YES ax1x1abx1cbcbx1bx1aax1ccx1x12.1abcaax1ax1bax1bx1cax1cx1aabx1acbcbx1babx1bcbcbx1cabx1ccbcbx1abx1aaax1bbx1baax1cbx1caax1accx1ax1bccx1bx1cccx1cx1aaaax1aax1aaabx1abx1aaacx1acx1baaax1bax1baabx1bbx1baacx1bcx1caaax1cax1caabx1cbx1caacx1ccx1aaabbax1accbbccbbax1aaabbbx1accbbccbbbx1aaabbcx1accbbccbbcx1baabbax1bccbbccbbax1baabbbx1bccbbccbbbx1baabbcx1bccbbccbbcx1caabbax1cccbbccbbax1caabbbx1cccbbccbbbx1caabbcx1cccbbccbbcx1abbax1aaaaaax1abbbx1aaaaabx1abbcx1aaaaacx1bbbax1baaaaax1bbbbx1baaaabx1bbbcx1baaaacx1cbbax1caaaaax1cbbbx1caaaabx1cbbcx1caaaacx1accccax1aax1accccbx1abx1acccccx1acx1bccccax1bax1bccccbx1bbx1bcccccx1bcx1cccccax1cax1cccccbx1cbx1ccccccx1ccx11aa111ab1112ac1111ba111bb1112bc1111ca111cb111cc1111aaaax1aax1aaabx1abx1aaacx1acx1baaax1bax1baabx1bbx1baacx1bcx1caaax1cax1caacx1ccx1aaabbax1accbbccbbax1aaabbbx1accbbccbbbx1aaabbcx1accbbccbbcx1baabbax1bccbbccbbax1baabbbx1bccbbccbbbx1baabbcx1bccbbccbbcx1caabbax1cccbbccbbax1caabbbx1cccbbccbbbx1caabbcx1cccbbccbbcx1cbbax1caaaaax1cbbbx1caaaabx1cbbcx1caaaacx1accccbx1abx1bccccbx1bbx11aa111ab111ac111ba1111bb111bc111ca111cc111cb111aaaax1aax1aaabx1abx1aaacx1acx1baaax1bax1caaax1cax1caacx1ccx1aaabbax1accbbccbbax1aaabbbx1accbbccbbbx1aaabbcx1accbbccbbcx1caabbax1cccbbccbbax1caabbbx1cccbbccbbbx1caabbcx1cccbbccbbcx1cbbbx1caaaabx1cbbcx1caaaacx1accccbx1abx1bccccbx1bbx1baaax1bax1caaax1cax1aaabbax1accbbccbbax1aaabbax1cbbccbbax1aaabbax1bccbbax1aaabbax1cbbax1aaabbbx1accbbccbbbx1aaabbbx1cbbccbbbx1aaabbbx1bccbbbx1aaabbbx1cbbbx1aaabbcx1accbbccbbcx1aaabbcx1cbbccbbcx1aaabbcx1bccbbcx1aaabbcx1cbbcx1caabbax1cbbccbbax1caabbax1bccbbax1caabbax1cbbax1caabbbx1cbbccbbbx1caabbbx1bccbbbx1caabbbx1cbbbx1caabbcx1cbbccbbcx1caabbcx1bccbbcx1caabbcx1cbbcx1cbbbx1caaaabx1cbbbx1aaabx1cbbcx1caaaacx1cbbcx1aaacx1cbbcx1acx1truecaabbax1cbbccbbax1cbbbx1caaaabx1caaax1cax1caabbax1cbbax1cbbbx1aaabx1aaabbax1cbbccbbax1cbbcx1caaaacx1caabbbx1cbbccbbbx1cbbcx1aaacx1aaabbax1cbbax1aaabbbx1cbbccbbbx1aaabbbx1cbbbx1aaabbcx1cbbccbbcx1aaabbcx1cbbcx1caabbbx1cbbbx1caabbcx1cbbccbbcx1caabbcx1cbbcx1true1ca1111ab11ba10cb1111bc11cb10bb11aa111aa1111ac11ca10cc10caabbax1cbbccbbax1cbbbx1caaaabx1caaax1cax1cbbbx1aaabx1aaabbax1cbbccbbax1cbbcx1caaaacx1caabbbx1cbbccbbbx1cbbcx1aaacx1aaabbbx1cbbccbbbx1aaabbbx1cbbbx1aaabbcx1cbbccbbcx1aaabbcx1cbbcx1caabbbx1cbbbx1caabbcx1cbbccbbcx1caabbcx1cbbcx1baaax1bax1bccccbx1bbx1aaabx1abx1aaabbax1accbbccbbax1aaabbbx1accbbccbbbx1aaabbcx1accbbccbbcx1accccbx1abx1aaaax1aax1aaacx1acx11cb1-221bc121cb1-11ca1121ac11ba11aa11bb121ca111ab11cc111aa121caaax1cax1aaabbax1cbbccbbax1aaabbbx1cbbccbbbx1aaabbcx1cbbccbbcx1caaax1cax1true1aa111ca111caaax1cax1caaax1cax11true1aaabbax1cbbccbbax1falseaaabbbx1cbbccbbbx1falseaaabbcx1cbbccbbcx1falsebaaax1bax1true1aa111ba111baaax1bax1baaax1bax11true1aaabbax1accbbccbbax1falseaaabbax1bccbbax1falseaaabbbx1accbbccbbbx1falseaaabbbx1bccbbbx1falseaaabbcx1accbbccbbcx1falseaaabbcx1bccbbcx1falsecaabbax1bccbbax1falsecaabbbx1bccbbbx1falsecaabbcx1bccbbcx1falsecbbcx1acx1falseAProVEAProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Statistics for single proof: 100.00 % (13 real / 0 unknown / 0 assumptions / 13 total proof steps)http://aprove.informatik.rwth-aachen.deJohnDoe