predsxxminusx0xminusxsypredminusxyquot0sy0quotsxsysquotminusxysy2.1minusxsypredminusxyminusxsyminusxyquotsxsyquotminusxysyquotsxsyminusxytruequotsxsyquotminusxysytrue123quot210s10001s11minus2100pred11minusx0xminusxsypredminusxypredsxxquotsxsyminusxyfalse12minusxsyminusxytrue1minus221s10s11minusxsypredminusxyfalse
AProVE
3d3b40ebf1f1cc0cfb76e51606fb79299fd7ea19 rene 20120105 unpublished dirty
http://aprove.informatik.rwth-aachen.de/
John
Doe