# Inferring Expected Runtimes Using Sizes

KoAT2 Proof MAYBE

### Initial Complexity Problem (after preprocessing)

Start:f
Program_Vars:Arg_0, Arg_1, Arg_2
Temp_Vars:
Locations:f, g, h
Transitions:
f(Arg_0,Arg_1,Arg_2) -{0}> g(Arg_0,Arg_1,Arg_2)
g(Arg_0,Arg_1,Arg_2) -{0}> 1/3:h(Arg_0+1,Arg_0,Arg_2) :+: 2/3:h(Arg_0-1,Arg_0-2,Arg_2) :|: 0<Arg_0
h(Arg_0,Arg_1,Arg_2) -> 1/3:h(Arg_0,Arg_1+1,Arg_2) :+: 2/3:h(Arg_0,Arg_1-1,Arg_2) :|: 0<Arg_1 && 0<=1+Arg_1 && 0<=1+Arg_0+Arg_1 && 0<=Arg_0
h(Arg_0,Arg_1,Arg_2) -{0}> g(Arg_0,Arg_1,Arg_2) :|: Arg_1<1 && 0<=1+Arg_1 && 0<=1+Arg_0+Arg_1 && 0<=Arg_0

### Timebounds:

Overall timebound:inf {Infinity}
0,0: f->g: 1 {O(1)}
1,1: g->h: inf {Infinity}
2,1: g->h: inf {Infinity}
3,2: h->h: inf {Infinity}
4,2: h->h: inf {Infinity}
5,3: h->g: inf {Infinity}

### Expected Timebounds:

Overall expected timebound: inf {Infinity}
0: f->[1:g]: 1 {O(1)}
1: g->[1/3:h; 2/3:h]: 3*Arg_0 {O(n)}
2: h->[1/3:h; 2/3:h]: inf {Infinity}
3: h->[1:g]: 3*Arg_0 {O(n)}

### Costbounds:

Overall costbound: inf {Infinity}
0,0: f->g: inf {Infinity}
1,1: g->h: inf {Infinity}
2,1: g->h: inf {Infinity}
3,2: h->h: inf {Infinity}
4,2: h->h: inf {Infinity}
5,3: h->g: inf {Infinity}

### Expected Costbounds:

Overall expected costbound: inf {Infinity}
0: f->[1:g]: 0 {O(1)}
1: g->[1/3:h; 2/3:h]: 0 {O(1)}
2: h->[1/3:h; 2/3:h]: inf {Infinity}
3: h->[1:g]: 0 {O(1)}

### Sizebounds:

0,0: f->g, Arg_0: Arg_0 {O(n)}
0,0: f->g, Arg_1: Arg_1 {O(n)}
0,0: f->g, Arg_2: Arg_2 {O(n)}
1,1: g->h, Arg_2: Arg_2 {O(n)}
2,1: g->h, Arg_2: Arg_2 {O(n)}
3,2: h->h, Arg_2: Arg_2 {O(n)}
4,2: h->h, Arg_2: Arg_2 {O(n)}
5,3: h->g, Arg_1: 0 {O(1)}
5,3: h->g, Arg_2: Arg_2 {O(n)}

### ExpSizeBounds:

(0: f->[1:g], g), Arg_0: Arg_0 {O(n)}
(0: f->[1:g], g), Arg_1: Arg_1 {O(n)}
(0: f->[1:g], g), Arg_2: Arg_2 {O(n)}
(1: g->[1/3:h; 2/3:h], h), Arg_0: 4*Arg_0 {O(n)}
(1: g->[1/3:h; 2/3:h], h), Arg_2: Arg_2 {O(n)}
(2: h->[1/3:h; 2/3:h], h), Arg_0: 4*Arg_0 {O(n)}
(2: h->[1/3:h; 2/3:h], h), Arg_2: Arg_2 {O(n)}
(3: h->[1:g], g), Arg_0: 4*Arg_0 {O(n)}
(3: h->[1:g], g), Arg_1: 1 {O(1)}
(3: h->[1:g], g), Arg_2: Arg_2 {O(n)}