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1% RUNS ON mzn20_fd
2% RUNS ON mzn-fzn_fd
3% RUNS ON mzn20_fd_linear
4% RUNS ON mzn20_mip
5% RUNS ON mzn_mer_lp
6% bug #1: the overloading was being handled wrongly, giving the wrong output
7% "b = true".
8predicate foo(set of int: x) = true;
9predicate foo(int: x) = false;
10var bool: b1 = foo(3);
11var bool: b2 = foo({42});
12solve satisfy;
13output ["b1 = ", show(b1), "; b2 = ", show(b2), "\n"];