int nondet() { int a; return a; }
_Bool nondet_bool() { _Bool a; return a; }
int foo (int A) {
 goto loc_start;

 loc_a:
 {
   if (nondet_bool()) {
    int A_ = nondet();
    if (2 * A_ >= 2 && A == 2 * A_) {
     A = A_;
     goto loc_a;
    }
   }
   if (nondet_bool()) {
    int A_ = nondet();
    if (2 * A_ >= 1 && A == 1 + 2 * A_) {
     A = A_;
     goto loc_a;
    }
   }
  goto end;
 }
 loc_start:
 {
   if (nondet_bool()) {
    if (A >= 1) {
     goto loc_a;
    }
   }
   if (nondet_bool()) {
    if (A >= 2) {
     goto loc_a;
    }
   }
   if (nondet_bool()) {
    if (A >= 4) {
     goto loc_a;
    }
   }
  goto end;
 }
 end: return 0;
}