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Proof step 8 from proof crash-neutral-recovery (previous step)

remove-refsize0(gstore3) = gstore3, elems nx ∩ ginval = ∅, dom gstore3 ∪ elems nx = dom gstore4 ∪ ginval, inv(gstore3), inv(gstore4 \ ginval), ri-inj(fi0), ri-inj(fi), ¬ dups(nx) ⊦ ∃ err0. (⌊err0⌋ ∨ err0 = ESUCCESS) ∧ ⟨err := err0; nx2 := nx; maxino := maxino3; gstore1 := crash(gstore4, gstore3, ginval, nx); gstore0 := gstore4; gstore := gstore3; ginval4 := ginval; ginval0 := ginval2; fi1 := fi0; if err = ESUCCESS then maxino0 := maxino, syn := true, nx0 := nx, ginval1 := ginval0, fi := fi0 else ginval := ?, syn := ?, gstore0 := ?, gstore := ?, nx := ?, maxino := ?, ginval0 := ?, maxino0 := ?, nx0 := ?, ginval1 := ?, fi := ?, fi0 := ?⟩ ( syn ∧ ginval4 = ginval ∧ gstore1 = crash(gstore0, gstore, ginval, nx) ∧ gstore3 = gstore ∧ nx2 = nx ∧ maxino3 = maxino ∧ ginval2 = ginval0 ∧ fi1 = fi0)

User applied rule exists right

And obtained the following new goals

Proof step 9:
remove-refsize0(gstore3) = gstore3, elems nx ∩ ginval = ∅, dom gstore3 ∪ elems nx = dom gstore4 ∪ ginval, inv(gstore4 \ ginval), inv(gstore3), ri-inj(fi), ri-inj(fi0) ⊦ (⌊EIO⌋ ∨ EIO = ESUCCESS) ∧ ⟨err := EIO; nx2 := nx; maxino := maxino3; gstore1 := crash(gstore4, gstore3, ginval, nx); gstore0 := gstore4; gstore := gstore3; ginval4 := ginval; ginval0 := ginval2; fi1 := fi0; if err = ESUCCESS then maxino0 := maxino, syn := true, nx0 := nx, ginval1 := ginval0, fi := fi0 else ginval := ?, syn := ?, gstore0 := ?, gstore := ?, nx := ?, maxino := ?, ginval0 := ?, maxino0 := ?, nx0 := ?, ginval1 := ?, fi := ?, fi0 := ?⟩ ( syn ∧ ginval4 = ginval ∧ gstore1 = crash(gstore0, gstore, ginval, nx) ∧ gstore3 = gstore ∧ nx2 = nx ∧ maxino3 = maxino ∧ ginval2 = ginval0 ∧ fi1 = fi0), dups(nx)

Rule argument

pos: right 1 terms: EIO abort: F discard: T computed: T

Additional information

Used terms: EIO