#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*/ __VERIFIER_assert(int);
int __VERIFIER_nondet_int();
main() {
  int x = __VERIFIER_nondet_int();
  int y = __VERIFIER_nondet_int();
  if (y > 0) {
    while (x < 100) {
      x = x + y;
    }
  }
  __VERIFIER_assert(y <= 0 || (y < 0 && x >= 100));
}


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,-0xc(%rbp)
jle    116f <main+0x4f>
jmp    1152 <main+0x32>
cmpl   $0x64,-0x8(%rbp)
jge    116a <main+0x4a>
mov    -0x8(%rbp),%eax
add    -0xc(%rbp),%eax
mov    %eax,-0x8(%rbp)
jmp    1152 <main+0x32>
jmp    116f <main+0x4f>
mov    $0x1,%al
cmpl   $0x0,-0xc(%rbp)
mov    %al,-0xd(%rbp)
jle    119d <main+0x7d>
xor    %eax,%eax
cmpl   $0x0,-0xc(%rbp)
mov    %al,-0xe(%rbp)
jge    1197 <main+0x77>
cmpl   $0x64,-0x8(%rbp)
setge  %al
mov    %al,-0xe(%rbp)
mov    -0xe(%rbp),%al
mov    %al,-0xd(%rbp)
mov    -0xd(%rbp),%al
and    $0x1,%al
movzbl %al,%edi
call   1040 <__VERIFIER_assert@plt>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
xor    %eax,%eax
call   1030 <__VERIFIER_nondet_int@plt>
mov    %eax,%ebx
xor    %eax,%eax
call   1030 <__VERIFIER_nondet_int@plt>
test   %eax,%eax
jle    1147 <main+0x27>
cmp    $0x63,%ebx
jg     1147 <main+0x27>
nopw   0x0(%rax,%rax,1)
add    %eax,%ebx
cmp    $0x64,%ebx
jl     1140 <main+0x20>
xor    %edi,%edi
test   %eax,%eax
setle  %dil
call   1040 <__VERIFIER_assert@plt>
xor    %eax,%eax
pop    %rbx
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* %3
%7 = icmp sgt i32 %6, 0
br i1 %7, label %8, label %17
8: ; preds = %0
br label %9
9: ; preds = %12, %8
%10 = load i32, i32* %2
%11 = icmp slt i32 %10, 100
br i1 %11, label %12, label %16
12: ; preds = %9
%13 = load i32, i32* %2
%14 = load i32, i32* %3
%15 = add nsw i32 %13, %14
store i32 %15, i32* %2
br label %9
16: ; preds = %9
br label %17
17: ; preds = %16, %0
%18 = load i32, i32* %3
%19 = icmp sle i32 %18, 0
br i1 %19, label %28, label %20
20: ; preds = %17
%21 = load i32, i32* %3
%22 = icmp slt i32 %21, 0
br i1 %22, label %23, label %26
23: ; preds = %20
%24 = load i32, i32* %2
%25 = icmp sge i32 %24, 100
br label %26
26: ; preds = %23, %20
%27 = phi i1 [ false, %20 ], [ %25, %23 ]
br label %28
28: ; preds = %26, %17
%29 = phi i1 [ true, %17 ], [ %27, %26 ]
%30 = zext i1 %29 to i32
%31 = call i32 @__VERIFIER_assert(i32 %30)
%32 = load i32, i32* %1
ret i32 %32
}

LLVM IR (-O2):
define i32 @main() {
%1 = tail call i32 (...) @__VERIFIER_nondet_int()
%2 = tail call i32 (...) @__VERIFIER_nondet_int()
%3 = icmp sgt i32 %2, 0
%4 = icmp slt i32 %1, 100
%5 = select i1 %3, i1 %4, i1 false
br i1 %5, label %6, label %10
6: ; preds = %0, %6
%7 = phi i32 [ %8, %6 ], [ %1, %0 ]
%8 = add nsw i32 %7, %2
%9 = icmp slt i32 %8, 100
br i1 %9, label %6, label %10
10: ; preds = %6, %0
%11 = icmp slt i32 %2, 1
%12 = zext i1 %11 to i32
%13 = tail call i32 @__VERIFIER_assert(i32 %12)
ret i32 0
}