void abort() { };
                                            
  
                                    
                                                 
                                  
  
                                                                          
  
                                      

                                                                                                                                                          
                                                                           

int main() {
	int a = 6;
	int b = 6;


/*@
loop invariant (((b == 6) && (a <= 6)));
@*/
	for(a = 0; a < 6; ++a) {
/*@
loop invariant (((b <= 6) && (a <= 5)));
@*/
		for(b = 0; b < 6; ++b) {

		}
	}
	if(!(a == 6 && b == 6  )) {
		/*@ assert(0); */;
	}
	return 1;
}