WORST_CASE(Omega(1),?) ### Pre-processing the ITS problem ### Initial linear ITS problem Start location: __init 0: f1_0_main_Load -> f163_0_upAndDown_GT : arg1'=arg1P_1, arg2'=arg2P_1, arg3'=arg3P_1, [ arg1>0 && arg2>-1 && 0==arg1P_1 && 0==arg2P_1 && arg2==arg3P_1 ], cost: 1 1: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg1'=arg1P_2, arg2'=arg2P_2, arg3'=arg3P_2, [ arg3<10 && arg3<11 && arg1<2 && arg3>0 && 0==arg2 && 0==arg1P_2 && 0==arg2P_2 && -1+arg3==arg3P_2 ], cost: 1 2: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg1'=arg1P_3, arg2'=arg2P_3, arg3'=arg3P_3, [ arg1<2 && 10==arg3 && 0==arg1P_3 && 0==arg2P_3 && 9==arg3P_3 ], cost: 1 3: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg1'=arg1P_4, arg2'=arg2P_4, arg3'=arg3P_4, [ arg3<11 && arg3>0 && arg3<10 && arg1<2 && 1==arg2 && 1==arg1P_4 && 1==arg2P_4 && 1+arg3==arg3P_4 ], cost: 1 4: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg1'=arg1P_5, arg2'=arg2P_5, arg3'=arg3P_5, [ arg1<2 && 0==arg3 && 1==arg1P_5 && 1==arg2P_5 && 1==arg3P_5 ], cost: 1 5: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg1'=arg1P_6, arg2'=arg2P_6, arg3'=arg3P_6, [ arg3<10 && arg3<11 && arg1<2 && arg3>0 && 0==arg2 && arg1==arg1P_6 && 0==arg2P_6 && -1+arg3==arg3P_6 ], cost: 1 6: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg1'=arg1P_7, arg2'=arg2P_7, arg3'=arg3P_7, [ arg1<2 && 10==arg3 && arg1==arg1P_7 && 0==arg2P_7 && 9==arg3P_7 ], cost: 1 7: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg1'=arg1P_8, arg2'=arg2P_8, arg3'=arg3P_8, [ arg3<11 && arg3>0 && arg3<10 && arg1<2 && 1==arg2 && arg1==arg1P_8 && 1==arg2P_8 && 1+arg3==arg3P_8 ], cost: 1 8: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=arg3P_9, [ arg1<2 && 0==arg3 && arg1==arg1P_9 && 1==arg2P_9 && 1==arg3P_9 ], cost: 1 9: __init -> f1_0_main_Load : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_10, [], cost: 1 Checking for constant complexity: The following rule is satisfiable with cost >= 1, yielding constant complexity: 9: __init -> f1_0_main_Load : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_10, [], cost: 1 Simplified all rules, resulting in: Start location: __init 0: f1_0_main_Load -> f163_0_upAndDown_GT : arg1'=0, arg2'=0, arg3'=arg2, [ arg1>0 && arg2>-1 ], cost: 1 1: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg1'=0, arg2'=0, arg3'=-1+arg3, [ arg3<10 && arg1<2 && arg3>0 && 0==arg2 ], cost: 1 2: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg1'=0, arg2'=0, arg3'=9, [ arg1<2 && 10==arg3 ], cost: 1 3: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg1'=1, arg2'=1, arg3'=1+arg3, [ arg3>0 && arg3<10 && arg1<2 && 1==arg2 ], cost: 1 4: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg1'=1, arg2'=1, arg3'=1, [ arg1<2 && 0==arg3 ], cost: 1 5: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg2'=0, arg3'=-1+arg3, [ arg3<10 && arg1<2 && arg3>0 && 0==arg2 ], cost: 1 6: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg2'=0, arg3'=9, [ arg1<2 && 10==arg3 ], cost: 1 7: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg2'=1, arg3'=1+arg3, [ arg3>0 && arg3<10 && arg1<2 && 1==arg2 ], cost: 1 8: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg2'=1, arg3'=1, [ arg1<2 && 0==arg3 ], cost: 1 9: __init -> f1_0_main_Load : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_10, [], cost: 1 ### Simplification by acceleration and chaining ### Accelerating simple loops of location 1. Accelerating the following rules: 1: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg1'=0, arg2'=0, arg3'=-1+arg3, [ arg3<10 && arg1<2 && arg3>0 && 0==arg2 ], cost: 1 2: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg1'=0, arg2'=0, arg3'=9, [ arg1<2 && 10==arg3 ], cost: 1 3: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg1'=1, arg2'=1, arg3'=1+arg3, [ arg3>0 && arg3<10 && arg1<2 && 1==arg2 ], cost: 1 4: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg1'=1, arg2'=1, arg3'=1, [ arg1<2 && 0==arg3 ], cost: 1 5: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg2'=0, arg3'=-1+arg3, [ arg3<10 && arg1<2 && arg3>0 && 0==arg2 ], cost: 1 6: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg2'=0, arg3'=9, [ arg1<2 && 10==arg3 ], cost: 1 7: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg2'=1, arg3'=1+arg3, [ arg3>0 && arg3<10 && arg1<2 && 1==arg2 ], cost: 1 8: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg2'=1, arg3'=1, [ arg1<2 && 0==arg3 ], cost: 1 Accelerated rule 1 with backward acceleration, yielding the new rule 10. Failed to prove monotonicity of the guard of rule 2. Accelerated rule 3 with backward acceleration, yielding the new rule 11. Failed to prove monotonicity of the guard of rule 4. Accelerated rule 5 with backward acceleration, yielding the new rule 12. Failed to prove monotonicity of the guard of rule 6. Accelerated rule 7 with backward acceleration, yielding the new rule 13. Failed to prove monotonicity of the guard of rule 8. [accelerate] Nesting with 8 inner and 8 outer candidates Removing the simple loops: 1 3 5 7. Accelerated all simple loops using metering functions (where possible): Start location: __init 0: f1_0_main_Load -> f163_0_upAndDown_GT : arg1'=0, arg2'=0, arg3'=arg2, [ arg1>0 && arg2>-1 ], cost: 1 2: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg1'=0, arg2'=0, arg3'=9, [ arg1<2 && 10==arg3 ], cost: 1 4: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg1'=1, arg2'=1, arg3'=1, [ arg1<2 && 0==arg3 ], cost: 1 6: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg2'=0, arg3'=9, [ arg1<2 && 10==arg3 ], cost: 1 8: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg2'=1, arg3'=1, [ arg1<2 && 0==arg3 ], cost: 1 10: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg1'=0, arg2'=0, arg3'=0, [ arg3<10 && arg1<2 && 0==arg2 && arg3>=1 ], cost: arg3 11: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg1'=1, arg2'=1, arg3'=10, [ arg3>0 && arg1<2 && 1==arg2 && 10-arg3>=1 ], cost: 10-arg3 12: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg2'=0, arg3'=0, [ arg3<10 && arg1<2 && 0==arg2 && arg3>=1 ], cost: arg3 13: f163_0_upAndDown_GT -> f163_0_upAndDown_GT : arg2'=1, arg3'=10, [ arg3>0 && arg1<2 && 1==arg2 && 10-arg3>=1 ], cost: 10-arg3 9: __init -> f1_0_main_Load : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_10, [], cost: 1 Chained accelerated rules (with incoming rules): Start location: __init 0: f1_0_main_Load -> f163_0_upAndDown_GT : arg1'=0, arg2'=0, arg3'=arg2, [ arg1>0 && arg2>-1 ], cost: 1 14: f1_0_main_Load -> f163_0_upAndDown_GT : arg1'=0, arg2'=0, arg3'=9, [ arg1>0 && 10==arg2 ], cost: 2 15: f1_0_main_Load -> f163_0_upAndDown_GT : arg1'=1, arg2'=1, arg3'=1, [ arg1>0 && 0==arg2 ], cost: 2 16: f1_0_main_Load -> f163_0_upAndDown_GT : arg1'=0, arg2'=0, arg3'=9, [ arg1>0 && 10==arg2 ], cost: 2 17: f1_0_main_Load -> f163_0_upAndDown_GT : arg1'=0, arg2'=1, arg3'=1, [ arg1>0 && 0==arg2 ], cost: 2 18: f1_0_main_Load -> f163_0_upAndDown_GT : arg1'=0, arg2'=0, arg3'=0, [ arg1>0 && arg2<10 && arg2>=1 ], cost: 1+arg2 19: f1_0_main_Load -> f163_0_upAndDown_GT : arg1'=0, arg2'=0, arg3'=0, [ arg1>0 && arg2<10 && arg2>=1 ], cost: 1+arg2 9: __init -> f1_0_main_Load : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_10, [], cost: 1 Removed unreachable locations (and leaf rules with constant cost): Start location: __init 18: f1_0_main_Load -> f163_0_upAndDown_GT : arg1'=0, arg2'=0, arg3'=0, [ arg1>0 && arg2<10 && arg2>=1 ], cost: 1+arg2 19: f1_0_main_Load -> f163_0_upAndDown_GT : arg1'=0, arg2'=0, arg3'=0, [ arg1>0 && arg2<10 && arg2>=1 ], cost: 1+arg2 9: __init -> f1_0_main_Load : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_10, [], cost: 1 Eliminated locations (on tree-shaped paths): Start location: __init 20: __init -> f163_0_upAndDown_GT : arg1'=0, arg2'=0, arg3'=0, [ arg1P_10>0 && arg2P_10<10 && arg2P_10>=1 ], cost: 2+arg2P_10 21: __init -> f163_0_upAndDown_GT : arg1'=0, arg2'=0, arg3'=0, [ arg1P_10>0 && arg2P_10<10 && arg2P_10>=1 ], cost: 2+arg2P_10 ### Computing asymptotic complexity ### Fully simplified ITS problem Start location: __init 21: __init -> f163_0_upAndDown_GT : arg1'=0, arg2'=0, arg3'=0, [ arg1P_10>0 && arg2P_10<10 && arg2P_10>=1 ], cost: 2+arg2P_10 Computing asymptotic complexity for rule 21 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),?)