le0ytruelesx0falselesxsylexyminus0y0minussxyif_minuslesxysxyif_minustruesxy0if_minusfalsesxysminusxygcd0yygcdsx0sxgcdsxsyif_gcdleyxsxsyif_gcdtruesxsygcdminusxysyif_gcdfalsesxsygcdminusyxsx2.1lesxsylexyminussxyif_minuslesxysxyminussxylesxyif_minusfalsesxyminusxygcdsxsyif_gcdleyxsxsygcdsxsyleyxif_gcdtruesxsygcdminusxysyif_gcdtruesxsyminusxyif_gcdfalsesxsygcdminusyxsxif_gcdfalsesxsyminusyxtrueif_gcdtruesxsygcdminusxysygcdsxsyif_gcdleyxsxsyif_gcdfalsesxsygcdminusyxsxtrue123456if_gcd32030gcd2001120true01s10gcd23le22false00000if_gcd31true0s11gcd21minus21le221false000if_minus32minus0y0minussxyif_minuslesxysxyle0ytruelesx0falselesxsylexyif_minusfalsesxysminusxyif_minustruesxy0if_gcdtruesxsyminusxyfalse235if_gcdfalsesxsyminusyxfalse124minussxyif_minuslesxysxyif_minusfalsesxyminusxytrue13minus20010if_minus3002430s10false01002true03minus22s11if_minus32le22false000true0minussxylesxyfalse2gcdsxsyleyxfalse1lesxsylexytruele20020le20s11le2s11
AProVE
3d3b40ebf1f1cc0cfb76e51606fb79299fd7ea19 rene 20120105 unpublished dirty
http://aprove.informatik.rwth-aachen.de/
John
Doe