le0ytruelesx0falselesxsylexyminusx0xminussxsyminusxygcd0yygcdsx0sxgcdsxsyif_gcdleyxsxsyif_gcdtruesxsygcdminusxysyif_gcdfalsesxsygcdminusyxsx2.1lesxsylexyminussxsyminusxygcdsxsyif_gcdleyxsxsygcdsxsyleyxif_gcdtruesxsygcdminusxysyif_gcdtruesxsyminusxyif_gcdfalsesxsygcdminusyxsxif_gcdfalsesxsyminusyxtruegcdsxsyif_gcdleyxsxsyif_gcdtruesxsygcdminusxysyif_gcdfalsesxsygcdminusyxsxtrue12345gcd21620if_gcd3102630s11le20true00false00002s11le2true0minus21false000gcdsxsyif_gcdleyxsxsyif_gcdtruesxsygcdminusxysyle0ytruelesx0falselesxsylexyminusx0xminussxsyminusxygcd210if_gcd31120s12le21true00004false03s11le22true0minus2100false0gcdsxsyif_gcdleyxsxsyle0ytruelesx0falselesxsylexyminusx0xminussxsyminusxygcdsxsyif_gcdleyxsxsyfalsegcdsxsyleyxfalse3lesxsylexytrue3le221s10s11if_gcdtruesxsyminusxyfalse2if_gcdfalsesxsyminusyxfalseminussxsyminusxytrueminus221s10s11
AProVE
3d3b40ebf1f1cc0cfb76e51606fb79299fd7ea19 rene 20120105 unpublished dirty
http://aprove.informatik.rwth-aachen.de/
John
Doe