minusx0xminussxsyminusxyquot0sy0quotsxsysquotminusxysyplus0yyplussxysplusxyminusminusxyzminusxplusyz2.1minussxsyminusxyquotsxsyquotminusxysyquotsxsyminusxyplussxyplusxyminusminusxyzminusxplusyzminusminusxyzplusyztruequotsxsyquotminusxysytrue1234quot211s10001plus20quot22s11minus2100plus21minusx0xminusminusxyzminusxplusyzminussxsyminusxyquotsxsyminusxyfalse123minusminusxyzminusxplusyzminussxsyminusxytrue12minus20020minus20minus21002minus212minus21plus22s1100minussxsyminusxyplus0yyplussxysplusxyminus220s10minus21s11minusminusxyzplusyzfalse1plussxyplusxytrueplus211s10plus22s11
AProVE
3d3b40ebf1f1cc0cfb76e51606fb79299fd7ea19 rene 20120105 unpublished dirty
http://aprove.informatik.rwth-aachen.de/
John
Doe