3.08/1.53 WORST_CASE(NON_POLY, ?) 3.08/1.54 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 3.08/1.54 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.08/1.54 3.08/1.54 3.08/1.54 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.08/1.54 3.08/1.54 (0) CpxTRS 3.08/1.54 (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 3.08/1.54 (2) TRS for Loop Detection 3.08/1.54 (3) InfiniteLowerBoundProof [FINISHED, 0 ms] 3.08/1.54 (4) BOUNDS(INF, INF) 3.08/1.54 3.08/1.54 3.08/1.54 ---------------------------------------- 3.08/1.54 3.08/1.54 (0) 3.08/1.54 Obligation: 3.08/1.54 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.08/1.54 3.08/1.54 3.08/1.54 The TRS R consists of the following rules: 3.08/1.54 3.08/1.54 incr(nil) -> nil 3.08/1.54 incr(cons(X, L)) -> cons(s(X), incr(L)) 3.08/1.54 adx(nil) -> nil 3.08/1.54 adx(cons(X, L)) -> incr(cons(X, adx(L))) 3.08/1.54 nats -> adx(zeros) 3.08/1.54 zeros -> cons(0, zeros) 3.08/1.54 head(cons(X, L)) -> X 3.08/1.54 tail(cons(X, L)) -> L 3.08/1.54 3.08/1.54 S is empty. 3.08/1.54 Rewrite Strategy: FULL 3.08/1.54 ---------------------------------------- 3.08/1.54 3.08/1.54 (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 3.08/1.54 Transformed a relative TRS into a decreasing-loop problem. 3.08/1.54 ---------------------------------------- 3.08/1.54 3.08/1.54 (2) 3.08/1.54 Obligation: 3.08/1.54 Analyzing the following TRS for decreasing loops: 3.08/1.54 3.08/1.54 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.08/1.54 3.08/1.54 3.08/1.54 The TRS R consists of the following rules: 3.08/1.54 3.08/1.54 incr(nil) -> nil 3.08/1.54 incr(cons(X, L)) -> cons(s(X), incr(L)) 3.08/1.54 adx(nil) -> nil 3.08/1.54 adx(cons(X, L)) -> incr(cons(X, adx(L))) 3.08/1.54 nats -> adx(zeros) 3.08/1.54 zeros -> cons(0, zeros) 3.08/1.54 head(cons(X, L)) -> X 3.08/1.54 tail(cons(X, L)) -> L 3.08/1.54 3.08/1.54 S is empty. 3.08/1.54 Rewrite Strategy: FULL 3.08/1.54 ---------------------------------------- 3.08/1.54 3.08/1.54 (3) InfiniteLowerBoundProof (FINISHED) 3.08/1.54 The following loop proves infinite runtime complexity: 3.08/1.54 3.08/1.54 The rewrite sequence 3.08/1.54 3.08/1.54 zeros ->^+ cons(0, zeros) 3.08/1.54 3.08/1.54 gives rise to a decreasing loop by considering the right hand sides subterm at position [1]. 3.08/1.54 3.08/1.54 The pumping substitution is [ ]. 3.08/1.54 3.08/1.54 The result substitution is [ ]. 3.08/1.54 3.08/1.54 3.08/1.54 3.08/1.54 3.08/1.54 ---------------------------------------- 3.08/1.54 3.08/1.54 (4) 3.08/1.54 BOUNDS(INF, INF) 3.20/1.57 EOF