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Documents authored by Zimmermann, Théo

Document
DOI: 10.4230/LIPIcs.ITP.2023.12
Lessons for Interactive Theorem Proving Researchers from a Survey of Coq Users

Authors: Ana de Almeida Borges, Annalí Casanueva Artís, Jean-Rémy Falleri, Emilio Jesús Gallego Arias, Érik Martin-Dorel, Karl Palmskog, Alexander Serebrenik, and Théo Zimmermann

Published in: LIPIcs, Volume 268, 14th International Conference on Interactive Theorem Proving (ITP 2023)

Abstract
The Coq Community Survey 2022 was an online public survey of users of the Coq proof assistant conducted during February 2022. Broadly, the survey asked about use of Coq features, user interfaces, libraries, plugins, and tools, views on renaming Coq and Coq improvements, and also demographic data such as education and experience with Coq and other proof assistants and programming languages. The survey received 466 submitted responses, making it the largest survey of users of an interactive theorem prover (ITP) so far. We present the design of the survey, a summary of key results, and analysis of answers relevant to ITP technology development and usage. In particular, we analyze user characteristics associated with adoption of tools and libraries and make comparisons to adjacent software communities. Notably, we find that experience has significant impact on Coq user behavior, including on usage of tools, libraries, and integrated development environments.
Cite as

Ana de Almeida Borges, Annalí Casanueva Artís, Jean-Rémy Falleri, Emilio Jesús Gallego Arias, Érik Martin-Dorel, Karl Palmskog, Alexander Serebrenik, and Théo Zimmermann. Lessons for Interactive Theorem Proving Researchers from a Survey of Coq Users. In 14th International Conference on Interactive Theorem Proving (ITP 2023). Leibniz International Proceedings in Informatics (LIPIcs), Volume 268, pp. 12:1-12:18, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2023)

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@InProceedings{dealmeidaborges_et_al:LIPIcs.ITP.2023.12,
  author =	{de Almeida Borges, Ana and Casanueva Art{\'\i}s, Annal{\'\i} and Falleri, Jean-R\'{e}my and Gallego Arias, Emilio Jes\'{u}s and Martin-Dorel, \'{E}rik and Palmskog, Karl and Serebrenik, Alexander and Zimmermann, Th\'{e}o},
  title =	{{Lessons for Interactive Theorem Proving Researchers from a Survey of Coq Users}},
  booktitle =	{14th International Conference on Interactive Theorem Proving (ITP 2023)},
  pages =	{12:1--12:18},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-284-6},
  ISSN =	{1868-8969},
  year =	{2023},
  volume =	{268},
  editor =	{Naumowicz, Adam and Thiemann, Ren\'{e}},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ITP.2023.12},
  URN =		{urn:nbn:de:0030-drops-183875},
  doi =		{10.4230/LIPIcs.ITP.2023.12},
  annote =	{Keywords: Coq, Community, Survey, Statistical Analysis}
}
Document
DOI: 10.4230/LIPIcs.ITP.2022.18
Automatic Test-Case Reduction in Proof Assistants: A Case Study in Coq

Authors: Jason Gross, Théo Zimmermann, Miraya Poddar-Agrawal, and Adam Chlipala

Published in: LIPIcs, Volume 237, 13th International Conference on Interactive Theorem Proving (ITP 2022)

Abstract
As the adoption of proof assistants increases, there is a need for efficiency in identifying, documenting, and fixing compatibility issues that arise from proof-assistant evolution. We present the Coq Bug Minimizer, a tool for reproducing buggy behavior with minimal and standalone files, integrated with coqbot to trigger automatically on failures from Coq’s reverse dependency compatibility testing. Our tool eliminates the overhead of having to download, set up, compile, and then explore and understand large developments, enabling Coq developers to easily obtain modular test-case files for fast experimentation. In this paper, we describe insights about how test-case reduction is different in Coq than in traditional compilers. We expect that our insights will generalize to other proof assistants. We evaluate the Coq Bug Minimizer on over 150 compatibility testing failures. Our tool succeeds in reducing failures to smaller test cases roughly 75% of the time. The minimizer produces a fully standalone test case 89% of the time, and it is on average about one-third the size of the original test. The average reduced test case compiles in 1.25 seconds, with 75% taking under half a second.
Cite as

Jason Gross, Théo Zimmermann, Miraya Poddar-Agrawal, and Adam Chlipala. Automatic Test-Case Reduction in Proof Assistants: A Case Study in Coq. In 13th International Conference on Interactive Theorem Proving (ITP 2022). Leibniz International Proceedings in Informatics (LIPIcs), Volume 237, pp. 18:1-18:18, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2022)

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@InProceedings{gross_et_al:LIPIcs.ITP.2022.18,
  author =	{Gross, Jason and Zimmermann, Th\'{e}o and Poddar-Agrawal, Miraya and Chlipala, Adam},
  title =	{{Automatic Test-Case Reduction in Proof Assistants: A Case Study in Coq}},
  booktitle =	{13th International Conference on Interactive Theorem Proving (ITP 2022)},
  pages =	{18:1--18:18},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-252-5},
  ISSN =	{1868-8969},
  year =	{2022},
  volume =	{237},
  editor =	{Andronick, June and de Moura, Leonardo},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ITP.2022.18},
  URN =		{urn:nbn:de:0030-drops-167273},
  doi =		{10.4230/LIPIcs.ITP.2022.18},
  annote =	{Keywords: debugging, automatic test-case reduction, Coq, bug minimizer}
}
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