作业见《软件测试基础》中文版49页第7题。英文版63页
a)
b) 令MAXPRIMES = 4，t1不能检查出错误，t2发生数组越界，使得t2比t1更容易发现。
c)t3=(n=1)
d)节点覆盖：TR={1，2，3，4，5，6，7，8，9，10，11，12，13，14，15，16}
边覆盖：TR={(1,2)，(2,3)，(2,12)，(3,4)，(4,5)，(5,6)，(6,8)，(8,5)，(6,7)，(7,9)，
(5,9)，(9,10)，(10,11)，(9,11)，(12,13)，(13,14)，(14,15)，(15,13)，(13,16)}
主路径：TR={(1,2,3,4,5,6,8),(1,2,3,4,5,6,7,9,11),(1,2,3,4,5,6,7,9,10,11)
(1,2,12,13,14,15),(1,2,12,13,16),(1,2,3,4,5,9,10,11),(1,2,3,4,5,9,11),
(2,3,4,5,6,7,9,11,2),(2,3,4,5,6,7,9,10,11,2),(2,3,4,5,9,10,11,2),(2,3,4,5,9,11,2)
(3,4,5,6,7,9,11,2,3),(3,4,5,6,7,9,10,11,2,3),(3,4,5,9,10,11,2,3),(3,4,5,9,11,2,3)
(4,5,6,7,9,11,2,3,4),(4,5,6,7,9,10,11,2,3,4),(4,5,9,10,11,2,3,4),(4,5,9,11,2,3,4)
(5,6,8,5),(5,6,7,9,10,11,2,3,4,5),(5,6,7,9,11,2,3,4,5),(5,9,10,11,2,3,4,5)
(5,9,11,2,3,4,5),(6,8,5,6),(6,7,9,10,11,2,3,4,5,6),(6,7,9,11,2,3,4,5,6)
(7,9,10,11,2,3,4,5,6,7),(7,9,11,2,3,4,5,6,7),(8,5,6,8)(9,10,11,2,3,4,5,6,7,9)
(9,10,11,2,3,4,5,9),(9,11,2,3,4,5,6,7,9)(9,11,2,3,4,5,9),(10,11,2,3,4,5,6,7,9,10)
(10,11,2,3,4,5,9,10)(11,2,3,4,5,6,7,9,11)(11,2,3,4,5,6,7,9,10,11)(11,2,3,4,5,9,10,11)
(13,14,15,13),(14,15,13,14),(15,13,14,15)}
