/* Generated from ././non_optimal/nul_complex1.cloog by CLooG 0.15 64 bits in 0.01s. */
for (c1=0;c1<=5*n;c1++) {
  for (c2=max(ceild(2*c1,3),c1-n);c2<=min(floord(2*c1+2*n,3),c1);c2++) {
    if (c2%2 == 0) {
      i = (-2*c1+3*c2)/2 ;
      j = c1-c2 ;
      S1 ;
    }
  }
}