1if (M >= 11) {
2 for (int c0 = -100; c0 <= 0; c0 += 1)
3 S1(-c0);
4} else {
5 for (int c0 = 0; c0 <= 100; c0 += 1)
6 S1(c0);
7}
8

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