Test case 83725

Description

CWE: 190 Integer Overflow
BadSource: rand Set data to result of rand(), which may be zero
GoodSource: Set data to a small, non-zero number (two)
Sinks: add
GoodSink: Ensure there will not be an overflow before adding 1 to data
BadSink : Add 1 to data, which can cause an overflow
Flow Variant: 53 Data flow: data passed as an argument from one function through two others to a fourth; all four functions are in different source files