WORST_CASE(Omega(1),?) ### Pre-processing the ITS problem ### Initial linear ITS problem Start location: __init 0: f1 -> f2 : arg1'=arg1P_1, arg2'=arg2P_1, arg3'=arg3P_1, [ arg1==arg1P_1 && arg3==arg3P_1 ], cost: 1 1: f2 -> f3 : arg1'=arg1P_2, arg2'=arg2P_2, arg3'=arg3P_2, [ arg1==arg1P_2 && arg2==arg2P_2 ], cost: 1 3: f3 -> f4 : arg1'=arg1P_4, arg2'=arg2P_4, arg3'=arg3P_4, [ arg2<0 && arg1==arg1P_4 && arg2==arg2P_4 && arg3==arg3P_4 ], cost: 1 4: f3 -> f5 : arg1'=arg1P_5, arg2'=arg2P_5, arg3'=arg3P_5, [ arg2>=0 && arg1==arg1P_5 && arg2==arg2P_5 && arg3==arg3P_5 ], cost: 1 2: f4 -> f7 : arg1'=arg1P_3, arg2'=arg2P_3, arg3'=arg3P_3, [ arg2P_3==-arg2 && arg1==arg1P_3 && arg3==arg3P_3 ], cost: 1 5: f7 -> f6 : arg1'=arg1P_6, arg2'=arg2P_6, arg3'=arg3P_6, [ arg1==arg1P_6 && arg2==arg2P_6 && arg3==arg3P_6 ], cost: 1 6: f5 -> f6 : arg1'=arg1P_7, arg2'=arg2P_7, arg3'=arg3P_7, [ arg1==arg1P_7 && arg2==arg2P_7 && arg3==arg3P_7 ], cost: 1 8: f6 -> f8 : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=arg3P_9, [ arg3<0 && arg1==arg1P_9 && arg2==arg2P_9 && arg3==arg3P_9 ], cost: 1 9: f6 -> f9 : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_10, [ arg3>=0 && arg1==arg1P_10 && arg2==arg2P_10 && arg3==arg3P_10 ], cost: 1 7: f8 -> f11 : arg1'=arg1P_8, arg2'=arg2P_8, arg3'=arg3P_8, [ arg3P_8==-arg3 && arg1==arg1P_8 && arg2==arg2P_8 ], cost: 1 10: f11 -> f10 : arg1'=arg1P_11, arg2'=arg2P_11, arg3'=arg3P_11, [ arg1==arg1P_11 && arg2==arg2P_11 && arg3==arg3P_11 ], cost: 1 11: f9 -> f10 : arg1'=arg1P_12, arg2'=arg2P_12, arg3'=arg3P_12, [ arg1==arg1P_12 && arg2==arg2P_12 && arg3==arg3P_12 ], cost: 1 19: f10 -> f12 : arg1'=arg1P_20, arg2'=arg2P_20, arg3'=arg3P_20, [ arg3>0 && arg1==arg1P_20 && arg2==arg2P_20 && arg3==arg3P_20 ], cost: 1 21: f10 -> f19 : arg1'=arg1P_22, arg2'=arg2P_22, arg3'=arg3P_22, [ arg3<=0 && arg1==arg1P_22 && arg2==arg2P_22 && arg3==arg3P_22 ], cost: 1 12: f12 -> f13 : arg1'=arg1P_13, arg2'=arg2P_13, arg3'=arg3P_13, [ arg2==arg1P_13 && arg2==arg2P_13 && arg3==arg3P_13 ], cost: 1 14: f13 -> f14 : arg1'=arg1P_15, arg2'=arg2P_15, arg3'=arg3P_15, [ arg1>=arg3 && arg1==arg1P_15 && arg2==arg2P_15 && arg3==arg3P_15 ], cost: 1 16: f13 -> f16 : arg1'=arg1P_17, arg2'=arg2P_17, arg3'=arg3P_17, [ arg1 f15 : arg1'=arg1P_14, arg2'=arg2P_14, arg3'=arg3P_14, [ arg1P_14==-arg3+arg1 && arg2==arg2P_14 && arg3==arg3P_14 ], cost: 1 15: f15 -> f13 : arg1'=arg1P_16, arg2'=arg2P_16, arg3'=arg3P_16, [ arg1==arg1P_16 && arg2==arg2P_16 && arg3==arg3P_16 ], cost: 1 17: f16 -> f17 : arg1'=arg1P_18, arg2'=arg2P_18, arg3'=arg3P_18, [ arg1==arg1P_18 && arg3==arg2P_18 && arg3==arg3P_18 ], cost: 1 18: f17 -> f18 : arg1'=arg1P_19, arg2'=arg2P_19, arg3'=arg3P_19, [ arg1==arg1P_19 && arg2==arg2P_19 && arg1==arg3P_19 ], cost: 1 20: f18 -> f10 : arg1'=arg1P_21, arg2'=arg2P_21, arg3'=arg3P_21, [ arg1==arg1P_21 && arg2==arg2P_21 && arg3==arg3P_21 ], cost: 1 22: __init -> f1 : arg1'=arg1P_23, arg2'=arg2P_23, arg3'=arg3P_23, [], cost: 1 Checking for constant complexity: The following rule is satisfiable with cost >= 1, yielding constant complexity: 22: __init -> f1 : arg1'=arg1P_23, arg2'=arg2P_23, arg3'=arg3P_23, [], cost: 1 Removed unreachable and leaf rules: Start location: __init 0: f1 -> f2 : arg1'=arg1P_1, arg2'=arg2P_1, arg3'=arg3P_1, [ arg1==arg1P_1 && arg3==arg3P_1 ], cost: 1 1: f2 -> f3 : arg1'=arg1P_2, arg2'=arg2P_2, arg3'=arg3P_2, [ arg1==arg1P_2 && arg2==arg2P_2 ], cost: 1 3: f3 -> f4 : arg1'=arg1P_4, arg2'=arg2P_4, arg3'=arg3P_4, [ arg2<0 && arg1==arg1P_4 && arg2==arg2P_4 && arg3==arg3P_4 ], cost: 1 4: f3 -> f5 : arg1'=arg1P_5, arg2'=arg2P_5, arg3'=arg3P_5, [ arg2>=0 && arg1==arg1P_5 && arg2==arg2P_5 && arg3==arg3P_5 ], cost: 1 2: f4 -> f7 : arg1'=arg1P_3, arg2'=arg2P_3, arg3'=arg3P_3, [ arg2P_3==-arg2 && arg1==arg1P_3 && arg3==arg3P_3 ], cost: 1 5: f7 -> f6 : arg1'=arg1P_6, arg2'=arg2P_6, arg3'=arg3P_6, [ arg1==arg1P_6 && arg2==arg2P_6 && arg3==arg3P_6 ], cost: 1 6: f5 -> f6 : arg1'=arg1P_7, arg2'=arg2P_7, arg3'=arg3P_7, [ arg1==arg1P_7 && arg2==arg2P_7 && arg3==arg3P_7 ], cost: 1 8: f6 -> f8 : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=arg3P_9, [ arg3<0 && arg1==arg1P_9 && arg2==arg2P_9 && arg3==arg3P_9 ], cost: 1 9: f6 -> f9 : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_10, [ arg3>=0 && arg1==arg1P_10 && arg2==arg2P_10 && arg3==arg3P_10 ], cost: 1 7: f8 -> f11 : arg1'=arg1P_8, arg2'=arg2P_8, arg3'=arg3P_8, [ arg3P_8==-arg3 && arg1==arg1P_8 && arg2==arg2P_8 ], cost: 1 10: f11 -> f10 : arg1'=arg1P_11, arg2'=arg2P_11, arg3'=arg3P_11, [ arg1==arg1P_11 && arg2==arg2P_11 && arg3==arg3P_11 ], cost: 1 11: f9 -> f10 : arg1'=arg1P_12, arg2'=arg2P_12, arg3'=arg3P_12, [ arg1==arg1P_12 && arg2==arg2P_12 && arg3==arg3P_12 ], cost: 1 19: f10 -> f12 : arg1'=arg1P_20, arg2'=arg2P_20, arg3'=arg3P_20, [ arg3>0 && arg1==arg1P_20 && arg2==arg2P_20 && arg3==arg3P_20 ], cost: 1 12: f12 -> f13 : arg1'=arg1P_13, arg2'=arg2P_13, arg3'=arg3P_13, [ arg2==arg1P_13 && arg2==arg2P_13 && arg3==arg3P_13 ], cost: 1 14: f13 -> f14 : arg1'=arg1P_15, arg2'=arg2P_15, arg3'=arg3P_15, [ arg1>=arg3 && arg1==arg1P_15 && arg2==arg2P_15 && arg3==arg3P_15 ], cost: 1 16: f13 -> f16 : arg1'=arg1P_17, arg2'=arg2P_17, arg3'=arg3P_17, [ arg1 f15 : arg1'=arg1P_14, arg2'=arg2P_14, arg3'=arg3P_14, [ arg1P_14==-arg3+arg1 && arg2==arg2P_14 && arg3==arg3P_14 ], cost: 1 15: f15 -> f13 : arg1'=arg1P_16, arg2'=arg2P_16, arg3'=arg3P_16, [ arg1==arg1P_16 && arg2==arg2P_16 && arg3==arg3P_16 ], cost: 1 17: f16 -> f17 : arg1'=arg1P_18, arg2'=arg2P_18, arg3'=arg3P_18, [ arg1==arg1P_18 && arg3==arg2P_18 && arg3==arg3P_18 ], cost: 1 18: f17 -> f18 : arg1'=arg1P_19, arg2'=arg2P_19, arg3'=arg3P_19, [ arg1==arg1P_19 && arg2==arg2P_19 && arg1==arg3P_19 ], cost: 1 20: f18 -> f10 : arg1'=arg1P_21, arg2'=arg2P_21, arg3'=arg3P_21, [ arg1==arg1P_21 && arg2==arg2P_21 && arg3==arg3P_21 ], cost: 1 22: __init -> f1 : arg1'=arg1P_23, arg2'=arg2P_23, arg3'=arg3P_23, [], cost: 1 Simplified all rules, resulting in: Start location: __init 0: f1 -> f2 : arg2'=arg2P_1, [], cost: 1 1: f2 -> f3 : arg3'=arg3P_2, [], cost: 1 3: f3 -> f4 : [ arg2<0 ], cost: 1 4: f3 -> f5 : [ arg2>=0 ], cost: 1 2: f4 -> f7 : arg2'=-arg2, [], cost: 1 5: f7 -> f6 : [], cost: 1 6: f5 -> f6 : [], cost: 1 8: f6 -> f8 : [ arg3<0 ], cost: 1 9: f6 -> f9 : [ arg3>=0 ], cost: 1 7: f8 -> f11 : arg3'=-arg3, [], cost: 1 10: f11 -> f10 : [], cost: 1 11: f9 -> f10 : [], cost: 1 19: f10 -> f12 : [ arg3>0 ], cost: 1 12: f12 -> f13 : arg1'=arg2, [], cost: 1 14: f13 -> f14 : [ arg1>=arg3 ], cost: 1 16: f13 -> f16 : [ arg1 f15 : arg1'=-arg3+arg1, [], cost: 1 15: f15 -> f13 : [], cost: 1 17: f16 -> f17 : arg2'=arg3, [], cost: 1 18: f17 -> f18 : arg3'=arg1, [], cost: 1 20: f18 -> f10 : [], cost: 1 22: __init -> f1 : arg1'=arg1P_23, arg2'=arg2P_23, arg3'=arg3P_23, [], cost: 1 ### Simplification by acceleration and chaining ### Eliminated locations (on linear paths): Start location: __init 26: f3 -> f6 : [ arg2>=0 ], cost: 2 27: f3 -> f6 : arg2'=-arg2, [ arg2<0 ], cost: 3 29: f6 -> f10 : [ arg3>=0 ], cost: 2 30: f6 -> f10 : arg3'=-arg3, [ arg3<0 ], cost: 3 31: f10 -> f13 : arg1'=arg2, [ arg3>0 ], cost: 2 34: f13 -> f13 : arg1'=-arg3+arg1, [ arg1>=arg3 ], cost: 3 36: f13 -> f10 : arg2'=arg3, arg3'=arg1, [ arg1 f3 : arg1'=arg1P_23, arg2'=arg2P_1, arg3'=arg3P_2, [], cost: 3 Accelerating simple loops of location 12. Accelerating the following rules: 34: f13 -> f13 : arg1'=-arg3+arg1, [ arg1>=arg3 ], cost: 3 [test] deduced invariant 1-arg3<=0 Accelerated rule 34 with non-termination, yielding the new rule 37. Accelerated rule 34 with backward acceleration, yielding the new rule 38. [accelerate] Nesting with 1 inner and 1 outer candidates Accelerated all simple loops using metering functions (where possible): Start location: __init 26: f3 -> f6 : [ arg2>=0 ], cost: 2 27: f3 -> f6 : arg2'=-arg2, [ arg2<0 ], cost: 3 29: f6 -> f10 : [ arg3>=0 ], cost: 2 30: f6 -> f10 : arg3'=-arg3, [ arg3<0 ], cost: 3 31: f10 -> f13 : arg1'=arg2, [ arg3>0 ], cost: 2 34: f13 -> f13 : arg1'=-arg3+arg1, [ arg1>=arg3 ], cost: 3 36: f13 -> f10 : arg2'=arg3, arg3'=arg1, [ arg1 [20] : [ arg1>=arg3 && arg3==0 && arg1==0 ], cost: NONTERM 38: f13 -> f13 : arg1'=arg1-k*arg3, [ 1-arg3<=0 && k>=0 && -(-1+k)*arg3+arg1>=arg3 ], cost: 3*k 24: __init -> f3 : arg1'=arg1P_23, arg2'=arg2P_1, arg3'=arg3P_2, [], cost: 3 Chained accelerated rules (with incoming rules): Start location: __init 26: f3 -> f6 : [ arg2>=0 ], cost: 2 27: f3 -> f6 : arg2'=-arg2, [ arg2<0 ], cost: 3 29: f6 -> f10 : [ arg3>=0 ], cost: 2 30: f6 -> f10 : arg3'=-arg3, [ arg3<0 ], cost: 3 31: f10 -> f13 : arg1'=arg2, [ arg3>0 ], cost: 2 39: f10 -> f13 : arg1'=arg2-arg3, [ arg3>0 && arg2>=arg3 ], cost: 5 40: f10 -> f13 : arg1'=arg2-k*arg3, [ arg3>0 && k>=0 && -(-1+k)*arg3+arg2>=arg3 ], cost: 2+3*k 36: f13 -> f10 : arg2'=arg3, arg3'=arg1, [ arg1 f3 : arg1'=arg1P_23, arg2'=arg2P_1, arg3'=arg3P_2, [], cost: 3 Removed unreachable locations (and leaf rules with constant cost): Start location: __init 26: f3 -> f6 : [ arg2>=0 ], cost: 2 27: f3 -> f6 : arg2'=-arg2, [ arg2<0 ], cost: 3 29: f6 -> f10 : [ arg3>=0 ], cost: 2 30: f6 -> f10 : arg3'=-arg3, [ arg3<0 ], cost: 3 31: f10 -> f13 : arg1'=arg2, [ arg3>0 ], cost: 2 39: f10 -> f13 : arg1'=arg2-arg3, [ arg3>0 && arg2>=arg3 ], cost: 5 40: f10 -> f13 : arg1'=arg2-k*arg3, [ arg3>0 && k>=0 && -(-1+k)*arg3+arg2>=arg3 ], cost: 2+3*k 36: f13 -> f10 : arg2'=arg3, arg3'=arg1, [ arg1 f3 : arg1'=arg1P_23, arg2'=arg2P_1, arg3'=arg3P_2, [], cost: 3 Eliminated locations (on tree-shaped paths): Start location: __init 29: f6 -> f10 : [ arg3>=0 ], cost: 2 30: f6 -> f10 : arg3'=-arg3, [ arg3<0 ], cost: 3 43: f10 -> f10 : arg1'=arg2, arg2'=arg3, arg3'=arg2, [ arg3>0 && arg2 f10 : arg1'=arg2-arg3, arg2'=arg3, arg3'=arg2-arg3, [ arg3>0 && arg2>=arg3 && arg2-arg3 f10 : arg1'=arg2-k*arg3, arg2'=arg3, arg3'=arg2-k*arg3, [ arg3>0 && k>=0 && -(-1+k)*arg3+arg2>=arg3 && arg2-k*arg3 f6 : arg1'=arg1P_23, arg2'=arg2P_1, arg3'=arg3P_2, [ arg2P_1>=0 ], cost: 5 42: __init -> f6 : arg1'=arg1P_23, arg2'=-arg2P_1, arg3'=arg3P_2, [ arg2P_1<0 ], cost: 6 Accelerating simple loops of location 10. Accelerating the following rules: 43: f10 -> f10 : arg1'=arg2, arg2'=arg3, arg3'=arg2, [ arg3>0 && arg2 f10 : arg1'=arg2-arg3, arg2'=arg3, arg3'=arg2-arg3, [ arg3>0 && arg2>=arg3 && arg2-arg3 f10 : arg1'=arg2-k*arg3, arg2'=arg3, arg3'=arg2-k*arg3, [ arg3>0 && k>=0 && -(-1+k)*arg3+arg2>=arg3 && arg2-k*arg3 f10 : [ arg3>=0 ], cost: 2 30: f6 -> f10 : arg3'=-arg3, [ arg3<0 ], cost: 3 43: f10 -> f10 : arg1'=arg2, arg2'=arg3, arg3'=arg2, [ arg3>0 && arg2 f10 : arg1'=arg2-arg3, arg2'=arg3, arg3'=arg2-arg3, [ arg3>0 && arg2>=arg3 && arg2-arg3 f10 : arg1'=arg2-k*arg3, arg2'=arg3, arg3'=arg2-k*arg3, [ arg3>0 && k>=0 && -(-1+k)*arg3+arg2>=arg3 && arg2-k*arg3 f6 : arg1'=arg1P_23, arg2'=arg2P_1, arg3'=arg3P_2, [ arg2P_1>=0 ], cost: 5 42: __init -> f6 : arg1'=arg1P_23, arg2'=-arg2P_1, arg3'=arg3P_2, [ arg2P_1<0 ], cost: 6 Chained accelerated rules (with incoming rules): Start location: __init 29: f6 -> f10 : [ arg3>=0 ], cost: 2 30: f6 -> f10 : arg3'=-arg3, [ arg3<0 ], cost: 3 46: f6 -> f10 : arg1'=arg2, arg2'=arg3, arg3'=arg2, [ arg3>0 && arg2 f10 : arg1'=arg2, arg2'=-arg3, arg3'=arg2, [ arg3<0 && arg2<-arg3 ], cost: 9 48: f6 -> f10 : arg1'=arg2-arg3, arg2'=arg3, arg3'=arg2-arg3, [ arg3>0 && arg2>=arg3 && arg2-arg3 f10 : arg1'=arg2+arg3, arg2'=-arg3, arg3'=arg2+arg3, [ arg3<0 && arg2>=-arg3 && arg2+arg3<-arg3 ], cost: 12 50: f6 -> f10 : arg1'=arg2-k*arg3, arg2'=arg3, arg3'=arg2-k*arg3, [ arg3>0 && k>=0 && -(-1+k)*arg3+arg2>=arg3 && arg2-k*arg3 f10 : arg1'=arg2+k*arg3, arg2'=-arg3, arg3'=arg2+k*arg3, [ arg3<0 && k>=0 && (-1+k)*arg3+arg2>=-arg3 && arg2+k*arg3<-arg3 ], cost: 9+3*k 41: __init -> f6 : arg1'=arg1P_23, arg2'=arg2P_1, arg3'=arg3P_2, [ arg2P_1>=0 ], cost: 5 42: __init -> f6 : arg1'=arg1P_23, arg2'=-arg2P_1, arg3'=arg3P_2, [ arg2P_1<0 ], cost: 6 Removed unreachable locations (and leaf rules with constant cost): Start location: __init 50: f6 -> f10 : arg1'=arg2-k*arg3, arg2'=arg3, arg3'=arg2-k*arg3, [ arg3>0 && k>=0 && -(-1+k)*arg3+arg2>=arg3 && arg2-k*arg3 f10 : arg1'=arg2+k*arg3, arg2'=-arg3, arg3'=arg2+k*arg3, [ arg3<0 && k>=0 && (-1+k)*arg3+arg2>=-arg3 && arg2+k*arg3<-arg3 ], cost: 9+3*k 41: __init -> f6 : arg1'=arg1P_23, arg2'=arg2P_1, arg3'=arg3P_2, [ arg2P_1>=0 ], cost: 5 42: __init -> f6 : arg1'=arg1P_23, arg2'=-arg2P_1, arg3'=arg3P_2, [ arg2P_1<0 ], cost: 6 Eliminated locations (on tree-shaped paths): Start location: __init 52: __init -> f10 : arg1'=-k*arg3P_2+arg2P_1, arg2'=arg3P_2, arg3'=-k*arg3P_2+arg2P_1, [ arg2P_1>=0 && arg3P_2>0 && k>=0 && arg2P_1-(-1+k)*arg3P_2>=arg3P_2 && -k*arg3P_2+arg2P_1 f10 : arg1'=k*arg3P_2+arg2P_1, arg2'=-arg3P_2, arg3'=k*arg3P_2+arg2P_1, [ arg2P_1>=0 && arg3P_2<0 && k>=0 && arg2P_1+(-1+k)*arg3P_2>=-arg3P_2 && k*arg3P_2+arg2P_1<-arg3P_2 ], cost: 14+3*k 54: __init -> f10 : arg1'=-k*arg3P_2-arg2P_1, arg2'=arg3P_2, arg3'=-k*arg3P_2-arg2P_1, [ arg2P_1<0 && arg3P_2>0 && k>=0 && -arg2P_1-(-1+k)*arg3P_2>=arg3P_2 && -k*arg3P_2-arg2P_1 f10 : arg1'=k*arg3P_2-arg2P_1, arg2'=-arg3P_2, arg3'=k*arg3P_2-arg2P_1, [ arg2P_1<0 && arg3P_2<0 && k>=0 && -arg2P_1+(-1+k)*arg3P_2>=-arg3P_2 && k*arg3P_2-arg2P_1<-arg3P_2 ], cost: 15+3*k ### Computing asymptotic complexity ### Fully simplified ITS problem Start location: __init 52: __init -> f10 : arg1'=-k*arg3P_2+arg2P_1, arg2'=arg3P_2, arg3'=-k*arg3P_2+arg2P_1, [ arg2P_1>=0 && arg3P_2>0 && k>=0 && arg2P_1-(-1+k)*arg3P_2>=arg3P_2 && -k*arg3P_2+arg2P_1 f10 : arg1'=k*arg3P_2+arg2P_1, arg2'=-arg3P_2, arg3'=k*arg3P_2+arg2P_1, [ arg2P_1>=0 && arg3P_2<0 && k>=0 && arg2P_1+(-1+k)*arg3P_2>=-arg3P_2 && k*arg3P_2+arg2P_1<-arg3P_2 ], cost: 14+3*k 54: __init -> f10 : arg1'=-k*arg3P_2-arg2P_1, arg2'=arg3P_2, arg3'=-k*arg3P_2-arg2P_1, [ arg2P_1<0 && arg3P_2>0 && k>=0 && -arg2P_1-(-1+k)*arg3P_2>=arg3P_2 && -k*arg3P_2-arg2P_1 f10 : arg1'=k*arg3P_2-arg2P_1, arg2'=-arg3P_2, arg3'=k*arg3P_2-arg2P_1, [ arg2P_1<0 && arg3P_2<0 && k>=0 && -arg2P_1+(-1+k)*arg3P_2>=-arg3P_2 && k*arg3P_2-arg2P_1<-arg3P_2 ], cost: 15+3*k Computing asymptotic complexity for rule 52 Simplified the guard: 52: __init -> f10 : arg1'=-k*arg3P_2+arg2P_1, arg2'=arg3P_2, arg3'=-k*arg3P_2+arg2P_1, [ k>=0 && arg2P_1-(-1+k)*arg3P_2>=arg3P_2 && -k*arg3P_2+arg2P_1 f10 : arg1'=k*arg3P_2+arg2P_1, arg2'=-arg3P_2, arg3'=k*arg3P_2+arg2P_1, [ k>=0 && arg2P_1+(-1+k)*arg3P_2>=-arg3P_2 && k*arg3P_2+arg2P_1<-arg3P_2 ], cost: 14+3*k Resulting cost 0 has complexity: Unknown Computing asymptotic complexity for rule 54 Simplified the guard: 54: __init -> f10 : arg1'=-k*arg3P_2-arg2P_1, arg2'=arg3P_2, arg3'=-k*arg3P_2-arg2P_1, [ arg2P_1<0 && k>=0 && -arg2P_1-(-1+k)*arg3P_2>=arg3P_2 && -k*arg3P_2-arg2P_1 f10 : arg1'=k*arg3P_2-arg2P_1, arg2'=-arg3P_2, arg3'=k*arg3P_2-arg2P_1, [ arg2P_1<0 && k>=0 && -arg2P_1+(-1+k)*arg3P_2>=-arg3P_2 && k*arg3P_2-arg2P_1<-arg3P_2 ], cost: 15+3*k Resulting cost 0 has complexity: Unknown Obtained the following overall complexity (w.r.t. the length of the input n): Complexity: Constant Cpx degree: 0 Solved cost: 1 Rule cost: 1 Rule guard: [] WORST_CASE(Omega(1),?)