minusx0xminussxsyminusxyquot0sy0quotsxsysquotminusxysyappnilyyappaddnxyaddnappxyreversenilnilreverseaddnxappreversexaddnnilshufflenilnilshuffleaddnxaddnshufflereversexconcatleafyyconcatconsuvyconsuconcatvyless_leavesxleaffalseless_leavesleafconswztrueless_leavesconsuvconswzless_leavesconcatuvconcatwz2.110minussxsyminusxyquotsxsyquotminusxysyquotsxsyminusxyappaddnxyappxyreverseaddnxappreversexaddnnilreverseaddnxreversexshuffleaddnxshufflereversexshuffleaddnxreversexconcatconsuvyconcatvyless_leavesconsuvconswzless_leavesconcatuvconcatwzless_leavesconsuvconswzconcatuvless_leavesconsuvconswzconcatwztrueshuffleaddnxshufflereversextruereversenilnilreverseaddnxappreversexaddnnilappnilyyappaddnxyaddnappxyappnilx0appaddx0x1x2reversenilreverseaddx0x11reverse111nil00add222112app21112shuffle111reversenilnilreverseaddnxappreversexaddnnilappnilyyappaddnxyaddnappxyshuffleaddnxreversexfalsequotsxsyquotminusxysytrueminusx0xminussxsyminusxyminusx00minussx0sx11s101quot21s11minus21reverseaddnxreversextruereverseaddnxreversex1true1less_leavesconsuvconswzless_leavesconcatuvconcatwztrueconcatleafyyconcatconsuvyconsuconcatvyconcatleafx0concatconsx0x1x21concat21112leaf00cons212112less_leaves21112concatconsuvyconsuconcatvyconcatleafyyconcatconsuvyconsuconcatvyquotsxsyminusxyfalsereverseaddnxappreversexaddnnilfalseless_leavesconsuvconswzconcatuvfalseless_leavesconsuvconswzconcatwzfalseminussxsyminusxytrueminussxsyminusxy1true12true2appaddnxyappxytrueappaddnxyappxy1true12false2concatconsuvyconcatvytrueconcatconsuvyconcatvy1true12false2AProVEAProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty Statistics for single proof: 100.00 % (27 real / 0 unknown / 0 assumptions / 27 total proof steps)http://aprove.informatik.rwth-aachen.deJohnDoe