| fo.inodes?, ro.inodes?, log-cons(log, fs), ri-cons(ri, fs), ri-inj(fi), ri-inj(ri) ⊦ ⟪choose kx, ax with ¬ dups(kx) ∧ ¬ dups(ax) ∧ new(ax, fs) ∧ kx.toSet ⊆ dom ri ∧ # kx = # ax ∧ ax.toSet ∩ log.toSet = ∅ in {fs[ax] := fs[ri[kx]], log := log + ax; ri[kx] := ax}; aubifs_core_gc_drop#(ri, log; fs); boolvar := ?⟫ (log-cons(log, fs) ∧ ri-cons(ri, fs)) |
# kx = # ax, ax.toSet ∩ log.toSet = ∅, ro.inodes?, fo.inodes?, log-cons(log, fs), new(ax, fs), ri-cons(ri, fs), ri-inj(ri), ri-inj(fi), kx.toSet ⊆ dom ri ⊦ ⟪fs[ax] := fs[ri[kx]], log := log + ax; ri[kx] := ax; aubifs_core_gc_drop#(ri, log; fs); boolvar := ?⟫ (log-cons(log, fs) ∧ ri-cons(ri, fs)), dups(ax), dups(kx)
ro.inodes?, fo.inodes?, log-cons(log, fs), ri-cons(ri, fs), ri-inj(ri), ri-inj(fi) ⊦ ∃ kx, ax. ¬ dups(kx) ∧ ¬ dups(ax) ∧ new(ax, fs) ∧ kx.toSet ⊆ dom ri ∧ # kx = # ax ∧ ax.toSet ∩ log.toSet = ∅