int nondet() { int a; return a; }
_Bool nondet_bool() { _Bool a; return a; }
int foo (int A, int B, int C) {
 goto loc_f3;

 loc_f2:
 {
   if (nondet_bool()) {
    int A_ = -1 + A;
    if (A >= 31) {
     A = A_;
     goto loc_f2;
    }
   }
   if (nondet_bool()) {
    int B_ = -1 + B;
    if (30 >= A) {
     B = B_;
     goto loc_f300;
    }
   }
  goto end;
 }
 loc_f3:
 {
   if (nondet_bool()) {
    if (1 >= 0) {
     goto loc_f300;
    }
   }
  goto end;
 }
 loc_f300:
 {
   if (nondet_bool()) {
    if (B >= 21) {
     goto loc_f2;
    }
   }
   if (nondet_bool()) {
    int C_ = nondet();
    if (20 >= B) {
     C = C_;
     goto loc_f1;
    }
   }
  goto end;
 }
 loc_f1:
 end: return 0;
}