abx1x1acx1bcabcax1bcx1x12.1acx1bcabcax1acx1abcax1acx1bcax1acx1ax1trueacx1ax1acx1abcax1true1a1-221b1-21c121a121acx1abcax11321a101141c114211b101121a101211acx1bcabcax1falseacx1bcax1falseAProVEAProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty Statistics for single proof: 100.00 % (5 real / 0 unknown / 0 assumptions / 5 total proof steps)http://aprove.informatik.rwth-aachen.deJohnDoe