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fix #2251 thanks to Clark

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-04-27 09:44:18 -07:00
parent 7e2afca2c6
commit fa88bdb075
10 changed files with 138 additions and 30 deletions
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13
src/smt/theory_array_bapa.cpp
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@ -102,7 +102,7 @@ namespace smt {
theory_array_full& th;
arith_util m_arith;
array_util m_autil;
array_rewriter m_rw;
th_rewriter m_rw;
arith_value m_arith_value;
ast_ref_vector m_pinned;
obj_map<app, sz_info*> m_sizeof;
@ -211,6 +211,9 @@ namespace smt {
SASSERT(i2.m_is_leaf);
expr* s = sz1->get_arg(0);
expr* t = sz2->get_arg(0);
if (m.get_sort(s) != m.get_sort(t)) {
return true;
}
enode* r1 = get_root(s);
enode* r2 = get_root(t);
if (r1 == r2) {
@ -265,11 +268,15 @@ namespace smt {
}
expr_ref mk_subtract(expr* t, expr* s) {
return m_rw.mk_set_difference(t, s);
expr_ref d(m_autil.mk_setminus(t, s), m);
m_rw(d);
return d;
}
expr_ref mk_intersect(expr* t, expr* s) {
return m_rw.mk_set_intersect(t, s);
expr_ref i(m_autil.mk_intersection(t, s), m);
m_rw(i);
return i;
}
void propagate(expr* assumption, expr* conseq) {