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Proof step 7 from proof refine-requires-commit (previous step)

# avol = # lpt0 + m4, avol[0] = mapped(buf), avol[m1] = mapped(buf0), avol[m0] = mapped(buf1), disk-layout(mksb(adr, m, m0, m1, m2, m3, m4), # lpt0), ebm-vol-inv(subarray(avol, m4, # lpt0)), ebm-vol-inv(avol), is-encoded(log, buf1), is-encoded(lpt0, lebs(avol, m3, lptlebs(# lpt0, LEB_SIZE))), is-encoded(mksb(adr, m, m0, m1, m2, m3, m4), buf), is-encoded-pad(orphans, m2, buf0), mapped-full?(avol, m3, lptlebs(# lpt0, LEB_SIZE)), m4 ≤ # avol, logoff ≠ LEB_SIZE → # buf1 = logoff ⊦ ⟪persistence_io_requires_commit#(logoff, LEB_SIZE; ; boolvar)⟫ ⟨apersistence_io_requires_commit#(adr, m, log, subarray(avol, m4, # lpt0), lpt0, orphans; ; boolvar0)⟩ (boolvar ↔ boolvar0)

Heuristic weak unfold applied rule call right

And obtained the following new goals

Proof step 8:
# avol = # lpt0 + m4, avol[m0] = mapped(buf1), avol[m1] = mapped(buf0), avol[0] = mapped(buf), m = LEB_SIZE, disk-layout(mksb(adr, m5, m0, m1, m2, m3, m4), # lpt0), ebm-vol-inv(avol), ebm-vol-inv(subarray(avol, m4, # lpt0)), is-encoded(mksb(adr, m5, m0, m1, m2, m3, m4), buf), is-encoded(lpt0, lebs(avol, m3, lptlebs(# lpt0, LEB_SIZE))), is-encoded(log, buf1), is-encoded-pad(orphans, m2, buf0), mapped-full?(avol, m3, lptlebs(# lpt0, LEB_SIZE)), m4 ≤ # avol, logoff ≠ LEB_SIZE → # buf1 = logoff ⊦ ⟪boolvar := logoff = m⟫ ⟨apersistence_io_requires_commit#(adr, m5, log, subarray(avol, m4, # lpt0), lpt0, orphans; ; boolvar0)⟩ (boolvar ↔ boolvar0)

Rule argument

pos: right 1

Additional information

Used simplifier rules: persistence_io_requires_commit#(LOGOFF, LEBSIZE; ; COMMIT?) {COMMIT? := LOGOFF = LEBSIZE};