1for (int c0 = 2; c0 <= 9; c0 += 1)
2 for (int c1 = c0 + 1; c1 <= 2 * c0; c1 += 1)
3 s0(c0, c1);
4

source code of polly/lib/External/isl/test_inputs/codegen/omega/iter4-0.c