YES ax1x1aax1ababx1bbbbx1ax12.1abaax1ababx1aax1ax1bax1bx1abbbbx1aax1bbbbbx1bax1aaaax1abbaabbax1aaabx1abbaabbbx1aaaax1aax1aaabx1abx1baaax1bax1baabx1bbx1abbbbbbbbax1aaaax1abbbbbbbbbx1aaabx1bbbbbbbbbax1baaax1bbbbbbbbbbx1baabx11aa1112ab111ba1111bb1111aaabx1abbaabbbx1baabx1bbx1abbbbbbbbax1aaaax1aaabx1abbaabbbx1aaabx1baabbbx1aaabx1abbbx1abbbbbbbbax1aaaax1abbbbbbbbax1aax1trueabbbbbbbbax1aaaax1aaabx1abbaabbbx1abbbbbbbbax1aax1aaabx1abbbx1true1ab1121bb121ba111aa141aa141ab1121aaabx1baabbbx1falseAProVEAProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Statistics for single proof: 100.00 % (7 real / 0 unknown / 0 assumptions / 7 total proof steps)http://aprove.informatik.rwth-aachen.deJohnDoe