const int K = 2;
const int L;

// RESULT: 7/8
Pmax=? [ F<=6 s=1 ];

// RESULT: 3/4
Pmax=? [ F<=4 "target" ];

// RESULT: 1/2
Pmax=? [ F<=K "target" ];

// RESULT: 1/2
Pmax=? [ F<=L "target" ];

// RESULT: Error:upper
Pmax=? [ F>=2 "target" ];