% EXPECT: unsat
OPTION "logic" "ALL_SUPPORTED";
IntPair: TYPE = [INT, INT];
x : SET OF IntPair;
y : SET OF IntPair;
z : SET OF IntPair;
ASSERT (z = TRANSPOSE(y) OR z = TRANSPOSE(x));
ASSERT NOT (TRANSPOSE(z) = y);
ASSERT NOT (TRANSPOSE(z) = x);
CHECKSAT;