我正在尝试使用 Frama-c 测试一个函数：
/*@
ensures \result >= x && \result >= y;
ensures \result == x || \result == y;
*/
int max( int x, int y){
return (x>y) ? x : y;
}
安装完所有要求后：OPAM、why3、alt-ergo 每当我执行frama-c -wp fct.c我收到：
[kernel] Parsing fct.c (with preprocessing)
[wp] Warning: Missing RTE guards
[wp] User Error: Prover 'alt-ergo' not found in why3.conf
[wp] Goal typed_max_ensures : not tried
[wp] Goal typed_max_ensures_2 : not tried
[wp] User Error: Deferred error message was emitted during …