/export/starexec/sandbox2/solver/bin/starexec_run_ttt2 /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files


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failure 'Failure("No result of SMT solver - maybe due to some flag of the solver? or the solver was not found in PATH?")' in subprocess 50226
failure 'Failure("No result of SMT solver - maybe due to some flag of the solver? or the solver was not found in PATH?")' in subprocess 50932
MAYBE

Problem:
 app(x,y) -> helpa(0(),plus(length(x),length(y)),x,y)
 plus(x,0()) -> x
 plus(x,s(y)) -> s(plus(x,y))
 length(nil()) -> 0()
 length(cons(x,y)) -> s(length(y))
 helpa(c,l,ys,zs) -> if(ge(c,l),c,l,ys,zs)
 ge(x,0()) -> true()
 ge(0(),s(x)) -> false()
 ge(s(x),s(y)) -> ge(x,y)
 if(true(),c,l,ys,zs) -> nil()
 if(false(),c,l,ys,zs) -> helpb(c,l,greater(ys,zs),smaller(ys,zs))
 greater(ys,zs) -> helpc(ge(length(ys),length(zs)),ys,zs)
 smaller(ys,zs) -> helpc(ge(length(ys),length(zs)),zs,ys)
 helpc(true(),ys,zs) -> ys
 helpc(false(),ys,zs) -> zs
 helpb(c,l,cons(y,ys),zs) -> cons(y,helpa(s(c),l,ys,zs))

Proof:
 Open