U62ttslengthLzeroscons0U11ttttU21ttttU31ttttU41ttU42isNatIListU42ttttU51ttU52isNatListU52ttttU61ttU62isNatisNatttisNatU11isNatListisNatU21isNatisNatIListU31isNatListisNatIListttisNatIListU41isNatisNatListttisNatListU51isNatlengthnil0lengthconsNU61isNatList2.0
AProVE
cb833845625c1ead9ffe8258c791cc945104daa0 rene 20110429 unpublished dirty
http://aprove.informatik.rwth-aachen.de/
John
Doe