concatleafYYconcatconsUVYconsUconcatVYlessleavesXleaffalselessleavesleafconsWZtruelessleavesconsUVconsWZlessleavesconcatUVconcatWZ2.1concatconsUVYconcatVYlessleavesconsUVconsWZlessleavesconcatUVconcatWZlessleavesconsUVconsWZconcatUVlessleavesconsUVconsWZconcatWZtruelessleavesconsUVconsWZlessleavesconcatUVconcatWZtrue1231lessleaves21112cons211112concat21112leaf00concatleafYYconcatconsUVYconsUconcatVYlessleavesconsUVconsWZconcatUVfalse2lessleavesconsUVconsWZconcatWZfalse1concatconsUVYconcatVYtrue1concat211cons2112
AProVE
d08497719f481e0c456d436c39d857ef33ce6dc3 rene 20120104 unpublished dirty
http://aprove.informatik.rwth-aachen.de/
John
Doe