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TRS Stand 20472 pair #381710533
details
property
value
status
complete
benchmark
qsortmiddle.xml
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n006.star.cs.uiowa.edu
space
AProVE_09_Inductive
run statistics
property
value
solver
ttt2-1.17+nonreach
configuration
ttt2-1.17+nonreach
runtime (wallclock)
42.3937249184 seconds
cpu usage
142.799618533
max memory
1.123790848E9
stage attributes
key
value
output-size
1519
starexec-result
MAYBE
output
/export/starexec/sandbox2/solver/bin/starexec_run_ttt2-1.17+nonreach /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- MAYBE Problem: qsort(xs) -> qs(half(length(xs)),xs) qs(n,nil()) -> nil() qs(n,cons(x,xs)) -> append(qs(half(n),filterlow(get(n,cons(x,xs)),cons(x,xs))),cons(get(n,cons(x,xs)), qs(half(n), filterhigh ( get(n,cons(x,xs)),cons(x,xs))))) filterlow(n,nil()) -> nil() filterlow(n,cons(x,xs)) -> if1(ge(n,x),n,x,xs) if1(true(),n,x,xs) -> filterlow(n,xs) if1(false(),n,x,xs) -> cons(x,filterlow(n,xs)) filterhigh(n,nil()) -> nil() filterhigh(n,cons(x,xs)) -> if2(ge(x,n),n,x,xs) if2(true(),n,x,xs) -> filterhigh(n,xs) if2(false(),n,x,xs) -> cons(x,filterhigh(n,xs)) ge(x,0()) -> true() ge(0(),s(x)) -> false() ge(s(x),s(y)) -> ge(x,y) append(nil(),ys()) -> ys() append(cons(x,xs),ys()) -> cons(x,append(xs,ys())) length(nil()) -> 0() length(cons(x,xs)) -> s(length(xs)) half(0()) -> 0() half(s(0())) -> 0() half(s(s(x))) -> s(half(x)) get(n,nil()) -> 0() get(n,cons(x,nil())) -> x get(0(),cons(x,cons(y,xs))) -> x get(s(n),cons(x,cons(y,xs))) -> get(n,cons(y,xs)) Proof: Open
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