#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*/ __ESBMC_assume(int);
int /*<<< orphan*/ assert(int);
float fixedDelta(int);
float floatToFix(float, float, int, int, int);
float iirOutFixed(float *, float *, float *, float *, int, int, int, int, float,
                  int);
float nondet_int();
int /*<<< orphan*/ shiftL(float, float *, int);
int main(void) {
  int i;
  int xsize = 6;
  int Na = 2;
  int Nb = 1;
  int k = 2;
  int l = 4;
  float max = 1.0;
  float min = -1.0;
  float delta = fixedDelta(l);
  assert(delta > 0.0);
  float a[Na];
  float b[Nb];
  a[0] = 1.0000;
  a[1] = -0.5;
  b[0] = 1.0000;
  for (i = 0; i < Na; ++i) {
    a[i] = floatToFix(a[i], delta, k, l, 1);
  }
  for (i = 0; i < Nb; ++i) {
    b[i] = floatToFix(b[i], delta, k, l, 1);
  }
  float y[xsize];
  float x[xsize];
  for (i = 0; i < xsize; ++i) {
    y[i] = 0;
    x[i] = nondet_int() * delta;
    __ESBMC_assume(x[i] >= min && x[i] <= max);
  }
  float yaux[Na];
  float xaux[Nb];
  for (i = 0; i < Na; ++i) {
    yaux[i] = 0;
  }
  for (i = 0; i < Nb; ++i) {
    xaux[i] = 0;
  }
  for (i = 0; i < xsize; ++i) {
    shiftL(x[i], xaux, Nb);
    y[i] = iirOutFixed(yaux, xaux, a, b, Na, Nb, k, l, delta, 1);
    shiftL(y[i], yaux, Na);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0xa0,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x6,-0xc(%rbp)
movl   $0x2,-0x10(%rbp)
movl   $0x1,-0x14(%rbp)
movl   $0x2,-0x18(%rbp)
movl   $0x4,-0x1c(%rbp)
movl   $0x3f800000,-0x20(%rbp)
movl   $0xbf800000,-0x24(%rbp)
mov    -0x1c(%rbp),%edi
call   1090 <fixedDelta@plt>
movss  %xmm0,-0x28(%rbp)
movss  -0x28(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
xorps  %xmm1,%xmm1
ucomisd %xmm1,%xmm0
seta   %al
movzbl %al,%edi
call   1060 <assert@plt>
mov    -0x10(%rbp),%eax
mov    %rsp,%rcx
mov    %rcx,-0x30(%rbp)
lea    0xf(,%rax,4),%rdx
and    $0xfffffffffffffff0,%rdx
mov    %rsp,%rcx
sub    %rdx,%rcx
mov    %rcx,-0x70(%rbp)
mov    %rcx,%rsp
mov    %rax,-0x38(%rbp)
mov    -0x14(%rbp),%eax
mov    %eax,%edx
lea    0xf(,%rdx,4),%rsi
and    $0xfffffffffffffff0,%rsi
mov    %rsp,%rax
sub    %rsi,%rax
mov    %rax,-0x68(%rbp)
mov    %rax,%rsp
mov    %rdx,-0x40(%rbp)
movss  0xdd4(%rip),%xmm0
movss  %xmm0,(%rcx)
movss  0xdcc(%rip),%xmm0
movss  %xmm0,0x4(%rcx)
movss  0xdbb(%rip),%xmm0
movss  %xmm0,(%rax)
movl   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%eax
cmp    -0x10(%rbp),%eax
jge    1299 <main+0x129>
mov    -0x70(%rbp),%rax
movslq -0x8(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
movss  -0x28(%rbp),%xmm1
mov    -0x18(%rbp),%edi
mov    -0x1c(%rbp),%esi
mov    $0x1,%edx
call   1070 <floatToFix@plt>
mov    -0x70(%rbp),%rax
movslq -0x8(%rbp),%rcx
movss  %xmm0,(%rax,%rcx,4)
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1250 <main+0xe0>
movl   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%eax
cmp    -0x14(%rbp),%eax
jge    12e9 <main+0x179>
mov    -0x68(%rbp),%rax
movslq -0x8(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
movss  -0x28(%rbp),%xmm1
mov    -0x18(%rbp),%edi
mov    -0x1c(%rbp),%esi
mov    $0x1,%edx
call   1070 <floatToFix@plt>
mov    -0x68(%rbp),%rax
movslq -0x8(%rbp),%rcx
movss  %xmm0,(%rax,%rcx,4)
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    12a0 <main+0x130>
mov    -0xc(%rbp),%eax
lea    0xf(,%rax,4),%rdx
and    $0xfffffffffffffff0,%rdx
mov    %rsp,%rcx
sub    %rdx,%rcx
mov    %rcx,-0x80(%rbp)
mov    %rcx,%rsp
mov    %rax,-0x48(%rbp)
mov    -0xc(%rbp),%eax
lea    0xf(,%rax,4),%rdx
and    $0xfffffffffffffff0,%rdx
mov    %rsp,%rcx
sub    %rdx,%rcx
mov    %rcx,-0x78(%rbp)
mov    %rcx,%rsp
mov    %rax,-0x50(%rbp)
movl   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    13bc <main+0x24c>
mov    -0x80(%rbp),%rax
movslq -0x8(%rbp),%rcx
xorps  %xmm0,%xmm0
movss  %xmm0,(%rax,%rcx,4)
mov    $0x0,%al
call   1030 <nondet_int@plt>
mov    -0x78(%rbp),%rax
mulss  -0x28(%rbp),%xmm0
movslq -0x8(%rbp),%rcx
movss  %xmm0,(%rax,%rcx,4)
movslq -0x8(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
xor    %eax,%eax
ucomiss -0x24(%rbp),%xmm0
mov    %al,-0x81(%rbp)
jb     139e <main+0x22e>
mov    -0x78(%rbp),%rax
movslq -0x8(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm1
movss  -0x20(%rbp),%xmm0
ucomiss %xmm1,%xmm0
setae  %al
mov    %al,-0x81(%rbp)
mov    -0x81(%rbp),%al
and    $0x1,%al
movzbl %al,%edi
call   1040 <__ESBMC_assume@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1330 <main+0x1c0>
mov    -0x10(%rbp),%eax
lea    0xf(,%rax,4),%rdx
and    $0xfffffffffffffff0,%rdx
mov    %rsp,%rcx
sub    %rdx,%rcx
mov    %rcx,-0x98(%rbp)
mov    %rcx,%rsp
mov    %rax,-0x58(%rbp)
mov    -0x14(%rbp),%eax
lea    0xf(,%rax,4),%rdx
and    $0xfffffffffffffff0,%rdx
mov    %rsp,%rcx
sub    %rdx,%rcx
mov    %rcx,-0x90(%rbp)
mov    %rcx,%rsp
mov    %rax,-0x60(%rbp)
movl   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%eax
cmp    -0x10(%rbp),%eax
jge    1436 <main+0x2c6>
mov    -0x98(%rbp),%rax
movslq -0x8(%rbp),%rcx
xorps  %xmm0,%xmm0
movss  %xmm0,(%rax,%rcx,4)
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1409 <main+0x299>
movl   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%eax
cmp    -0x14(%rbp),%eax
jge    146a <main+0x2fa>
mov    -0x90(%rbp),%rax
movslq -0x8(%rbp),%rcx
xorps  %xmm0,%xmm0
movss  %xmm0,(%rax,%rcx,4)
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    143d <main+0x2cd>
movl   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    1513 <main+0x3a3>
mov    -0x90(%rbp),%rdi
mov    -0x78(%rbp),%rax
movslq -0x8(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
mov    -0x14(%rbp),%esi
call   1050 <shiftL@plt>
mov    -0x90(%rbp),%rsi
mov    -0x70(%rbp),%rdx
mov    -0x68(%rbp),%rcx
mov    -0x98(%rbp),%rdi
mov    -0x10(%rbp),%r8d
mov    -0x14(%rbp),%r9d
mov    -0x18(%rbp),%r10d
mov    -0x1c(%rbp),%eax
movss  -0x28(%rbp),%xmm0
sub    $0x20,%rsp
mov    %r10d,(%rsp)
mov    %eax,0x8(%rsp)
movl   $0x1,0x10(%rsp)
call   1080 <iirOutFixed@plt>
mov    -0x80(%rbp),%rax
mov    -0x98(%rbp),%rdi
add    $0x20,%rsp
movslq -0x8(%rbp),%rcx
movss  %xmm0,(%rax,%rcx,4)
movslq -0x8(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
mov    -0x10(%rbp),%esi
call   1050 <shiftL@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1471 <main+0x301>
movl   $0x0,-0x4(%rbp)
mov    -0x30(%rbp),%rax
mov    %rax,%rsp
mov    -0x4(%rbp),%eax
mov    %rbp,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %r12
push   %rbx
sub    $0x58,%rsp
mov    $0x4,%edi
call   1090 <fixedDelta@plt>
movss  %xmm0,0xc(%rsp)
xorps  %xmm1,%xmm1
xor    %edi,%edi
ucomiss %xmm1,%xmm0
seta   %dil
call   1060 <assert@plt>
movss  0xe5c(%rip),%xmm0
movss  0xc(%rsp),%xmm1
mov    $0x2,%edi
mov    $0x4,%esi
mov    $0x1,%edx
call   1070 <floatToFix@plt>
movss  %xmm0,0x40(%rsp)
movss  0xe38(%rip),%xmm0
movss  0xc(%rsp),%xmm1
mov    $0x2,%edi
mov    $0x4,%esi
mov    $0x1,%edx
call   1070 <floatToFix@plt>
movss  %xmm0,0x44(%rsp)
movss  0xe0c(%rip),%xmm0
movss  0xc(%rsp),%xmm1
mov    $0x2,%edi
mov    $0x4,%esi
mov    $0x1,%edx
call   1070 <floatToFix@plt>
movss  %xmm0,0x20(%rsp)
xor    %eax,%eax
call   1030 <nondet_int@plt>
movaps %xmm0,%xmm1
mulss  0xc(%rsp),%xmm1
movss  %xmm1,0x28(%rsp)
ucomiss 0xdd7(%rip),%xmm1
setae  %al
movss  0xdc4(%rip),%xmm0
ucomiss %xmm1,%xmm0
setae  %cl
and    %al,%cl
movzbl %cl,%edi
call   1040 <__ESBMC_assume@plt>
xor    %eax,%eax
call   1030 <nondet_int@plt>
movaps %xmm0,%xmm1
mulss  0xc(%rsp),%xmm1
movss  %xmm1,0x2c(%rsp)
ucomiss 0xd9f(%rip),%xmm1
setae  %al
movss  0xd8c(%rip),%xmm0
ucomiss %xmm1,%xmm0
setae  %cl
and    %al,%cl
movzbl %cl,%edi
call   1040 <__ESBMC_assume@plt>
xor    %eax,%eax
call   1030 <nondet_int@plt>
mulss  0xc(%rsp),%xmm0
movss  %xmm0,0x30(%rsp)
ucomiss 0xd6a(%rip),%xmm0
setae  %al
movss  0xd57(%rip),%xmm1
ucomiss %xmm0,%xmm1
setae  %cl
and    %al,%cl
movzbl %cl,%edi
call   1040 <__ESBMC_assume@plt>
xor    %eax,%eax
call   1030 <nondet_int@plt>
mulss  0xc(%rsp),%xmm0
movss  %xmm0,0x34(%rsp)
ucomiss 0xd35(%rip),%xmm0
setae  %al
movss  0xd22(%rip),%xmm1
ucomiss %xmm0,%xmm1
setae  %cl
and    %al,%cl
movzbl %cl,%edi
call   1040 <__ESBMC_assume@plt>
xor    %eax,%eax
call   1030 <nondet_int@plt>
mulss  0xc(%rsp),%xmm0
movss  %xmm0,0x38(%rsp)
ucomiss 0xd00(%rip),%xmm0
setae  %al
movss  0xced(%rip),%xmm1
ucomiss %xmm0,%xmm1
setae  %cl
and    %al,%cl
movzbl %cl,%edi
call   1040 <__ESBMC_assume@plt>
xor    %eax,%eax
call   1030 <nondet_int@plt>
mulss  0xc(%rsp),%xmm0
movss  %xmm0,0x3c(%rsp)
ucomiss 0xccb(%rip),%xmm0
setae  %al
movss  0xcb8(%rip),%xmm1
ucomiss %xmm0,%xmm1
setae  %cl
and    %al,%cl
movzbl %cl,%edi
call   1040 <__ESBMC_assume@plt>
movq   $0x0,0x50(%rsp)
movl   $0x0,0x10(%rsp)
lea    0x10(%rsp),%rbx
movss  0x28(%rsp),%xmm0
mov    %rbx,%rdi
mov    $0x1,%esi
call   1050 <shiftL@plt>
sub    $0x8,%rsp
lea    0x58(%rsp),%r14
lea    0x48(%rsp),%r15
lea    0x28(%rsp),%r12
mov    %r14,%rdi
mov    %rbx,%rsi
mov    %r15,%rdx
mov    %r12,%rcx
mov    $0x2,%r8d
mov    $0x1,%r9d
movss  0x14(%rsp),%xmm0
push   $0x1
push   $0x4
push   $0x2
call   1080 <iirOutFixed@plt>
add    $0x20,%rsp
mov    %r14,%rdi
mov    $0x2,%esi
call   1050 <shiftL@plt>
movss  0x2c(%rsp),%xmm0
mov    %rbx,%rdi
mov    $0x1,%esi
call   1050 <shiftL@plt>
sub    $0x8,%rsp
mov    %r14,%rdi
mov    %rbx,%rsi
mov    %r15,%rdx
mov    %r12,%rcx
mov    $0x2,%r8d
mov    $0x1,%r9d
movss  0x14(%rsp),%xmm0
push   $0x1
push   $0x4
push   $0x2
call   1080 <iirOutFixed@plt>
add    $0x20,%rsp
mov    %r14,%rdi
mov    $0x2,%esi
call   1050 <shiftL@plt>
movss  0x30(%rsp),%xmm0
mov    %rbx,%rdi
mov    $0x1,%esi
call   1050 <shiftL@plt>
sub    $0x8,%rsp
mov    %r14,%rdi
mov    %rbx,%rsi
mov    %r15,%rdx
mov    %r12,%rcx
mov    $0x2,%r8d
mov    $0x1,%r9d
movss  0x14(%rsp),%xmm0
push   $0x1
push   $0x4
push   $0x2
call   1080 <iirOutFixed@plt>
add    $0x20,%rsp
mov    %r14,%rdi
mov    $0x2,%esi
call   1050 <shiftL@plt>
movss  0x34(%rsp),%xmm0
mov    %rbx,%rdi
mov    $0x1,%esi
call   1050 <shiftL@plt>
sub    $0x8,%rsp
mov    %r14,%rdi
mov    %rbx,%rsi
mov    %r15,%rdx
mov    %r12,%rcx
mov    $0x2,%r8d
mov    $0x1,%r9d
movss  0x14(%rsp),%xmm0
push   $0x1
push   $0x4
push   $0x2
call   1080 <iirOutFixed@plt>
add    $0x20,%rsp
mov    %r14,%rdi
mov    $0x2,%esi
call   1050 <shiftL@plt>
movss  0x38(%rsp),%xmm0
mov    %rbx,%rdi
mov    $0x1,%esi
call   1050 <shiftL@plt>
sub    $0x8,%rsp
mov    %r14,%rdi
mov    %rbx,%rsi
mov    %r15,%rdx
mov    %r12,%rcx
mov    $0x2,%r8d
mov    $0x1,%r9d
movss  0x14(%rsp),%xmm0
push   $0x1
push   $0x4
push   $0x2
call   1080 <iirOutFixed@plt>
add    $0x20,%rsp
mov    %r14,%rdi
mov    $0x2,%esi
call   1050 <shiftL@plt>
movss  0x3c(%rsp),%xmm0
mov    %rbx,%rdi
mov    $0x1,%esi
call   1050 <shiftL@plt>
sub    $0x8,%rsp
mov    %r14,%rdi
mov    %rbx,%rsi
mov    %r15,%rdx
mov    %r12,%rcx
mov    $0x2,%r8d
mov    $0x1,%r9d
movss  0x14(%rsp),%xmm0
push   $0x1
push   $0x4
push   $0x2
call   1080 <iirOutFixed@plt>
add    $0x20,%rsp
mov    %r14,%rdi
mov    $0x2,%esi
call   1050 <shiftL@plt>
xor    %eax,%eax
add    $0x58,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = alloca i32
%6 = alloca i32
%7 = alloca i32
%8 = alloca float
%9 = alloca float
%10 = alloca float
%11 = alloca i8*
%12 = alloca i64
%13 = alloca i64
%14 = alloca i64
%15 = alloca i64
%16 = alloca i64
%17 = alloca i64
store i32 0, i32* %1
store i32 6, i32* %3
store i32 2, i32* %4
store i32 1, i32* %5
store i32 2, i32* %6
store i32 4, i32* %7
store float 1.000000e+00, float* %8
store float -1.000000e+00, float* %9
%18 = load i32, i32* %7
%19 = call float @fixedDelta(i32 %18)
store float %19, float* %10
%20 = load float, float* %10
%21 = fpext float %20 to double
%22 = fcmp ogt double %21, 0.000000e+00
%23 = zext i1 %22 to i32
%24 = call i32 @assert(i32 %23)
%25 = load i32, i32* %4
%26 = zext i32 %25 to i64
%27 = call i8* @llvm.stacksave()
store i8* %27, i8** %11
%28 = alloca float, i64 %26
store i64 %26, i64* %12
%29 = load i32, i32* %5
%30 = zext i32 %29 to i64
%31 = alloca float, i64 %30
store i64 %30, i64* %13
%32 = getelementptr inbounds float, float* %28, i64 0
store float 1.000000e+00, float* %32
%33 = getelementptr inbounds float, float* %28, i64 1
store float -5.000000e-01, float* %33
%34 = getelementptr inbounds float, float* %31, i64 0
store float 1.000000e+00, float* %34
store i32 0, i32* %2
br label %35
35: ; preds = %51, %0
%36 = load i32, i32* %2
%37 = load i32, i32* %4
%38 = icmp slt i32 %36, %37
br i1 %38, label %39, label %54
39: ; preds = %35
%40 = load i32, i32* %2
%41 = sext i32 %40 to i64
%42 = getelementptr inbounds float, float* %28, i64 %41
%43 = load float, float* %42
%44 = load float, float* %10
%45 = load i32, i32* %6
%46 = load i32, i32* %7
%47 = call float @floatToFix(float %43, float %44, i32 %45, i32 %46, i32 1)
%48 = load i32, i32* %2
%49 = sext i32 %48 to i64
%50 = getelementptr inbounds float, float* %28, i64 %49
store float %47, float* %50
br label %51
51: ; preds = %39
%52 = load i32, i32* %2
%53 = add nsw i32 %52, 1
store i32 %53, i32* %2
br label %35
54: ; preds = %35
store i32 0, i32* %2
br label %55
55: ; preds = %71, %54
%56 = load i32, i32* %2
%57 = load i32, i32* %5
%58 = icmp slt i32 %56, %57
br i1 %58, label %59, label %74
59: ; preds = %55
%60 = load i32, i32* %2
%61 = sext i32 %60 to i64
%62 = getelementptr inbounds float, float* %31, i64 %61
%63 = load float, float* %62
%64 = load float, float* %10
%65 = load i32, i32* %6
%66 = load i32, i32* %7
%67 = call float @floatToFix(float %63, float %64, i32 %65, i32 %66, i32 1)
%68 = load i32, i32* %2
%69 = sext i32 %68 to i64
%70 = getelementptr inbounds float, float* %31, i64 %69
store float %67, float* %70
br label %71
71: ; preds = %59
%72 = load i32, i32* %2
%73 = add nsw i32 %72, 1
store i32 %73, i32* %2
br label %55
74: ; preds = %55
%75 = load i32, i32* %3
%76 = zext i32 %75 to i64
%77 = alloca float, i64 %76
store i64 %76, i64* %14
%78 = load i32, i32* %3
%79 = zext i32 %78 to i64
%80 = alloca float, i64 %79
store i64 %79, i64* %15
store i32 0, i32* %2
br label %81
81: ; preds = %112, %74
%82 = load i32, i32* %2
%83 = load i32, i32* %3
%84 = icmp slt i32 %82, %83
br i1 %84, label %85, label %115
85: ; preds = %81
%86 = load i32, i32* %2
%87 = sext i32 %86 to i64
%88 = getelementptr inbounds float, float* %77, i64 %87
store float 0.000000e+00, float* %88
%89 = call float (...) @nondet_int()
%90 = load float, float* %10
%91 = fmul float %89, %90
%92 = load i32, i32* %2
%93 = sext i32 %92 to i64
%94 = getelementptr inbounds float, float* %80, i64 %93
store float %91, float* %94
%95 = load i32, i32* %2
%96 = sext i32 %95 to i64
%97 = getelementptr inbounds float, float* %80, i64 %96
%98 = load float, float* %97
%99 = load float, float* %9
%100 = fcmp oge float %98, %99
br i1 %100, label %101, label %108
101: ; preds = %85
%102 = load i32, i32* %2
%103 = sext i32 %102 to i64
%104 = getelementptr inbounds float, float* %80, i64 %103
%105 = load float, float* %104
%106 = load float, float* %8
%107 = fcmp ole float %105, %106
br label %108
108: ; preds = %101, %85
%109 = phi i1 [ false, %85 ], [ %107, %101 ]
%110 = zext i1 %109 to i32
%111 = call i32 @__ESBMC_assume(i32 %110)
br label %112
112: ; preds = %108
%113 = load i32, i32* %2
%114 = add nsw i32 %113, 1
store i32 %114, i32* %2
br label %81
115: ; preds = %81
%116 = load i32, i32* %4
%117 = zext i32 %116 to i64
%118 = alloca float, i64 %117
store i64 %117, i64* %16
%119 = load i32, i32* %5
%120 = zext i32 %119 to i64
%121 = alloca float, i64 %120
store i64 %120, i64* %17
store i32 0, i32* %2
br label %122
122: ; preds = %130, %115
%123 = load i32, i32* %2
%124 = load i32, i32* %4
%125 = icmp slt i32 %123, %124
br i1 %125, label %126, label %133
126: ; preds = %122
%127 = load i32, i32* %2
%128 = sext i32 %127 to i64
%129 = getelementptr inbounds float, float* %118, i64 %128
store float 0.000000e+00, float* %129
br label %130
130: ; preds = %126
%131 = load i32, i32* %2
%132 = add nsw i32 %131, 1
store i32 %132, i32* %2
br label %122
133: ; preds = %122
store i32 0, i32* %2
br label %134
134: ; preds = %142, %133
%135 = load i32, i32* %2
%136 = load i32, i32* %5
%137 = icmp slt i32 %135, %136
br i1 %137, label %138, label %145
138: ; preds = %134
%139 = load i32, i32* %2
%140 = sext i32 %139 to i64
%141 = getelementptr inbounds float, float* %121, i64 %140
store float 0.000000e+00, float* %141
br label %142
142: ; preds = %138
%143 = load i32, i32* %2
%144 = add nsw i32 %143, 1
store i32 %144, i32* %2
br label %134
145: ; preds = %134
store i32 0, i32* %2
br label %146
146: ; preds = %172, %145
%147 = load i32, i32* %2
%148 = load i32, i32* %3
%149 = icmp slt i32 %147, %148
br i1 %149, label %150, label %175
150: ; preds = %146
%151 = load i32, i32* %2
%152 = sext i32 %151 to i64
%153 = getelementptr inbounds float, float* %80, i64 %152
%154 = load float, float* %153
%155 = load i32, i32* %5
%156 = call i32 @shiftL(float %154, float* %121, i32 %155)
%157 = load i32, i32* %4
%158 = load i32, i32* %5
%159 = load i32, i32* %6
%160 = load i32, i32* %7
%161 = load float, float* %10
%162 = call float @iirOutFixed(float* %118, float* %121, float* %28, float* %31, i32 %157, i32 %158, i32 %159, i32 %160, float %161, i32 1)
%163 = load i32, i32* %2
%164 = sext i32 %163 to i64
%165 = getelementptr inbounds float, float* %77, i64 %164
store float %162, float* %165
%166 = load i32, i32* %2
%167 = sext i32 %166 to i64
%168 = getelementptr inbounds float, float* %77, i64 %167
%169 = load float, float* %168
%170 = load i32, i32* %4
%171 = call i32 @shiftL(float %169, float* %118, i32 %170)
br label %172
172: ; preds = %150
%173 = load i32, i32* %2
%174 = add nsw i32 %173, 1
store i32 %174, i32* %2
br label %146
175: ; preds = %146
store i32 0, i32* %1
%176 = load i8*, i8** %11
%177 = load i32, i32* %1
ret i32 %177
}

LLVM IR (-O2):
define i32 @main() {
%1 = tail call float @fixedDelta(i32 4)
%2 = fcmp ogt float %1, 0.000000e+00
%3 = zext i1 %2 to i32
%4 = tail call i32 @assert(i32 %3)
%5 = alloca [2 x float]
%6 = alloca float
%7 = getelementptr inbounds [2 x float], [2 x float]* %5, i64 0, i64 0
%8 = getelementptr inbounds [2 x float], [2 x float]* %5, i64 0, i64 1
%9 = tail call float @floatToFix(float 1.000000e+00, float %1, i32 2, i32 4, i32 1)
store float %9, float* %7
%10 = tail call float @floatToFix(float -5.000000e-01, float %1, i32 2, i32 4, i32 1)
store float %10, float* %8
%11 = tail call float @floatToFix(float 1.000000e+00, float %1, i32 2, i32 4, i32 1)
store float %11, float* %6
%12 = tail call float (...) @nondet_int()
%13 = fmul float %1, %12
%14 = fcmp oge float %13, -1.000000e+00
%15 = fcmp ole float %13, 1.000000e+00
%16 = and i1 %14, %15
%17 = zext i1 %16 to i32
%18 = tail call i32 @__ESBMC_assume(i32 %17)
%19 = tail call float (...) @nondet_int()
%20 = fmul float %1, %19
%21 = fcmp oge float %20, -1.000000e+00
%22 = fcmp ole float %20, 1.000000e+00
%23 = and i1 %21, %22
%24 = zext i1 %23 to i32
%25 = tail call i32 @__ESBMC_assume(i32 %24)
%26 = tail call float (...) @nondet_int()
%27 = fmul float %1, %26
%28 = fcmp oge float %27, -1.000000e+00
%29 = fcmp ole float %27, 1.000000e+00
%30 = and i1 %28, %29
%31 = zext i1 %30 to i32
%32 = tail call i32 @__ESBMC_assume(i32 %31)
%33 = tail call float (...) @nondet_int()
%34 = fmul float %1, %33
%35 = fcmp oge float %34, -1.000000e+00
%36 = fcmp ole float %34, 1.000000e+00
%37 = and i1 %35, %36
%38 = zext i1 %37 to i32
%39 = tail call i32 @__ESBMC_assume(i32 %38)
%40 = tail call float (...) @nondet_int()
%41 = fmul float %1, %40
%42 = fcmp oge float %41, -1.000000e+00
%43 = fcmp ole float %41, 1.000000e+00
%44 = and i1 %42, %43
%45 = zext i1 %44 to i32
%46 = tail call i32 @__ESBMC_assume(i32 %45)
%47 = tail call float (...) @nondet_int()
%48 = fmul float %1, %47
%49 = fcmp oge float %48, -1.000000e+00
%50 = fcmp ole float %48, 1.000000e+00
%51 = and i1 %49, %50
%52 = zext i1 %51 to i32
%53 = tail call i32 @__ESBMC_assume(i32 %52)
%54 = alloca i64
%55 = alloca float
store i64 0, i64* %54
%56 = bitcast i64* %54 to float*
store float 0.000000e+00, float* %55
%57 = call i32 @shiftL(float %13, float* %55, i32 1)
%58 = call float @iirOutFixed(float* %56, float* %55, float* %7, float* %6, i32 2, i32 1, i32 2, i32 4, float %1, i32 1)
%59 = call i32 @shiftL(float %58, float* %56, i32 2)
%60 = call i32 @shiftL(float %20, float* %55, i32 1)
%61 = call float @iirOutFixed(float* %56, float* %55, float* %7, float* %6, i32 2, i32 1, i32 2, i32 4, float %1, i32 1)
%62 = call i32 @shiftL(float %61, float* %56, i32 2)
%63 = call i32 @shiftL(float %27, float* %55, i32 1)
%64 = call float @iirOutFixed(float* %56, float* %55, float* %7, float* %6, i32 2, i32 1, i32 2, i32 4, float %1, i32 1)
%65 = call i32 @shiftL(float %64, float* %56, i32 2)
%66 = call i32 @shiftL(float %34, float* %55, i32 1)
%67 = call float @iirOutFixed(float* %56, float* %55, float* %7, float* %6, i32 2, i32 1, i32 2, i32 4, float %1, i32 1)
%68 = call i32 @shiftL(float %67, float* %56, i32 2)
%69 = call i32 @shiftL(float %41, float* %55, i32 1)
%70 = call float @iirOutFixed(float* %56, float* %55, float* %7, float* %6, i32 2, i32 1, i32 2, i32 4, float %1, i32 1)
%71 = call i32 @shiftL(float %70, float* %56, i32 2)
%72 = call i32 @shiftL(float %48, float* %55, i32 1)
%73 = call float @iirOutFixed(float* %56, float* %55, float* %7, float* %6, i32 2, i32 1, i32 2, i32 4, float %1, i32 1)
%74 = call i32 @shiftL(float %73, float* %56, i32 2)
ret i32 0
}