WORST_CASE(?, O(n^1)) ortrueytrueorxtruetrueorfalsefalsefalsememxnilfalsememxsety=xymemxunionyzormemxymemxztrue0false0nil0set1=2union2or2mem212.1ortruez0trueortruez0corz0truetrueorz0truec1orfalsefalsefalseorfalsefalsec2memz0nilfalsememz0nilc3memz0setz1=z0z1memz0setz1c4memz0unionz1z2ormemz0z1memz0z2memz0unionz1z2c5ormemz0z1memz0z2memz0z1memz0z2ortruez0orz0trueorfalsefalsememz0nilmemz0setz1memz0unionz1z21c00c100c200c300c400c531101213or2120mem2111or21mem2120nil01false01set1111=2111union211112true00ortruez0corz0truec1orfalsefalsec2memz0nilc3memz0setz1c4ortruez0corz0truec1orfalsefalsec2memz0nilc3memz0setz1c4memz0unionz1z2c5ormemz0z1memz0z2memz0z1memz0z21c00c100c200c300c400c531101213or211012mem2112or20mem2120nil01false01set1111=2120union211112true01memz0unionz1z2c5ormemz0z1memz0z2memz0z1memz0z2ortruez0corz0truec1orfalsefalsec2memz0nilc3memz0setz1c4memz0unionz1z2c5ormemz0z1memz0z2memz0z1memz0z2AProVEAProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Statistics for single proof: 100.00 % (4 real / 0 unknown / 0 assumptions / 4 total proof steps)http://aprove.informatik.rwth-aachen.deJohnDoe