void abort() { };

                                                                       
                                                  
                                                                             
                                                                   
                                                  
                                                                             
                                                                              
                                                                             

                                                                                                                                                                 

                        
void assume_abort_if_not(int cond) {
  if(!cond) {abort();}
}
/*@ 
    requires ((1 <= \old(cond))) && (cond != 0);
    ensures ((1 <= \old(cond))) && (1);
@*/
void __VERIFIER_assert(int cond) {
  if (!(cond)) {
    ERROR: {/*@ assert(0); */;abort();}
  }
  return;
}


extern char __VERIFIER_nondet_char();

int main()
{
  char string_A[5], string_B[5];
  int i, j, nc_A, nc_B, found=0;

  for(i=0; i<5; i++)
    string_A[i]=__VERIFIER_nondet_char();
  if (!(string_A[5 -1]=='\0')) return 0;

  for(i=0; i<5; i++)
    string_B[i]=__VERIFIER_nondet_char();
  if (!(string_B[5 -1]=='\0')) return 0;

  nc_A = 0;
  while(string_A[nc_A]!='\0')
    nc_A++;

  nc_B = 0;
  while(string_B[nc_B]!='\0')
    nc_B++;

  if (!(nc_B >= nc_A)) return 0;


  i=j=0;
  while((i<nc_A) && (j<nc_B))
  {
    if(string_A[i] == string_B[j])
    {
       i++;
       j++;
    }
    else
    {
       i = i-j+1;
       j = 0;
    }
  }

  found = (j>nc_B-1);

  __VERIFIER_assert(found == 0 || found == 1);

  return 0;
}