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Proof step 26 from proof disjoint-forward-field (previous step)

st[r1 -- _type] .type = mkclasstype(class), st[r1 -- mkfs(class0, ty, fieldvar) '] = refval(r2), is_obj(str, r1, st), path∃(str, r3, r0, st), path∃(str, r2, r0, st), mkfs(class0, ty, fieldvar) ' ∈ instfields(class), r1 ∈ refs, r ∈ refs, r3 ∈ refs, ∀ r4, r5, r6. ¬ r4 ∈ refs ∨ ¬ r5 ∈ refs ∨ r4 = r5 ∨ r6 = jvmref ∨ ¬ path∃(str, r4, r6, st) ∨ ¬ path∃(str, r5, r6, st) ⊦ r2 = jvmref, r = r1, r1 = jvmref, r0 = jvmref, r3 = r2, r3 = r1, r1 = r0, st[r2 -- _type] .type ≤ ty, r2 ∈ refs, r2 ∈ refs -l r1, ∃ fs. fs ' ∈ instfields(class) ∧ is_referencevalue(st[r1 -- fs ']) ∧ st[r1 -- fs '] .refval ≠ jvmref ∧ (¬ st[st[r1 -- fs '] .refval -- _type] .type ≤ fs .type ∨ junkref(str, st[r1 -- fs '] .refval, st))

User applied rule exists right

And closed the goal!

Rule argument

[EXRARG : pos: right 11, [extquanttermlist: (mkfs(class0, ty, fieldvar)) abort:F , discard:T , computed:T ]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPNAMEDSEQ : fieldspec, , sel-03, ⊦ mkfs(class, ty, fieldvar) .type = ty], [CSIMPNAMEDSEQ : javavalue, , test-19, ⊦ is_referencevalue(refval(r))], [CSIMPNAMEDSEQ : javavalue, , sel-09, ⊦ refval(r) .refval = r])], [EXTRATERMS : (mkfs(class0, ty, fieldvar))]]