Data-driven precondition inference with learned features

  title={Data-driven precondition inference with learned features},
  author={Saswat Padhi and Rahul Sharma and Todd D. Millstein},
We extend the data-driven approach to inferring preconditions for code from a set of test executions. Prior work requires a fixed set of features, atomic predicates that define the search space of possible preconditions, to be specified in advance. In contrast, we introduce a technique for on-demand feature learning, which automatically expands the search space of candidate preconditions in a targeted manner as necessary. We have instantiated our approach in a tool called PIE. In addition to… CONTINUE READING
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