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Proof step 14 from proof crash-neutral-add-ind (previous step)

adr = adr1, ginval = ginval2, ginval0 = ginval1, gstore = gstore1, gstore0 = gstore2, istore1 = remove-refsize0(crash(istore, istore0)), pstate = index(m), remove-refsize0(gstore1) = gstore1, remove-refsize0(istore0) = istore0, syn, elems nx ∩ ginval1 = ∅, dom gstore1 ∪ elems nx = dom gstore2 ∪ ginval1, inv(gstore2 \ ginval1), inv(gstore1), inv(istore), inv(istore0), m ∈ istore, istore0 ⊑ istore ⊦ ∃ maxino, err. (pstate.index? ∨ pstate.journal?) ∧ (¬ @(pstate.lnum, maxino, ind.flashsize) ∈ istore ∧ err = ESUCCESS ∨ ⌊err⌋ ) ∧ ⟨adr := @(pstate.lnum, maxino, ind.flashsize), err0 := err; if err0 = ESUCCESS then {istore[pstate.lnum].indlist := istore[pstate.lnum].indlist + ind; istore[pstate.lnum].ladrlist := istore[pstate.lnum].ladrlist + @(adr.pos, adr.size)} else adr := ?, pstate := readonly; syn := ?⟩ (syn ∧ istore1 = remove-refsize0(crash(istore, istore0))), dups(nx)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 15:
istore1 = remove-refsize0(crash(istore, istore0)), remove-refsize0(istore0) = istore0, remove-refsize0(gstore1) = gstore1, elems nx ∩ ginval1 = ∅, dom gstore1 ∪ elems nx = dom gstore2 ∪ ginval1, inv(istore0), inv(istore), inv(gstore1), inv(gstore2 \ ginval1), m ∈ istore, istore0 ⊑ istore, ¬ dups(nx) ⊦ ∃ maxino, err. (¬ @(m, maxino, ind.flashsize) ∈ istore ∧ err = ESUCCESS ∨ ⌊err⌋ ) ∧ ⟨adr := @(index(m).lnum, maxino, ind.flashsize), err0 := err; if err0 = ESUCCESS then {istore[index(m).lnum].indlist := istore[index(m).lnum].indlist + ind '; istore[index(m).lnum].ladrlist := istore[index(m).lnum].ladrlist + @(adr.pos, adr.size) '} else adr := ?, pstate := readonly; syn := ?⟩ (syn ∧ istore1 = remove-refsize0(crash(istore, istore0)))

Rule argument

Additional information

Used simplifier rules: ⊦ lax + ladr = lax + ladr '; (s)% ⊦ indx + ind = indx + ind '; (s)% ⊦ index(m).lnum = m; (s)% ⊦ index(m).index?; (s)