1 files changed, 23 insertions, 0 deletions
diff --git a/test/regress/regress0/rels/atom_univ2.cvc b/test/regress/regress0/rels/atom_univ2.cvc
new file mode 100644
index 000000000..9901ce630
--- /dev/null
+++ b/test/regress/regress0/rels/atom_univ2.cvc
@@ -0,0 +1,23 @@
+% EXPECT: unsat
+OPTION "logic" "ALL_SUPPORTED";
+Atom: TYPE;
+
+a : SET OF [Atom];
+b : SET OF [Atom, Atom];
+
+x : Atom;
+y : Atom;
+
+ASSERT NOT(x = y);
+
+ASSERT TUPLE(y) IS_IN a;
+ASSERT (x, y) IS_IN b;
+
+ASSERT UNIVERSE::SET OF [Atom, Atom] = (UNIVERSE::SET OF [Atom] PRODUCT UNIVERSE::SET OF [Atom]);
+
+u : SET OF [Atom, Atom];
+ASSERT u = UNIVERSE::SET OF [Atom, Atom];
+
+ASSERT NOT (x, y) IS_IN u;
+
+CHECKSAT;