Lemma permMapLt_local_locks ge m i (tp : jstate ge) Phi b ofs ophi (compat : mem_compatible_with tp m Phi) (cnti : containsThread tp i) (Efind : AMap.find (elt:=option rmap) (b, Ptrofs.unsigned ofs) (lset tp) = Some ophi) : permMapLt (setPermBlock (Some Writable) b (Ptrofs.intval ofs) (juice2Perm_locks (getThreadR cnti) m) LKSIZE_nat) (getMaxPerm m).