details

property	value
status	complete
benchmark	cade16.xml
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n187.star.cs.uiowa.edu
space	GTSSK07

run statistics

property	value
solver	NaTT v.1.6c
configuration	Default
runtime (wallclock)	0.18527 seconds
cpu usage	0.041959
user time	0.027934
system time	0.014025
max virtual memory	113188.0
max residence set size	7012.0

stage attributes

key	value
starexec-result	MAYBE

output

MAYBE Input TRS: 1: nthtail(n,l) -> cond(ge(n,length(l)),n,l) 2: cond(true(),n,l) -> l 3: cond(false(),n,l) -> tail(nthtail(s(n),l)) 4: tail(nil()) -> nil() 5: tail(cons(x,l)) -> l 6: length(nil()) -> 0() 7: length(cons(x,l)) -> s(length(l)) 8: ge(u,0()) -> true() 9: ge(0(),s(v)) -> false() 10: ge(s(u),s(v)) -> ge(u,v) Number of strict rules: 10 Direct POLO(bPol) ... failed. Uncurrying ... failed. Dependency Pairs: #1: #length(cons(x,l)) -> #length(l) #2: #ge(s(u),s(v)) -> #ge(u,v) #3: #cond(false(),n,l) -> #tail(nthtail(s(n),l)) #4: #cond(false(),n,l) -> #nthtail(s(n),l) #5: #nthtail(n,l) -> #cond(ge(n,length(l)),n,l) #6: #nthtail(n,l) -> #ge(n,length(l)) #7: #nthtail(n,l) -> #length(l) Number of SCCs: 3, DPs: 4 SCC { #1 } POLO(Sum)... succeeded. s w: 0 #nthtail w: 0 nthtail w: 0 false w: 0 #ge w: 0 true w: 0 tail w: 0 #cond w: 0 0 w: 0 ge w: 0 nil w: 0 #tail w: 0 cons w: x2 + 1 length w: 0 #length w: x1 cond w: 0 USABLE RULES: { } Removed DPs: #1 Number of SCCs: 2, DPs: 3 SCC { #2 } POLO(Sum)... succeeded. s w: x1 + 1 #nthtail w: 0 nthtail w: 0 false w: 0 #ge w: x1 + x2 true w: 0 tail w: 0 #cond w: 0 0 w: 0 ge w: 0 nil w: 0 #tail w: 0 cons w: 1 length w: 0 #length w: 0 cond w: 0 USABLE RULES: { } Removed DPs: #2 Number of SCCs: 1, DPs: 2 SCC { #4 #5 } POLO(Sum)... POLO(max)... QLPOS... POLO(mSum)... QWPOpS(mSum)... Mat2b... failed. Finding a loop... failed. popout

output may be truncated. 'popout' for the full output.

job log

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actions

all output return to TRS Standard