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Proof step 4 from proof crash-neutral-get-gc-block (previous step)

syn ↔ true, adr = adr0, ginval = ginval2, ginval0 = ginval1, gstore = gstore1, gstore0 = gstore2, istore = istore1, istore0 = istore2, maxino = maxino0, n0 = n, remove-refsize0(istore1) = istore1, remove-refsize0(gstore1) = gstore1, elems nx ∩ ginval1 = ∅, dom gstore1 ∪ elems nx = dom gstore2 ∪ ginval1, inv(istore1), inv(istore2), inv(gstore1), inv(gstore2 \ ginval1), istore1 ⊑ istore2, pstate.index? → pstate.lnum ∈ istore2, pstate.journal? → nx ≠ [] ∧ pstate.lnum = nx.last ∧ pstate.lnum ∈ gstore2 ⊦ ⟨err := ENOSPC or choose n with n ∈ dom gstore0 ∧ ¬ n ∈ nx in {n0 := n; err := ESUCCESS} ifnone err := ENOSPC⟩ true, dups(nx)

Heuristic symbolic execution applied rule or right

And obtained the following new goals

Proof step 5:
syn ↔ true, adr = adr0, ginval = ginval2, ginval0 = ginval1, gstore = gstore1, gstore0 = gstore2, istore = istore1, istore0 = istore2, maxino = maxino0, n0 = n, remove-refsize0(gstore1) = gstore1, remove-refsize0(istore1) = istore1, elems nx ∩ ginval1 = ∅, dom gstore1 ∪ elems nx = dom gstore2 ∪ ginval1, inv(gstore2 \ ginval1), inv(gstore1), inv(istore2), inv(istore1), istore1 ⊑ istore2, pstate.journal? → nx ≠ [] ∧ pstate.lnum = nx.last ∧ pstate.lnum ∈ gstore2, pstate.index? → pstate.lnum ∈ istore2 ⊦ ⟨choose n with n ∈ dom gstore0 ∧ ¬ n ∈ nx in {n0 := n; err := ESUCCESS} ifnone err := ENOSPC⟩ true, ⟨err := ENOSPC⟩ true, dups(nx)

Proof step 4 from proof crash-neutral-get-gc-block (previous step)

Heuristic symbolic execution applied rule or right

And obtained the following new goals

Rule argument

Additional information