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Proof step 6 from proof put-switch-primval-field-field (previous step)

fits(r0, sks + mkfs(class0, ty0, fieldvar0) ' ', st), fits(r, sks1 + mkfs(class, ty, fieldvar) ' ', st), st[r -- sks1] ≠ st[r0 -- sks] ∨ class ≠ class0 ∨ ty ≠ ty0 ∨ fieldvar ≠ fieldvar0 ⊦ is_referencevalue(st[r -- sks1]), (st[st[r -- sks1] .refval -- mkfs(class, ty, fieldvar) ', val] [(st[st[r -- sks1] .refval -- mkfs(class, ty, fieldvar) ', val][r0 -- sks]) .refval -- mkfs(class0, ty0, fieldvar0) ', val0 ] ) = (st[r0 -- (sks + mkfs(class0, ty0, fieldvar0) ' '), val0][r -- (sks1 + mkfs(class, ty, fieldvar) ' '), val]), is_referencevalue(val), is_referencevalue(val0), is_reftype(ty), is_reftype(ty0), junkref(str, r, st), junkref(str, r0, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 5:
fits(r0, sks + mkfs(class0, ty0, fieldvar0) ' ', st), fits(r, sks1 + mkfs(class, ty, fieldvar) ' ', st), st[r -- sks1] ≠ st[r0 -- sks] ∨ class ≠ class0 ∨ ty ≠ ty0 ∨ fieldvar ≠ fieldvar0 ⊦ (st[jvmref -- mkfs(class, ty, fieldvar) ', val] [(st[jvmref -- mkfs(class, ty, fieldvar) ', val][r0 -- sks]) .refval -- mkfs(class0, ty0, fieldvar0) ', val0 ] ) = (st[r0 -- (sks + mkfs(class0, ty0, fieldvar0) ' '), val0][r -- (sks1 + mkfs(class, ty, fieldvar) ' '), val]), is_referencevalue(st[r -- sks1]), is_referencevalue(val), is_referencevalue(val0), is_reftype(ty), is_reftype(ty0), junkref(str, r, st), junkref(str, r0, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPNAMEDSEQ : valuefuns, , refval-xtra, ⊦ ¬ is_referencevalue(val) → val .refval = jvmref])]]