WORST_CASE(Omega(1),?) ### Pre-processing the ITS problem ### Initial linear ITS problem Start location: __init 0: f1_0_main_Load -> f200_0_gcd_LE : arg1'=arg1P_1, arg2'=arg2P_1, [ arg2P_1>-1 && arg2>-1 && arg1P_1>-1 && arg1>0 ], cost: 1 1: f200_0_gcd_LE -> f200_0_gcd_LE\' : arg1'=arg1P_2, arg2'=arg2P_2, [ arg2>0 && arg1>0 && arg1==arg1P_2 && arg2==arg2P_2 ], cost: 1 2: f200_0_gcd_LE\' -> f200_0_gcd_LE : arg1'=arg1P_3, arg2'=arg2P_3, [ arg1>0 && arg2>0 && arg2>-arg2*x8_1+arg1 && -arg2*x8_1+arg1>=0 && arg2==arg1P_3 && -arg2*x8_1+arg1==arg2P_3 ], cost: 1 3: __init -> f1_0_main_Load : arg1'=arg1P_4, arg2'=arg2P_4, [], cost: 1 Checking for constant complexity: The following rule is satisfiable with cost >= 1, yielding constant complexity: 3: __init -> f1_0_main_Load : arg1'=arg1P_4, arg2'=arg2P_4, [], cost: 1 Simplified all rules, resulting in: Start location: __init 0: f1_0_main_Load -> f200_0_gcd_LE : arg1'=arg1P_1, arg2'=arg2P_1, [ arg2P_1>-1 && arg2>-1 && arg1P_1>-1 && arg1>0 ], cost: 1 1: f200_0_gcd_LE -> f200_0_gcd_LE\' : [ arg2>0 && arg1>0 ], cost: 1 2: f200_0_gcd_LE\' -> f200_0_gcd_LE : arg1'=arg2, arg2'=-arg2*x8_1+arg1, [ arg1>0 && arg2>-arg2*x8_1+arg1 && -arg2*x8_1+arg1>=0 ], cost: 1 3: __init -> f1_0_main_Load : arg1'=arg1P_4, arg2'=arg2P_4, [], cost: 1 ### Simplification by acceleration and chaining ### Eliminated locations (on linear paths): Start location: __init 5: f200_0_gcd_LE -> f200_0_gcd_LE : arg1'=arg2, arg2'=-arg2*x8_1+arg1, [ arg2>0 && arg1>0 && arg2>-arg2*x8_1+arg1 && -arg2*x8_1+arg1>=0 ], cost: 2 4: __init -> f200_0_gcd_LE : arg1'=arg1P_1, arg2'=arg2P_1, [ arg2P_1>-1 && arg2P_4>-1 && arg1P_1>-1 && arg1P_4>0 ], cost: 2 Accelerating simple loops of location 1. Accelerating the following rules: 5: f200_0_gcd_LE -> f200_0_gcd_LE : arg1'=arg2, arg2'=-arg2*x8_1+arg1, [ arg2>0 && arg1>0 && arg2>-arg2*x8_1+arg1 && -arg2*x8_1+arg1>=0 ], cost: 2 Found no closed form for 5. [accelerate] Nesting with 0 inner and 1 outer candidates Accelerated all simple loops using metering functions (where possible): Start location: __init 5: f200_0_gcd_LE -> f200_0_gcd_LE : arg1'=arg2, arg2'=-arg2*x8_1+arg1, [ arg2>0 && arg1>0 && arg2>-arg2*x8_1+arg1 && -arg2*x8_1+arg1>=0 ], cost: 2 4: __init -> f200_0_gcd_LE : arg1'=arg1P_1, arg2'=arg2P_1, [ arg2P_1>-1 && arg2P_4>-1 && arg1P_1>-1 && arg1P_4>0 ], cost: 2 Chained accelerated rules (with incoming rules): Start location: __init 4: __init -> f200_0_gcd_LE : arg1'=arg1P_1, arg2'=arg2P_1, [ arg2P_1>-1 && arg2P_4>-1 && arg1P_1>-1 && arg1P_4>0 ], cost: 2 6: __init -> f200_0_gcd_LE : arg1'=arg2P_1, arg2'=arg1P_1-arg2P_1*x8_1, [ arg2P_1>0 && arg1P_1>0 && arg2P_1>arg1P_1-arg2P_1*x8_1 && arg1P_1-arg2P_1*x8_1>=0 ], cost: 4 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),?)