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Proof step 33 from proof inv-add-gnds (previous step)

gstore[nx.last] = groupblock(gndx0, lax0, m), remove-refsize0(gstore0) = gstore0, elems nx ∩ ginval2 = ∅, dom gstore0 ∪ elems nx = dom gstore ∪ ginval2, inv(gstore \ ginval2), inv(gstore0), inv(groupblock(gndx0, lax0, m)), ri-inj(fi2), ri-inj(fi1), nx.last ∈ gstore ⊦ nx = [], dups(nx), ∃ lax, err0. (⌊err0⌋ ∨ err0 = ESUCCESS) ∧ ¬ dups(lax0 + lax) ∧ # lax ≤ # gndx ∧ inv-flashsize(prefixn(# lax, gndx), lax) ∧ (err0 = ESUCCESS ↔ # lax = # gndx)

User applied rule cut formula

And obtained the following new goals

Proof step 34:
gstore[nx.last] = groupblock(gndx0, lax0, m), remove-refsize0(gstore0) = gstore0, elems nx ∩ ginval2 = ∅, dom gstore0 ∪ elems nx = dom gstore ∪ ginval2, inv(groupblock(gndx0, lax0, m)), inv(gstore0), inv(gstore \ ginval2), ri-inj(fi1), ri-inj(fi2), nx.last ∈ gstore ⊦ gndx = [], nx = [], dups(nx), ∃ lax, err0. (⌊err0⌋ ∨ err0 = ESUCCESS) ∧ ¬ dups(lax0 + lax) ∧ # lax ≤ # gndx ∧ inv-flashsize(prefixn(# lax, gndx), lax) ∧ (err0 = ESUCCESS ↔ # lax = # gndx)

Rule argument

fma: gndx = []

Additional information

Used simplifier rules: ⊦ # [] = 0; (s)% ⊦ m ≤ 0 ↔ m = 0; (s)% ⊦ # lax = 0 ↔ lax = []; (s)% ⊦ # [] = 0; (s)% ⊦ prefixn(0, gndx) = []; (s)% ⊦ inv-flashsize([], lax) ↔ lax = []; (s)% ⊦ ¬ ⌊ESUCCESS⌋ ; (s)% ⊦ lax + [] = lax; (s)%a: ⊦ (lax + lax0) + lax1 = lax + lax0 + lax1; from specification list[laddress-list]% ⊦ inv(groupblock(gndx, lax, m0)) → ¬ dups(lax); (s) Used formulas: gndx = []