6.83/4.57 MAYBE 6.83/4.58 proof of /export/starexec/sandbox/benchmark/theBenchmark.koat 6.83/4.58 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 6.83/4.58 6.83/4.58 6.83/4.58 The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(1, INF). 6.83/4.58 6.83/4.58 (0) CpxIntTrs 6.83/4.58 (1) Loat Proof [FINISHED, 233 ms] 6.83/4.58 (2) BOUNDS(1, INF) 6.83/4.58 6.83/4.58 6.83/4.58 ---------------------------------------- 6.83/4.58 6.83/4.58 (0) 6.83/4.58 Obligation: 6.83/4.58 Complexity Int TRS consisting of the following rules: 6.83/4.58 eval(A, B, C) -> Com_1(eval(A + B, B - 2, C + 1)) :|: A >= 0 6.83/4.58 eval(A, B, C) -> Com_1(eval(A + C, B, C - 2)) :|: A >= 0 6.83/4.58 start(A, B, C) -> Com_1(eval(A, B, C)) :|: TRUE 6.83/4.58 6.83/4.58 The start-symbols are:[start_3] 6.83/4.58 6.83/4.58 6.83/4.58 ---------------------------------------- 6.83/4.58 6.83/4.58 (1) Loat Proof (FINISHED) 6.83/4.58 6.83/4.58 6.83/4.58 ### Pre-processing the ITS problem ### 6.83/4.58 6.83/4.58 6.83/4.58 6.83/4.58 Initial linear ITS problem 6.83/4.58 6.83/4.58 Start location: start 6.83/4.58 6.83/4.58 0: eval -> eval : A'=A+B, B'=-2+B, C'=1+C, [ A>=0 ], cost: 1 6.83/4.58 6.83/4.58 1: eval -> eval : A'=C+A, C'=-2+C, [ A>=0 ], cost: 1 6.83/4.58 6.83/4.58 2: start -> eval : [], cost: 1 6.83/4.58 6.83/4.58 6.83/4.58 6.83/4.58 ### Simplification by acceleration and chaining ### 6.83/4.58 6.83/4.58 6.83/4.58 6.83/4.58 Accelerating simple loops of location 0. 6.83/4.58 6.83/4.58 Accelerating the following rules: 6.83/4.58 6.83/4.58 0: eval -> eval : A'=A+B, B'=-2+B, C'=1+C, [ A>=0 ], cost: 1 6.83/4.58 6.83/4.58 1: eval -> eval : A'=C+A, C'=-2+C, [ A>=0 ], cost: 1 6.83/4.58 6.83/4.58 6.83/4.58 6.83/4.58 Found no metering function for rule 0. 6.83/4.58 6.83/4.58 Found no metering function for rule 1. 6.83/4.58 6.83/4.58 Removing the simple loops:. 6.83/4.58 6.83/4.58 6.83/4.58 6.83/4.58 Accelerated all simple loops using metering functions (where possible): 6.83/4.58 6.83/4.58 Start location: start 6.83/4.58 6.83/4.58 0: eval -> eval : A'=A+B, B'=-2+B, C'=1+C, [ A>=0 ], cost: 1 6.83/4.58 6.83/4.58 1: eval -> eval : A'=C+A, C'=-2+C, [ A>=0 ], cost: 1 6.83/4.58 6.83/4.58 2: start -> eval : [], cost: 1 6.83/4.58 6.83/4.58 6.83/4.58 6.83/4.58 Chained accelerated rules (with incoming rules): 6.83/4.58 6.83/4.58 Start location: start 6.83/4.58 6.83/4.58 2: start -> eval : [], cost: 1 6.83/4.58 6.83/4.58 3: start -> eval : A'=A+B, B'=-2+B, C'=1+C, [ A>=0 ], cost: 2 6.83/4.58 6.83/4.58 4: start -> eval : A'=C+A, C'=-2+C, [ A>=0 ], cost: 2 6.83/4.58 6.83/4.58 6.83/4.58 6.83/4.58 Removed unreachable locations (and leaf rules with constant cost): 6.83/4.58 6.83/4.58 Start location: start 6.83/4.58 6.83/4.58 6.83/4.58 6.83/4.58 ### Computing asymptotic complexity ### 6.83/4.58 6.83/4.58 6.83/4.58 6.83/4.58 Fully simplified ITS problem 6.83/4.58 6.83/4.58 Start location: start 6.83/4.58 6.83/4.58 6.83/4.58 6.83/4.58 Obtained the following overall complexity (w.r.t. the length of the input n): 6.83/4.58 6.83/4.58 Complexity: Unknown 6.83/4.58 6.83/4.58 Cpx degree: ? 6.83/4.58 6.83/4.58 Solved cost: 0 6.83/4.58 6.83/4.58 Rule cost: 0 6.83/4.58 6.83/4.58 Rule guard: [] 6.83/4.58 6.83/4.58 6.83/4.58 6.83/4.58 WORST_CASE(Omega(0),?) 6.83/4.58 6.83/4.58 6.83/4.58 ---------------------------------------- 6.83/4.58 6.83/4.58 (2) 6.83/4.58 BOUNDS(1, INF) 6.88/4.61 EOF