mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-29 11:55:51 +00:00
Code Activity

fix axiomatization for sdiv

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2024-01-13 13:10:00 -08:00
parent 0ca94b9c2f
commit 477db7d8bd
4 changed files with 39 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

13
src/sat/smt/polysat_solver.cpp
View file

@ -424,13 +424,22 @@ namespace polysat {
if (q.is_zero() && p.has_unit(x)) {
auto l = pdd2expr(x);
auto r = pdd2expr(x - p);
result = m.mk_eq(l, r);
if (m.are_equal(l, r))
result = m.mk_true();
else if (m.are_distinct(l, r))
result = m.mk_false();
else
result = m.mk_eq(l, r);
}
else {
auto l = pdd2expr(p);
auto r = pdd2expr(q);
if (p == q)
if (m.are_equal(l, r))
result = m.mk_true();
else if (m.is_value(l) && m.is_value(r)) {
result = bv.mk_ule(l, r);
ctx.get_rewriter()(result);
}
else if (q.is_zero())
result = m.mk_eq(l, r);
else