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Proof step 67 from proof sharing-pathex-field-self-01 (previous step)

r = st[(r ' + refs0) .last -- fs '] .refval, is_classtype(st[(r ' + refs0) .last -- _type] .type), fs ' ∈ instfields(st[(r ' + refs0) .last -- _type] .type .class), validrefs(str, r ' + refs0, mkclasstype(`java.lang.Object' .class), st) ⊦ (r ' + refs0) .last = jvmref, hasSharing((r ' + refs0) .last, st)

Heuristic weak cut applied rule cut formula

And obtained the following new goals

Proof step 19:
refs0 = [], r = st[(r ' + refs0) .last -- fs '] .refval, is_classtype(st[(r ' + refs0) .last -- _type] .type), fs ' ∈ instfields(st[(r ' + refs0) .last -- _type] .type .class), validrefs(str, r ' + refs0, mkclasstype(`java.lang.Object' .class), st) ⊦ (r ' + refs0) .last = jvmref, hasSharing((r ' + refs0) .last, st)
Proof step 66:
r = st[(r ' + refs0) .last -- fs '] .refval, is_classtype(st[(r ' + refs0) .last -- _type] .type), fs ' ∈ instfields(st[(r ' + refs0) .last -- _type] .type .class), validrefs(str, r ' + refs0, mkclasstype(`java.lang.Object' .class), st) ⊦ refs0 = [], (r ' + refs0) .last = jvmref, hasSharing((r ' + refs0) .last, st)

Rule argument

[fma-arg: refs0 = []]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRAFMAS : (refs0 = [])]]