user: What is the c source code of the assembly code below?

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    0x8(%rsi),%rdi
  call   <atoi@plt>
  mov    %eax,%r15d
  mov    %eax,(%rsp)
  cltq
  lea    0x0(,%r15,8),%ebp
  mov    %rax,0x30(%rsp)
  mov    %ebp,%edi
  call   <malloc@plt>
  mov    %ebp,%edi
  mov    %rax,0x8(%rsp)
  mov    %rax,%r14
  call   <malloc@plt>
  mov    %ebp,%edi
  mov    %rax,0x28(%rsp)
  mov    %rax,%r13
  call   <malloc@plt>
  mov    %rax,0x10(%rsp)
  test   %r15d,%r15d
  jle    L126
  mov    %rax,%rsi
  lea    -0x1(%r15),%eax
  lea    0x0(,%r15,4),%r12d
  mov    %r14,%r15
  mov    %eax,0x18(%rsp)
  lea    0x8(%r14,%rax,8),%r14
  mov    %r15,%rbp
  sub    %r15,%r13
  mov    %rsi,%rbx
  nopw   0x0(%rax,%rax,1)
L83:
  mov    %r12d,%edi
  call   <malloc@plt>
  mov    %r12d,%edi
  mov    %rax,0x0(%rbp)
  call   <malloc@plt>
  mov    %r12d,%edi
  mov    %rax,0x0(%r13,%rbp,1)
  call   <malloc@plt>
  mov    %rax,%r8
  mov    %rbx,%rax
  sub    %r15,%rax
  mov    %r8,(%rax,%rbp,1)
  add    $0x8,%rbp
  cmp    %r14,%rbp
  jne    L83
  cmpq   $0x0,0x8(%rsp)
  mov    0x18(%rsp),%ebx
  sete   %al
  cmpq   $0x0,0x28(%rsp)
  sete   %dl
  or     %dl,%al
  jne    L115
  cmpq   $0x0,0x10(%rsp)
  je     L115
L55:
  xor    %edi,%edi
  call   <time@plt>
  mov    %eax,%edi
  call   <srand@plt>
  mov    %ebx,%eax
  mov    0x8(%rsp),%rsi
  mov    (%rsp),%r12d
  mov    %rax,0x38(%rsp)
  mov    0x28(%rsp),%rax
  movq   $0x0,(%rsp)
  mov    %r12,%rbx
  mov    %rsi,%rbp
  sub    %rsi,%rax
  mov    %r12,0x18(%rsp)
  mov    %rax,0x20(%rsp)
  nop
L95:
  mov    (%rsp),%rax
  mov    0x20(%rsp),%rdi
  mov    0x10(%rsp),%rsi
  sub    0x8(%rsp),%rsi
  mov    %eax,%r13d
  lea    (%rdi,%rbp,1),%r12
  lea    (%rsi,%rbp,1),%r15
  lea    0x0(,%rax,4),%r14
  cs nopw 0x0(%rax,%rax,1)
L122:
  xor    %eax,%eax
  add    $0x1,%r13d
  call   <rand@plt>
  mov    0x0(%rbp),%rcx
  cltd
  shr    $0x1e,%edx
  add    %edx,%eax
  and    $0x3,%eax
  sub    %edx,%eax
  add    $0x1,%eax
  mov    %eax,(%rcx,%r14,1)
  xor    %eax,%eax
  call   <rand@plt>
  mov    (%r12),%rcx
  cltd
  shr    $0x1e,%edx
  add    %edx,%eax
  and    $0x3,%eax
  sub    %edx,%eax
  add    $0x1,%eax
  mov    %eax,(%rcx,%r14,1)
  mov    (%r15),%rax
  movl   $0x0,(%rax,%r14,1)
  add    $0x4,%r14
  cmp    %r13d,%ebx
  jg     L122
  addq   $0x1,(%rsp)
  add    $0x8,%rbp
  mov    (%rsp),%rax
  cmp    %rax,0x18(%rsp)
  jne    L95
  mov    0x10(%rsp),%rax
  mov    0x38(%rsp),%rbx
  mov    0x8(%rsp),%r10
  mov    0x28(%rsp),%r9
  mov    0x18(%rsp),%r12
  lea    0x8(%rax,%rbx,8),%r11
  mov    %rax,%r8
  sub    %rax,%r10
  sub    %rax,%r9
  nopl   0x0(%rax)
L17:
  mov    (%r8),%rcx
  mov    (%r10,%r8,1),%rdi
  xor    %eax,%eax
  mov    (%r9,%r8,1),%rsi
  nopl   (%rax)
L124:
  mov    (%rdi,%rax,4),%edx
  imul   (%rsi,%rax,4),%edx
  add    %edx,(%rcx,%rax,4)
  add    $0x1,%rax
  cmp    %rax,%r12
  jne    L124
  add    $0x8,%r8
  cmp    %r8,%r11
  jne    L17
L21:
  mov    0x10(%rsp),%rbx
  lea    D28(%rip),%rdi
  mov    (%rbx),%rax
  mov    (%rax),%esi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0x30(%rsp),%rdi
  mov    -0x8(%rbx,%rdi,8),%rax
  mov    -0x4(%rax,%rdi,4),%esi
  lea    D33(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    $0xa,%edi
  call   <putchar@plt>
  add    $0x48,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L115:
  lea    D15(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  or     $0xffffffff,%edi
  call   <exit@plt>
  jmp    L55
L126:
  cmpq   $0x0,0x28(%rsp)
  sete   %al
  cmpq   $0x0,0x8(%rsp)
  sete   %dl
  or     %dl,%al
  jne    L87
  cmpq   $0x0,0x10(%rsp)
  je     L87
L82:
  xor    %edi,%edi
  call   <time@plt>
  mov    %eax,%edi
  call   <srand@plt>
  jmp    L21
L87:
  lea    D15(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  or     $0xffffffff,%edi
  call   <exit@plt>
  jmp    L82
```

tool_calls: name: read_data
arguments: tag: D28
data_type: string
name: read_data
arguments: tag: D33
data_type: string
name: read_data
arguments: tag: D15
data_type: string

tool: D28: Valor (0,0): %d 


tool: D33: Valor (n-1,n-1): %d 


tool: D15: 
Error en la reserva de memoria.

assistant: ```c
int main(int argc, char **argv) {
  int n, i, j, k;
  struct timespec cgt1, cgt2;
  double ncgt;
  n = atoi(argv[1]);
  int **m1, **m2, **m3;
  m1 = (int **)malloc(n * sizeof(int *));
  m2 = (int **)malloc(n * sizeof(int *));
  m3 = (int **)malloc(n * sizeof(int *));
  for (i = 0; i < n; i++) {
    m1[i] = (int *)malloc(n * sizeof(int));
    m2[i] = (int *)malloc(n * sizeof(int));
    m3[i] = (int *)malloc(n * sizeof(int));
  }
  if ((m1 == NULL) || (m2 == NULL) || (m3 == NULL)) {
    printf("\nError en la reserva de memoria.");
    exit(-1);
  }
  srand(time(NULL));
  for (i = 0; i < n; i++) {
    for (j = i; j < n; j++) {
      m1[i][j] = ((rand() % 4) + 1);
      m2[i][j] = ((rand() % 4) + 1);
      m3[i][j] = 0;
    }
  }
  for (i = 0; i < n; i++) {
    for (j = 0; j < n; j++)
      m3[i][j] += m1[i][j] * m2[i][j];
  }
  printf("Valor (0,0): %d \n", m3[0][0]);
  printf("Valor (n-1,n-1): %d \n", m3[n - 1][n - 1]);
  printf("\n");
}
```