Blogs (1) >>
ASE 2019
Sun 10 - Fri 15 November 2019 San Diego, California, United States
Wed 13 Nov 2019 11:20 - 11:40 at Cortez 2&3 - Program Repair Chair(s): Yingfei Xiong

This paper presents InFix, a technique for automatically fixing erroneous program inputs for novice programmers. Unlike comparable existing approaches for automatic debugging and maintenance tasks, InFix repairs input data rather than source code, does not require test cases, and does not require special annotations. Instead, we take advantage of patterns commonly used by novice programmers to automatically create helpful, high quality input repairs. InFix iteratively applies error-message based templates and random mutations based on insights about the debugging behavior of novices. This paper presents an implementation of InFix for Python. We evaluate on 29,995 unique scenarios with input-related errors collected from four years of data from Python Tutor, a free online programming tutoring environment. Our results generalize and scale; compared to previous work, we consider an order of magnitude more unique programs. Overall, InFix is able to repair 94.5% of deterministic input errors. We also present the results of a human study with 97 participants. Surprisingly, this simple approach produces high quality repairs; humans judged the output of InFix to be equally helpful and within 4% of the quality of human-generated repairs.

Wed 13 Nov

Displayed time zone: Tijuana, Baja California change

10:40 - 12:20
Program RepairResearch Papers / Demonstrations / Journal First Presentations at Cortez 2&3
Chair(s): Yingfei Xiong Peking University
10:40
20m
Talk
Apricot: A Weight-Adaptation Approach to Fixing Deep Learning Models
Research Papers
Hao Zhang City University of Hong Kong, Wing-Kwong Chan City University of Hong Kong, Hong Kong
11:00
20m
Talk
Re-factoring based Program Repair applied to Programming Assignments
Research Papers
Yang Hu The University of Texas at Austin, Umair Z. Ahmed National University of Singapore, Sergey Mechtaev University College London, Ben Leong National University of Singapore, Abhik Roychoudhury National University of Singapore
Pre-print
11:20
20m
Talk
InFix: Automatically Repairing Novice Program Inputs
Research Papers
Madeline Endres University of Michigan, Georgios Sakkas University of California, San Diego, Benjamin Cosman University of California at San Diego, USA, Ranjit Jhala University of California, San Diego, Westley Weimer University of Michigan
Pre-print
11:40
20m
Talk
Astor: Exploring the Design Space of Generate-and-Validate Program Repair beyond GenProg
Journal First Presentations
Matias Martinez Université Polytechnique Hauts-de-France, Martin Monperrus KTH Royal Institute of Technology
Pre-print
12:00
10m
Demonstration
PraPR: Practical Program Repair via Bytecode Mutation
Demonstrations
Ali Ghanbari The University of Texas at Dallas, Lingming Zhang The University of Texas at Dallas
12:10
10m
Talk
Understanding Automatically-Generated Patches Through Symbolic Invariant Differences
Research Papers
Padraic Cashin Arizona State University, Cari Martinez University of New Mexico, Stephanie Forrest Arizona State University, Westley Weimer University of Michigan
Pre-print