Initial Problem

Start: eval_foo_start
Program_Vars: Arg_0, Arg_1, Arg_2, Arg_3
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,Arg_2,Arg_3) -> eval_foo_bb1_in(1,2,Arg_2,Arg_3)
2:eval_foo_bb1_in(Arg_0,Arg_1,Arg_2,Arg_3) -> eval_foo_bb2_in(Arg_0,Arg_1,Arg_2,Arg_3):|:Arg_0+Arg_1<5
3:eval_foo_bb1_in(Arg_0,Arg_1,Arg_2,Arg_3) -> eval_foo_bb3_in(Arg_0,Arg_1,Arg_2,Arg_3):|:5<=Arg_0+Arg_1
4:eval_foo_bb2_in(Arg_0,Arg_1,Arg_2,Arg_3) -> eval_foo_bb1_in(Arg_1,Arg_0,Arg_2,Arg_3)
5:eval_foo_bb3_in(Arg_0,Arg_1,Arg_2,Arg_3) -> eval_foo_stop(Arg_0,Arg_1,Arg_2,Arg_3)
0:eval_foo_start(Arg_0,Arg_1,Arg_2,Arg_3) -> eval_foo_bb0_in(Arg_0,Arg_1,Arg_2,Arg_3)

Preprocessing

Eliminate variables {Arg_2,Arg_3} that do not contribute to the problem

Found invariant 1<=0 for location eval_foo_stop

Found invariant 1<=0 for location eval_foo_bb3_in

Found invariant Arg_1<=2 && Arg_1<=1+Arg_0 && Arg_0+Arg_1<=3 && 1<=Arg_1 && 3<=Arg_0+Arg_1 && Arg_0<=1+Arg_1 && Arg_0<=2 && 1<=Arg_0 for location eval_foo_bb2_in

Found invariant Arg_1<=2 && Arg_1<=1+Arg_0 && Arg_0+Arg_1<=3 && 1<=Arg_1 && 3<=Arg_0+Arg_1 && Arg_0<=1+Arg_1 && Arg_0<=2 && 1<=Arg_0 for location eval_foo_bb1_in

Cut unsatisfiable transition 14: eval_foo_bb1_in->eval_foo_bb3_in

Cut unsatisfiable transition 16: eval_foo_bb3_in->eval_foo_stop

Cut unreachable locations [eval_foo_bb3_in; eval_foo_stop] from the program graph

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_start
Transitions:
12:eval_foo_bb0_in(Arg_0,Arg_1) -> eval_foo_bb1_in(1,2)
13:eval_foo_bb1_in(Arg_0,Arg_1) -> eval_foo_bb2_in(Arg_0,Arg_1):|:Arg_1<=2 && Arg_1<=1+Arg_0 && Arg_0+Arg_1<=3 && 1<=Arg_1 && 3<=Arg_0+Arg_1 && Arg_0<=1+Arg_1 && Arg_0<=2 && 1<=Arg_0 && Arg_0+Arg_1<5
15:eval_foo_bb2_in(Arg_0,Arg_1) -> eval_foo_bb1_in(Arg_1,Arg_0):|:Arg_1<=2 && Arg_1<=1+Arg_0 && Arg_0+Arg_1<=3 && 1<=Arg_1 && 3<=Arg_0+Arg_1 && Arg_0<=1+Arg_1 && Arg_0<=2 && 1<=Arg_0
17:eval_foo_start(Arg_0,Arg_1) -> eval_foo_bb0_in(Arg_0,Arg_1)

Analysing control-flow refined program

Found invariant Arg_1<=2 && Arg_1<=1+Arg_0 && Arg_0+Arg_1<=3 && 1<=Arg_1 && 3<=Arg_0+Arg_1 && Arg_0<=1+Arg_1 && Arg_0<=2 && 1<=Arg_0 for location n_eval_foo_bb1_in___2

Found invariant Arg_1<=2 && Arg_1<=1+Arg_0 && Arg_0+Arg_1<=3 && 1<=Arg_1 && 3<=Arg_0+Arg_1 && Arg_0<=1+Arg_1 && Arg_0<=2 && 1<=Arg_0 for location n_eval_foo_bb2_in___1

Found invariant Arg_1<=2 && Arg_1<=1+Arg_0 && Arg_0+Arg_1<=3 && 2<=Arg_1 && 3<=Arg_0+Arg_1 && 1+Arg_0<=Arg_1 && Arg_0<=1 && 1<=Arg_0 for location eval_foo_bb1_in

Found invariant Arg_1<=2 && Arg_1<=1+Arg_0 && Arg_0+Arg_1<=3 && 2<=Arg_1 && 3<=Arg_0+Arg_1 && 1+Arg_0<=Arg_1 && Arg_0<=1 && 1<=Arg_0 for location n_eval_foo_bb2_in___3

CFR did not improve the program. Rolling back

All Bounds

Timebounds

Overall timebound:inf {Infinity}
12: eval_foo_bb0_in->eval_foo_bb1_in: 1 {O(1)}
13: eval_foo_bb1_in->eval_foo_bb2_in: inf {Infinity}
15: eval_foo_bb2_in->eval_foo_bb1_in: inf {Infinity}
17: eval_foo_start->eval_foo_bb0_in: 1 {O(1)}

Costbounds

Overall costbound: inf {Infinity}
12: eval_foo_bb0_in->eval_foo_bb1_in: 1 {O(1)}
13: eval_foo_bb1_in->eval_foo_bb2_in: inf {Infinity}
15: eval_foo_bb2_in->eval_foo_bb1_in: inf {Infinity}
17: eval_foo_start->eval_foo_bb0_in: 1 {O(1)}

Sizebounds

12: eval_foo_bb0_in->eval_foo_bb1_in, Arg_0: 1 {O(1)}
12: eval_foo_bb0_in->eval_foo_bb1_in, Arg_1: 2 {O(1)}
13: eval_foo_bb1_in->eval_foo_bb2_in, Arg_0: 2 {O(1)}
13: eval_foo_bb1_in->eval_foo_bb2_in, Arg_1: 2 {O(1)}
15: eval_foo_bb2_in->eval_foo_bb1_in, Arg_0: 2 {O(1)}
15: eval_foo_bb2_in->eval_foo_bb1_in, Arg_1: 2 {O(1)}
17: eval_foo_start->eval_foo_bb0_in, Arg_0: Arg_0 {O(n)}
17: eval_foo_start->eval_foo_bb0_in, Arg_1: Arg_1 {O(n)}