Initial Problem

Start: eval_foo_start
Program_Vars: Arg_0, Arg_1
Temp_Vars:
Locations: eval_foo_bb0_in, eval_foo_bb1_in, eval_foo_bb2_in, eval_foo_bb3_in, eval_foo_start, eval_foo_stop
Transitions:
1:eval_foo_bb0_in(Arg_0,Arg_1) -> eval_foo_bb1_in(Arg_1,Arg_1)
2:eval_foo_bb1_in(Arg_0,Arg_1) -> eval_foo_bb2_in(Arg_0,Arg_1):|:Arg_0<0
3:eval_foo_bb1_in(Arg_0,Arg_1) -> eval_foo_bb2_in(Arg_0,Arg_1):|:0<Arg_0
4:eval_foo_bb1_in(Arg_0,Arg_1) -> eval_foo_bb3_in(Arg_0,Arg_1):|:Arg_0<=0 && 0<=Arg_0
5:eval_foo_bb2_in(Arg_0,Arg_1) -> eval_foo_bb1_in(1-Arg_0,Arg_1):|:Arg_0<0
6:eval_foo_bb2_in(Arg_0,Arg_1) -> eval_foo_bb1_in(-Arg_0-1,Arg_1):|:0<=Arg_0
7:eval_foo_bb3_in(Arg_0,Arg_1) -> eval_foo_stop(Arg_0,Arg_1)
0:eval_foo_start(Arg_0,Arg_1) -> eval_foo_bb0_in(Arg_0,Arg_1)

Preprocessing

Found invariant Arg_0<=0 && 0<=Arg_0 for location eval_foo_stop

Found invariant Arg_0<=0 && 0<=Arg_0 for location eval_foo_bb3_in

Problem after Preprocessing

Start: eval_foo_start
Program_Vars: Arg_0, Arg_1
Temp_Vars:
Locations: eval_foo_bb0_in, eval_foo_bb1_in, eval_foo_bb2_in, eval_foo_bb3_in, eval_foo_start, eval_foo_stop
Transitions:
1:eval_foo_bb0_in(Arg_0,Arg_1) -> eval_foo_bb1_in(Arg_1,Arg_1)
2:eval_foo_bb1_in(Arg_0,Arg_1) -> eval_foo_bb2_in(Arg_0,Arg_1):|:Arg_0<0
3:eval_foo_bb1_in(Arg_0,Arg_1) -> eval_foo_bb2_in(Arg_0,Arg_1):|:0<Arg_0
4:eval_foo_bb1_in(Arg_0,Arg_1) -> eval_foo_bb3_in(Arg_0,Arg_1):|:Arg_0<=0 && 0<=Arg_0
5:eval_foo_bb2_in(Arg_0,Arg_1) -> eval_foo_bb1_in(1-Arg_0,Arg_1):|:Arg_0<0
6:eval_foo_bb2_in(Arg_0,Arg_1) -> eval_foo_bb1_in(-Arg_0-1,Arg_1):|:0<=Arg_0
7:eval_foo_bb3_in(Arg_0,Arg_1) -> eval_foo_stop(Arg_0,Arg_1):|:Arg_0<=0 && 0<=Arg_0
0:eval_foo_start(Arg_0,Arg_1) -> eval_foo_bb0_in(Arg_0,Arg_1)

Analysing control-flow refined program

Found invariant Arg_1<=Arg_0 && 1<=Arg_1 && 2<=Arg_0+Arg_1 && Arg_0<=Arg_1 && 1<=Arg_0 for location n_eval_foo_bb2_in___7

Found invariant Arg_1<=0 && Arg_1<=Arg_0 && Arg_0+Arg_1<=0 && 0<=Arg_1 && 0<=Arg_0+Arg_1 && Arg_0<=Arg_1 && Arg_0<=0 && 0<=Arg_0 for location eval_foo_stop

Found invariant 1+Arg_0+Arg_1<=0 && 2+Arg_0<=0 for location n_eval_foo_bb1_in___4

Found invariant 1+Arg_1<=0 && Arg_1<=Arg_0 && 2+Arg_0+Arg_1<=0 && Arg_0<=Arg_1 && 1+Arg_0<=0 for location n_eval_foo_bb2_in___8

Found invariant Arg_1<=0 && Arg_1<=Arg_0 && Arg_0+Arg_1<=0 && 0<=Arg_1 && 0<=Arg_0+Arg_1 && Arg_0<=Arg_1 && Arg_0<=0 && 0<=Arg_0 for location eval_foo_bb3_in

Found invariant 2+Arg_1<=Arg_0 && 3<=Arg_0 for location n_eval_foo_bb1_in___2

Found invariant 1+Arg_1<=0 && 3+Arg_1<=Arg_0 && Arg_0+Arg_1<=1 && 1<=Arg_0+Arg_1 && 2<=Arg_0 for location n_eval_foo_bb2_in___5

Found invariant 2+Arg_1<=Arg_0 && 3<=Arg_0 for location n_eval_foo_bb2_in___1

Found invariant Arg_1<=Arg_0 && Arg_0<=Arg_1 for location eval_foo_bb1_in

Found invariant 1+Arg_0+Arg_1<=0 && 2+Arg_0<=0 for location n_eval_foo_bb2_in___3

Found invariant 1+Arg_1<=0 && 3+Arg_1<=Arg_0 && Arg_0+Arg_1<=1 && 1<=Arg_0+Arg_1 && 2<=Arg_0 for location n_eval_foo_bb1_in___6

CFR did not improve the program. Rolling back

All Bounds

Timebounds

Overall timebound:inf {Infinity}
1: eval_foo_bb0_in->eval_foo_bb1_in: 1 {O(1)}
2: eval_foo_bb1_in->eval_foo_bb2_in: inf {Infinity}
3: eval_foo_bb1_in->eval_foo_bb2_in: inf {Infinity}
4: eval_foo_bb1_in->eval_foo_bb3_in: 1 {O(1)}
5: eval_foo_bb2_in->eval_foo_bb1_in: inf {Infinity}
6: eval_foo_bb2_in->eval_foo_bb1_in: inf {Infinity}
7: eval_foo_bb3_in->eval_foo_stop: 1 {O(1)}
0: eval_foo_start->eval_foo_bb0_in: 1 {O(1)}

Costbounds

Overall costbound: inf {Infinity}
1: eval_foo_bb0_in->eval_foo_bb1_in: 1 {O(1)}
2: eval_foo_bb1_in->eval_foo_bb2_in: inf {Infinity}
3: eval_foo_bb1_in->eval_foo_bb2_in: inf {Infinity}
4: eval_foo_bb1_in->eval_foo_bb3_in: 1 {O(1)}
5: eval_foo_bb2_in->eval_foo_bb1_in: inf {Infinity}
6: eval_foo_bb2_in->eval_foo_bb1_in: inf {Infinity}
7: eval_foo_bb3_in->eval_foo_stop: 1 {O(1)}
0: eval_foo_start->eval_foo_bb0_in: 1 {O(1)}

Sizebounds

1: eval_foo_bb0_in->eval_foo_bb1_in, Arg_0: Arg_1 {O(n)}
1: eval_foo_bb0_in->eval_foo_bb1_in, Arg_1: Arg_1 {O(n)}
2: eval_foo_bb1_in->eval_foo_bb2_in, Arg_1: 2*Arg_1 {O(n)}
3: eval_foo_bb1_in->eval_foo_bb2_in, Arg_1: 2*Arg_1 {O(n)}
4: eval_foo_bb1_in->eval_foo_bb3_in, Arg_0: 0 {O(1)}
4: eval_foo_bb1_in->eval_foo_bb3_in, Arg_1: Arg_1 {O(n)}
5: eval_foo_bb2_in->eval_foo_bb1_in, Arg_1: 2*Arg_1 {O(n)}
6: eval_foo_bb2_in->eval_foo_bb1_in, Arg_1: 2*Arg_1 {O(n)}
7: eval_foo_bb3_in->eval_foo_stop, Arg_0: 0 {O(1)}
7: eval_foo_bb3_in->eval_foo_stop, Arg_1: Arg_1 {O(n)}
0: eval_foo_start->eval_foo_bb0_in, Arg_0: Arg_0 {O(n)}
0: eval_foo_start->eval_foo_bb0_in, Arg_1: Arg_1 {O(n)}