1for (int c0 = 0; c0 <= 5; c0 += 1) {
2 S1(c0, c0);
3 for (int c1 = c0; c1 <= 5; c1 += 1)
4 S2(c0, c1);
5 S3(c0, 5);
6}
7

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