{"ast_node_type":"other","tokens":[{"end":37,"kind":"keyword","start":0,"text":"self.prove_predicate("}]}
                self.prove_predicate(
                let array_ty = rvalue.ty(self.body.local_decls(), tcx);
                    ty::PredicateKind::Clause(ty::ClauseKind::WellFormed(array_ty.into())),