As an AI language model, I do not have access to the specific details of the file you are referring to. However, in general, data-flow analysis is a technique used to analyze the flow of data through a software program or system. It involves tracing the paths of data as it moves from its source to its destination, and identifying any potential issues or vulnerabilities that may arise along the way.
If your file is too complex to perform data-flow analysis, it may be because there are too many variables, dependencies, or interconnections to trace effectively. This can make it difficult to identify all the possible flows of data and detect any potential problems.
In such cases, it may be helpful to break the file down into smaller, more manageable components or modules, and then perform data-flow analysis on each one individually. This can help to simplify the analysis process and make it easier to identify any issues or vulnerabilities.
Alternatively, you may need to use more advanced tools or techniques to perform the data-flow analysis, such as machine learning algorithms or graph-based methods. These can help to automate the analysis process and provide more accurate and comprehensive results, even for complex files.