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Proof step 19 from proof junkrefs-put-norefval-01 (previous step)

fs = mkfs(class1, ty3, fieldvar1), okval(val, ty0), is_obj(str, r, st[r1 -- mkfs(class, ty0, fieldvar) ', val]), st[r -- _type] .type ≤ ty, is_obj(str, r, st), fs ' ∈ instfields(st[r -- _type] .type .class), is_referencevalue(st[r1 -- mkfs(class, ty0, fieldvar) ', val][r -- fs ']), junkrefs(str, (st[r1 -- mkfs(class, ty0, fieldvar) ', val][r -- fs ']) .refval ' + refs, ty3, st[r1 -- mkfs(class, ty0, fieldvar) ', val]), ∀ val0, ty1, str0, ty2, st0, r0, class0, fieldvar0. okval(val0, ty1) ∧ junkrefs(str0, (st[r1 -- mkfs(class, ty0, fieldvar) ', val][r -- fs ']) .refval ' + refs, ty2, st0[r0 -- mkfs(class0, ty1, fieldvar0) ', val0]) → ty1 = void_type ∨ mkfs(class0, ty1, fieldvar0) ' = _length ∨ is_referencevalue(val0) ∨ junkrefs(str0, (st[r1 -- mkfs(class, ty0, fieldvar) ', val][r -- fs ']) .refval ' + refs, ty2, st0) ⊦ r = jvmref, mkfs(class, ty0, fieldvar) ' = _length, ty0 = void_type, is_referencevalue(val), junkrefs(str, r ' + (st[r1 -- mkfs(class, ty0, fieldvar) ', val][r -- fs ']) .refval ' + refs, ty, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 18:
okval(val, ty0), is_obj(str, r, st[r1 -- mkfs(class, ty0, fieldvar) ', val]), st[r -- _type] .type ≤ ty, is_obj(str, r, st), mkfs(class1, ty3, fieldvar1) ' ∈ instfields(st[r -- _type] .type .class), is_referencevalue(st[r1 -- mkfs(class, ty0, fieldvar) ', val][r -- mkfs(class1, ty3, fieldvar1) ']), junkrefs (str, (st[r1 -- mkfs(class, ty0, fieldvar) ', val][r -- mkfs(class1, ty3, fieldvar1) ']) .refval ' + refs, ty3, st[r1 -- mkfs(class, ty0, fieldvar) ', val]), ∀ val0, ty1, str0, ty2, st0, r0, class0, fieldvar0. okval(val0, ty1) ∧ junkrefs (str0, (st[r1 -- mkfs(class, ty0, fieldvar) ', val][r -- mkfs(class1, ty3, fieldvar1) ']) .refval ' + refs, ty2, st0[r0 -- mkfs(class0, ty1, fieldvar0) ', val0]) → ty1 = void_type ∨ mkfs(class0, ty1, fieldvar0) ' = _length ∨ is_referencevalue(val0) ∨ junkrefs(str0, (st[r1 -- mkfs(class, ty0, fieldvar) ', val][r -- mkfs(class1, ty3, fieldvar1) ']) .refval ' + refs, ty2, st0) ⊦ r = jvmref, mkfs(class, ty0, fieldvar) ' = _length, ty0 = void_type, is_referencevalue(val), junkrefs(str, r ' + (st[r1 -- mkfs(class, ty0, fieldvar) ', val][r -- mkfs(class1, ty3, fieldvar1) ']) .refval ' + refs, ty, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]