ackinsXsYu21ackinsXYXu21ackoutXYu22ackinYX2.1ackin21s10u2121ackin212s11u21221ackout11u2211u21ackoutXYu22ackinYX1ackout101u22111u21220ackin230AProVEAProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty Statistics for single proof: 100.00 % (3 real / 0 unknown / 0 assumptions / 3 total proof steps)http://aprove.informatik.rwth-aachen.deJohnDoe