#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;
  int y;
  int tmp;
  int xtmp;
  x = __VERIFIER_nondet_int();
  y = __VERIFIER_nondet_int();
  while (y > 0 && x > 0) {
    tmp = y;
    xtmp = x;
    while (xtmp >= y && y > 0) {
      xtmp = xtmp - y;
    }
    y = xtmp;
    x = tmp;
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%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)
xor    %eax,%eax
cmpl   $0x0,-0xc(%rbp)
mov    %al,-0x15(%rbp)
jle    114c <main+0x3c>
cmpl   $0x0,-0x8(%rbp)
setg   %al
mov    %al,-0x15(%rbp)
mov    -0x15(%rbp),%al
test   $0x1,%al
jne    115c <main+0x4c>
jmp    11b2 <main+0xa2>
mov    -0xc(%rbp),%eax
mov    %eax,-0x10(%rbp)
mov    -0x8(%rbp),%eax
mov    %eax,-0x14(%rbp)
mov    -0x14(%rbp),%ecx
xor    %eax,%eax
cmp    -0xc(%rbp),%ecx
mov    %al,-0x16(%rbp)
jl     1183 <main+0x73>
cmpl   $0x0,-0xc(%rbp)
setg   %al
mov    %al,-0x16(%rbp)
mov    -0x16(%rbp),%al
test   $0x1,%al
jne    1193 <main+0x83>
jmp    11a1 <main+0x91>
mov    -0x14(%rbp),%eax
sub    -0xc(%rbp),%eax
mov    %eax,-0x14(%rbp)
jmp    1168 <main+0x58>
mov    -0x14(%rbp),%eax
mov    %eax,-0xc(%rbp)
mov    -0x10(%rbp),%eax
mov    %eax,-0x8(%rbp)
jmp    1133 <main+0x23>
xor    %eax,%eax
add    $0x20,%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
%4 = alloca i32
%5 = alloca i32
store i32 0, i32* %1
%6 = call i32 (...) @__VERIFIER_nondet_int()
store i32 %6, i32* %2
%7 = call i32 (...) @__VERIFIER_nondet_int()
store i32 %7, i32* %3
br label %8
8: ; preds = %32, %0
%9 = load i32, i32* %3
%10 = icmp sgt i32 %9, 0
br i1 %10, label %11, label %14
11: ; preds = %8
%12 = load i32, i32* %2
%13 = icmp sgt i32 %12, 0
br label %14
14: ; preds = %11, %8
%15 = phi i1 [ false, %8 ], [ %13, %11 ]
br i1 %15, label %16, label %35
16: ; preds = %14
%17 = load i32, i32* %3
store i32 %17, i32* %4
%18 = load i32, i32* %2
store i32 %18, i32* %5
br label %19
19: ; preds = %28, %16
%20 = load i32, i32* %5
%21 = load i32, i32* %3
%22 = icmp sge i32 %20, %21
br i1 %22, label %23, label %26
23: ; preds = %19
%24 = load i32, i32* %3
%25 = icmp sgt i32 %24, 0
br label %26
26: ; preds = %23, %19
%27 = phi i1 [ false, %19 ], [ %25, %23 ]
br i1 %27, label %28, label %32
28: ; preds = %26
%29 = load i32, i32* %5
%30 = load i32, i32* %3
%31 = sub nsw i32 %29, %30
store i32 %31, i32* %5
br label %19
32: ; preds = %26
%33 = load i32, i32* %5
store i32 %33, i32* %3
%34 = load i32, i32* %4
store i32 %34, i32* %2
br label %8
35: ; preds = %14
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
}