R1 and R0 should not be low here, they are dependent on the input security level of R0.
This may be related to the lack of correct handling of non-returning calls in BASIL more broadly - the test case verifying despite the summaries being incorrect is definitely due to this.
In ProcedureSummaryTests, the test procedure_summary3 currently produces incorrect summaries.
For the procedure f it produces
R1 and R0 should not be low here, they are dependent on the input security level of R0.
This may be related to the lack of correct handling of non-returning calls in BASIL more broadly - the test case verifying despite the summaries being incorrect is definitely due to this.