YES bbbx1x1cccx1aax1ax1acbx12.1bcabbbbx1bx1cbbbx1cx1abbbx1ax1bcccx1baax1ccccx1caax1acccx1aaax1ax1acbx1bbbbbbbbx1bbx1bbbbbbbcx1bcx1bbbbbbbax1bax1cbbbbbbbx1cbx1cbbbbbbcx1ccx1cbbbbbbax1cax1abbbbbbbx1abx1abbbbbbcx1acx1abbbbbbax1aax1bccccccbx1baaaabx1bcccccccx1baaaacx1bccccccax1baaaaax1cccccccbx1caaaabx1ccccccccx1caaaacx1cccccccax1caaaaax1accccccbx1aaaaabx1acccccccx1aaaaacx1accccccax1aaaaaax1abx1accbbbx1acx1accbbcx1aax1accbbax11bb1111bc111ba111cb111cc1111ca1111ab1111ac111aa111abx1accbbbx1acx1accbbcx1aax1accbbax1AProVEAProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Statistics for single proof: 100.00 % (4 real / 0 unknown / 0 assumptions / 4 total proof steps)http://aprove.informatik.rwth-aachen.deJohnDoe