#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
int __VERIFIER_nondet_int();
int main() {
  int x, y;
  x = __VERIFIER_nondet_int();
  y = __VERIFIER_nondet_int();
  if (x >= 0 && y >= 0) {
    while (x - y > 2 || y - x > 2) {
      if (x < y) {
        x = x + 1;
      } else {
        y = y + 1;
      }
    }
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    $0x0,%al
call   1030 <__VERIFIER_nondet_int@plt>
mov    %eax,-0x8(%rbp)
mov    $0x0,%al
call   1030 <__VERIFIER_nondet_int@plt>
mov    %eax,-0xc(%rbp)
cmpl   $0x0,-0x8(%rbp)
jl     11ac <main+0x9c>
cmpl   $0x0,-0xc(%rbp)
jl     11ac <main+0x9c>
jmp    114c <main+0x3c>
mov    -0x8(%rbp),%ecx
sub    -0xc(%rbp),%ecx
mov    $0x1,%al
cmp    $0x2,%ecx
mov    %al,-0xd(%rbp)
jg     116f <main+0x5f>
mov    -0xc(%rbp),%eax
sub    -0x8(%rbp),%eax
cmp    $0x2,%eax
setg   %al
mov    %al,-0xd(%rbp)
mov    -0xd(%rbp),%al
test   $0x1,%al
jne    117f <main+0x6f>
jmp    11a7 <main+0x97>
mov    -0x8(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    1199 <main+0x89>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    11a2 <main+0x92>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    114c <main+0x3c>
jmp    11ac <main+0x9c>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
xor    %eax,%eax
call   1030 <__VERIFIER_nondet_int@plt>
xor    %eax,%eax
call   1030 <__VERIFIER_nondet_int@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
%4 = call i32 (...) @__VERIFIER_nondet_int()
store i32 %4, i32* %2
%5 = call i32 (...) @__VERIFIER_nondet_int()
store i32 %5, i32* %3
%6 = load i32, i32* %2
%7 = icmp sge i32 %6, 0
br i1 %7, label %8, label %36
8: ; preds = %0
%9 = load i32, i32* %3
%10 = icmp sge i32 %9, 0
br i1 %10, label %11, label %36
11: ; preds = %8
br label %12
12: ; preds = %34, %11
%13 = load i32, i32* %2
%14 = load i32, i32* %3
%15 = sub nsw i32 %13, %14
%16 = icmp sgt i32 %15, 2
br i1 %16, label %22, label %17
17: ; preds = %12
%18 = load i32, i32* %3
%19 = load i32, i32* %2
%20 = sub nsw i32 %18, %19
%21 = icmp sgt i32 %20, 2
br label %22
22: ; preds = %17, %12
%23 = phi i1 [ true, %12 ], [ %21, %17 ]
br i1 %23, label %24, label %35
24: ; preds = %22
%25 = load i32, i32* %2
%26 = load i32, i32* %3
%27 = icmp slt i32 %25, %26
br i1 %27, label %28, label %31
28: ; preds = %24
%29 = load i32, i32* %2
%30 = add nsw i32 %29, 1
store i32 %30, i32* %2
br label %34
31: ; preds = %24
%32 = load i32, i32* %3
%33 = add nsw i32 %32, 1
store i32 %33, i32* %3
br label %34
34: ; preds = %31, %28
br label %12
35: ; preds = %22
br label %36
36: ; preds = %35, %8, %0
ret i32 0
}

LLVM IR (-O2):
define i32 @main() {
%1 = tail call i32 (...) @__VERIFIER_nondet_int()
%2 = tail call i32 (...) @__VERIFIER_nondet_int()
ret i32 0
}