on-restart-benchmarks/software/mza/tests/unit/evaluation/minizinc/regression/test_bug45.mzn

% RUNS ON mzn20_fd
% RUNS ON mzn-fzn_fd
var 1..1: i;
predicate losseq(array[int] of var int: a) = sum([1 | e in a where e >= 1]) = 1;
constraint losseq([0,0,0,1]);
solve satisfy;