MAYBE Initial complexity problem: 1: T: (Comp: ?, Cost: 1) f0(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7) -> Com_1(f15(10, 35, 285, Fresh_2, Fresh_2, 0, Ar_6, Ar_7)) (Comp: ?, Cost: 1) f15(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Fresh_1, 1)) [ Ar_0 >= Ar_5 + 1 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Fresh_0, Ar_7 + 1)) [ Ar_4 >= Ar_7 + 1 ] (Comp: ?, Cost: 1) f41(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5 + 1, Ar_6, Ar_7)) [ Ar_4 >= Ar_1 ] (Comp: ?, Cost: 1) f41(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4 + 1, Ar_5 + 1, Ar_6, Ar_7)) [ Ar_1 >= Ar_4 + 1 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7)) [ Ar_7 >= Ar_4 /\ I >= J + 1 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7)) [ Ar_7 >= Ar_4 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4 - 1, Ar_5 + 1, Ar_6, Ar_7)) [ Ar_7 >= Ar_4 ] (Comp: ?, Cost: 1) f15(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7) -> Com_1(f48(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7)) [ Ar_5 >= Ar_0 ] (Comp: 1, Cost: 0) koat_start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7) -> Com_1(f0(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7)) [ 0 <= 0 ] start location: koat_start leaf cost: 0 Slicing away variables that do not contribute to conditions from problem 1 leaves variables [Ar_0, Ar_1, Ar_4, Ar_5, Ar_7]. We thus obtain the following problem: 2: T: (Comp: 1, Cost: 0) koat_start(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ 0 <= 0 ] (Comp: ?, Cost: 1) f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f48(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_5 >= Ar_0 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 - 1, Ar_5 + 1, Ar_7)) [ Ar_7 >= Ar_4 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 /\ I >= J + 1 ] (Comp: ?, Cost: 1) f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 + 1, Ar_5 + 1, Ar_7)) [ Ar_1 >= Ar_4 + 1 ] (Comp: ?, Cost: 1) f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4, Ar_5 + 1, Ar_7)) [ Ar_4 >= Ar_1 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7 + 1)) [ Ar_4 >= Ar_7 + 1 ] (Comp: ?, Cost: 1) f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, 1)) [ Ar_0 >= Ar_5 + 1 ] (Comp: ?, Cost: 1) f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(10, 35, Fresh_2, 0, Ar_7)) start location: koat_start leaf cost: 0 Repeatedly propagating knowledge in problem 2 produces the following problem: 3: T: (Comp: 1, Cost: 0) koat_start(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ 0 <= 0 ] (Comp: ?, Cost: 1) f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f48(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_5 >= Ar_0 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 - 1, Ar_5 + 1, Ar_7)) [ Ar_7 >= Ar_4 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 /\ I >= J + 1 ] (Comp: ?, Cost: 1) f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 + 1, Ar_5 + 1, Ar_7)) [ Ar_1 >= Ar_4 + 1 ] (Comp: ?, Cost: 1) f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4, Ar_5 + 1, Ar_7)) [ Ar_4 >= Ar_1 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7 + 1)) [ Ar_4 >= Ar_7 + 1 ] (Comp: ?, Cost: 1) f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, 1)) [ Ar_0 >= Ar_5 + 1 ] (Comp: 1, Cost: 1) f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(10, 35, Fresh_2, 0, Ar_7)) start location: koat_start leaf cost: 0 A polynomial rank function with Pol(koat_start) = 1 Pol(f0) = 1 Pol(f15) = 1 Pol(f48) = 0 Pol(f25) = 1 Pol(f41) = 1 orients all transitions weakly and the transition f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f48(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_5 >= Ar_0 ] strictly and produces the following problem: 4: T: (Comp: 1, Cost: 0) koat_start(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ 0 <= 0 ] (Comp: 1, Cost: 1) f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f48(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_5 >= Ar_0 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 - 1, Ar_5 + 1, Ar_7)) [ Ar_7 >= Ar_4 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 /\ I >= J + 1 ] (Comp: ?, Cost: 1) f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 + 1, Ar_5 + 1, Ar_7)) [ Ar_1 >= Ar_4 + 1 ] (Comp: ?, Cost: 1) f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4, Ar_5 + 1, Ar_7)) [ Ar_4 >= Ar_1 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7 + 1)) [ Ar_4 >= Ar_7 + 1 ] (Comp: ?, Cost: 1) f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, 1)) [ Ar_0 >= Ar_5 + 1 ] (Comp: 1, Cost: 1) f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(10, 35, Fresh_2, 0, Ar_7)) start location: koat_start leaf cost: 0 A polynomial rank function with Pol(koat_start) = 30 Pol(f0) = 30 Pol(f15) = 3*V_1 - 3*V_4 Pol(f48) = 3*V_1 - 3*V_4 Pol(f25) = 3*V_1 - 3*V_4 - 1 Pol(f41) = 3*V_1 - 3*V_4 - 2 orients all transitions weakly and the transition f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, 1)) [ Ar_0 >= Ar_5 + 1 ] strictly and produces the following problem: 5: T: (Comp: 1, Cost: 0) koat_start(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ 0 <= 0 ] (Comp: 1, Cost: 1) f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f48(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_5 >= Ar_0 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 - 1, Ar_5 + 1, Ar_7)) [ Ar_7 >= Ar_4 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 /\ I >= J + 1 ] (Comp: ?, Cost: 1) f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 + 1, Ar_5 + 1, Ar_7)) [ Ar_1 >= Ar_4 + 1 ] (Comp: ?, Cost: 1) f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4, Ar_5 + 1, Ar_7)) [ Ar_4 >= Ar_1 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7 + 1)) [ Ar_4 >= Ar_7 + 1 ] (Comp: 30, Cost: 1) f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, 1)) [ Ar_0 >= Ar_5 + 1 ] (Comp: 1, Cost: 1) f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(10, 35, Fresh_2, 0, Ar_7)) start location: koat_start leaf cost: 0 A polynomial rank function with Pol(f41) = 1 Pol(f15) = 0 Pol(f25) = 2 and size complexities S("f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(10, 35, Fresh_2, 0, Ar_7))", 0-0) = 10 S("f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(10, 35, Fresh_2, 0, Ar_7))", 0-1) = 35 S("f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(10, 35, Fresh_2, 0, Ar_7))", 0-2) = ? S("f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(10, 35, Fresh_2, 0, Ar_7))", 0-3) = 0 S("f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(10, 35, Fresh_2, 0, Ar_7))", 0-4) = Ar_7 S("f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, 1)) [ Ar_0 >= Ar_5 + 1 ]", 0-0) = 10 S("f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, 1)) [ Ar_0 >= Ar_5 + 1 ]", 0-1) = 35 S("f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, 1)) [ Ar_0 >= Ar_5 + 1 ]", 0-2) = ? S("f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, 1)) [ Ar_0 >= Ar_5 + 1 ]", 0-3) = ? S("f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, 1)) [ Ar_0 >= Ar_5 + 1 ]", 0-4) = 1 S("f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7 + 1)) [ Ar_4 >= Ar_7 + 1 ]", 0-0) = 10 S("f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7 + 1)) [ Ar_4 >= Ar_7 + 1 ]", 0-1) = 35 S("f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7 + 1)) [ Ar_4 >= Ar_7 + 1 ]", 0-2) = ? S("f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7 + 1)) [ Ar_4 >= Ar_7 + 1 ]", 0-3) = ? S("f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7 + 1)) [ Ar_4 >= Ar_7 + 1 ]", 0-4) = ? S("f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4, Ar_5 + 1, Ar_7)) [ Ar_4 >= Ar_1 ]", 0-0) = 10 S("f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4, Ar_5 + 1, Ar_7)) [ Ar_4 >= Ar_1 ]", 0-1) = 35 S("f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4, Ar_5 + 1, Ar_7)) [ Ar_4 >= Ar_1 ]", 0-2) = ? S("f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4, Ar_5 + 1, Ar_7)) [ Ar_4 >= Ar_1 ]", 0-3) = ? S("f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4, Ar_5 + 1, Ar_7)) [ Ar_4 >= Ar_1 ]", 0-4) = ? S("f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 + 1, Ar_5 + 1, Ar_7)) [ Ar_1 >= Ar_4 + 1 ]", 0-0) = 10 S("f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 + 1, Ar_5 + 1, Ar_7)) [ Ar_1 >= Ar_4 + 1 ]", 0-1) = 35 S("f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 + 1, Ar_5 + 1, Ar_7)) [ Ar_1 >= Ar_4 + 1 ]", 0-2) = ? S("f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 + 1, Ar_5 + 1, Ar_7)) [ Ar_1 >= Ar_4 + 1 ]", 0-3) = ? S("f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 + 1, Ar_5 + 1, Ar_7)) [ Ar_1 >= Ar_4 + 1 ]", 0-4) = ? S("f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 /\\ I >= J + 1 ]", 0-0) = 10 S("f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 /\\ I >= J + 1 ]", 0-1) = 35 S("f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 /\\ I >= J + 1 ]", 0-2) = ? S("f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 /\\ I >= J + 1 ]", 0-3) = ? S("f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 /\\ I >= J + 1 ]", 0-4) = ? S("f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 ]", 0-0) = 10 S("f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 ]", 0-1) = 35 S("f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 ]", 0-2) = ? S("f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 ]", 0-3) = ? S("f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 ]", 0-4) = ? S("f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 - 1, Ar_5 + 1, Ar_7)) [ Ar_7 >= Ar_4 ]", 0-0) = 10 S("f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 - 1, Ar_5 + 1, Ar_7)) [ Ar_7 >= Ar_4 ]", 0-1) = 35 S("f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 - 1, Ar_5 + 1, Ar_7)) [ Ar_7 >= Ar_4 ]", 0-2) = ? S("f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 - 1, Ar_5 + 1, Ar_7)) [ Ar_7 >= Ar_4 ]", 0-3) = ? S("f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 - 1, Ar_5 + 1, Ar_7)) [ Ar_7 >= Ar_4 ]", 0-4) = ? S("f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f48(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_5 >= Ar_0 ]", 0-0) = 10 S("f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f48(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_5 >= Ar_0 ]", 0-1) = 35 S("f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f48(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_5 >= Ar_0 ]", 0-2) = ? S("f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f48(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_5 >= Ar_0 ]", 0-3) = ? S("f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f48(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_5 >= Ar_0 ]", 0-4) = ? S("koat_start(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ 0 <= 0 ]", 0-0) = Ar_0 S("koat_start(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ 0 <= 0 ]", 0-1) = Ar_1 S("koat_start(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ 0 <= 0 ]", 0-2) = Ar_4 S("koat_start(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ 0 <= 0 ]", 0-3) = Ar_5 S("koat_start(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ 0 <= 0 ]", 0-4) = Ar_7 orients the transitions f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 + 1, Ar_5 + 1, Ar_7)) [ Ar_1 >= Ar_4 + 1 ] f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4, Ar_5 + 1, Ar_7)) [ Ar_4 >= Ar_1 ] f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 /\ I >= J + 1 ] f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 ] f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7 + 1)) [ Ar_4 >= Ar_7 + 1 ] f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 - 1, Ar_5 + 1, Ar_7)) [ Ar_7 >= Ar_4 ] weakly and the transitions f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 + 1, Ar_5 + 1, Ar_7)) [ Ar_1 >= Ar_4 + 1 ] f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4, Ar_5 + 1, Ar_7)) [ Ar_4 >= Ar_1 ] f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 /\ I >= J + 1 ] f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 ] f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 - 1, Ar_5 + 1, Ar_7)) [ Ar_7 >= Ar_4 ] strictly and produces the following problem: 6: T: (Comp: 1, Cost: 0) koat_start(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ 0 <= 0 ] (Comp: 1, Cost: 1) f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f48(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_5 >= Ar_0 ] (Comp: 60, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 - 1, Ar_5 + 1, Ar_7)) [ Ar_7 >= Ar_4 ] (Comp: 60, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 ] (Comp: 60, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 >= Ar_4 /\ I >= J + 1 ] (Comp: 60, Cost: 1) f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 + 1, Ar_5 + 1, Ar_7)) [ Ar_1 >= Ar_4 + 1 ] (Comp: 60, Cost: 1) f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4, Ar_5 + 1, Ar_7)) [ Ar_4 >= Ar_1 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7 + 1)) [ Ar_4 >= Ar_7 + 1 ] (Comp: 30, Cost: 1) f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, 1)) [ Ar_0 >= Ar_5 + 1 ] (Comp: 1, Cost: 1) f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(10, 35, Fresh_2, 0, Ar_7)) start location: koat_start leaf cost: 0 Applied AI with 'oct' on problem 6 to obtain the following invariants: For symbol f15: X_4 >= 0 /\ X_2 + X_4 - 35 >= 0 /\ -X_2 + X_4 + 35 >= 0 /\ X_1 + X_4 - 10 >= 0 /\ -X_1 + X_4 + 10 >= 0 /\ -X_2 + 35 >= 0 /\ X_1 - X_2 + 25 >= 0 /\ -X_1 - X_2 + 45 >= 0 /\ X_2 - 35 >= 0 /\ X_1 + X_2 - 45 >= 0 /\ -X_1 + X_2 - 25 >= 0 /\ -X_1 + 10 >= 0 /\ X_1 - 10 >= 0 For symbol f25: X_5 - 1 >= 0 /\ X_4 + X_5 - 1 >= 0 /\ -X_4 + X_5 + 8 >= 0 /\ X_2 + X_5 - 36 >= 0 /\ -X_2 + X_5 + 34 >= 0 /\ X_1 + X_5 - 11 >= 0 /\ -X_1 + X_5 + 9 >= 0 /\ -X_4 + 9 >= 0 /\ X_2 - X_4 - 26 >= 0 /\ -X_2 - X_4 + 44 >= 0 /\ X_1 - X_4 - 1 >= 0 /\ -X_1 - X_4 + 19 >= 0 /\ X_4 >= 0 /\ X_2 + X_4 - 35 >= 0 /\ -X_2 + X_4 + 35 >= 0 /\ X_1 + X_4 - 10 >= 0 /\ -X_1 + X_4 + 10 >= 0 /\ -X_2 + 35 >= 0 /\ X_1 - X_2 + 25 >= 0 /\ -X_1 - X_2 + 45 >= 0 /\ X_2 - 35 >= 0 /\ X_1 + X_2 - 45 >= 0 /\ -X_1 + X_2 - 25 >= 0 /\ -X_1 + 10 >= 0 /\ X_1 - 10 >= 0 For symbol f41: X_5 - 1 >= 0 /\ X_4 + X_5 - 1 >= 0 /\ -X_4 + X_5 + 8 >= 0 /\ -X_3 + X_5 >= 0 /\ X_2 + X_5 - 36 >= 0 /\ -X_2 + X_5 + 34 >= 0 /\ X_1 + X_5 - 11 >= 0 /\ -X_1 + X_5 + 9 >= 0 /\ -X_4 + 9 >= 0 /\ X_2 - X_4 - 26 >= 0 /\ -X_2 - X_4 + 44 >= 0 /\ X_1 - X_4 - 1 >= 0 /\ -X_1 - X_4 + 19 >= 0 /\ X_4 >= 0 /\ X_2 + X_4 - 35 >= 0 /\ -X_2 + X_4 + 35 >= 0 /\ X_1 + X_4 - 10 >= 0 /\ -X_1 + X_4 + 10 >= 0 /\ -X_2 + 35 >= 0 /\ X_1 - X_2 + 25 >= 0 /\ -X_1 - X_2 + 45 >= 0 /\ X_2 - 35 >= 0 /\ X_1 + X_2 - 45 >= 0 /\ -X_1 + X_2 - 25 >= 0 /\ -X_1 + 10 >= 0 /\ X_1 - 10 >= 0 This yielded the following problem: 7: T: (Comp: 1, Cost: 1) f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(10, 35, Fresh_2, 0, Ar_7)) (Comp: 30, Cost: 1) f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, 1)) [ Ar_5 >= 0 /\ Ar_1 + Ar_5 - 35 >= 0 /\ -Ar_1 + Ar_5 + 35 >= 0 /\ Ar_0 + Ar_5 - 10 >= 0 /\ -Ar_0 + Ar_5 + 10 >= 0 /\ -Ar_1 + 35 >= 0 /\ Ar_0 - Ar_1 + 25 >= 0 /\ -Ar_0 - Ar_1 + 45 >= 0 /\ Ar_1 - 35 >= 0 /\ Ar_0 + Ar_1 - 45 >= 0 /\ -Ar_0 + Ar_1 - 25 >= 0 /\ -Ar_0 + 10 >= 0 /\ Ar_0 - 10 >= 0 /\ Ar_0 >= Ar_5 + 1 ] (Comp: ?, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7 + 1)) [ Ar_7 - 1 >= 0 /\ Ar_5 + Ar_7 - 1 >= 0 /\ -Ar_5 + Ar_7 + 8 >= 0 /\ Ar_1 + Ar_7 - 36 >= 0 /\ -Ar_1 + Ar_7 + 34 >= 0 /\ Ar_0 + Ar_7 - 11 >= 0 /\ -Ar_0 + Ar_7 + 9 >= 0 /\ -Ar_5 + 9 >= 0 /\ Ar_1 - Ar_5 - 26 >= 0 /\ -Ar_1 - Ar_5 + 44 >= 0 /\ Ar_0 - Ar_5 - 1 >= 0 /\ -Ar_0 - Ar_5 + 19 >= 0 /\ Ar_5 >= 0 /\ Ar_1 + Ar_5 - 35 >= 0 /\ -Ar_1 + Ar_5 + 35 >= 0 /\ Ar_0 + Ar_5 - 10 >= 0 /\ -Ar_0 + Ar_5 + 10 >= 0 /\ -Ar_1 + 35 >= 0 /\ Ar_0 - Ar_1 + 25 >= 0 /\ -Ar_0 - Ar_1 + 45 >= 0 /\ Ar_1 - 35 >= 0 /\ Ar_0 + Ar_1 - 45 >= 0 /\ -Ar_0 + Ar_1 - 25 >= 0 /\ -Ar_0 + 10 >= 0 /\ Ar_0 - 10 >= 0 /\ Ar_4 >= Ar_7 + 1 ] (Comp: 60, Cost: 1) f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4, Ar_5 + 1, Ar_7)) [ Ar_7 - 1 >= 0 /\ Ar_5 + Ar_7 - 1 >= 0 /\ -Ar_5 + Ar_7 + 8 >= 0 /\ -Ar_4 + Ar_7 >= 0 /\ Ar_1 + Ar_7 - 36 >= 0 /\ -Ar_1 + Ar_7 + 34 >= 0 /\ Ar_0 + Ar_7 - 11 >= 0 /\ -Ar_0 + Ar_7 + 9 >= 0 /\ -Ar_5 + 9 >= 0 /\ Ar_1 - Ar_5 - 26 >= 0 /\ -Ar_1 - Ar_5 + 44 >= 0 /\ Ar_0 - Ar_5 - 1 >= 0 /\ -Ar_0 - Ar_5 + 19 >= 0 /\ Ar_5 >= 0 /\ Ar_1 + Ar_5 - 35 >= 0 /\ -Ar_1 + Ar_5 + 35 >= 0 /\ Ar_0 + Ar_5 - 10 >= 0 /\ -Ar_0 + Ar_5 + 10 >= 0 /\ -Ar_1 + 35 >= 0 /\ Ar_0 - Ar_1 + 25 >= 0 /\ -Ar_0 - Ar_1 + 45 >= 0 /\ Ar_1 - 35 >= 0 /\ Ar_0 + Ar_1 - 45 >= 0 /\ -Ar_0 + Ar_1 - 25 >= 0 /\ -Ar_0 + 10 >= 0 /\ Ar_0 - 10 >= 0 /\ Ar_4 >= Ar_1 ] (Comp: 60, Cost: 1) f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 + 1, Ar_5 + 1, Ar_7)) [ Ar_7 - 1 >= 0 /\ Ar_5 + Ar_7 - 1 >= 0 /\ -Ar_5 + Ar_7 + 8 >= 0 /\ -Ar_4 + Ar_7 >= 0 /\ Ar_1 + Ar_7 - 36 >= 0 /\ -Ar_1 + Ar_7 + 34 >= 0 /\ Ar_0 + Ar_7 - 11 >= 0 /\ -Ar_0 + Ar_7 + 9 >= 0 /\ -Ar_5 + 9 >= 0 /\ Ar_1 - Ar_5 - 26 >= 0 /\ -Ar_1 - Ar_5 + 44 >= 0 /\ Ar_0 - Ar_5 - 1 >= 0 /\ -Ar_0 - Ar_5 + 19 >= 0 /\ Ar_5 >= 0 /\ Ar_1 + Ar_5 - 35 >= 0 /\ -Ar_1 + Ar_5 + 35 >= 0 /\ Ar_0 + Ar_5 - 10 >= 0 /\ -Ar_0 + Ar_5 + 10 >= 0 /\ -Ar_1 + 35 >= 0 /\ Ar_0 - Ar_1 + 25 >= 0 /\ -Ar_0 - Ar_1 + 45 >= 0 /\ Ar_1 - 35 >= 0 /\ Ar_0 + Ar_1 - 45 >= 0 /\ -Ar_0 + Ar_1 - 25 >= 0 /\ -Ar_0 + 10 >= 0 /\ Ar_0 - 10 >= 0 /\ Ar_1 >= Ar_4 + 1 ] (Comp: 60, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 - 1 >= 0 /\ Ar_5 + Ar_7 - 1 >= 0 /\ -Ar_5 + Ar_7 + 8 >= 0 /\ Ar_1 + Ar_7 - 36 >= 0 /\ -Ar_1 + Ar_7 + 34 >= 0 /\ Ar_0 + Ar_7 - 11 >= 0 /\ -Ar_0 + Ar_7 + 9 >= 0 /\ -Ar_5 + 9 >= 0 /\ Ar_1 - Ar_5 - 26 >= 0 /\ -Ar_1 - Ar_5 + 44 >= 0 /\ Ar_0 - Ar_5 - 1 >= 0 /\ -Ar_0 - Ar_5 + 19 >= 0 /\ Ar_5 >= 0 /\ Ar_1 + Ar_5 - 35 >= 0 /\ -Ar_1 + Ar_5 + 35 >= 0 /\ Ar_0 + Ar_5 - 10 >= 0 /\ -Ar_0 + Ar_5 + 10 >= 0 /\ -Ar_1 + 35 >= 0 /\ Ar_0 - Ar_1 + 25 >= 0 /\ -Ar_0 - Ar_1 + 45 >= 0 /\ Ar_1 - 35 >= 0 /\ Ar_0 + Ar_1 - 45 >= 0 /\ -Ar_0 + Ar_1 - 25 >= 0 /\ -Ar_0 + 10 >= 0 /\ Ar_0 - 10 >= 0 /\ Ar_7 >= Ar_4 /\ I >= J + 1 ] (Comp: 60, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f41(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_7 - 1 >= 0 /\ Ar_5 + Ar_7 - 1 >= 0 /\ -Ar_5 + Ar_7 + 8 >= 0 /\ Ar_1 + Ar_7 - 36 >= 0 /\ -Ar_1 + Ar_7 + 34 >= 0 /\ Ar_0 + Ar_7 - 11 >= 0 /\ -Ar_0 + Ar_7 + 9 >= 0 /\ -Ar_5 + 9 >= 0 /\ Ar_1 - Ar_5 - 26 >= 0 /\ -Ar_1 - Ar_5 + 44 >= 0 /\ Ar_0 - Ar_5 - 1 >= 0 /\ -Ar_0 - Ar_5 + 19 >= 0 /\ Ar_5 >= 0 /\ Ar_1 + Ar_5 - 35 >= 0 /\ -Ar_1 + Ar_5 + 35 >= 0 /\ Ar_0 + Ar_5 - 10 >= 0 /\ -Ar_0 + Ar_5 + 10 >= 0 /\ -Ar_1 + 35 >= 0 /\ Ar_0 - Ar_1 + 25 >= 0 /\ -Ar_0 - Ar_1 + 45 >= 0 /\ Ar_1 - 35 >= 0 /\ Ar_0 + Ar_1 - 45 >= 0 /\ -Ar_0 + Ar_1 - 25 >= 0 /\ -Ar_0 + 10 >= 0 /\ Ar_0 - 10 >= 0 /\ Ar_7 >= Ar_4 ] (Comp: 60, Cost: 1) f25(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f15(Ar_0, Ar_1, Ar_4 - 1, Ar_5 + 1, Ar_7)) [ Ar_7 - 1 >= 0 /\ Ar_5 + Ar_7 - 1 >= 0 /\ -Ar_5 + Ar_7 + 8 >= 0 /\ Ar_1 + Ar_7 - 36 >= 0 /\ -Ar_1 + Ar_7 + 34 >= 0 /\ Ar_0 + Ar_7 - 11 >= 0 /\ -Ar_0 + Ar_7 + 9 >= 0 /\ -Ar_5 + 9 >= 0 /\ Ar_1 - Ar_5 - 26 >= 0 /\ -Ar_1 - Ar_5 + 44 >= 0 /\ Ar_0 - Ar_5 - 1 >= 0 /\ -Ar_0 - Ar_5 + 19 >= 0 /\ Ar_5 >= 0 /\ Ar_1 + Ar_5 - 35 >= 0 /\ -Ar_1 + Ar_5 + 35 >= 0 /\ Ar_0 + Ar_5 - 10 >= 0 /\ -Ar_0 + Ar_5 + 10 >= 0 /\ -Ar_1 + 35 >= 0 /\ Ar_0 - Ar_1 + 25 >= 0 /\ -Ar_0 - Ar_1 + 45 >= 0 /\ Ar_1 - 35 >= 0 /\ Ar_0 + Ar_1 - 45 >= 0 /\ -Ar_0 + Ar_1 - 25 >= 0 /\ -Ar_0 + 10 >= 0 /\ Ar_0 - 10 >= 0 /\ Ar_7 >= Ar_4 ] (Comp: 1, Cost: 1) f15(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f48(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ Ar_5 >= 0 /\ Ar_1 + Ar_5 - 35 >= 0 /\ -Ar_1 + Ar_5 + 35 >= 0 /\ Ar_0 + Ar_5 - 10 >= 0 /\ -Ar_0 + Ar_5 + 10 >= 0 /\ -Ar_1 + 35 >= 0 /\ Ar_0 - Ar_1 + 25 >= 0 /\ -Ar_0 - Ar_1 + 45 >= 0 /\ Ar_1 - 35 >= 0 /\ Ar_0 + Ar_1 - 45 >= 0 /\ -Ar_0 + Ar_1 - 25 >= 0 /\ -Ar_0 + 10 >= 0 /\ Ar_0 - 10 >= 0 /\ Ar_5 >= Ar_0 ] (Comp: 1, Cost: 0) koat_start(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7) -> Com_1(f0(Ar_0, Ar_1, Ar_4, Ar_5, Ar_7)) [ 0 <= 0 ] start location: koat_start leaf cost: 0 Complexity upper bound ? Time: 6.286 sec (SMT: 6.052 sec)