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, [ arg2==arg2P_1 && arg3==arg3P_1 ], cost: 1 1: f2 -> f3 : arg1'=arg1P_2, arg2'=arg2P_2, arg3'=arg3P_2, [ arg1==arg1P_2 && arg3==arg3P_2 ], cost: 1 19: f3 -> f4 : arg1'=arg1P_20, arg2'=arg2P_20, arg3'=arg3P_20, [ arg2>0 && arg1>0 && arg1==arg1P_20 && arg2==arg2P_20 && arg3==arg3P_20 ], cost: 1 21: f3 -> f19 : arg1'=arg1P_22, arg2'=arg2P_22, arg3'=arg3P_22, [ arg2<=0 && arg1==arg1P_22 && arg2==arg2P_22 && arg3==arg3P_22 ], cost: 1 22: f3 -> f19 : arg1'=arg1P_23, arg2'=arg2P_23, arg3'=arg3P_23, [ arg1<=0 && arg1==arg1P_23 && arg2==arg2P_23 && arg3==arg3P_23 ], cost: 1 2: f5 -> f8 : arg1'=arg1P_3, arg2'=arg2P_3, arg3'=arg3P_3, [ arg1==arg1P_3 && arg2==arg2P_3 && arg2==arg3P_3 ], cost: 1 6: f8 -> f7 : arg1'=arg1P_7, arg2'=arg2P_7, arg3'=arg3P_7, [ arg1==arg1P_7 && arg2==arg2P_7 && arg3==arg3P_7 ], cost: 1 3: f6 -> f9 : arg1'=arg1P_4, arg2'=arg2P_4, arg3'=arg3P_4, [ arg1==arg1P_4 && arg2==arg2P_4 && arg1==arg3P_4 ], cost: 1 7: f9 -> f7 : arg1'=arg1P_8, arg2'=arg2P_8, arg3'=arg3P_8, [ arg1==arg1P_8 && arg2==arg2P_8 && arg3==arg3P_8 ], cost: 1 4: f4 -> f5 : arg1'=arg1P_5, arg2'=arg2P_5, arg3'=arg3P_5, [ arg1>arg2 && arg1==arg1P_5 && arg2==arg2P_5 && arg3==arg3P_5 ], cost: 1 5: f4 -> f6 : arg1'=arg1P_6, arg2'=arg2P_6, arg3'=arg3P_6, [ arg1<=arg2 && arg1==arg1P_6 && arg2==arg2P_6 && arg3==arg3P_6 ], cost: 1 14: f7 -> f10 : arg1'=arg1P_15, arg2'=arg2P_15, arg3'=arg3P_15, [ x44_1<0 && arg1==arg1P_15 && arg2==arg2P_15 && arg3==arg3P_15 ], cost: 1 15: f7 -> f10 : arg1'=arg1P_16, arg2'=arg2P_16, arg3'=arg3P_16, [ x87_1>0 && arg1==arg1P_16 && arg2==arg2P_16 && arg3==arg3P_16 ], cost: 1 16: f7 -> f11 : arg1'=arg1P_17, arg2'=arg2P_17, arg3'=arg3P_17, [ x48_1==0 && arg1==arg1P_17 && arg2==arg2P_17 && arg3==arg3P_17 ], cost: 1 8: f10 -> f13 : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=arg3P_9, [ arg2P_9==arg2+arg1 && arg1==arg1P_9 && arg3==arg3P_9 ], cost: 1 9: f13 -> f14 : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_10, [ arg1P_10==-1+arg3 && arg2==arg2P_10 && arg3==arg3P_10 ], cost: 1 10: f14 -> f15 : arg1'=arg1P_11, arg2'=arg2P_11, arg3'=arg3P_11, [ arg3P_11==arg2+arg3 && arg1==arg1P_11 && arg2==arg2P_11 ], cost: 1 17: f15 -> f12 : arg1'=arg1P_18, arg2'=arg2P_18, arg3'=arg3P_18, [ arg1==arg1P_18 && arg2==arg2P_18 && arg3==arg3P_18 ], cost: 1 11: f11 -> f16 : arg1'=arg1P_12, arg2'=arg2P_12, arg3'=arg3P_12, [ arg1P_12==arg2+arg1 && arg2==arg2P_12 && arg3==arg3P_12 ], cost: 1 12: f16 -> f17 : arg1'=arg1P_13, arg2'=arg2P_13, arg3'=arg3P_13, [ arg2P_13==-1+arg3 && arg1==arg1P_13 && arg3==arg3P_13 ], cost: 1 13: f17 -> f18 : arg1'=arg1P_14, arg2'=arg2P_14, arg3'=arg3P_14, [ arg3P_14==arg3+arg1 && arg1==arg1P_14 && arg2==arg2P_14 ], cost: 1 18: f18 -> f12 : arg1'=arg1P_19, arg2'=arg2P_19, arg3'=arg3P_19, [ arg1==arg1P_19 && arg2==arg2P_19 && arg3==arg3P_19 ], cost: 1 20: f12 -> f3 : arg1'=arg1P_21, arg2'=arg2P_21, arg3'=arg3P_21, [ arg1==arg1P_21 && arg2==arg2P_21 && arg3==arg3P_21 ], cost: 1 23: __init -> f1 : arg1'=arg1P_24, arg2'=arg2P_24, arg3'=arg3P_24, [], cost: 1 Checking for constant complexity: The following rule is satisfiable with cost >= 1, yielding constant complexity: 23: __init -> f1 : arg1'=arg1P_24, arg2'=arg2P_24, arg3'=arg3P_24, [], cost: 1 Removed unreachable and leaf rules: Start location: __init 0: f1 -> f2 : arg1'=arg1P_1, arg2'=arg2P_1, arg3'=arg3P_1, [ arg2==arg2P_1 && arg3==arg3P_1 ], cost: 1 1: f2 -> f3 : arg1'=arg1P_2, arg2'=arg2P_2, arg3'=arg3P_2, [ arg1==arg1P_2 && arg3==arg3P_2 ], cost: 1 19: f3 -> f4 : arg1'=arg1P_20, arg2'=arg2P_20, arg3'=arg3P_20, [ arg2>0 && arg1>0 && arg1==arg1P_20 && arg2==arg2P_20 && arg3==arg3P_20 ], cost: 1 2: f5 -> f8 : arg1'=arg1P_3, arg2'=arg2P_3, arg3'=arg3P_3, [ arg1==arg1P_3 && arg2==arg2P_3 && arg2==arg3P_3 ], cost: 1 6: f8 -> f7 : arg1'=arg1P_7, arg2'=arg2P_7, arg3'=arg3P_7, [ arg1==arg1P_7 && arg2==arg2P_7 && arg3==arg3P_7 ], cost: 1 3: f6 -> f9 : arg1'=arg1P_4, arg2'=arg2P_4, arg3'=arg3P_4, [ arg1==arg1P_4 && arg2==arg2P_4 && arg1==arg3P_4 ], cost: 1 7: f9 -> f7 : arg1'=arg1P_8, arg2'=arg2P_8, arg3'=arg3P_8, [ arg1==arg1P_8 && arg2==arg2P_8 && arg3==arg3P_8 ], cost: 1 4: f4 -> f5 : arg1'=arg1P_5, arg2'=arg2P_5, arg3'=arg3P_5, [ arg1>arg2 && arg1==arg1P_5 && arg2==arg2P_5 && arg3==arg3P_5 ], cost: 1 5: f4 -> f6 : arg1'=arg1P_6, arg2'=arg2P_6, arg3'=arg3P_6, [ arg1<=arg2 && arg1==arg1P_6 && arg2==arg2P_6 && arg3==arg3P_6 ], cost: 1 14: f7 -> f10 : arg1'=arg1P_15, arg2'=arg2P_15, arg3'=arg3P_15, [ x44_1<0 && arg1==arg1P_15 && arg2==arg2P_15 && arg3==arg3P_15 ], cost: 1 15: f7 -> f10 : arg1'=arg1P_16, arg2'=arg2P_16, arg3'=arg3P_16, [ x87_1>0 && arg1==arg1P_16 && arg2==arg2P_16 && arg3==arg3P_16 ], cost: 1 16: f7 -> f11 : arg1'=arg1P_17, arg2'=arg2P_17, arg3'=arg3P_17, [ x48_1==0 && arg1==arg1P_17 && arg2==arg2P_17 && arg3==arg3P_17 ], cost: 1 8: f10 -> f13 : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=arg3P_9, [ arg2P_9==arg2+arg1 && arg1==arg1P_9 && arg3==arg3P_9 ], cost: 1 9: f13 -> f14 : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_10, [ arg1P_10==-1+arg3 && arg2==arg2P_10 && arg3==arg3P_10 ], cost: 1 10: f14 -> f15 : arg1'=arg1P_11, arg2'=arg2P_11, arg3'=arg3P_11, [ arg3P_11==arg2+arg3 && arg1==arg1P_11 && arg2==arg2P_11 ], cost: 1 17: f15 -> f12 : arg1'=arg1P_18, arg2'=arg2P_18, arg3'=arg3P_18, [ arg1==arg1P_18 && arg2==arg2P_18 && arg3==arg3P_18 ], cost: 1 11: f11 -> f16 : arg1'=arg1P_12, arg2'=arg2P_12, arg3'=arg3P_12, [ arg1P_12==arg2+arg1 && arg2==arg2P_12 && arg3==arg3P_12 ], cost: 1 12: f16 -> f17 : arg1'=arg1P_13, arg2'=arg2P_13, arg3'=arg3P_13, [ arg2P_13==-1+arg3 && arg1==arg1P_13 && arg3==arg3P_13 ], cost: 1 13: f17 -> f18 : arg1'=arg1P_14, arg2'=arg2P_14, arg3'=arg3P_14, [ arg3P_14==arg3+arg1 && arg1==arg1P_14 && arg2==arg2P_14 ], cost: 1 18: f18 -> f12 : arg1'=arg1P_19, arg2'=arg2P_19, arg3'=arg3P_19, [ arg1==arg1P_19 && arg2==arg2P_19 && arg3==arg3P_19 ], cost: 1 20: f12 -> f3 : arg1'=arg1P_21, arg2'=arg2P_21, arg3'=arg3P_21, [ arg1==arg1P_21 && arg2==arg2P_21 && arg3==arg3P_21 ], cost: 1 23: __init -> f1 : arg1'=arg1P_24, arg2'=arg2P_24, arg3'=arg3P_24, [], cost: 1 Simplified all rules, resulting in: Start location: __init 0: f1 -> f2 : arg1'=arg1P_1, [], cost: 1 1: f2 -> f3 : arg2'=arg2P_2, [], cost: 1 19: f3 -> f4 : [ arg2>0 && arg1>0 ], cost: 1 2: f5 -> f8 : arg3'=arg2, [], cost: 1 6: f8 -> f7 : [], cost: 1 3: f6 -> f9 : arg3'=arg1, [], cost: 1 7: f9 -> f7 : [], cost: 1 4: f4 -> f5 : [ arg1>arg2 ], cost: 1 5: f4 -> f6 : [ arg1<=arg2 ], cost: 1 15: f7 -> f10 : [], cost: 1 16: f7 -> f11 : [], cost: 1 8: f10 -> f13 : arg2'=arg2+arg1, [], cost: 1 9: f13 -> f14 : arg1'=-1+arg3, [], cost: 1 10: f14 -> f15 : arg3'=arg2+arg3, [], cost: 1 17: f15 -> f12 : [], cost: 1 11: f11 -> f16 : arg1'=arg2+arg1, [], cost: 1 12: f16 -> f17 : arg2'=-1+arg3, [], cost: 1 13: f17 -> f18 : arg3'=arg3+arg1, [], cost: 1 18: f18 -> f12 : [], cost: 1 20: f12 -> f3 : [], cost: 1 23: __init -> f1 : arg1'=arg1P_24, arg2'=arg2P_24, arg3'=arg3P_24, [], cost: 1 ### Simplification by acceleration and chaining ### Eliminated locations (on linear paths): Start location: __init 19: f3 -> f4 : [ arg2>0 && arg1>0 ], cost: 1 28: f4 -> f7 : arg3'=arg2, [ arg1>arg2 ], cost: 3 29: f4 -> f7 : arg3'=arg1, [ arg1<=arg2 ], cost: 3 36: f7 -> f12 : arg1'=-1+arg3, arg2'=arg2+arg1, arg3'=arg2+arg3+arg1, [], cost: 5 37: f7 -> f12 : arg1'=arg2+arg1, arg2'=-1+arg3, arg3'=arg2+arg3+arg1, [], cost: 5 20: f12 -> f3 : [], cost: 1 25: __init -> f3 : arg1'=arg1P_1, arg2'=arg2P_2, arg3'=arg3P_24, [], cost: 3 Eliminated locations (on tree-shaped paths): Start location: __init 38: f3 -> f7 : arg3'=arg2, [ arg2>0 && arg1>0 && arg1>arg2 ], cost: 4 39: f3 -> f7 : arg3'=arg1, [ arg2>0 && arg1>0 && arg1<=arg2 ], cost: 4 40: f7 -> f3 : arg1'=-1+arg3, arg2'=arg2+arg1, arg3'=arg2+arg3+arg1, [], cost: 6 41: f7 -> f3 : arg1'=arg2+arg1, arg2'=-1+arg3, arg3'=arg2+arg3+arg1, [], cost: 6 25: __init -> f3 : arg1'=arg1P_1, arg2'=arg2P_2, arg3'=arg3P_24, [], cost: 3 Eliminated locations (on tree-shaped paths): Start location: __init 42: f3 -> f3 : arg1'=-1+arg2, arg2'=arg2+arg1, arg3'=2*arg2+arg1, [ arg2>0 && arg1>0 && arg1>arg2 ], cost: 10 43: f3 -> f3 : arg1'=arg2+arg1, arg2'=-1+arg2, arg3'=2*arg2+arg1, [ arg2>0 && arg1>0 && arg1>arg2 ], cost: 10 44: f3 -> f3 : arg1'=-1+arg1, arg2'=arg2+arg1, arg3'=arg2+2*arg1, [ arg2>0 && arg1>0 && arg1<=arg2 ], cost: 10 45: f3 -> f3 : arg1'=arg2+arg1, arg2'=-1+arg1, arg3'=arg2+2*arg1, [ arg2>0 && arg1>0 && arg1<=arg2 ], cost: 10 25: __init -> f3 : arg1'=arg1P_1, arg2'=arg2P_2, arg3'=arg3P_24, [], cost: 3 Accelerating simple loops of location 2. Accelerating the following rules: 42: f3 -> f3 : arg1'=-1+arg2, arg2'=arg2+arg1, arg3'=2*arg2+arg1, [ arg2>0 && arg1>0 && arg1>arg2 ], cost: 10 43: f3 -> f3 : arg1'=arg2+arg1, arg2'=-1+arg2, arg3'=2*arg2+arg1, [ arg2>0 && arg1>0 && arg1>arg2 ], cost: 10 44: f3 -> f3 : arg1'=-1+arg1, arg2'=arg2+arg1, arg3'=arg2+2*arg1, [ arg2>0 && arg1>0 && arg1<=arg2 ], cost: 10 45: f3 -> f3 : arg1'=arg2+arg1, arg2'=-1+arg1, arg3'=arg2+2*arg1, [ arg2>0 && arg1>0 && arg1<=arg2 ], cost: 10 Failed to prove monotonicity of the guard of rule 42. Accelerated rule 43 with backward acceleration, yielding the new rule 46. Accelerated rule 44 with backward acceleration, yielding the new rule 47. Failed to prove monotonicity of the guard of rule 45. [accelerate] Nesting with 4 inner and 4 outer candidates Nested simple loops 45 (outer loop) and 42 (inner loop) with Rule(2 | arg1>0, arg1>arg2, arg2+arg1>0, k_2>=1, 1+arg2-2*k_2>0, | 20*k_2 || 2 | 0=-2*k_2^2+arg1+k_2+2*arg2*k_2, 1=arg2-2*k_2, 2=3+3*arg2-2*(-1+k_2)^2+2*arg2*(-1+k_2)+arg1-5*k_2, ), resulting in the new rules: 48, 49. Nested simple loops 42 (outer loop) and 45 (inner loop) with Rule(2 | arg2>0, arg1<=arg2, arg2+arg1>0, k_3>=1, 1-2*k_3+arg1>0, | 20*k_3 || 2 | 0=-2*k_3+arg1, 1=arg2-2*k_3^2+k_3+2*k_3*arg1, 2=3-2*(-1+k_3)^2+2*(-1+k_3)*arg1+arg2-5*k_3+3*arg1, ), resulting in the new rules: 50, 51. Removing the simple loops: 42 43 44 45. Accelerated all simple loops using metering functions (where possible): Start location: __init 46: f3 -> f3 : arg1'=1/2*arg2+1/2*arg2^2+arg1, arg2'=0, arg3'=3/2+1/2*arg2-1/2*(-1+arg2)^2+(-1+arg2)*arg2+arg1, [ arg1>0 && arg1>arg2 && arg2>=1 ], cost: 10*arg2 47: f3 -> f3 : arg1'=0, arg2'=arg2+1/2*arg1^2+1/2*arg1, arg3'=3/2+arg2-1/2*(-1+arg1)^2+1/2*arg1+(-1+arg1)*arg1, [ arg2>0 && arg1<=arg2 && arg1>=1 ], cost: 10*arg1 48: f3 -> f3 : arg1'=-2*k_2^2+arg1+k_2+2*arg2*k_2, arg2'=arg2-2*k_2, arg3'=3+3*arg2-2*(-1+k_2)^2+2*arg2*(-1+k_2)+arg1-5*k_2, [ arg1>0 && arg1>arg2 && arg2+arg1>0 && k_2>=1 && 1+arg2-2*k_2>0 ], cost: 20*k_2 49: f3 -> f3 : arg1'=arg2-2*k_2^2+arg1+k_2+2*(-1+arg1)*k_2, arg2'=-1+arg1-2*k_2, arg3'=2*(-1+k_2)*(-1+arg1)+arg2-2*(-1+k_2)^2+4*arg1-5*k_2, [ arg2>0 && arg1>0 && arg1<=arg2 && arg2+arg1>0 && -1+arg2+2*arg1>0 && k_2>=1 && arg1-2*k_2>0 ], cost: 10+20*k_2 50: f3 -> f3 : arg1'=-2*k_3+arg1, arg2'=arg2-2*k_3^2+k_3+2*k_3*arg1, arg3'=3-2*(-1+k_3)^2+2*(-1+k_3)*arg1+arg2-5*k_3+3*arg1, [ arg2>0 && arg1<=arg2 && arg2+arg1>0 && k_3>=1 && 1-2*k_3+arg1>0 ], cost: 20*k_3 51: f3 -> f3 : arg1'=-1+arg2-2*k_3, arg2'=arg2-2*k_3^2+k_3+2*(-1+arg2)*k_3+arg1, arg3'=-2*(-1+k_3)^2+4*arg2-5*k_3+2*(-1+k_3)*(-1+arg2)+arg1, [ arg2>0 && arg1>0 && arg1>arg2 && arg2+arg1>0 && -1+2*arg2+arg1>0 && k_3>=1 && arg2-2*k_3>0 ], cost: 10+20*k_3 25: __init -> f3 : arg1'=arg1P_1, arg2'=arg2P_2, arg3'=arg3P_24, [], cost: 3 Chained accelerated rules (with incoming rules): Start location: __init 25: __init -> f3 : arg1'=arg1P_1, arg2'=arg2P_2, arg3'=arg3P_24, [], cost: 3 52: __init -> f3 : arg1'=1/2*arg2P_2^2+arg1P_1+1/2*arg2P_2, arg2'=0, arg3'=3/2+(-1+arg2P_2)*arg2P_2-1/2*(-1+arg2P_2)^2+arg1P_1+1/2*arg2P_2, [ arg1P_1>0 && arg1P_1>arg2P_2 && arg2P_2>=1 ], cost: 3+10*arg2P_2 53: __init -> f3 : arg1'=0, arg2'=1/2*arg1P_1+arg2P_2+1/2*arg1P_1^2, arg3'=3/2+arg1P_1*(-1+arg1P_1)+1/2*arg1P_1-1/2*(-1+arg1P_1)^2+arg2P_2, [ arg2P_2>0 && arg1P_1<=arg2P_2 && arg1P_1>=1 ], cost: 3+10*arg1P_1 54: __init -> f3 : arg1'=arg1P_1+2*arg2P_2*k_2-2*k_2^2+k_2, arg2'=arg2P_2-2*k_2, arg3'=3+2*(-1+k_2)*arg2P_2-2*(-1+k_2)^2+arg1P_1+3*arg2P_2-5*k_2, [ arg1P_1>0 && arg1P_1>arg2P_2 && arg1P_1+arg2P_2>0 && k_2>=1 && 1+arg2P_2-2*k_2>0 ], cost: 3+20*k_2 55: __init -> f3 : arg1'=arg1P_1+arg2P_2-2*k_2^2+2*(-1+arg1P_1)*k_2+k_2, arg2'=-1+arg1P_1-2*k_2, arg3'=2*(-1+k_2)*(-1+arg1P_1)-2*(-1+k_2)^2+4*arg1P_1+arg2P_2-5*k_2, [ arg2P_2>0 && arg1P_1>0 && arg1P_1<=arg2P_2 && arg1P_1+arg2P_2>0 && -1+2*arg1P_1+arg2P_2>0 && k_2>=1 && arg1P_1-2*k_2>0 ], cost: 13+20*k_2 56: __init -> f3 : arg1'=arg1P_1-2*k_3, arg2'=2*arg1P_1*k_3-2*k_3^2+arg2P_2+k_3, arg3'=3-2*(-1+k_3)^2+2*(-1+k_3)*arg1P_1+3*arg1P_1+arg2P_2-5*k_3, [ arg2P_2>0 && arg1P_1<=arg2P_2 && arg1P_1+arg2P_2>0 && k_3>=1 && 1+arg1P_1-2*k_3>0 ], cost: 3+20*k_3 57: __init -> f3 : arg1'=-1+arg2P_2-2*k_3, arg2'=2*(-1+arg2P_2)*k_3+arg1P_1-2*k_3^2+arg2P_2+k_3, arg3'=-2*(-1+k_3)^2+arg1P_1+2*(-1+k_3)*(-1+arg2P_2)+4*arg2P_2-5*k_3, [ arg2P_2>0 && arg1P_1>0 && arg1P_1>arg2P_2 && arg1P_1+arg2P_2>0 && -1+arg1P_1+2*arg2P_2>0 && k_3>=1 && arg2P_2-2*k_3>0 ], cost: 13+20*k_3 Removed unreachable locations (and leaf rules with constant cost): Start location: __init 52: __init -> f3 : arg1'=1/2*arg2P_2^2+arg1P_1+1/2*arg2P_2, arg2'=0, arg3'=3/2+(-1+arg2P_2)*arg2P_2-1/2*(-1+arg2P_2)^2+arg1P_1+1/2*arg2P_2, [ arg1P_1>0 && arg1P_1>arg2P_2 && arg2P_2>=1 ], cost: 3+10*arg2P_2 53: __init -> f3 : arg1'=0, arg2'=1/2*arg1P_1+arg2P_2+1/2*arg1P_1^2, arg3'=3/2+arg1P_1*(-1+arg1P_1)+1/2*arg1P_1-1/2*(-1+arg1P_1)^2+arg2P_2, [ arg2P_2>0 && arg1P_1<=arg2P_2 && arg1P_1>=1 ], cost: 3+10*arg1P_1 54: __init -> f3 : arg1'=arg1P_1+2*arg2P_2*k_2-2*k_2^2+k_2, arg2'=arg2P_2-2*k_2, arg3'=3+2*(-1+k_2)*arg2P_2-2*(-1+k_2)^2+arg1P_1+3*arg2P_2-5*k_2, [ arg1P_1>0 && arg1P_1>arg2P_2 && arg1P_1+arg2P_2>0 && k_2>=1 && 1+arg2P_2-2*k_2>0 ], cost: 3+20*k_2 55: __init -> f3 : arg1'=arg1P_1+arg2P_2-2*k_2^2+2*(-1+arg1P_1)*k_2+k_2, arg2'=-1+arg1P_1-2*k_2, arg3'=2*(-1+k_2)*(-1+arg1P_1)-2*(-1+k_2)^2+4*arg1P_1+arg2P_2-5*k_2, [ arg2P_2>0 && arg1P_1>0 && arg1P_1<=arg2P_2 && arg1P_1+arg2P_2>0 && -1+2*arg1P_1+arg2P_2>0 && k_2>=1 && arg1P_1-2*k_2>0 ], cost: 13+20*k_2 56: __init -> f3 : arg1'=arg1P_1-2*k_3, arg2'=2*arg1P_1*k_3-2*k_3^2+arg2P_2+k_3, arg3'=3-2*(-1+k_3)^2+2*(-1+k_3)*arg1P_1+3*arg1P_1+arg2P_2-5*k_3, [ arg2P_2>0 && arg1P_1<=arg2P_2 && arg1P_1+arg2P_2>0 && k_3>=1 && 1+arg1P_1-2*k_3>0 ], cost: 3+20*k_3 57: __init -> f3 : arg1'=-1+arg2P_2-2*k_3, arg2'=2*(-1+arg2P_2)*k_3+arg1P_1-2*k_3^2+arg2P_2+k_3, arg3'=-2*(-1+k_3)^2+arg1P_1+2*(-1+k_3)*(-1+arg2P_2)+4*arg2P_2-5*k_3, [ arg2P_2>0 && arg1P_1>0 && arg1P_1>arg2P_2 && arg1P_1+arg2P_2>0 && -1+arg1P_1+2*arg2P_2>0 && k_3>=1 && arg2P_2-2*k_3>0 ], cost: 13+20*k_3 ### Computing asymptotic complexity ### Fully simplified ITS problem Start location: __init 52: __init -> f3 : arg1'=1/2*arg2P_2^2+arg1P_1+1/2*arg2P_2, arg2'=0, arg3'=3/2+(-1+arg2P_2)*arg2P_2-1/2*(-1+arg2P_2)^2+arg1P_1+1/2*arg2P_2, [ arg1P_1>0 && arg1P_1>arg2P_2 && arg2P_2>=1 ], cost: 3+10*arg2P_2 53: __init -> f3 : arg1'=0, arg2'=1/2*arg1P_1+arg2P_2+1/2*arg1P_1^2, arg3'=3/2+arg1P_1*(-1+arg1P_1)+1/2*arg1P_1-1/2*(-1+arg1P_1)^2+arg2P_2, [ arg2P_2>0 && arg1P_1<=arg2P_2 && arg1P_1>=1 ], cost: 3+10*arg1P_1 54: __init -> f3 : arg1'=arg1P_1+2*arg2P_2*k_2-2*k_2^2+k_2, arg2'=arg2P_2-2*k_2, arg3'=3+2*(-1+k_2)*arg2P_2-2*(-1+k_2)^2+arg1P_1+3*arg2P_2-5*k_2, [ arg1P_1>0 && arg1P_1>arg2P_2 && arg1P_1+arg2P_2>0 && k_2>=1 && 1+arg2P_2-2*k_2>0 ], cost: 3+20*k_2 55: __init -> f3 : arg1'=arg1P_1+arg2P_2-2*k_2^2+2*(-1+arg1P_1)*k_2+k_2, arg2'=-1+arg1P_1-2*k_2, arg3'=2*(-1+k_2)*(-1+arg1P_1)-2*(-1+k_2)^2+4*arg1P_1+arg2P_2-5*k_2, [ arg2P_2>0 && arg1P_1>0 && arg1P_1<=arg2P_2 && arg1P_1+arg2P_2>0 && -1+2*arg1P_1+arg2P_2>0 && k_2>=1 && arg1P_1-2*k_2>0 ], cost: 13+20*k_2 56: __init -> f3 : arg1'=arg1P_1-2*k_3, arg2'=2*arg1P_1*k_3-2*k_3^2+arg2P_2+k_3, arg3'=3-2*(-1+k_3)^2+2*(-1+k_3)*arg1P_1+3*arg1P_1+arg2P_2-5*k_3, [ arg2P_2>0 && arg1P_1<=arg2P_2 && arg1P_1+arg2P_2>0 && k_3>=1 && 1+arg1P_1-2*k_3>0 ], cost: 3+20*k_3 57: __init -> f3 : arg1'=-1+arg2P_2-2*k_3, arg2'=2*(-1+arg2P_2)*k_3+arg1P_1-2*k_3^2+arg2P_2+k_3, arg3'=-2*(-1+k_3)^2+arg1P_1+2*(-1+k_3)*(-1+arg2P_2)+4*arg2P_2-5*k_3, [ arg2P_2>0 && arg1P_1>0 && arg1P_1>arg2P_2 && arg1P_1+arg2P_2>0 && -1+arg1P_1+2*arg2P_2>0 && k_3>=1 && arg2P_2-2*k_3>0 ], cost: 13+20*k_3 Computing asymptotic complexity for rule 52 Simplified the guard: 52: __init -> f3 : arg1'=1/2*arg2P_2^2+arg1P_1+1/2*arg2P_2, arg2'=0, arg3'=3/2+(-1+arg2P_2)*arg2P_2-1/2*(-1+arg2P_2)^2+arg1P_1+1/2*arg2P_2, [ arg1P_1>arg2P_2 && arg2P_2>=1 ], cost: 3+10*arg2P_2 Resulting cost 0 has complexity: Unknown Computing asymptotic complexity for rule 53 Simplified the guard: 53: __init -> f3 : arg1'=0, arg2'=1/2*arg1P_1+arg2P_2+1/2*arg1P_1^2, arg3'=3/2+arg1P_1*(-1+arg1P_1)+1/2*arg1P_1-1/2*(-1+arg1P_1)^2+arg2P_2, [ arg1P_1<=arg2P_2 && arg1P_1>=1 ], cost: 3+10*arg1P_1 Resulting cost 0 has complexity: Unknown Computing asymptotic complexity for rule 54 Simplified the guard: 54: __init -> f3 : arg1'=arg1P_1+2*arg2P_2*k_2-2*k_2^2+k_2, arg2'=arg2P_2-2*k_2, arg3'=3+2*(-1+k_2)*arg2P_2-2*(-1+k_2)^2+arg1P_1+3*arg2P_2-5*k_2, [ arg1P_1>arg2P_2 && arg1P_1+arg2P_2>0 && k_2>=1 && 1+arg2P_2-2*k_2>0 ], cost: 3+20*k_2 Resulting cost 0 has complexity: Unknown Computing asymptotic complexity for rule 56 Simplified the guard: 56: __init -> f3 : arg1'=arg1P_1-2*k_3, arg2'=2*arg1P_1*k_3-2*k_3^2+arg2P_2+k_3, arg3'=3-2*(-1+k_3)^2+2*(-1+k_3)*arg1P_1+3*arg1P_1+arg2P_2-5*k_3, [ arg1P_1<=arg2P_2 && arg1P_1+arg2P_2>0 && k_3>=1 && 1+arg1P_1-2*k_3>0 ], cost: 3+20*k_3 Resulting cost 0 has complexity: Unknown Computing asymptotic complexity for rule 55 Simplified the guard: 55: __init -> f3 : arg1'=arg1P_1+arg2P_2-2*k_2^2+2*(-1+arg1P_1)*k_2+k_2, arg2'=-1+arg1P_1-2*k_2, arg3'=2*(-1+k_2)*(-1+arg1P_1)-2*(-1+k_2)^2+4*arg1P_1+arg2P_2-5*k_2, [ arg1P_1<=arg2P_2 && k_2>=1 && arg1P_1-2*k_2>0 ], cost: 13+20*k_2 Resulting cost 0 has complexity: Unknown Computing asymptotic complexity for rule 57 Simplified the guard: 57: __init -> f3 : arg1'=-1+arg2P_2-2*k_3, arg2'=2*(-1+arg2P_2)*k_3+arg1P_1-2*k_3^2+arg2P_2+k_3, arg3'=-2*(-1+k_3)^2+arg1P_1+2*(-1+k_3)*(-1+arg2P_2)+4*arg2P_2-5*k_3, [ arg1P_1>arg2P_2 && k_3>=1 && arg2P_2-2*k_3>0 ], cost: 13+20*k_3 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),?)