1S1(0);
2S1(1);
3S1(2);
4S1(3);
5S1(4);
6S1(5);
7S1(6);
8S1(7);
9S1(8);
10S1(9);
11S1(10);
12

source code of polly/lib/External/isl/test_inputs/codegen/cloog/unroll.c