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TRS Stand 20472 pair #381711528
details
property
value
status
complete
benchmark
aprove01.xml
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n069.star.cs.uiowa.edu
space
Secret_07_TRS
run statistics
property
value
solver
ttt2-1.17+nonreach
configuration
ttt2-1.17+nonreach
runtime (wallclock)
42.6387901306 seconds
cpu usage
168.883756572
max memory
1.287442432E9
stage attributes
key
value
output-size
1091
starexec-result
MAYBE
output
/export/starexec/sandbox/solver/bin/starexec_run_ttt2-1.17+nonreach /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- MAYBE Problem: times(x,y) -> sum(generate(x,y)) generate(x,y) -> gen(x,y,0()) gen(x,y,z) -> if(ge(z,x),x,y,z) if(true(),x,y,z) -> nil() if(false(),x,y,z) -> cons(y,gen(x,y,s(z))) sum(xs) -> sum2(xs,0()) sum2(xs,y) -> ifsum(isNil(xs),isZero(head(xs)),xs,y) ifsum(true(),b,xs,y) -> y ifsum(false(),b,xs,y) -> ifsum2(b,xs,y) ifsum2(true(),xs,y) -> sum2(tail(xs),y) ifsum2(false(),xs,y) -> sum2(cons(p(head(xs)),tail(xs)),s(y)) isNil(nil()) -> true() isNil(cons(x,xs)) -> false() tail(nil()) -> nil() tail(cons(x,xs)) -> xs head(cons(x,xs)) -> x head(nil()) -> error() isZero(0()) -> true() isZero(s(0())) -> false() isZero(s(s(x))) -> isZero(s(x)) p(0()) -> s(s(0())) p(s(0())) -> 0() p(s(s(x))) -> s(p(s(x))) ge(x,0()) -> true() ge(0(),s(y)) -> false() ge(s(x),s(y)) -> ge(x,y) a() -> c() a() -> d() Proof: Open
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