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Proof step 38 from proof nosharing-forward (previous step)

st[st[r -- fs '] .refval -- sks0] = refval(r0), st[r -- _type] .type = mkclasstype(class), st[st[r -- fs '] .refval -- sks] = refval(r0), fits(st[r -- fs '] .refval, sks, st), fits(st[r -- fs '] .refval, sks0, st), validrefnotnull(str, r, ty, st), fs ' ∈ instfields(class) ⊦ sks0 = sks, sks0 = [], sks = [], r0 = jvmref, r = jvmref, fits(r, fs ' + sks, st) ∧ fits(r, fs ' + sks0, st) ∧ fs ' + sks ≠ fs ' + sks0 ∧ fs ' + sks ≠ [] ∧ fs ' + sks0 ≠ [] ∧ st[r -- (fs ' + sks)] .refval ≠ jvmref ∧ st[r -- (fs ' + sks)] = st[r -- (fs ' + sks0)]

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 37:
st[st[r -- fs '] .refval -- sks0] = refval(r0), st[r -- _type] .type = mkclasstype(class), st[st[r -- fs '] .refval -- sks] = refval(r0), fits(st[r -- fs '] .refval, sks, st), fits(st[r -- fs '] .refval, sks0, st), validrefnotnull(str, r, ty, st), fs ' ∈ instfields(class) ⊦ sks0 = sks, sks0 = [], sks = [], r0 = jvmref, r = jvmref, fits(r, fs ' ' + sks, st) ∧ fits(r, fs ' ' + sks0, st) ∧ st[r -- (fs ' ' + sks)] .refval ≠ jvmref ∧ st[r -- (fs ' ' + sks)] = st[r -- (fs ' ' + sks0)]

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ sk ' ≠ []], [CSIMPSEQ : ⊦ ¬ sks + sks0 ≠ [] ↔ sks = [] ∧ sks0 = []], [CSIMPSEQ : ⊦ (sks + sks0) + sks1 = sks + sks0 + sks1], [CSIMPSEQ : ⊦ sks + sks0 = sks + sks1 ↔ sks0 = sks1], [CSIMPSEQ : ⊦ sk + sks = sk ' + sks])]]