/export/starexec/sandbox2/solver/bin/starexec_run_complexity /export/starexec/sandbox2/benchmark/theBenchmark.koat /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- WORST_CASE(Omega(n^1), O(n^1)) proof of /export/starexec/sandbox2/benchmark/theBenchmark.koat # AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(n^1, n^1). (0) CpxIntTrs (1) Koat Proof [FINISHED, 290 ms] (2) BOUNDS(1, n^1) (3) Loat Proof [FINISHED, 397 ms] (4) BOUNDS(n^1, INF) ---------------------------------------- (0) Obligation: Complexity Int TRS consisting of the following rules: start(A, B, C, D, E, F, G, H, I, J) -> Com_1(stop(A, B, C, D, 1, F, G, H, I, J)) :|: A >= 1 && B >= C + 1 && D >= B && D <= B && E >= F && E <= F && G >= C && G <= C && H >= I && H <= I && J >= A && J <= A start(A, B, C, D, E, F, G, H, I, J) -> Com_1(lbl71(A, B, C, 1 + D, 1, F, G, H, I, J)) :|: A >= 1 && C >= B && D >= B && D <= B && E >= F && E <= F && G >= C && G <= C && H >= I && H <= I && J >= A && J <= A start(A, B, C, D, E, F, G, H, I, J) -> Com_1(stop(A, B, C, D, -(1), F, G, H, I, J)) :|: B >= C + 1 && 0 >= A && D >= B && D <= B && E >= F && E <= F && G >= C && G <= C && H >= I && H <= I && J >= A && J <= A start(A, B, C, D, E, F, G, H, I, J) -> Com_1(lbl81(A, B, C, 1 + D, -(1), F, G, H, I, J)) :|: C >= B && 0 >= A && D >= B && D <= B && E >= F && E <= F && G >= C && G <= C && H >= I && H <= I && J >= A && J <= A lbl71(A, B, C, D, E, F, G, H, I, J) -> Com_1(stop(A, B, C, D, E, F, G, H, I, J)) :|: C >= B && A >= 1 && D >= C + 1 && D <= C + 1 && E >= 1 && E <= 1 && J >= A && J <= A && H >= I && H <= I && G >= C && G <= C lbl71(A, B, C, D, E, F, G, H, I, J) -> Com_1(lbl71(A, B, C, E + D, E, F, G, H, I, J)) :|: A >= 1 && C >= D && D >= B + 1 && C + 1 >= D && E >= 1 && E <= 1 && J >= A && J <= A && H >= I && H <= I && G >= C && G <= C lbl71(A, B, C, D, E, F, G, H, I, J) -> Com_1(lbl81(A, B, C, D - E, E, F, G, H, I, J)) :|: C >= D && 0 >= A && D >= B + 1 && C + 1 >= D && A >= 1 && E >= 1 && E <= 1 && J >= A && J <= A && H >= I && H <= I && G >= C && G <= C lbl81(A, B, C, D, E, F, G, H, I, J) -> Com_1(stop(A, B, C, D, E, F, G, H, I, J)) :|: 0 >= A && C >= B && D >= C + 1 && D <= C + 1 && E + 1 >= 0 && E + 1 <= 0 && J >= A && J <= A && H >= I && H <= I && G >= C && G <= C lbl81(A, B, C, D, E, F, G, H, I, J) -> Com_1(lbl71(A, B, C, E + D, E, F, G, H, I, J)) :|: A >= 1 && C >= D && 0 >= A && D >= B + 1 && C + 1 >= D && E + 1 >= 0 && E + 1 <= 0 && J >= A && J <= A && H >= I && H <= I && G >= C && G <= C lbl81(A, B, C, D, E, F, G, H, I, J) -> Com_1(lbl81(A, B, C, D - E, E, F, G, H, I, J)) :|: C >= D && 0 >= A && D >= B + 1 && C + 1 >= D && E + 1 >= 0 && E + 1 <= 0 && J >= A && J <= A && H >= I && H <= I && G >= C && G <= C start0(A, B, C, D, E, F, G, H, I, J) -> Com_1(start(A, B, C, B, F, F, C, I, I, A)) :|: TRUE The start-symbols are:[start0_10] ---------------------------------------- (1) Koat Proof (FINISHED) YES(?, 2*Ar_1 + 2*Ar_2 + 7) Initial complexity problem: 1: T: (Comp: ?, Cost: 1) start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, 1, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_0 >= 1 /\ Ar_1 >= Ar_2 + 1 /\ Ar_3 = Ar_1 /\ Ar_4 = Ar_5 /\ Ar_6 = Ar_2 /\ Ar_7 = Ar_8 /\ Ar_9 = Ar_0 ] (Comp: ?, Cost: 1) start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl71(Ar_0, Ar_1, Ar_2, Ar_3 + 1, 1, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_0 >= 1 /\ Ar_2 >= Ar_1 /\ Ar_3 = Ar_1 /\ Ar_4 = Ar_5 /\ Ar_6 = Ar_2 /\ Ar_7 = Ar_8 /\ Ar_9 = Ar_0 ] (Comp: ?, Cost: 1) start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, -1, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_1 >= Ar_2 + 1 /\ 0 >= Ar_0 /\ Ar_3 = Ar_1 /\ Ar_4 = Ar_5 /\ Ar_6 = Ar_2 /\ Ar_7 = Ar_8 /\ Ar_9 = Ar_0 ] (Comp: ?, Cost: 1) start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl81(Ar_0, Ar_1, Ar_2, Ar_3 + 1, -1, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_2 >= Ar_1 /\ 0 >= Ar_0 /\ Ar_3 = Ar_1 /\ Ar_4 = Ar_5 /\ Ar_6 = Ar_2 /\ Ar_7 = Ar_8 /\ Ar_9 = Ar_0 ] (Comp: ?, Cost: 1) lbl71(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_2 >= Ar_1 /\ Ar_0 >= 1 /\ Ar_3 = Ar_2 + 1 /\ Ar_4 = 1 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: ?, Cost: 1) lbl71(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl71(Ar_0, Ar_1, Ar_2, Ar_4 + Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_0 >= 1 /\ Ar_2 >= Ar_3 /\ Ar_3 >= Ar_1 + 1 /\ Ar_2 + 1 >= Ar_3 /\ Ar_4 = 1 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: ?, Cost: 1) lbl71(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl81(Ar_0, Ar_1, Ar_2, Ar_3 - Ar_4, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_2 >= Ar_3 /\ 0 >= Ar_0 /\ Ar_3 >= Ar_1 + 1 /\ Ar_2 + 1 >= Ar_3 /\ Ar_0 >= 1 /\ Ar_4 = 1 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: ?, Cost: 1) lbl81(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ 0 >= Ar_0 /\ Ar_2 >= Ar_1 /\ Ar_3 = Ar_2 + 1 /\ Ar_4 + 1 = 0 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: ?, Cost: 1) lbl81(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl71(Ar_0, Ar_1, Ar_2, Ar_4 + Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_0 >= 1 /\ Ar_2 >= Ar_3 /\ 0 >= Ar_0 /\ Ar_3 >= Ar_1 + 1 /\ Ar_2 + 1 >= Ar_3 /\ Ar_4 + 1 = 0 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: ?, Cost: 1) lbl81(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl81(Ar_0, Ar_1, Ar_2, Ar_3 - Ar_4, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_2 >= Ar_3 /\ 0 >= Ar_0 /\ Ar_3 >= Ar_1 + 1 /\ Ar_2 + 1 >= Ar_3 /\ Ar_4 + 1 = 0 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: ?, Cost: 1) start0(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(start(Ar_0, Ar_1, Ar_2, Ar_1, Ar_5, Ar_5, Ar_2, Ar_8, Ar_8, Ar_0)) (Comp: 1, Cost: 0) koat_start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(start0(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ 0 <= 0 ] start location: koat_start leaf cost: 0 Testing for reachability in the complexity graph removes the following transitions from problem 1: lbl71(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl81(Ar_0, Ar_1, Ar_2, Ar_3 - Ar_4, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_2 >= Ar_3 /\ 0 >= Ar_0 /\ Ar_3 >= Ar_1 + 1 /\ Ar_2 + 1 >= Ar_3 /\ Ar_0 >= 1 /\ Ar_4 = 1 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] lbl81(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl71(Ar_0, Ar_1, Ar_2, Ar_4 + Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_0 >= 1 /\ Ar_2 >= Ar_3 /\ 0 >= Ar_0 /\ Ar_3 >= Ar_1 + 1 /\ Ar_2 + 1 >= Ar_3 /\ Ar_4 + 1 = 0 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] We thus obtain the following problem: 2: T: (Comp: ?, Cost: 1) lbl81(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl81(Ar_0, Ar_1, Ar_2, Ar_3 - Ar_4, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_2 >= Ar_3 /\ 0 >= Ar_0 /\ Ar_3 >= Ar_1 + 1 /\ Ar_2 + 1 >= Ar_3 /\ Ar_4 + 1 = 0 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: ?, Cost: 1) lbl81(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ 0 >= Ar_0 /\ Ar_2 >= Ar_1 /\ Ar_3 = Ar_2 + 1 /\ Ar_4 + 1 = 0 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: ?, Cost: 1) lbl71(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl71(Ar_0, Ar_1, Ar_2, Ar_4 + Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_0 >= 1 /\ Ar_2 >= Ar_3 /\ Ar_3 >= Ar_1 + 1 /\ Ar_2 + 1 >= Ar_3 /\ Ar_4 = 1 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: ?, Cost: 1) lbl71(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_2 >= Ar_1 /\ Ar_0 >= 1 /\ Ar_3 = Ar_2 + 1 /\ Ar_4 = 1 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: ?, Cost: 1) start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl81(Ar_0, Ar_1, Ar_2, Ar_3 + 1, -1, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_2 >= Ar_1 /\ 0 >= Ar_0 /\ Ar_3 = Ar_1 /\ Ar_4 = Ar_5 /\ Ar_6 = Ar_2 /\ Ar_7 = Ar_8 /\ Ar_9 = Ar_0 ] (Comp: ?, Cost: 1) start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, -1, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_1 >= Ar_2 + 1 /\ 0 >= Ar_0 /\ Ar_3 = Ar_1 /\ Ar_4 = Ar_5 /\ Ar_6 = Ar_2 /\ Ar_7 = Ar_8 /\ Ar_9 = Ar_0 ] (Comp: ?, Cost: 1) start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl71(Ar_0, Ar_1, Ar_2, Ar_3 + 1, 1, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_0 >= 1 /\ Ar_2 >= Ar_1 /\ Ar_3 = Ar_1 /\ Ar_4 = Ar_5 /\ Ar_6 = Ar_2 /\ Ar_7 = Ar_8 /\ Ar_9 = Ar_0 ] (Comp: ?, Cost: 1) start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, 1, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_0 >= 1 /\ Ar_1 >= Ar_2 + 1 /\ Ar_3 = Ar_1 /\ Ar_4 = Ar_5 /\ Ar_6 = Ar_2 /\ Ar_7 = Ar_8 /\ Ar_9 = Ar_0 ] (Comp: ?, Cost: 1) start0(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(start(Ar_0, Ar_1, Ar_2, Ar_1, Ar_5, Ar_5, Ar_2, Ar_8, Ar_8, Ar_0)) (Comp: 1, Cost: 0) koat_start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(start0(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ 0 <= 0 ] start location: koat_start leaf cost: 0 Repeatedly propagating knowledge in problem 2 produces the following problem: 3: T: (Comp: ?, Cost: 1) lbl81(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl81(Ar_0, Ar_1, Ar_2, Ar_3 - Ar_4, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_2 >= Ar_3 /\ 0 >= Ar_0 /\ Ar_3 >= Ar_1 + 1 /\ Ar_2 + 1 >= Ar_3 /\ Ar_4 + 1 = 0 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: ?, Cost: 1) lbl81(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ 0 >= Ar_0 /\ Ar_2 >= Ar_1 /\ Ar_3 = Ar_2 + 1 /\ Ar_4 + 1 = 0 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: ?, Cost: 1) lbl71(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl71(Ar_0, Ar_1, Ar_2, Ar_4 + Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_0 >= 1 /\ Ar_2 >= Ar_3 /\ Ar_3 >= Ar_1 + 1 /\ Ar_2 + 1 >= Ar_3 /\ Ar_4 = 1 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: ?, Cost: 1) lbl71(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_2 >= Ar_1 /\ Ar_0 >= 1 /\ Ar_3 = Ar_2 + 1 /\ Ar_4 = 1 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: 1, Cost: 1) start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl81(Ar_0, Ar_1, Ar_2, Ar_3 + 1, -1, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_2 >= Ar_1 /\ 0 >= Ar_0 /\ Ar_3 = Ar_1 /\ Ar_4 = Ar_5 /\ Ar_6 = Ar_2 /\ Ar_7 = Ar_8 /\ Ar_9 = Ar_0 ] (Comp: 1, Cost: 1) start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, -1, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_1 >= Ar_2 + 1 /\ 0 >= Ar_0 /\ Ar_3 = Ar_1 /\ Ar_4 = Ar_5 /\ Ar_6 = Ar_2 /\ Ar_7 = Ar_8 /\ Ar_9 = Ar_0 ] (Comp: 1, Cost: 1) start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl71(Ar_0, Ar_1, Ar_2, Ar_3 + 1, 1, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_0 >= 1 /\ Ar_2 >= Ar_1 /\ Ar_3 = Ar_1 /\ Ar_4 = Ar_5 /\ Ar_6 = Ar_2 /\ Ar_7 = Ar_8 /\ Ar_9 = Ar_0 ] (Comp: 1, Cost: 1) start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, 1, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_0 >= 1 /\ Ar_1 >= Ar_2 + 1 /\ Ar_3 = Ar_1 /\ Ar_4 = Ar_5 /\ Ar_6 = Ar_2 /\ Ar_7 = Ar_8 /\ Ar_9 = Ar_0 ] (Comp: 1, Cost: 1) start0(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(start(Ar_0, Ar_1, Ar_2, Ar_1, Ar_5, Ar_5, Ar_2, Ar_8, Ar_8, Ar_0)) (Comp: 1, Cost: 0) koat_start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(start0(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ 0 <= 0 ] start location: koat_start leaf cost: 0 A polynomial rank function with Pol(lbl81) = 1 Pol(stop) = 0 Pol(lbl71) = 1 Pol(start) = 1 Pol(start0) = 1 Pol(koat_start) = 1 orients all transitions weakly and the transitions lbl81(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ 0 >= Ar_0 /\ Ar_2 >= Ar_1 /\ Ar_3 = Ar_2 + 1 /\ Ar_4 + 1 = 0 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] lbl71(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_2 >= Ar_1 /\ Ar_0 >= 1 /\ Ar_3 = Ar_2 + 1 /\ Ar_4 = 1 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] strictly and produces the following problem: 4: T: (Comp: ?, Cost: 1) lbl81(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl81(Ar_0, Ar_1, Ar_2, Ar_3 - Ar_4, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_2 >= Ar_3 /\ 0 >= Ar_0 /\ Ar_3 >= Ar_1 + 1 /\ Ar_2 + 1 >= Ar_3 /\ Ar_4 + 1 = 0 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: 1, Cost: 1) lbl81(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ 0 >= Ar_0 /\ Ar_2 >= Ar_1 /\ Ar_3 = Ar_2 + 1 /\ Ar_4 + 1 = 0 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: ?, Cost: 1) lbl71(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl71(Ar_0, Ar_1, Ar_2, Ar_4 + Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_0 >= 1 /\ Ar_2 >= Ar_3 /\ Ar_3 >= Ar_1 + 1 /\ Ar_2 + 1 >= Ar_3 /\ Ar_4 = 1 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: 1, Cost: 1) lbl71(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_2 >= Ar_1 /\ Ar_0 >= 1 /\ Ar_3 = Ar_2 + 1 /\ Ar_4 = 1 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: 1, Cost: 1) start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl81(Ar_0, Ar_1, Ar_2, Ar_3 + 1, -1, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_2 >= Ar_1 /\ 0 >= Ar_0 /\ Ar_3 = Ar_1 /\ Ar_4 = Ar_5 /\ Ar_6 = Ar_2 /\ Ar_7 = Ar_8 /\ Ar_9 = Ar_0 ] (Comp: 1, Cost: 1) start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, -1, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_1 >= Ar_2 + 1 /\ 0 >= Ar_0 /\ Ar_3 = Ar_1 /\ Ar_4 = Ar_5 /\ Ar_6 = Ar_2 /\ Ar_7 = Ar_8 /\ Ar_9 = Ar_0 ] (Comp: 1, Cost: 1) start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl71(Ar_0, Ar_1, Ar_2, Ar_3 + 1, 1, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_0 >= 1 /\ Ar_2 >= Ar_1 /\ Ar_3 = Ar_1 /\ Ar_4 = Ar_5 /\ Ar_6 = Ar_2 /\ Ar_7 = Ar_8 /\ Ar_9 = Ar_0 ] (Comp: 1, Cost: 1) start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, 1, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_0 >= 1 /\ Ar_1 >= Ar_2 + 1 /\ Ar_3 = Ar_1 /\ Ar_4 = Ar_5 /\ Ar_6 = Ar_2 /\ Ar_7 = Ar_8 /\ Ar_9 = Ar_0 ] (Comp: 1, Cost: 1) start0(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(start(Ar_0, Ar_1, Ar_2, Ar_1, Ar_5, Ar_5, Ar_2, Ar_8, Ar_8, Ar_0)) (Comp: 1, Cost: 0) koat_start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(start0(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ 0 <= 0 ] start location: koat_start leaf cost: 0 A polynomial rank function with Pol(lbl81) = -V_4 - V_5 + V_7 Pol(stop) = V_3 - V_4 Pol(lbl71) = -V_4 + V_7 + 1 Pol(start) = -V_2 + V_7 Pol(start0) = -V_2 + V_3 Pol(koat_start) = -V_2 + V_3 orients all transitions weakly and the transitions lbl81(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl81(Ar_0, Ar_1, Ar_2, Ar_3 - Ar_4, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_2 >= Ar_3 /\ 0 >= Ar_0 /\ Ar_3 >= Ar_1 + 1 /\ Ar_2 + 1 >= Ar_3 /\ Ar_4 + 1 = 0 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] lbl71(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl71(Ar_0, Ar_1, Ar_2, Ar_4 + Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_0 >= 1 /\ Ar_2 >= Ar_3 /\ Ar_3 >= Ar_1 + 1 /\ Ar_2 + 1 >= Ar_3 /\ Ar_4 = 1 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] strictly and produces the following problem: 5: T: (Comp: Ar_1 + Ar_2, Cost: 1) lbl81(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl81(Ar_0, Ar_1, Ar_2, Ar_3 - Ar_4, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_2 >= Ar_3 /\ 0 >= Ar_0 /\ Ar_3 >= Ar_1 + 1 /\ Ar_2 + 1 >= Ar_3 /\ Ar_4 + 1 = 0 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: 1, Cost: 1) lbl81(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ 0 >= Ar_0 /\ Ar_2 >= Ar_1 /\ Ar_3 = Ar_2 + 1 /\ Ar_4 + 1 = 0 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: Ar_1 + Ar_2, Cost: 1) lbl71(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl71(Ar_0, Ar_1, Ar_2, Ar_4 + Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_0 >= 1 /\ Ar_2 >= Ar_3 /\ Ar_3 >= Ar_1 + 1 /\ Ar_2 + 1 >= Ar_3 /\ Ar_4 = 1 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: 1, Cost: 1) lbl71(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_2 >= Ar_1 /\ Ar_0 >= 1 /\ Ar_3 = Ar_2 + 1 /\ Ar_4 = 1 /\ Ar_9 = Ar_0 /\ Ar_7 = Ar_8 /\ Ar_6 = Ar_2 ] (Comp: 1, Cost: 1) start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl81(Ar_0, Ar_1, Ar_2, Ar_3 + 1, -1, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_2 >= Ar_1 /\ 0 >= Ar_0 /\ Ar_3 = Ar_1 /\ Ar_4 = Ar_5 /\ Ar_6 = Ar_2 /\ Ar_7 = Ar_8 /\ Ar_9 = Ar_0 ] (Comp: 1, Cost: 1) start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, -1, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_1 >= Ar_2 + 1 /\ 0 >= Ar_0 /\ Ar_3 = Ar_1 /\ Ar_4 = Ar_5 /\ Ar_6 = Ar_2 /\ Ar_7 = Ar_8 /\ Ar_9 = Ar_0 ] (Comp: 1, Cost: 1) start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(lbl71(Ar_0, Ar_1, Ar_2, Ar_3 + 1, 1, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_0 >= 1 /\ Ar_2 >= Ar_1 /\ Ar_3 = Ar_1 /\ Ar_4 = Ar_5 /\ Ar_6 = Ar_2 /\ Ar_7 = Ar_8 /\ Ar_9 = Ar_0 ] (Comp: 1, Cost: 1) start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(stop(Ar_0, Ar_1, Ar_2, Ar_3, 1, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ Ar_0 >= 1 /\ Ar_1 >= Ar_2 + 1 /\ Ar_3 = Ar_1 /\ Ar_4 = Ar_5 /\ Ar_6 = Ar_2 /\ Ar_7 = Ar_8 /\ Ar_9 = Ar_0 ] (Comp: 1, Cost: 1) start0(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(start(Ar_0, Ar_1, Ar_2, Ar_1, Ar_5, Ar_5, Ar_2, Ar_8, Ar_8, Ar_0)) (Comp: 1, Cost: 0) koat_start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9) -> Com_1(start0(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6, Ar_7, Ar_8, Ar_9)) [ 0 <= 0 ] start location: koat_start leaf cost: 0 Complexity upper bound 2*Ar_1 + 2*Ar_2 + 7 Time: 0.330 sec (SMT: 0.251 sec) ---------------------------------------- (2) BOUNDS(1, n^1) ---------------------------------------- (3) Loat Proof (FINISHED) ### Pre-processing the ITS problem ### Initial linear ITS problem Start location: start0 0: start -> stop : E'=1, [ A>=1 && B>=1+C && D==B && E==F && G==C && H==Q && J==A ], cost: 1 1: start -> lbl71 : D'=1+D, E'=1, [ A>=1 && C>=B && D==B && E==F && G==C && H==Q && J==A ], cost: 1 2: start -> stop : E'=-1, [ B>=1+C && 0>=A && D==B && E==F && G==C && H==Q && J==A ], cost: 1 3: start -> lbl81 : D'=1+D, E'=-1, [ C>=B && 0>=A && D==B && E==F && G==C && H==Q && J==A ], cost: 1 4: lbl71 -> stop : [ C>=B && A>=1 && D==1+C && E==1 && J==A && H==Q && G==C ], cost: 1 5: lbl71 -> lbl71 : D'=D+E, [ A>=1 && C>=D && D>=1+B && 1+C>=D && E==1 && J==A && H==Q && G==C ], cost: 1 6: lbl71 -> lbl81 : D'=D-E, [ C>=D && 0>=A && D>=1+B && 1+C>=D && A>=1 && E==1 && J==A && H==Q && G==C ], cost: 1 7: lbl81 -> stop : [ 0>=A && C>=B && D==1+C && 1+E==0 && J==A && H==Q && G==C ], cost: 1 8: lbl81 -> lbl71 : D'=D+E, [ A>=1 && C>=D && 0>=A && D>=1+B && 1+C>=D && 1+E==0 && J==A && H==Q && G==C ], cost: 1 9: lbl81 -> lbl81 : D'=D-E, [ C>=D && 0>=A && D>=1+B && 1+C>=D && 1+E==0 && J==A && H==Q && G==C ], cost: 1 10: start0 -> start : D'=B, E'=F, G'=C, H'=Q, J'=A, [], cost: 1 Checking for constant complexity: The following rule is satisfiable with cost >= 1, yielding constant complexity: 10: start0 -> start : D'=B, E'=F, G'=C, H'=Q, J'=A, [], cost: 1 Removed unreachable and leaf rules: Start location: start0 1: start -> lbl71 : D'=1+D, E'=1, [ A>=1 && C>=B && D==B && E==F && G==C && H==Q && J==A ], cost: 1 3: start -> lbl81 : D'=1+D, E'=-1, [ C>=B && 0>=A && D==B && E==F && G==C && H==Q && J==A ], cost: 1 5: lbl71 -> lbl71 : D'=D+E, [ A>=1 && C>=D && D>=1+B && 1+C>=D && E==1 && J==A && H==Q && G==C ], cost: 1 6: lbl71 -> lbl81 : D'=D-E, [ C>=D && 0>=A && D>=1+B && 1+C>=D && A>=1 && E==1 && J==A && H==Q && G==C ], cost: 1 8: lbl81 -> lbl71 : D'=D+E, [ A>=1 && C>=D && 0>=A && D>=1+B && 1+C>=D && 1+E==0 && J==A && H==Q && G==C ], cost: 1 9: lbl81 -> lbl81 : D'=D-E, [ C>=D && 0>=A && D>=1+B && 1+C>=D && 1+E==0 && J==A && H==Q && G==C ], cost: 1 10: start0 -> start : D'=B, E'=F, G'=C, H'=Q, J'=A, [], cost: 1 Removed rules with unsatisfiable guard: Start location: start0 1: start -> lbl71 : D'=1+D, E'=1, [ A>=1 && C>=B && D==B && E==F && G==C && H==Q && J==A ], cost: 1 3: start -> lbl81 : D'=1+D, E'=-1, [ C>=B && 0>=A && D==B && E==F && G==C && H==Q && J==A ], cost: 1 5: lbl71 -> lbl71 : D'=D+E, [ A>=1 && C>=D && D>=1+B && 1+C>=D && E==1 && J==A && H==Q && G==C ], cost: 1 9: lbl81 -> lbl81 : D'=D-E, [ C>=D && 0>=A && D>=1+B && 1+C>=D && 1+E==0 && J==A && H==Q && G==C ], cost: 1 10: start0 -> start : D'=B, E'=F, G'=C, H'=Q, J'=A, [], cost: 1 Simplified all rules, resulting in: Start location: start0 1: start -> lbl71 : D'=1+D, E'=1, [ A>=1 && C>=B && D==B && E==F && G==C && H==Q && J==A ], cost: 1 3: start -> lbl81 : D'=1+D, E'=-1, [ C>=B && 0>=A && D==B && E==F && G==C && H==Q && J==A ], cost: 1 5: lbl71 -> lbl71 : D'=D+E, [ A>=1 && C>=D && D>=1+B && E==1 && J==A && H==Q && G==C ], cost: 1 9: lbl81 -> lbl81 : D'=D-E, [ C>=D && 0>=A && D>=1+B && 1+E==0 && J==A && H==Q && G==C ], cost: 1 10: start0 -> start : D'=B, E'=F, G'=C, H'=Q, J'=A, [], cost: 1 ### Simplification by acceleration and chaining ### Accelerating simple loops of location 1. Accelerating the following rules: 5: lbl71 -> lbl71 : D'=D+E, [ A>=1 && C>=D && D>=1+B && E==1 && J==A && H==Q && G==C ], cost: 1 Accelerated rule 5 with metering function 2+C-D-E, yielding the new rule 11. Removing the simple loops: 5. Accelerating simple loops of location 2. Accelerating the following rules: 9: lbl81 -> lbl81 : D'=D-E, [ C>=D && 0>=A && D>=1+B && 1+E==0 && J==A && H==Q && G==C ], cost: 1 Accelerated rule 9 with metering function C-D-E, yielding the new rule 12. Removing the simple loops: 9. Accelerated all simple loops using metering functions (where possible): Start location: start0 1: start -> lbl71 : D'=1+D, E'=1, [ A>=1 && C>=B && D==B && E==F && G==C && H==Q && J==A ], cost: 1 3: start -> lbl81 : D'=1+D, E'=-1, [ C>=B && 0>=A && D==B && E==F && G==C && H==Q && J==A ], cost: 1 11: lbl71 -> lbl71 : D'=(2+C-D-E)*E+D, [ A>=1 && C>=D && D>=1+B && E==1 && J==A && H==Q && G==C && 2+C-D-E>=1 ], cost: 2+C-D-E 12: lbl81 -> lbl81 : D'=D-(C-D-E)*E, [ C>=D && 0>=A && D>=1+B && 1+E==0 && J==A && H==Q && G==C && C-D-E>=1 ], cost: C-D-E 10: start0 -> start : D'=B, E'=F, G'=C, H'=Q, J'=A, [], cost: 1 Chained accelerated rules (with incoming rules): Start location: start0 1: start -> lbl71 : D'=1+D, E'=1, [ A>=1 && C>=B && D==B && E==F && G==C && H==Q && J==A ], cost: 1 3: start -> lbl81 : D'=1+D, E'=-1, [ C>=B && 0>=A && D==B && E==F && G==C && H==Q && J==A ], cost: 1 13: start -> lbl71 : D'=1+C, E'=1, [ A>=1 && C>=B && D==B && E==F && G==C && H==Q && J==A && C>=1+D ], cost: 1+C-D 14: start -> lbl81 : D'=1+C, E'=-1, [ C>=B && 0>=A && D==B && E==F && G==C && H==Q && J==A && C>=1+D ], cost: 1+C-D 10: start0 -> start : D'=B, E'=F, G'=C, H'=Q, J'=A, [], cost: 1 Removed unreachable locations (and leaf rules with constant cost): Start location: start0 13: start -> lbl71 : D'=1+C, E'=1, [ A>=1 && C>=B && D==B && E==F && G==C && H==Q && J==A && C>=1+D ], cost: 1+C-D 14: start -> lbl81 : D'=1+C, E'=-1, [ C>=B && 0>=A && D==B && E==F && G==C && H==Q && J==A && C>=1+D ], cost: 1+C-D 10: start0 -> start : D'=B, E'=F, G'=C, H'=Q, J'=A, [], cost: 1 Eliminated locations (on tree-shaped paths): Start location: start0 15: start0 -> lbl71 : D'=1+C, E'=1, G'=C, H'=Q, J'=A, [ A>=1 && C>=1+B ], cost: 2+C-B 16: start0 -> lbl81 : D'=1+C, E'=-1, G'=C, H'=Q, J'=A, [ 0>=A && C>=1+B ], cost: 2+C-B ### Computing asymptotic complexity ### Fully simplified ITS problem Start location: start0 15: start0 -> lbl71 : D'=1+C, E'=1, G'=C, H'=Q, J'=A, [ A>=1 && C>=1+B ], cost: 2+C-B 16: start0 -> lbl81 : D'=1+C, E'=-1, G'=C, H'=Q, J'=A, [ 0>=A && C>=1+B ], cost: 2+C-B Computing asymptotic complexity for rule 15 Solved the limit problem by the following transformations: Created initial limit problem: C-B (+/+!), 2+C-B (+), A (+/+!) [not solved] removing all constraints (solved by SMT) resulting limit problem: [solved] applying transformation rule (C) using substitution {C==0,A==n,B==-n} resulting limit problem: [solved] Solution: C / 0 A / n B / -n Resulting cost 2+n has complexity: Poly(n^1) Found new complexity Poly(n^1). Obtained the following overall complexity (w.r.t. the length of the input n): Complexity: Poly(n^1) Cpx degree: 1 Solved cost: 2+n Rule cost: 2+C-B Rule guard: [ A>=1 && C>=1+B ] WORST_CASE(Omega(n^1),?) ---------------------------------------- (4) BOUNDS(n^1, INF)