1 files changed, 32 insertions, 0 deletions
diff --git a/test/regress/regress0/rels/rel_join_4.cvc b/test/regress/regress0/rels/rel_join_4.cvc
new file mode 100644
index 000000000..030810f3d
--- /dev/null
+++ b/test/regress/regress0/rels/rel_join_4.cvc
@@ -0,0 +1,32 @@
+% EXPECT: unsat
+OPTION "logic" "ALL_SUPPORTED";
+IntPair: TYPE = [INT, INT];
+x : SET OF IntPair;
+y : SET OF IntPair;
+r : SET OF IntPair;
+
+z : IntPair;
+ASSERT z = (1,2);
+zt : IntPair;
+ASSERT zt = (2,1);
+v : IntPair;
+ASSERT v = (1,1);
+a : IntPair;
+ASSERT a = (1,5);
+
+b : IntPair;
+ASSERT b = (7, 5);
+
+ASSERT (1, 7) IS_IN x;
+ASSERT (2, 3) IS_IN x;
+ASSERT (3, 4) IS_IN x;
+
+ASSERT b IS_IN y;
+ASSERT (7, 3) IS_IN y;
+ASSERT (4, 7) IS_IN y;
+ASSERT r = (x JOIN y);
+ASSERT z IS_IN x;
+ASSERT zt IS_IN y;
+ASSERT NOT (a IS_IN r);
+
+CHECKSAT;