test/regress/regress0/rels/rel_1tup_0.cvc


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% EXPECT: unsat
OPTION "logic" "ALL_SUPPORTED";
IntTup: TYPE = [INT];
IntPair: TYPE = [INT, INT];
x : SET OF IntPair;
y : SET OF IntTup;
z: SET OF IntTup;

b : IntPair;
ASSERT b = (2, 1);
ASSERT b IS_IN x;

a : IntTup;
ASSERT a = TUPLE(1);
ASSERT a IS_IN y;

c : IntTup;
ASSERT c = TUPLE(2);

ASSERT z = (x JOIN y);

ASSERT NOT (c IS_IN z);

CHECKSAT;