NO ### Pre-processing the ITS problem ### Initial linear ITS problem Start location: __init 0: f1 -> f2 : arg1'=arg1P_1, arg2'=arg2P_1, [ arg1P_1==864 && arg2==arg2P_1 ], cost: 1 29: f2 -> f3 : arg1'=arg1P_30, arg2'=arg2P_30, [ arg1<=10 && arg1==arg1P_30 && arg2==arg2P_30 ], cost: 1 30: f2 -> f4 : arg1'=arg1P_31, arg2'=arg2P_31, [ arg1>10 && arg1==arg1P_31 && arg2==arg2P_31 ], cost: 1 1: f3 -> f6 : arg1'=arg1P_2, arg2'=arg2P_2, [ arg1==arg1P_2 && 0==arg2P_2 ], cost: 1 3: f6 -> f7 : arg1'=arg1P_4, arg2'=arg2P_4, [ arg2<100 && arg1==arg1P_4 && arg2==arg2P_4 ], cost: 1 5: f6 -> f9 : arg1'=arg1P_6, arg2'=arg2P_6, [ arg2>=100 && arg1==arg1P_6 && arg2==arg2P_6 ], cost: 1 2: f7 -> f8 : arg1'=arg1P_3, arg2'=arg2P_3, [ arg2P_3==1+arg2 && arg1==arg1P_3 ], cost: 1 4: f8 -> f6 : arg1'=arg1P_5, arg2'=arg2P_5, [ arg1==arg1P_5 && arg2==arg2P_5 ], cost: 1 31: f9 -> f5 : arg1'=arg1P_32, arg2'=arg2P_32, [ arg1==arg1P_32 && arg2==arg2P_32 ], cost: 1 6: f10 -> f13 : arg1'=arg1P_7, arg2'=arg2P_7, [ arg1==arg1P_7 && 0==arg2P_7 ], cost: 1 8: f13 -> f14 : arg1'=arg1P_9, arg2'=arg2P_9, [ arg2<101 && arg1==arg1P_9 && arg2==arg2P_9 ], cost: 1 10: f13 -> f16 : arg1'=arg1P_11, arg2'=arg2P_11, [ arg2>=101 && arg1==arg1P_11 && arg2==arg2P_11 ], cost: 1 7: f14 -> f15 : arg1'=arg1P_8, arg2'=arg2P_8, [ arg2P_8==1+arg2 && arg1==arg1P_8 ], cost: 1 9: f15 -> f13 : arg1'=arg1P_10, arg2'=arg2P_10, [ arg1==arg1P_10 && arg2==arg2P_10 ], cost: 1 13: f16 -> f12 : arg1'=arg1P_14, arg2'=arg2P_14, [ arg1==arg1P_14 && arg2==arg2P_14 ], cost: 1 11: f4 -> f10 : arg1'=arg1P_12, arg2'=arg2P_12, [ arg1<=50 && arg1==arg1P_12 && arg2==arg2P_12 ], cost: 1 12: f4 -> f11 : arg1'=arg1P_13, arg2'=arg2P_13, [ arg1>50 && arg1==arg1P_13 && arg2==arg2P_13 ], cost: 1 14: f11 -> f12 : arg1'=arg1P_15, arg2'=arg2P_15, [ arg1==arg1P_15 && arg2==arg2P_15 ], cost: 1 25: f12 -> f17 : arg1'=arg1P_26, arg2'=arg2P_26, [ arg1<=100 && arg1==arg1P_26 && arg2==arg2P_26 ], cost: 1 26: f12 -> f18 : arg1'=arg1P_27, arg2'=arg2P_27, [ arg1>100 && arg1==arg1P_27 && arg2==arg2P_27 ], cost: 1 15: f17 -> f20 : arg1'=arg1P_16, arg2'=arg2P_16, [ arg1==arg1P_16 && 0==arg2P_16 ], cost: 1 17: f20 -> f21 : arg1'=arg1P_18, arg2'=arg2P_18, [ arg2<102 && arg1==arg1P_18 && arg2==arg2P_18 ], cost: 1 19: f20 -> f23 : arg1'=arg1P_20, arg2'=arg2P_20, [ arg2>=102 && arg1==arg1P_20 && arg2==arg2P_20 ], cost: 1 16: f21 -> f22 : arg1'=arg1P_17, arg2'=arg2P_17, [ arg2P_17==1+arg2 && arg1==arg1P_17 ], cost: 1 18: f22 -> f20 : arg1'=arg1P_19, arg2'=arg2P_19, [ arg1==arg1P_19 && arg2==arg2P_19 ], cost: 1 27: f23 -> f19 : arg1'=arg1P_28, arg2'=arg2P_28, [ arg1==arg1P_28 && arg2==arg2P_28 ], cost: 1 20: f18 -> f24 : arg1'=arg1P_21, arg2'=arg2P_21, [ arg1==arg1P_21 && 0==arg2P_21 ], cost: 1 22: f24 -> f25 : arg1'=arg1P_23, arg2'=arg2P_23, [ arg2<103 && arg1==arg1P_23 && arg2==arg2P_23 ], cost: 1 24: f24 -> f27 : arg1'=arg1P_25, arg2'=arg2P_25, [ arg2>=103 && arg1==arg1P_25 && arg2==arg2P_25 ], cost: 1 21: f25 -> f26 : arg1'=arg1P_22, arg2'=arg2P_22, [ arg2P_22==arg2 && arg1==arg1P_22 ], cost: 1 23: f26 -> f24 : arg1'=arg1P_24, arg2'=arg2P_24, [ arg1==arg1P_24 && arg2==arg2P_24 ], cost: 1 28: f27 -> f19 : arg1'=arg1P_29, arg2'=arg2P_29, [ arg1==arg1P_29 && arg2==arg2P_29 ], cost: 1 32: f19 -> f5 : arg1'=arg1P_33, arg2'=arg2P_33, [ arg1==arg1P_33 && arg2==arg2P_33 ], cost: 1 33: __init -> f1 : arg1'=arg1P_34, arg2'=arg2P_34, [], cost: 1 Checking for constant complexity: The following rule is satisfiable with cost >= 1, yielding constant complexity: 33: __init -> f1 : arg1'=arg1P_34, arg2'=arg2P_34, [], cost: 1 Removed unreachable and leaf rules: Start location: __init 0: f1 -> f2 : arg1'=arg1P_1, arg2'=arg2P_1, [ arg1P_1==864 && arg2==arg2P_1 ], cost: 1 29: f2 -> f3 : arg1'=arg1P_30, arg2'=arg2P_30, [ arg1<=10 && arg1==arg1P_30 && arg2==arg2P_30 ], cost: 1 30: f2 -> f4 : arg1'=arg1P_31, arg2'=arg2P_31, [ arg1>10 && arg1==arg1P_31 && arg2==arg2P_31 ], cost: 1 1: f3 -> f6 : arg1'=arg1P_2, arg2'=arg2P_2, [ arg1==arg1P_2 && 0==arg2P_2 ], cost: 1 3: f6 -> f7 : arg1'=arg1P_4, arg2'=arg2P_4, [ arg2<100 && arg1==arg1P_4 && arg2==arg2P_4 ], cost: 1 2: f7 -> f8 : arg1'=arg1P_3, arg2'=arg2P_3, [ arg2P_3==1+arg2 && arg1==arg1P_3 ], cost: 1 4: f8 -> f6 : arg1'=arg1P_5, arg2'=arg2P_5, [ arg1==arg1P_5 && arg2==arg2P_5 ], cost: 1 6: f10 -> f13 : arg1'=arg1P_7, arg2'=arg2P_7, [ arg1==arg1P_7 && 0==arg2P_7 ], cost: 1 8: f13 -> f14 : arg1'=arg1P_9, arg2'=arg2P_9, [ arg2<101 && arg1==arg1P_9 && arg2==arg2P_9 ], cost: 1 10: f13 -> f16 : arg1'=arg1P_11, arg2'=arg2P_11, [ arg2>=101 && arg1==arg1P_11 && arg2==arg2P_11 ], cost: 1 7: f14 -> f15 : arg1'=arg1P_8, arg2'=arg2P_8, [ arg2P_8==1+arg2 && arg1==arg1P_8 ], cost: 1 9: f15 -> f13 : arg1'=arg1P_10, arg2'=arg2P_10, [ arg1==arg1P_10 && arg2==arg2P_10 ], cost: 1 13: f16 -> f12 : arg1'=arg1P_14, arg2'=arg2P_14, [ arg1==arg1P_14 && arg2==arg2P_14 ], cost: 1 11: f4 -> f10 : arg1'=arg1P_12, arg2'=arg2P_12, [ arg1<=50 && arg1==arg1P_12 && arg2==arg2P_12 ], cost: 1 12: f4 -> f11 : arg1'=arg1P_13, arg2'=arg2P_13, [ arg1>50 && arg1==arg1P_13 && arg2==arg2P_13 ], cost: 1 14: f11 -> f12 : arg1'=arg1P_15, arg2'=arg2P_15, [ arg1==arg1P_15 && arg2==arg2P_15 ], cost: 1 25: f12 -> f17 : arg1'=arg1P_26, arg2'=arg2P_26, [ arg1<=100 && arg1==arg1P_26 && arg2==arg2P_26 ], cost: 1 26: f12 -> f18 : arg1'=arg1P_27, arg2'=arg2P_27, [ arg1>100 && arg1==arg1P_27 && arg2==arg2P_27 ], cost: 1 15: f17 -> f20 : arg1'=arg1P_16, arg2'=arg2P_16, [ arg1==arg1P_16 && 0==arg2P_16 ], cost: 1 17: f20 -> f21 : arg1'=arg1P_18, arg2'=arg2P_18, [ arg2<102 && arg1==arg1P_18 && arg2==arg2P_18 ], cost: 1 16: f21 -> f22 : arg1'=arg1P_17, arg2'=arg2P_17, [ arg2P_17==1+arg2 && arg1==arg1P_17 ], cost: 1 18: f22 -> f20 : arg1'=arg1P_19, arg2'=arg2P_19, [ arg1==arg1P_19 && arg2==arg2P_19 ], cost: 1 20: f18 -> f24 : arg1'=arg1P_21, arg2'=arg2P_21, [ arg1==arg1P_21 && 0==arg2P_21 ], cost: 1 22: f24 -> f25 : arg1'=arg1P_23, arg2'=arg2P_23, [ arg2<103 && arg1==arg1P_23 && arg2==arg2P_23 ], cost: 1 21: f25 -> f26 : arg1'=arg1P_22, arg2'=arg2P_22, [ arg2P_22==arg2 && arg1==arg1P_22 ], cost: 1 23: f26 -> f24 : arg1'=arg1P_24, arg2'=arg2P_24, [ arg1==arg1P_24 && arg2==arg2P_24 ], cost: 1 33: __init -> f1 : arg1'=arg1P_34, arg2'=arg2P_34, [], cost: 1 Simplified all rules, resulting in: Start location: __init 0: f1 -> f2 : arg1'=864, [], cost: 1 29: f2 -> f3 : [ arg1<=10 ], cost: 1 30: f2 -> f4 : [ arg1>10 ], cost: 1 1: f3 -> f6 : arg2'=0, [], cost: 1 3: f6 -> f7 : [ arg2<100 ], cost: 1 2: f7 -> f8 : arg2'=1+arg2, [], cost: 1 4: f8 -> f6 : [], cost: 1 6: f10 -> f13 : arg2'=0, [], cost: 1 8: f13 -> f14 : [ arg2<101 ], cost: 1 10: f13 -> f16 : [ arg2>=101 ], cost: 1 7: f14 -> f15 : arg2'=1+arg2, [], cost: 1 9: f15 -> f13 : [], cost: 1 13: f16 -> f12 : [], cost: 1 11: f4 -> f10 : [ arg1<=50 ], cost: 1 12: f4 -> f11 : [ arg1>50 ], cost: 1 14: f11 -> f12 : [], cost: 1 25: f12 -> f17 : [ arg1<=100 ], cost: 1 26: f12 -> f18 : [ arg1>100 ], cost: 1 15: f17 -> f20 : arg2'=0, [], cost: 1 17: f20 -> f21 : [ arg2<102 ], cost: 1 16: f21 -> f22 : arg2'=1+arg2, [], cost: 1 18: f22 -> f20 : [], cost: 1 20: f18 -> f24 : arg2'=0, [], cost: 1 22: f24 -> f25 : [ arg2<103 ], cost: 1 21: f25 -> f26 : [], cost: 1 23: f26 -> f24 : [], cost: 1 33: __init -> f1 : arg1'=arg1P_34, arg2'=arg2P_34, [], cost: 1 ### Simplification by acceleration and chaining ### Eliminated locations (on linear paths): Start location: __init 30: f2 -> f4 : [ arg1>10 ], cost: 1 35: f2 -> f6 : arg2'=0, [ arg1<=10 ], cost: 2 37: f6 -> f6 : arg2'=1+arg2, [ arg2<100 ], cost: 3 41: f13 -> f12 : [ arg2>=101 ], cost: 2 42: f13 -> f13 : arg2'=1+arg2, [ arg2<101 ], cost: 3 38: f4 -> f13 : arg2'=0, [ arg1<=50 ], cost: 2 39: f4 -> f12 : [ arg1>50 ], cost: 2 43: f12 -> f20 : arg2'=0, [ arg1<=100 ], cost: 2 44: f12 -> f24 : arg2'=0, [ arg1>100 ], cost: 2 46: f20 -> f20 : arg2'=1+arg2, [ arg2<102 ], cost: 3 48: f24 -> f24 : [ arg2<103 ], cost: 3 34: __init -> f2 : arg1'=864, arg2'=arg2P_34, [], cost: 2 Accelerating simple loops of location 3. Accelerating the following rules: 37: f6 -> f6 : arg2'=1+arg2, [ arg2<100 ], cost: 3 Accelerated rule 37 with backward acceleration, yielding the new rule 49. [accelerate] Nesting with 1 inner and 1 outer candidates Removing the simple loops: 37. Accelerating simple loops of location 8. Accelerating the following rules: 42: f13 -> f13 : arg2'=1+arg2, [ arg2<101 ], cost: 3 Accelerated rule 42 with backward acceleration, yielding the new rule 50. [accelerate] Nesting with 1 inner and 1 outer candidates Removing the simple loops: 42. Accelerating simple loops of location 16. Accelerating the following rules: 46: f20 -> f20 : arg2'=1+arg2, [ arg2<102 ], cost: 3 Accelerated rule 46 with backward acceleration, yielding the new rule 51. [accelerate] Nesting with 1 inner and 1 outer candidates Removing the simple loops: 46. Accelerating simple loops of location 21. Accelerating the following rules: 48: f24 -> f24 : [ arg2<103 ], cost: 3 Accelerated rule 48 with non-termination, yielding the new rule 52. [accelerate] Nesting with 0 inner and 0 outer candidates Removing the simple loops: 48. Accelerated all simple loops using metering functions (where possible): Start location: __init 30: f2 -> f4 : [ arg1>10 ], cost: 1 35: f2 -> f6 : arg2'=0, [ arg1<=10 ], cost: 2 49: f6 -> f6 : arg2'=100, [ 100-arg2>=0 ], cost: 300-3*arg2 41: f13 -> f12 : [ arg2>=101 ], cost: 2 50: f13 -> f13 : arg2'=101, [ 101-arg2>=0 ], cost: 303-3*arg2 38: f4 -> f13 : arg2'=0, [ arg1<=50 ], cost: 2 39: f4 -> f12 : [ arg1>50 ], cost: 2 43: f12 -> f20 : arg2'=0, [ arg1<=100 ], cost: 2 44: f12 -> f24 : arg2'=0, [ arg1>100 ], cost: 2 51: f20 -> f20 : arg2'=102, [ 102-arg2>=0 ], cost: 306-3*arg2 52: f24 -> [31] : [ arg2<103 ], cost: NONTERM 34: __init -> f2 : arg1'=864, arg2'=arg2P_34, [], cost: 2 Chained accelerated rules (with incoming rules): Start location: __init 30: f2 -> f4 : [ arg1>10 ], cost: 1 35: f2 -> f6 : arg2'=0, [ arg1<=10 ], cost: 2 53: f2 -> f6 : arg2'=100, [ arg1<=10 ], cost: 302 41: f13 -> f12 : [ arg2>=101 ], cost: 2 38: f4 -> f13 : arg2'=0, [ arg1<=50 ], cost: 2 39: f4 -> f12 : [ arg1>50 ], cost: 2 54: f4 -> f13 : arg2'=101, [ arg1<=50 ], cost: 305 43: f12 -> f20 : arg2'=0, [ arg1<=100 ], cost: 2 44: f12 -> f24 : arg2'=0, [ arg1>100 ], cost: 2 55: f12 -> f20 : arg2'=102, [ arg1<=100 ], cost: 308 56: f12 -> [31] : [ arg1>100 ], cost: NONTERM 34: __init -> f2 : arg1'=864, arg2'=arg2P_34, [], cost: 2 Removed unreachable locations (and leaf rules with constant cost): Start location: __init 30: f2 -> f4 : [ arg1>10 ], cost: 1 41: f13 -> f12 : [ arg2>=101 ], cost: 2 38: f4 -> f13 : arg2'=0, [ arg1<=50 ], cost: 2 39: f4 -> f12 : [ arg1>50 ], cost: 2 54: f4 -> f13 : arg2'=101, [ arg1<=50 ], cost: 305 56: f12 -> [31] : [ arg1>100 ], cost: NONTERM 34: __init -> f2 : arg1'=864, arg2'=arg2P_34, [], cost: 2 Eliminated locations (on linear paths): Start location: __init 41: f13 -> f12 : [ arg2>=101 ], cost: 2 38: f4 -> f13 : arg2'=0, [ arg1<=50 ], cost: 2 39: f4 -> f12 : [ arg1>50 ], cost: 2 54: f4 -> f13 : arg2'=101, [ arg1<=50 ], cost: 305 56: f12 -> [31] : [ arg1>100 ], cost: NONTERM 57: __init -> f4 : arg1'=864, arg2'=arg2P_34, [], cost: 3 Eliminated locations (on tree-shaped paths): Start location: __init 41: f13 -> f12 : [ arg2>=101 ], cost: 2 56: f12 -> [31] : [ arg1>100 ], cost: NONTERM 58: __init -> f12 : arg1'=864, arg2'=arg2P_34, [], cost: 5 Applied pruning (of leafs and parallel rules): Start location: __init 56: f12 -> [31] : [ arg1>100 ], cost: NONTERM 58: __init -> f12 : arg1'=864, arg2'=arg2P_34, [], cost: 5 Eliminated locations (on linear paths): Start location: __init 59: __init -> [31] : [], cost: NONTERM ### Computing asymptotic complexity ### Fully simplified ITS problem Start location: __init 59: __init -> [31] : [], cost: NONTERM Computing asymptotic complexity for rule 59 Guard is satisfiable, yielding nontermination Resulting cost NONTERM has complexity: Nonterm Found new complexity Nonterm. Obtained the following overall complexity (w.r.t. the length of the input n): Complexity: Nonterm Cpx degree: Nonterm Solved cost: NONTERM Rule cost: NONTERM Rule guard: [] NO