#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 /*<<< orphan*/ r1(int /*<<< orphan*/);
int /*<<< orphan*/ r2(int /*<<< orphan*/);
int /*<<< orphan*/ r3(int /*<<< orphan*/);
int /*<<< orphan*/ r4(int /*<<< orphan*/);
int /*<<< orphan*/ r5(int /*<<< orphan*/);
int /*<<< orphan*/ r6(int /*<<< orphan*/);
int /*<<< orphan*/ r7(int /*<<< orphan*/);
int /*<<< orphan*/ r8(int /*<<< orphan*/);
int /*<<< orphan*/ r9(int /*<<< orphan*/);
int /*<<< orphan*/ w1(int /*<<< orphan*/);
int /*<<< orphan*/ w2(int /*<<< orphan*/);
int /*<<< orphan*/ w3(int /*<<< orphan*/);
int main() {
__CPROVER_ASYNC_0:
  w1(0);
__CPROVER_ASYNC_1:
  w2(0);
__CPROVER_ASYNC_2:
  w3(0);
__CPROVER_ASYNC_3:
  r1(0);
__CPROVER_ASYNC_4:
  r2(0);
__CPROVER_ASYNC_5:
  r3(0);
__CPROVER_ASYNC_6:
  r4(0);
__CPROVER_ASYNC_7:
  r5(0);
__CPROVER_ASYNC_8:
  r6(0);
__CPROVER_ASYNC_9:
  r7(0);
__CPROVER_ASYNC_10:
  r8(0);
__CPROVER_ASYNC_11:
  r9(0);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
xor    %edi,%edi
call   1070 <w1@plt>
xor    %edi,%edi
call   10d0 <w2@plt>
xor    %edi,%edi
call   1080 <w3@plt>
xor    %edi,%edi
call   10e0 <r1@plt>
xor    %edi,%edi
call   1090 <r2@plt>
xor    %edi,%edi
call   1030 <r3@plt>
xor    %edi,%edi
call   10b0 <r4@plt>
xor    %edi,%edi
call   1050 <r5@plt>
xor    %edi,%edi
call   10a0 <r6@plt>
xor    %edi,%edi
call   1040 <r7@plt>
xor    %edi,%edi
call   10c0 <r8@plt>
xor    %edi,%edi
call   1060 <r9@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
xor    %edi,%edi
call   1070 <w1@plt>
xor    %edi,%edi
call   10d0 <w2@plt>
xor    %edi,%edi
call   1080 <w3@plt>
xor    %edi,%edi
call   10e0 <r1@plt>
xor    %edi,%edi
call   1090 <r2@plt>
xor    %edi,%edi
call   1030 <r3@plt>
xor    %edi,%edi
call   10b0 <r4@plt>
xor    %edi,%edi
call   1050 <r5@plt>
xor    %edi,%edi
call   10a0 <r6@plt>
xor    %edi,%edi
call   1040 <r7@plt>
xor    %edi,%edi
call   10c0 <r8@plt>
xor    %edi,%edi
call   1060 <r9@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
define i32 @main() {
%1 = alloca i32
store i32 0, i32* %1
br label %2
2: ; preds = %0
%3 = call i32 @w1(i32 0)
br label %4
4: ; preds = %2
%5 = call i32 @w2(i32 0)
br label %6
6: ; preds = %4
%7 = call i32 @w3(i32 0)
br label %8
8: ; preds = %6
%9 = call i32 @r1(i32 0)
br label %10
10: ; preds = %8
%11 = call i32 @r2(i32 0)
br label %12
12: ; preds = %10
%13 = call i32 @r3(i32 0)
br label %14
14: ; preds = %12
%15 = call i32 @r4(i32 0)
br label %16
16: ; preds = %14
%17 = call i32 @r5(i32 0)
br label %18
18: ; preds = %16
%19 = call i32 @r6(i32 0)
br label %20
20: ; preds = %18
%21 = call i32 @r7(i32 0)
br label %22
22: ; preds = %20
%23 = call i32 @r8(i32 0)
br label %24
24: ; preds = %22
%25 = call i32 @r9(i32 0)
ret i32 0
}

LLVM IR (-O2):
define i32 @main() {
%1 = tail call i32 @w1(i32 0)
%2 = tail call i32 @w2(i32 0)
%3 = tail call i32 @w3(i32 0)
%4 = tail call i32 @r1(i32 0)
%5 = tail call i32 @r2(i32 0)
%6 = tail call i32 @r3(i32 0)
%7 = tail call i32 @r4(i32 0)
%8 = tail call i32 @r5(i32 0)
%9 = tail call i32 @r6(i32 0)
%10 = tail call i32 @r7(i32 0)
%11 = tail call i32 @r8(i32 0)
%12 = tail call i32 @r9(i32 0)
ret i32 0
}