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#5641 add handlers for basic set operations to euf=true

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This commit is contained in:
Nikolaj Bjorner 2022-01-01 20:33:17 -08:00
parent 9d3c8a6a2f
commit 8245935d41
5 changed files with 69 additions and 21 deletions
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28
src/sat/smt/array_internalize.cpp
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@ -117,15 +117,24 @@ namespace array {
add_parent_default(find(n->get_arg(0)), n);
break;
case OP_ARRAY_MAP:
for (auto* arg : euf::enode_args(n))
add_parent_lambda(find(arg), n);
internalize_lambda_eh(n);
break;
case OP_SET_UNION:
case OP_SET_INTERSECT:
case OP_SET_DIFFERENCE:
case OP_SET_COMPLEMENT:
case OP_SET_SUBSET:
for (auto* arg : euf::enode_args(n))
add_parent_lambda(find(arg), n);
internalize_lambda_eh(n);
break;
case OP_SET_SUBSET: {
expr* x, *y;
VERIFY(a.is_subset(n->get_expr(), x, y));
expr_ref diff(a.mk_setminus(x, y), m);
expr_ref emp(a.mk_empty_set(x->get_sort()), m);
sat::literal eq = eq_internalize(diff, emp);
sat::literal sub = expr2literal(n->get_expr());
add_equiv(eq, sub);
break;
}
case OP_SET_HAS_SIZE:
case OP_SET_CARD:
ctx.unhandled_function(n->get_decl());
@ -163,15 +172,16 @@ namespace array {
set_prop_upward(find(n->get_arg(0)));
break;
case OP_ARRAY_MAP:
for (auto* arg : euf::enode_args(n))
set_prop_upward_store(arg);
set_prop_upward(find(n));
break;
case OP_SET_UNION:
case OP_SET_INTERSECT:
case OP_SET_DIFFERENCE:
case OP_SET_COMPLEMENT:
for (auto* arg : euf::enode_args(n))
set_prop_upward_store(arg);
set_prop_upward(find(n));
break;
case OP_SET_SUBSET:
break;
case OP_SET_HAS_SIZE:
case OP_SET_CARD:
ctx.unhandled_function(n->get_decl());