WORST_CASE(Omega(1),?) ### Pre-processing the ITS problem ### Initial linear ITS problem Start location: __init 0: f1_0_main_ConstantStackPush -> f139_0_main_GE : arg1'=arg1P_1, arg2'=arg2P_1, [ 0==arg1P_1 ], cost: 1 1: f139_0_main_GE -> f169_0_main_GE : arg1'=arg1P_2, arg2'=arg2P_2, [ arg1<10 && arg1==arg1P_2 && 3==arg2P_2 ], cost: 1 2: f169_0_main_GE -> f139_0_main_GE : arg1'=arg1P_3, arg2'=arg2P_3, [ arg2>11 && 1+arg1==arg1P_3 ], cost: 1 3: f169_0_main_GE -> f169_0_main_GE : arg1'=arg1P_4, arg2'=arg2P_4, [ arg2<12 && arg1==arg1P_4 && 1+arg2==arg2P_4 ], cost: 1 4: __init -> f1_0_main_ConstantStackPush : arg1'=arg1P_5, arg2'=arg2P_5, [], cost: 1 Checking for constant complexity: The following rule is satisfiable with cost >= 1, yielding constant complexity: 4: __init -> f1_0_main_ConstantStackPush : arg1'=arg1P_5, arg2'=arg2P_5, [], cost: 1 Simplified all rules, resulting in: Start location: __init 0: f1_0_main_ConstantStackPush -> f139_0_main_GE : arg1'=0, arg2'=arg2P_1, [], cost: 1 1: f139_0_main_GE -> f169_0_main_GE : arg2'=3, [ arg1<10 ], cost: 1 2: f169_0_main_GE -> f139_0_main_GE : arg1'=1+arg1, arg2'=arg2P_3, [ arg2>11 ], cost: 1 3: f169_0_main_GE -> f169_0_main_GE : arg2'=1+arg2, [ arg2<12 ], cost: 1 4: __init -> f1_0_main_ConstantStackPush : arg1'=arg1P_5, arg2'=arg2P_5, [], cost: 1 ### Simplification by acceleration and chaining ### Accelerating simple loops of location 2. Accelerating the following rules: 3: f169_0_main_GE -> f169_0_main_GE : arg2'=1+arg2, [ arg2<12 ], cost: 1 Accelerated rule 3 with backward acceleration, yielding the new rule 5. [accelerate] Nesting with 1 inner and 1 outer candidates Removing the simple loops: 3. Accelerated all simple loops using metering functions (where possible): Start location: __init 0: f1_0_main_ConstantStackPush -> f139_0_main_GE : arg1'=0, arg2'=arg2P_1, [], cost: 1 1: f139_0_main_GE -> f169_0_main_GE : arg2'=3, [ arg1<10 ], cost: 1 2: f169_0_main_GE -> f139_0_main_GE : arg1'=1+arg1, arg2'=arg2P_3, [ arg2>11 ], cost: 1 5: f169_0_main_GE -> f169_0_main_GE : arg2'=12, [ 12-arg2>=0 ], cost: 12-arg2 4: __init -> f1_0_main_ConstantStackPush : arg1'=arg1P_5, arg2'=arg2P_5, [], cost: 1 Chained accelerated rules (with incoming rules): Start location: __init 0: f1_0_main_ConstantStackPush -> f139_0_main_GE : arg1'=0, arg2'=arg2P_1, [], cost: 1 1: f139_0_main_GE -> f169_0_main_GE : arg2'=3, [ arg1<10 ], cost: 1 6: f139_0_main_GE -> f169_0_main_GE : arg2'=12, [ arg1<10 ], cost: 10 2: f169_0_main_GE -> f139_0_main_GE : arg1'=1+arg1, arg2'=arg2P_3, [ arg2>11 ], cost: 1 4: __init -> f1_0_main_ConstantStackPush : arg1'=arg1P_5, arg2'=arg2P_5, [], cost: 1 Eliminated locations (on linear paths): Start location: __init 1: f139_0_main_GE -> f169_0_main_GE : arg2'=3, [ arg1<10 ], cost: 1 6: f139_0_main_GE -> f169_0_main_GE : arg2'=12, [ arg1<10 ], cost: 10 2: f169_0_main_GE -> f139_0_main_GE : arg1'=1+arg1, arg2'=arg2P_3, [ arg2>11 ], cost: 1 7: __init -> f139_0_main_GE : arg1'=0, arg2'=arg2P_1, [], cost: 2 Eliminated locations (on tree-shaped paths): Start location: __init 8: f139_0_main_GE -> f139_0_main_GE : arg1'=1+arg1, arg2'=arg2P_3, [ arg1<10 ], cost: 11 7: __init -> f139_0_main_GE : arg1'=0, arg2'=arg2P_1, [], cost: 2 Accelerating simple loops of location 1. Accelerating the following rules: 8: f139_0_main_GE -> f139_0_main_GE : arg1'=1+arg1, arg2'=arg2P_3, [ arg1<10 ], cost: 11 Accelerated rule 8 with backward acceleration, yielding the new rule 9. [accelerate] Nesting with 1 inner and 1 outer candidates Removing the simple loops: 8. Accelerated all simple loops using metering functions (where possible): Start location: __init 9: f139_0_main_GE -> f139_0_main_GE : arg1'=10, arg2'=arg2P_3, [ 10-arg1>=1 ], cost: 110-11*arg1 7: __init -> f139_0_main_GE : arg1'=0, arg2'=arg2P_1, [], cost: 2 Chained accelerated rules (with incoming rules): Start location: __init 7: __init -> f139_0_main_GE : arg1'=0, arg2'=arg2P_1, [], cost: 2 10: __init -> f139_0_main_GE : arg1'=10, arg2'=arg2P_3, [], cost: 112 Removed unreachable locations (and leaf rules with constant cost): Start location: __init ### Computing asymptotic complexity ### Fully simplified ITS problem Start location: __init 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),?)