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Proof step 4 from proof crash-neutral-allocate-gnd (previous step)

syn ↔ true, fi = fi1, fi0 = fi2, ginval0 = ginval2, ginval1 = ginval, gstore1 = crash(gstore, gstore0, ginval, nx), maxino = maxino0, nx0 = nx, remove-refsize0(gstore0) = gstore0, elems nx ∩ ginval = ∅, dom gstore0 ∪ elems nx = dom gstore ∪ ginval, inv(gstore0), inv(gstore \ ginval), ri-inj(fi1), ri-inj(fi2) ⊦ ⟨if syn then {fail_or_success#(; ; err); if err = ESUCCESS then choose n with ¬ n ∈ gstore in gstore[n] := groupblock([], [], 0), nx := nx + n, ginval := ginval -- n} else abort⟩ (ginval1 = ginval ∧ gstore1 = crash(gstore, gstore0, ginval, nx) ∧ nx0 = nx), dups(nx)

Heuristic symbolic execution applied rule if positive right

And obtained the following new goals

Proof step 5:
syn ↔ true, fi = fi1, fi0 = fi2, ginval0 = ginval2, ginval1 = ginval, gstore1 = crash(gstore, gstore0, ginval, nx), maxino = maxino0, nx0 = nx, remove-refsize0(gstore0) = gstore0, elems nx ∩ ginval = ∅, dom gstore0 ∪ elems nx = dom gstore ∪ ginval, inv(gstore \ ginval), inv(gstore0), ri-inj(fi2), ri-inj(fi1) ⊦ ⟨fail_or_success#(; ; err); if err = ESUCCESS then choose n with ¬ n ∈ gstore in gstore[n] := groupblock([], [], 0), nx := nx + n, ginval := ginval -- n⟩ (ginval1 = ginval ∧ gstore1 = crash(gstore, gstore0, ginval, nx) ∧ nx0 = nx), dups(nx)

Proof step 4 from proof crash-neutral-allocate-gnd (previous step)

Heuristic symbolic execution applied rule if positive right

And obtained the following new goals

Rule argument

Additional information