le0ytruelesx0falselesxsylexyminusx0xminussxsyminusxygcd0yygcdsx0sxgcdsxsyif_gcdleyxsxsyif_gcdtruesxsygcdminusxysyif_gcdfalsesxsygcdminusyxsx2.1lesxsylexyminussxsyminusxygcdsxsyif_gcdleyxsxsygcdsxsyleyxif_gcdtruesxsygcdminusxysyif_gcdtruesxsyminusxyif_gcdfalsesxsygcdminusyxsxif_gcdfalsesxsyminusyxtruegcdsxsyif_gcdleyxsxsyif_gcdtruesxsygcdminusxysyif_gcdfalsesxsygcdminusyxsxtrue12345gcd21120if_gcd300201gcd20s1111if_gcd313le20true00minus211false00000minusx0xminussxsyminusxygcdsxsyleyxfalse3lesxsylexytrue3le200201le21s1111if_gcdtruesxsyminusxyfalse2if_gcdfalsesxsyminusyxfalseminussxsyminusxytrueminus200201minus21s1111
AProVE
3d3b40ebf1f1cc0cfb76e51606fb79299fd7ea19 rene 20120105 unpublished dirty
http://aprove.informatik.rwth-aachen.de/
John
Doe