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Proof step 9 from proof inv-add-log-leb (previous step)

m5 + # lpt = # avol, avol[m0] = mapped(buf1), avol[m2] = mapped(buf0), avol[0] = mapped(buf), avol1 = avol, disk-layout(mksb(adr, m, m0, m2, m3, m4, m5), # lpt), ebm-vol-inv(avol), is-encoded(log, buf1), is-encoded(lpt, lebs(avol, m4, lptlebs(# lpt, LEB_SIZE))), is-encoded(mksb(adr, m, m0, m2, m3, m4, m5), buf), is-encoded-pad(orphans, m3, buf0), mapped-full?(avol, m4, lptlebs(# lpt, LEB_SIZE)), logoff ≠ LEB_SIZE → # buf1 = logoff ⊦ ∀ logoff, avol, err. (err = ESUCCESS ∨ ⌊err⌋ ) ∧ ebm-vol-inv(avol) ∧ subarray(avol, m5, # lpt) = subarray(avol1, m5, # lpt) ∧ ( err = ESUCCESS → m5 + # lpt = # avol ∧ avol[0].mapped? ∧ is-encoded(mksb(adr, m, m0, m2, m3, m4, m5), avol[0].data) ∧ avol[m2].mapped? ∧ is-encoded-pad(orphans, m3, avol[m2].data) ∧ avol[m0].mapped? ∧ (logoff ≠ LEB_SIZE → # avol[m0].data = logoff) ∧ is-encoded(log + m1 ', avol[m0].data) ∧ mapped-full?(avol, m4, lptlebs(# lpt, LEB_SIZE)) ∧ is-encoded(lpt, lebs(avol, m4, lptlebs(# lpt, LEB_SIZE)))) ∧ ( err ≠ ESUCCESS → m5 + # lpt = # avol ∧ avol[0].mapped? ∧ is-encoded(mksb(adr, m, m0, m2, m3, m4, m5), avol[0].data) ∧ avol[m2].mapped? ∧ is-encoded-pad(orphans, m3, avol[m2].data) ∧ avol[m0].mapped? ∧ (logoff ≠ LEB_SIZE → # avol[m0].data = logoff) ∧ is-encoded(log, avol[m0].data) ∧ mapped-full?(avol, m4, lptlebs(# lpt, LEB_SIZE)) ∧ is-encoded(lpt, lebs(avol, m4, lptlebs(# lpt, LEB_SIZE)))) → (∃ lpt0, log, orphans. disk-layout(mksb(adr, m, m0, m2, m3, m4, m5), # lpt0) ∧ m5 + # lpt0 = # avol ∧ avol[0].mapped? ∧ is-encoded(mksb(adr, m, m0, m2, m3, m4, m5), avol[0].data) ∧ avol[m2].mapped? ∧ is-encoded-pad(orphans, m3, avol[m2].data) ∧ avol[m0].mapped? ∧ (logoff ≠ LEB_SIZE → # avol[m0].data = logoff) ∧ is-encoded(log, avol[m0].data) ∧ mapped-full?(avol, m4, lptlebs(# lpt0, LEB_SIZE)) ∧ is-encoded(lpt0, lebs(avol, m4, lptlebs(# lpt0, LEB_SIZE))))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 10:
m5 + # lpt = # avol, avol[0] = mapped(buf), avol[m2] = mapped(buf0), avol[m0] = mapped(buf1), subarray(avol0, m5, # lpt) = subarray(avol, m5, # lpt), disk-layout(mksb(adr, m, m0, m2, m3, m4, m5), # lpt), ebm-vol-inv(avol0), ebm-vol-inv(avol), is-encoded(mksb(adr, m, m0, m2, m3, m4, m5), buf), is-encoded(lpt, lebs(avol, m4, lptlebs(# lpt, LEB_SIZE))), is-encoded(log, buf1), is-encoded-pad(orphans, m3, buf0), mapped-full?(avol, m4, lptlebs(# lpt, LEB_SIZE)), err = ESUCCESS → # avol = # avol0 ∧ avol0[0].mapped? ∧ is-encoded(mksb(adr, m, m0, m2, m3, m4, m5), avol0[0].data) ∧ avol0[m2].mapped? ∧ is-encoded-pad(orphans, m3, avol0[m2].data) ∧ avol0[m0].mapped? ∧ (logoff0 ≠ LEB_SIZE → # avol0[m0].data = logoff0) ∧ is-encoded(log + m1 ', avol0[m0].data) ∧ mapped-full?(avol0, m4, lptlebs(# lpt, LEB_SIZE)) ∧ is-encoded(lpt, lebs(avol0, m4, lptlebs(# lpt, LEB_SIZE))), err ≠ ESUCCESS → # avol = # avol0 ∧ avol0[0].mapped? ∧ is-encoded(mksb(adr, m, m0, m2, m3, m4, m5), avol0[0].data) ∧ avol0[m2].mapped? ∧ is-encoded-pad(orphans, m3, avol0[m2].data) ∧ avol0[m0].mapped? ∧ (logoff0 ≠ LEB_SIZE → # avol0[m0].data = logoff0) ∧ is-encoded(log, avol0[m0].data) ∧ mapped-full?(avol0, m4, lptlebs(# lpt, LEB_SIZE)) ∧ is-encoded(lpt, lebs(avol0, m4, lptlebs(# lpt, LEB_SIZE))), logoff ≠ LEB_SIZE → # buf1 = logoff, err = ESUCCESS ∨ ⌊err⌋ ⊦ ∃ lpt0, log, orphans. disk-layout(mksb(adr, m, m0, m2, m3, m4, m5), # lpt0) ∧ m5 + # lpt0 = # avol0 ∧ avol0[0].mapped? ∧ is-encoded(mksb(adr, m, m0, m2, m3, m4, m5), avol0[0].data) ∧ avol0[m2].mapped? ∧ is-encoded-pad(orphans, m3, avol0[m2].data) ∧ avol0[m0].mapped? ∧ (logoff0 ≠ LEB_SIZE → # avol0[m0].data = logoff0) ∧ is-encoded(log, avol0[m0].data) ∧ mapped-full?(avol0, m4, lptlebs(# lpt0, LEB_SIZE)) ∧ is-encoded(lpt0, lebs(avol0, m4, lptlebs(# lpt0, LEB_SIZE)))

Proof step 9 from proof inv-add-log-leb (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information