extern void abort(void);
#include <assert.h>
void reach_error() { assert(0); }

extern void abort(void);
void assume_abort_if_not(int cond) {
  if(!cond) {abort();}
}
void __VERIFIER_assert(int cond) {
  if (!(cond)) {
    ERROR: {reach_error();abort();}
  }
  return;
}
#define MAX 5

char __VERIFIER_nondet_char();

int main(void)
{
  char input_string[MAX], vogal_array[]={'a','A','e','E','i','I','o','O','u','U','\0'};; 
  unsigned int  i,j,cont, tam_string, n_caracter;

  for(i=0;i<MAX;i++)
    input_string[i] = __VERIFIER_nondet_char();
  if (!(input_string[MAX-1]=='\0')) return 0;
  
  n_caracter = 0;
  while(input_string[n_caracter]!='\0')
    n_caracter++;

  cont = 0;
  for(i=0;i<n_caracter;i++)
     for(j=0;j<MAX/2;j++)
        if(input_string[i] == vogal_array[j])
           cont++;
           
  i=0;
  int cont_aux = 0;
  while(input_string[i]!='\0')
  {
    for(j=0;j<MAX/2;j++)
    {
        if(input_string[i] == vogal_array[j])
           cont_aux++;
    }       
    i++;       
  }    
  __VERIFIER_assert(cont_aux==cont);                          

  return 0;
}