1for (int c0 = 1; c0 <= N; c0 += 1)
2 S1(c0);
3for (int c0 = N + 1; c0 <= 2 * N; c0 += 1)
4 S2(c0);
5

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