1092.33/291.53 WORST_CASE(Omega(n^1), ?) 1092.33/291.53 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 1092.33/291.53 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 1092.33/291.53 1092.33/291.53 1092.33/291.53 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 1092.33/291.53 1092.33/291.53 (0) CpxTRS 1092.33/291.53 (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 1092.33/291.53 (2) TRS for Loop Detection 1092.33/291.53 (3) DecreasingLoopProof [LOWER BOUND(ID), 0 ms] 1092.33/291.53 (4) BEST 1092.33/291.53 (5) proven lower bound 1092.33/291.53 (6) LowerBoundPropagationProof [FINISHED, 0 ms] 1092.33/291.53 (7) BOUNDS(n^1, INF) 1092.33/291.53 (8) TRS for Loop Detection 1092.33/291.53 1092.33/291.53 1092.33/291.53 ---------------------------------------- 1092.33/291.53 1092.33/291.53 (0) 1092.33/291.53 Obligation: 1092.33/291.53 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 1092.33/291.53 1092.33/291.53 1092.33/291.53 The TRS R consists of the following rules: 1092.33/291.53 1092.33/291.53 top(sent(x)) -> top(check(rest(x))) 1092.33/291.53 rest(nil) -> sent(nil) 1092.33/291.53 rest(cons(x, y)) -> sent(y) 1092.33/291.53 check(sent(x)) -> sent(check(x)) 1092.33/291.53 check(rest(x)) -> rest(check(x)) 1092.33/291.53 check(cons(x, y)) -> cons(check(x), y) 1092.33/291.53 check(cons(x, y)) -> cons(x, check(y)) 1092.33/291.53 check(cons(x, y)) -> cons(x, y) 1092.33/291.53 1092.33/291.53 S is empty. 1092.33/291.53 Rewrite Strategy: FULL 1092.33/291.53 ---------------------------------------- 1092.33/291.53 1092.33/291.53 (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 1092.33/291.53 Transformed a relative TRS into a decreasing-loop problem. 1092.33/291.53 ---------------------------------------- 1092.33/291.53 1092.33/291.53 (2) 1092.33/291.53 Obligation: 1092.33/291.53 Analyzing the following TRS for decreasing loops: 1092.33/291.53 1092.33/291.53 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 1092.33/291.53 1092.33/291.53 1092.33/291.53 The TRS R consists of the following rules: 1092.33/291.53 1092.33/291.53 top(sent(x)) -> top(check(rest(x))) 1092.33/291.53 rest(nil) -> sent(nil) 1092.33/291.53 rest(cons(x, y)) -> sent(y) 1092.33/291.53 check(sent(x)) -> sent(check(x)) 1092.33/291.53 check(rest(x)) -> rest(check(x)) 1092.33/291.53 check(cons(x, y)) -> cons(check(x), y) 1092.33/291.53 check(cons(x, y)) -> cons(x, check(y)) 1092.33/291.53 check(cons(x, y)) -> cons(x, y) 1092.33/291.53 1092.33/291.53 S is empty. 1092.33/291.53 Rewrite Strategy: FULL 1092.33/291.53 ---------------------------------------- 1092.33/291.53 1092.33/291.53 (3) DecreasingLoopProof (LOWER BOUND(ID)) 1092.33/291.53 The following loop(s) give(s) rise to the lower bound Omega(n^1): 1092.33/291.53 1092.33/291.53 The rewrite sequence 1092.33/291.53 1092.33/291.53 check(cons(x, y)) ->^+ cons(check(x), y) 1092.33/291.53 1092.33/291.53 gives rise to a decreasing loop by considering the right hand sides subterm at position [0]. 1092.33/291.53 1092.33/291.53 The pumping substitution is [x / cons(x, y)]. 1092.33/291.53 1092.33/291.53 The result substitution is [ ]. 1092.33/291.53 1092.33/291.53 1092.33/291.53 1092.33/291.53 1092.33/291.53 ---------------------------------------- 1092.33/291.53 1092.33/291.53 (4) 1092.33/291.53 Complex Obligation (BEST) 1092.33/291.53 1092.33/291.53 ---------------------------------------- 1092.33/291.53 1092.33/291.53 (5) 1092.33/291.53 Obligation: 1092.33/291.53 Proved the lower bound n^1 for the following obligation: 1092.33/291.53 1092.33/291.53 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 1092.33/291.53 1092.33/291.53 1092.33/291.53 The TRS R consists of the following rules: 1092.33/291.53 1092.33/291.53 top(sent(x)) -> top(check(rest(x))) 1092.33/291.53 rest(nil) -> sent(nil) 1092.33/291.53 rest(cons(x, y)) -> sent(y) 1092.33/291.53 check(sent(x)) -> sent(check(x)) 1092.33/291.53 check(rest(x)) -> rest(check(x)) 1092.33/291.53 check(cons(x, y)) -> cons(check(x), y) 1092.33/291.53 check(cons(x, y)) -> cons(x, check(y)) 1092.33/291.53 check(cons(x, y)) -> cons(x, y) 1092.33/291.53 1092.33/291.53 S is empty. 1092.33/291.53 Rewrite Strategy: FULL 1092.33/291.53 ---------------------------------------- 1092.33/291.53 1092.33/291.53 (6) LowerBoundPropagationProof (FINISHED) 1092.33/291.53 Propagated lower bound. 1092.33/291.53 ---------------------------------------- 1092.33/291.53 1092.33/291.53 (7) 1092.33/291.53 BOUNDS(n^1, INF) 1092.33/291.53 1092.33/291.53 ---------------------------------------- 1092.33/291.53 1092.33/291.53 (8) 1092.33/291.53 Obligation: 1092.33/291.53 Analyzing the following TRS for decreasing loops: 1092.33/291.53 1092.33/291.53 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 1092.33/291.53 1092.33/291.53 1092.33/291.53 The TRS R consists of the following rules: 1092.33/291.53 1092.33/291.53 top(sent(x)) -> top(check(rest(x))) 1092.33/291.53 rest(nil) -> sent(nil) 1092.33/291.53 rest(cons(x, y)) -> sent(y) 1092.33/291.53 check(sent(x)) -> sent(check(x)) 1092.33/291.53 check(rest(x)) -> rest(check(x)) 1092.33/291.53 check(cons(x, y)) -> cons(check(x), y) 1092.33/291.53 check(cons(x, y)) -> cons(x, check(y)) 1092.33/291.53 check(cons(x, y)) -> cons(x, y) 1092.33/291.53 1092.33/291.53 S is empty. 1092.33/291.53 Rewrite Strategy: FULL 1093.30/291.84 EOF