% EXPECT: invalid
OPTION "finite-model-find";
OPTION "fmf-fun";

DATATYPE
  Node = A | B
END;

link, reach: (Node,Node,INT) -> BOOLEAN;

ASSERT FORALL(x,y:Node, c:INT):
  link(x,y,c) => reach(x,y,c);

ASSERT link(A,B,1);

QUERY reach(A,B,5);