YES abaax1cbabax1acbx1aabcbax12.1abaax1abax1acbx1aabcbax1acbx1abcbax1acbx1ax1trueacbx1ax1true1c111b111a111acbx1ax1acbx1ax11true1abaax1abax1true1a1-221b1-21a121c12acbx1aabcbax1falseacbx1abcbax1falseAProVEAProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Statistics for single proof: 100.00 % (6 real / 0 unknown / 0 assumptions / 6 total proof steps)http://aprove.informatik.rwth-aachen.deJohnDoe