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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>π¦ DynaRoars Lab</title>
<meta name="author" content="DynaRoars@GMU--ThanhVu Nguyen">
<meta name="description" content="DynaRoars Lab at George Mason University">
<meta name="keywords" content="DynaRoars, ThanhVu Nguyen, AI Safety, DNN verification">
<link rel="stylesheet" type="text/css" href="files/org.css">
<link rel="icon" href="files/dino-ai.jpg">
</head>
<body>
<div id="toc">π <b>CONTENTS</b>
<div id="full">
<a href="#news">News</a><br>
<a href="#people">People</a><br>
<a href="#awards">Awards</a><br>
<a href="#teaching">Teaching</a><br>
<a href="#research">Research</a><br>
<a href="#software">Software</a><br>
<a href="#pubs">Publications</a><br>
<a href="#miscs">Miscs</a><br>
<a href="#acknowledgement">Thanks!</a><br>
<a href="#contact">Contact</a>
</div>
</div>
<header>
<div class="typewriter"><h1><abbr title="DYNAmic, RigOrous, and Automated Reasoning Systems">DynaROARS π¦ Lab @ GMU</abbr></h1></div>
<table>
<tr>
<td>
<figure>
<img src="files/dino-ai.jpg" alt="AI-generated DinoROARS Mascot" title="AI-generated DynoRoars Mascot" width="150">
</figure>
</td>
<td>
<div class="myborder">
<ul class="styled">
<li data-icon="π "><a href="https://cs.gmu.edu">Computer Science</a>, <a href="https://www.gmu.edu">George Mason University</a></li>
<li data-icon="π ">Weekly Meeting: 3:00 PM--4:30 PM Thurs, ENGR #4201</li>
<li><a href="https://github.com/dynaroars/dynaroars.github.io/wiki">π Wiki</a>,
<a href="https://github.com/dynaroars/dynaroars.github.io/">π₯οΈ Code</a>,
<a href="#contact"> π¨ Contact</a>
</li>
<!-- <li data-icon="π ">Zoom: <a href="https://gmu.zoom.us/j/93426386731">DynaRoars</a> (pw: 675238)</li> -->
</ul>
</div>
</td>
</tr>
</table>
</header>
<p>Welcome to <b>DynaROARS</b> (DYNAmic, RigOrous, and Automated Reasoning Systems) Lab at <a href="https://www.gmu.edu">George Mason University</a>.</p>
<h2 id="news">News</h2>
<div class="myborder">
<ul>
<li>5/2024: π
<b>Outstanding Undergraduate Research Award</b> from GMU (π Stefania)</li>
<li>4/2024: <b>Nguyen</b> and <b>Long</b> joined as PhD students</li>
<li>3/2024: <b>Stefania</b> joined as a undergraduate researcher</li>
<li>2/2024: <b>FSE'24</b> research paper on new optimizations developed for the NeuralSAT DNN verification tool (π Hai, first research paper as first author)</li>
<li>1/2024: <a href="https://github.com/dynaroars/neuralsat">NeuralSAT</a> received the <b>New Participant Award</b> at VNN-COMP'23. It also won the <code>tllverifybench</code> category (π Hai and Linhan)</li>
<li>1/2024: <b>Huong</b> joined as a undergraduate researcher</li>
<li>11/2023: π Thanksgiving party!!!</li>
<li>8/2023: <a href="https://github.com/dynaroars/neuralsat">NeuralSAT</a> <b>ranked 4th</b> overall in the annual Verifying Neural Network competition <a href="https://sites.google.com/view/vnn2023">VNN-COMP'23</a> (our first participation, π Hai and Linhan)</li>
<li>8/2023: <b>FSE SRC</b> (Student Research Competition) paper on dynamic complexity analysis (π Didier)</li>
<li>8/2023: <b>FSE'23</b> Industry paper on fault localization</li>
<li>7/2023: π Received an <b>NSF Formal Methods in the Field (FMitF) Track 2 Grant</b></li>
<li>7/2023: π A handbook for <a href="https://nguyenthanhvuh.github.io/phd-cs-us/demystify.pdf">demystifying the Ph.D. admission process in Computer Science in the US</a></li>
<li>6/2023: SIGBED <a href="https://sigbed.org/2023/06/06/neural-sat/">blog</a> on NeuralSAT</li>
<li>5/2023: π
<b>Outstanding Undergraduate Senior Award</b> from UNL CSE (π KimHao)</li>
<li>3/2023: π Received an <b>Amazon Research Award</b>. Press: <a href="https://www.amazon.science/research-awards/program-updates/79-amazon-research-awards-recipients-announced">Amazon Science</a>, <a href="https://cec.gmu.edu/news/2023-07/amazon-research-award-win-ai-safety-verification">GMU</a></li>
<li>1/2023: π Received the <b>NSF CAREER Award</b> to work on DNN verification. Press: <a href="https://www.gmu.edu/news/2023-02/boom-crash-mason-researcher-receives-half-million-nsf-grant-could-steer-ai-safely">GMU</a>, <a href="https://thanhnien.vn/tien-si-goc-viet-duoc-tai-tro-nghien-cuu-ai-185230304234603638.htm">BΓ‘o Thanh NiΓͺn (Vietnamese)</a></li>
</ul>
</div>
<details>
<summary>Older News</summary>
<div class="myborder">
<ul>
<li>12/2022: <b>ICSE SEIP</b> paper on shift left static analysis (π KimHao)</li>
<li>11/2022: π Thanksgiving party!!!</li>
<li>11/2022: <b>SIGMOD'23</b> research paper on using graph neural networks to analyze IoT interactive bugs</li>
<li>8/2022: π Start of the semester party!!!</li>
<li>8/2022: <b>Hai</b> joined as a Ph.D. student</li>
<li>7/2022: <b>ASE'22</b> research paper on feed-back driven iterative Alloy repair (π Guolong)</li>
<li>4/2022: π <b>Guolong</b> defended his dissertation on Alloy analysis (first Ph.D. alumni of the group!)</li>
<li>4/2022: <b>ISSTA'22</b> research paper on template-based Alloy repair (π Guolong)</li>
<li>1/2022: Two <b>ICSE Tool</b> papers on complex analysis (π Didier) and invariant generation (π KimHao and Hai)</li>
<li>1/2022: <b>ICSE SEIP</b> paper on analyzing CMake build scripts (π KimHao)</li>
<li>1/2022: <b>Linhan</b> joined as a Ph.D. student</li>
<li>12/2021: <b>ICSE NIER</b> paper on Graph Neural Networks analysis</li>
<li>9/2021: <b>OOPSLA'21</b> research paper on capturing runtime complexity of recursive programs (π Didier and KimHao)</li>
<li>9/2021: <b>TSE'21</b> journal paper on symbolic states and dynamic invariant inference (π KimHao)</li>
<li>8/2021: π Received a gift from <b>Meta/Facebook</b> to work on build systems and symbolic execution</li>
<li>8/2021: π Received an <b>NSF Collaborative (Medium) Grant</b> to dynamically analyze program liveness and safety properties</li>
<li>8/2021: π Farewell party!!!</li>
<li>7/2021: Three <b>ASE Tool papers</b> (π KimHao and Guolong)</li>
<li>6/2021: π Moving to <b>George Mason University</b> (Fall'21)</li>
<li>5/2021: π
<b>Outstanding Undergraduate Research Assistant Award</b> from UNL CSE (π KimHao)</li>
<li>5/2021: π <b>Alexey</b> defended his Master's thesis</li>
<li>4/2021: π
KimHao received the <b>Top Presentation Award</b> on analyzing configurable systems at the Nebraska Student Research Days</li>
<li>12/2020: <i>Three</i> research papers accepted at <b>ICSE'21</b> on inferring interactions in
configurable software and debugging and repairing Alloy specifications (π KimHao and Guolong)
</li>
<li>12/2020: π Received a <b>Faculty Seed Grant Award</b> from UNL</li>
<li>10/2020: <b>OOPSLA'20</b> research paper on using dynamically inferred nonlinear invariants to prove program termination and non-termination</li>
<li>9/2020: π <b>UCare Award</b> from UNL and the <b>Garmin Scholarship Award</b> (π KimHao)</li>
<li>8/2020: <b>FSE SEAD</b> workshop paper on using recurrence relations to analyze program complexity (π Alexey and Didier)</li>
<li>7/2020: <b>ICSME</b> NIER paper on using symbolic execution to analyze the Linux build system (π KimHao)</li>
<li>7/2020: <b>ICSME</b> Doctoral Symposium paper on Alloy fault
localization and repair (π Guolong)</li>
<li>3/2020: π Received the <b>NSF CISE Research Initiation Initiative (CRII) Award</b> on analyzing the Linux build system.
Press: <a href="https://computing.unl.edu/nguyen-earns-nsf-crii-award/">UNL</a></li>
<li>3/2020: <b>KimHao</b> (freshman) joined as an undergraduate researcher</li>
<li>1/2020: <b>Alexey</b> joined as an M.S. student</li>
<li>9/2019: <b>OOPSLA'19</b> research paper on using algebraic specifications to aid program synthesis</li>
<li>9/2019: <b>Didier</b> joined as a Ph.D. student</li>
<li>6/2019: π
π
Received an <b>ACM SIGSOFT 10-year Most Influential Paper Award</b> at ICSE
(Software Engr) on program repair. Also an <b>ACM SIGEVO 10-year Impact Award</b>
at GECCO (Evolutionary Computing) on using genetic programming to fix
bugs</li>
<li>3/2019: <b>PLDI'19</b> research paper on dynamic invariant inference in separation logic (π Guolong)</li>
<li>1/2019: π Received a 3-year grant from the <b>Army Research Office</b> to work on program errors prediction and avoidance</li>
</ul>
</div>
</details>
<hr>
<h2 id="people">People</h2>
<p><a href="https://photos.app.goo.gl/LFtbqQUuznq9eiL7A">Lab activities/photos</a></p>
<div class="myborder">
<ul>
<li><a href="people/nguyenthanhvuh/">ThanhVu Nguyen</a> (faculty)</li>
<li>Long Doan (Ph.D. student)</li>
<li>Hai Duong (Ph.D. student)</li>
<li><a href="https://ishimwed.github.io">Didier Ishimwe</a> (Ph.D. student)</li>
<li>Nguyen Ho (Ph.D. student)</li>
<li>Linhan Li (Ph.D. student)</li>
<li>Stefania Piciorea (undergraduate)</li>
</ul>
</div>
<details>
<summary>Alumni</summary>
<div class="myborder">
<ul>
<li><a href="https://ndkimhao.github.io/">KimHao Nguyen</a> (B.S., <b>graduated 2023</b>, Jump Trading)</li>
<li><a href="https://scholar.google.com/citations?user=FqXt_DQAAAAJ">Guolong Zheng</a> (Ph.D., <b>graduated 2022</b>, A10 Networks)</li>
<li>Alexey Malyshev (M.S., <b>graduated 2021</b>, Oracle)</li>
</ul>
</div>
</details>
<details>
<summary><b>Join us</b>: Interested in our research in <b>safe and robust AI</b> and <b>software analysis?</b></summary>
<div class="myborder">
<ul>
<li>Read <em>"Should you contact a US professor? How to do so correctly?"</em> from the <a href="https://nguyenthanhvuh.github.io/phd-cs-us/demystify.pdf">CS PhD Admission Demystify Handbook</a>. Also read <a href="https://go.gmu.edu/cs-stats">why you would want to join CS@GMU</a>.
<li><a href="#contact">Email</a> the following:
<ul>
<li>Why are you interested in working with us? <strong>Be as specific as possible</strong>, e.g., you have read our papers or if you have worked on something related, discuss them.
we <strong>will not</strong> read or reply to your email if it is generic (i.e., could be sent to multiple professors)
<li><b>Do</b> the following programming assignments <a href="https://github.com/nguyenthanhvuh/class-verification/wiki/PA1">PA1</a> and <a href="https://github.com/nguyenthanhvuh/class-verification/wiki/PA2">PA2</a>. Email all solutions in a zip file. This gives you a sense on what background you would need and allows us to evaluate your skills.</li>
<li>Put <strong>"Dynaroars Lab Applicant"</strong> in the subject line of the email</li>
<li>You can attach your <strong>transcript</strong> if you want but <strong>do not</strong> attach your GRE or any other standard scores
<li>Send your email using plain text (no colors or fancy fonts)
</ul>
<li><b>Preferred qualifications</b>: <strong>mathematical background and programming skills</strong>. We are especially interested in those with experience in programming competitions, e.g., won prize in national or international math/programming contests.
<li><strong>Note that we might not be able to respond to all mails received, especially those that might not fit our lab</strong>. However, we still encourage you to apply to GMU and feel free to put us in your SOP.
</ul>
</div>
</details>
<hr>
<h2 id="awards">Awards</h2>
<div class="myborder">
<ul>
<li><b>Outstanding Undergraduate Research Award</b> 2024 (Stefania@GMU)</li>
<li>NeuralSAT received the <b>New Participant Award</b> at VNN-COMP'23</li>
<li><b>Outstanding Undergraduate Senior Award</b> 2023 (KimHao@UNL)</li>
<li><a href="https://www.amazon.science/research-awards/program-updates/79-amazon-research-awards-recipients-announced"><b>Amazon Research Award</b> (Automated Reasoning)</a> 2023</li>
<li><b>NSF CAREER</b> 2023</li>
<li><b>Outstanding Undergraduate Researcher Award</b> 2021 (KimHao@UNL)</li>
<li>NSF CISE Research Initiation Initiative (C<b>RII</b>) 2020</li>
<li><a href="https://sig.sigevo.org/index.html/tiki-index.php?page=SIGEVO+Impact+Award">ACM SIGEVO <b>10-year Impact Paper Award</b></a> 2019</li>
<li><a href="https://www.sigsoft.org/awards/icseMIPAward.html">ACM SIGSOFT / IEEE TCSE ICSE <b>10-year Most Influential Paper Award</b></a> 2019</li>
</ul>
</div>
<details>
<summary>Press Release</summary>
<div class="myborder">
<ol>
<li><a href="https://cec.gmu.edu/news/2023-07/amazon-research-award-win-ai-safety-verification">Amazon Research Award Win for AI Safety Verification</a>: GMU press release on the ARA</li>
<li><a href="https://www.gmu.edu/news/2023-02/boom-crash-mason-researcher-receives-half-million-nsf-grant-could-steer-ai-safely">Boom crash: Mason researcher receives half million NSF grant that could steer AI safely</a>: GMU press release on CAREER award</li>
<li><a href="https://thanhnien.vn/tien-si-goc-viet-duoc-tai-tro-nghien-cuu-ai-185230304234603638.htm">TiαΊΏn sΔ© gα»c Viα»t Δược tΓ i trợ nghiΓͺn cα»©u AI</a>: from Thanh Nien, a Vietnamese news outlet</li>
<li><a href="https://computing.unl.edu/nguyen-earns-nsf-crii-award/">CRII Award</a>: UNL press release on NSF CRII award</li>
<li><a href="https://newsroom.unl.edu/announce/cse/9518/56343">UNL press release</a> on ACM SIGSOFT 10-year Most Influential Paper Award at ICSE</li>
</ol>
</div>
</details>
<hr>
<h2 id="teaching">Teaching</h2>
<div class="myborder">
<ul>
<li>
<a href="https://nguyenthanhvuh.github.io/class-oo/">OO Software Specification and Construction: SWE 419/619</a>
(<a href="people/nguyenthanhvuh/files/feedback_oospecs.txt">student feedback</a>)
</li>
</ul>
</div>
<details>
<summary>Previous</summary>
<div class="myborder">
<ul>
<li>
AI Safety and Assurance: CS 695
</li>
<li>
Compilers: CSCE 425/825
(<a href="people/nguyenthanhvuh/files/feedback_compilers.txt">student feedback</a>)
</li>
<li>
Software Testing, Verification, and Analysis: CSCE 467/867
(<a href="people/nguyenthanhvuh/files/feedback_tva.txt">student feedback</a>)
</li>
<li>Automata, Computation, and Formal Languages</li>
<li>
Software Engineering II (Specification and analysis of complex software systems)
</li>
<li>
Software Verification (or Ensuring Software Dependability) Seminar: CSCE 990
</li>
</ul>
</div>
</details>
<hr>
<h2 id="research">Research</h2>
<p>Software Engineering; Formal Methods; Programming Languages; Automated Reasoning; Program Analysis; Program Verification; Dynamic and Static Analysis; SMT/SAT Solving</p>
<div class="myborder">
<ul>
<li><b>Safe and Robust AI</b>: we are exploring scalable and precise techniques
to formally analyze and verify properties of deep neural networks.
<ul>
<li>Examples: <a href="https://arxiv.org/pdf/2307.10266.pdf">DPLL(T)-based DNN Verification</a></li>
</ul>
</li>
<li><b>Program Analysis and Invariants Discovery</b>: we have developed dynamic, static, and
symbolic techniques to analyze program semantics and to discover and prove interesting properties.
<ul>
<li>Examples: discovering <a href="./pubs/nguyen2012using.pdf">nonlinear
polynomial invariants</a> using dynamic analysis (<b>ICSE Distinguished Paper
Award</b>); discovering heap-based memory properties using
<a href="./pubs/le2019sling.pdf">separation logic</a>; generating
program interactions in highly-configurable software using
<a href="./pubs/nguyen2021gentree.pdf">decision trees</a></li>
</ul>
</li>
<li><b>Fault Localization and Automated Program Repair</b>: we have developed techniques and tools to automatically identify code region responsible program bugs and modify existing or creating new code to repair the bugs.
<ul>
<li>Examples: C program repair using <a href="pubs/nguyen2017connecting.pdf">symbolic testing</a> and <a href="./pubs/le2011genprog.pdf">genetic programming</a>
(<b>10-year ICSE Most Influential Paper Award</b>); localizing faults in model specifications using <a href="./pubs/zheng2021flack.pdf">counterexamples</a></li>
</ul>
</li>
</ul>
</div>
<h3 id="software"><a href="https://github.com/dynaroars">Software</a></h3>
<div class="myborder">
<ul>
<li><a href="https://github.com/dynaroars/neuralsat">NeuralSAT</a>: A high-performance <b>deep neural network (DNN) verification</b> tool.</li>
<li><a href="https://github.com/dynaroars/dig">DIG</a>: A <b>numerical invariant generation tool</b>, focusing on nonlinear polynomials</li>
</ul>
</div>
<details>
<summary>More</summary>
<div class="myborder">
<ul>
<li><a href="https://gitlab.com/sosy-lab/benchmarking/sv-benchmarks/-/tree/main/c/nla-digbench">NLA-Digbench</a>: this
SV-COMP benchmark contains various program with nonlinear invariants and properties.</li>
<li>Solving NP-Complete problems
<ul>
<li><a href="https://github.com/dynaroars/coloring/">AntColor</a>: an ant-based heuristics for the <b>graph coloring</b> problem and its generalizations</li>
<li><a href="https://github.com/dynaroars/maxclique/">AMC</a>: a fast, parallel ant-based algorithm for the <b>maximum clique</b> problem</li>
<li><a href="https://github.com/dynaroars/npbench">NP Benchmarks</a>: a comprehensive collection of benchmarks (in DIMACS format) for various NP-Complete problems including graph coloring, maximum clique, vertex cover, and spanning tree</li>
</ul>
</li>
</ul>
</div>
</details>
<h2 id="pubs">Publications</h2>
<h3><a href="https://scholar.google.com/citations?user=1Ntl0BYAAAAJ&hl=en&authuser=3">Google Scholars for Dynaroars</a></h3>
<h3>Unpublished/Under Submission</h3>
<div class="myborder">
<ol>
<li>Hai Duong, ThanhVu Nguyen, Matthew Dwyer, <a href="https://arxiv.org/pdf/2307.10266.pdf">A DPLL(T) Framework for Verifying Deep Neural Networks</a>, Arxiv, 2023</li>
<li>Yuandong Cyrus Liu, Ton-Chanh Le, Timos Antonopoulos, Eric Koskinen, ThanhVu Nguyen, <a href="https://arxiv.org/abs/2306.15584v1">DrNLA: Extending Verification to Non-linear Programs through Dual Re-writing</a>, Arxiv, 2023</li>
<li>Linhan Li and ThanhVu Nguyen, <a href="https://arxiv.org/pdf/2302.04926.pdf">COOLIO: A Language Support Extension for the Classroom Object Oriented Language</a>, Arxiv, 2023.</li>
</ol>
</div>
<h3>Published/To-appear Papers</h3>
<ul>
<li><em>Emphasized author names</em>: Dynaroars' students</li>
<li><b>Bold conference or journal names</b>: full technical papers at top conferences or journals</li>
</ul>
<div class="myborder">
<ol>
<li><em>Hai Duong</em>, Dong Xu, ThanhVu Nguyen, Matthew Dwyer.
<a href="pubs/duong2024harnessing.pdf">Harnessing Neuron Stability to Improve DNN Verification</a>,
<b>Foundations of Software Engineering (FSE)</b>. 20 pages (to appear), 2024</li>
<li><em>Didier Ishimwe</em>. Inferring Complexity Bounds from Recurrence Relations. Foundations of Software Engineering (Student Research Competition). 2023</li>
<li>Tung Dao, Na Meng, and ThanhVu Nguyen.
<a href="pubs/dao2013triggering.pdf">Triggering Modes in Spectrum-Based Multi-Location Fault Localization</a>,
<b>Foundations of Software Engineering (FSE) Industry Track</b>. 1774--1785, 2023</li>
<li>ThanhVu Nguyen and <em>Hai Duong</em>.
<a href="https://sigbed.org/2023/06/06/neural-sat">NeuralSAT: A CDCL-based constraint solving approach to DNN Verification</a>.
SIGBED Blog, 2023</li>
<li>Quoc-Sang Phan, <em>KimHao Nguyen</em>, ThanhVu Nguyen.
<a href="pubs/phan2023challenges.pdf">Challenges in Shift Left Static Analysis</a>,
International Conference on Software Engineering-Software Engineering in Practice (ICSE-SEIP), 340--342, 2023</li>
<li>Guangjing Wang, Nikolay Ivanov, Bocheng Chen, Qi Wang, ThanhVu Nguyen, Qiben Yan,
<a href="pubs/wang2023graph.pdf">Graph Learning for Interaction Analysis in Smart Home Rule Data</a>,
<b>ACM SIGMOD</b>,1--27, 2023</li>
<li>SimΓ³n GutiΓ©rrez Brida, GermΓ‘n Regis, <em>Guolong Zheng</em>,
Hamid Bagheri, ThanhVu Nguyen, Nazareno Aguirre, and Marcelo F. Frias.
<a href="pubs/brida2022icebar.pdf">ICEBAR: Feedback-Driven Iterative Repair of Alloy Specifications</a>,
<b>Automated Software Engineering (ASE)</b>, pages 1--13, 2022</li>
<li><em>Guolong Zheng</em>, ThanhVu Nguyen, SimΓ³n GutiΓ©rrez Brida,
GermΓ‘n Regis, Marcelo F. Frias, Nazareno Aguirre, and Hamid Bagheri.
<a href="pubs/zheng2022atr.pdf">ATR: Template-based Repair for Alloy Specifications</a>,
<b>International Symposium on Software Testing and Analysis (ISSTA)</b>, pages 666--677, 2022
</li>
<li><em>KimHao Nguyen</em>, ThanhVu Nguyen, and Quoc-Sang Phan.
<a href="pubs/nguyen2022analyzing.pdf">Analyzing the CMake Build System</a>.
International Conference on Software Engineering-Software Engineering in Practice (ICSE-SEIP), pages 27--28, 2022</li>
<li>Thanh-Dat Nguyen, Thanh Le Cong, ThanhVu Nguyen, Bach Le, and Huynh Quyet Thang.
<a href="pubs/nguyen2022toward.pdf">Toward the Analysis of Graph Neural Network</a>.
International Conference on Software Engineering- New Idea and Emergining Results (ICSE-NIER), pages 116β-120, 2022</li>
<li><em>Didier Ishimwe</em>, <em>KimHao Nguyen</em>, and ThanhVu Nguyen.
<a href="pubs/ishimwe2022dynaplex.pdf">Dynaplex: Inferring Asymptotic Runtime Complexity of Recursive Programs</a>.
International Conference on Software Engineering- Tool Demo, pages 61--64, 2022</li>
<li>ThanhVu Nguyen, <em>KimHao Nguyen</em>, and <em>Hai Duong</em>.
<a href="pubs/nguyen2022syminfer.pdf">SymInfer: Inferring Numerical Invariants using Symbolic States</a>.
International Conference on Software Engineering-Tool Demo, pages 197--201, 2022</li>
<li><em>Didier Ishimwe</em>, <em>KimHao Nguyen</em>, and ThanhVu Nguyen.
<a href="pubs/ishimwe2021dynaplex.pdf">Dynaplex: Analyzing Program Complexity using Dynamically Inferred Recurrence Relations</a>,
<b>Proc. ACM Program. Lang. (OOPSLA)</b>, pages 1--23, 2021
</li>
<li>ThanhVu Nguyen, <em>KimHao Nguyen</em>, Matthew Dwyer.
<a href="pubs/nguyen2021using.pdf">Using Symbolic States to Infer Numerical Invariants</a>,
<b>Transactions on Software Engineering (TSE)</b>, 2021</li>
<li><em>KimHao Nguyen</em> and ThanhVu Nguyen.
<a href="pubs/nguyen2021gentree.pdf">GenTree: Using Decision Trees to Learn Interactions for Configurable Software</a>.
<b>International Conference on Software Engineering (ICSE)</b>, pages 1598β-1609,
2021. <a href="pubs/nguyen2021artifact.pdf">Artifact Evaluation</a></li>
<li><em>Guolong Zheng</em>, ThanhVu Nguyen, SimΓ³n GutiΓ©rrez Brida,
GermΓ‘n Regis, Marcelo F. Frias, Nazareno Aguirre, and Hamid Bagheri,
<a href="pubs/zheng2021flack.pdf">FLACK: Counterexample-Guided Fault Localization for Alloy Models</a>,
<b>International Conference on Software Engineering (ICSE)</b>, pages 637-β648, 2021.
<a href="pubs/zheng2021artifact.pdf">Artifact Evaluation</a></li>
<li>SimΓ³n GutiΓ©rrez Brida, GermΓ‘n Regis, <em>Guolong Zheng</em>,
Hamid Bagheri, ThanhVu Nguyen, Nazareno Aguirre, and Marcelo F. Frias.
<a href="pubs/brida2021bounded.pdf">Bounded Exhaustive Search of
Alloy Specification Repairs</a>,
<b>International Conference on Software Engineering (ICSE)</b>, pages 1135β-1147, 2021.
<a href="pubs/brida2021artifact.pdf">Artifact Evaluation</a>
</li>
<li><em>KimHao Nguyen</em> and ThanhVu Nguyen. <a href="pubs/nguyen2021tool.pdf">GenTree: Inferring
Configuration
Interactions using Decision Trees</a>. Automated Software Engineering
(ASE Tool paper), 2021.</li>
<li><em>Guolong Zheng</em>, ThanhVu Nguyen, SimΓ³n GutiΓ©rrez Brida,
GermΓ‘n Regis, Marcelo F. Frias, Nazareno Aguirre, and Hamid Bagheri,
<a href="pubs/zheng2021tool.pdf">FLACK: Localizing Faults in Alloy Models</a>,
Automated Software Engineering (ASE Tool paper), 2021.</li>
<li>SimΓ³n GutiΓ©rrez Brida, GermΓ‘n Regis, <em>Guolong Zheng</em>,
Hamid Bagheri, ThanhVu Nguyen, Nazareno Aguirre, and Marcelo F. Frias.
<a href="pubs/brida2021tool.pdf">BeAFix: An Automated Repair Tool for
Faulty Alloy Models</a>,
Automated Software Engineering (ASE Tool paper), 2021. </li>
<li>Ton Chanh Le, Timos Antonopoulos, Parisa Fathololumi, Eric
Koskinen, and ThanhVu Nguyen. <a href="pubs/le2020dynamite.pdf">DynamiTe: Dynamic Termination and
Non-termination Proofs</a>. <b>Proc. ACM Program. Lang.
(OOPSLA)</b>, vol 4, pages 1β30, 2020.</li>
<li>ThanhVu Nguyen, <em>Didier Ishimwe</em>, <em>Alexey
Malyshev</em>, Timos Antonopoulos, and Quoc-Sang Phan. <a href="pubs/nguyen2020using.pdf">Using
Dynamically
Inferred Invariants
to Analyze Program Runtime Complexity</a>. Foundations of Software
Engineering, Workshop on Software Security from Design to Deployment
(FSE SEAD), pages 11β14, 2020.</li>
<li><em>Guolong Zheng</em>, Hamid Bagheri and Thanhvu Nguyen. <a
href="pubs/zheng2020debugging.pdf">Debugging
Declarative Models in
Alloy</a>. International Conference on Software Maintenance and
Evolution, Doctoral Symposium (ICSME), pages 844β848, 2020.</li>
<li>ThanhVu Nguyen and <em>KimHao Nguyen</em>. <a href="pubs/nguyen2020using2.pdf">Using Symbolic
Execution to
Analyze
Linux KBuild Makefiles</a>. International Conference on Software
Maintenance and Evolution, New Ideas and Emerging Results (ICSME NIER),
pages 712β-716, 2020.</li>
<li>Benjamin Mariano, Josh Reese, Siyuan Xu, ThanhVu Nguyen, Xiaokang
Qiu, Jeffrey S. Foster, and Armando Solar-Lezama. <a href="pubs/mariano2019program.pdf">Program
Synthesis with
Algebraic
Library Specifications</a>. <b>Proc. ACM Program. Lang.
(OOPSLA)</b>, vol 3, pages 1β25, 2019.</li>
<li>Ton Chanh Le, <em>Guolong Zheng</em>, and ThanhVu Nguyen. <a href="pubs/le2019sling.pdf">SLING:
Using Dynamic
Analysis to Infer
Program Invariants in Separation Logic</a>.
<b>Programming Language Design and Implementation (PLDI)</b>, pages 788β-801. ACM,
2019.</li>
<li><em>Guolong Zheng</em>, Quang Loc Le, ThanhVu Nguyen, and
Quoc-Sang Phan. <a href="pubs/zheng2018automatic.pdf">Automatic data
structure repair using separation logic</a>. Java PathFinder Workshop,
pages 66β-66, 2018.</li>
<li>Paul Gazzillo, Ugur Koc, Thanhvu Nguyen, and Shiyi Wei. <a
href="pubs/gazzillo2018localizing.pdf">Localizing
Configurations in
Highly-Configurable Systems</a>. International Systems and Software
Product Line Conference, Challenge Track (SPLC), pages 269β-273,
2018.</li>
<li>ThanhVu Nguyen, Timos Antopoulos, Andrew Ruef, and Michael Hicks.
<a href="pubs/nguyen2017counterexample.pdf">A Counterexample-guided
Approach to Finding Numerical Invariants</a>. <b>Foundations of
Software Engineering (FSE)</b>, pages 605β-615. ACM, 2017.
</li>
<li>ThanhVu Nguyen, Matthew Dwyer, and William Visser.
<a href="pubs/nguyen2017syminfer.pdf">SymInfer: Inferring Program Invariants using Symbolic States</a>.
<b>Automated Software Engineering (ASE)</b>, pages 804β-814. IEEE, 2017.</li>
<li>ThanhVu Nguyen, Deepak Kapur, Westley Weimer, and Stephanie
Forrest. <a href="pubs/nguyen2017connecting.pdf">Connecting Program
Synthesis and Reachability: Automatic Program Repair using Test-Input
Generation</a>. <b>International Conference on Tools and Algorithms
for the Construction and Analysis of Systems (TACAS)</b>, pages
301β-318. Springer, 2017.</li>
<li>ThanhVu Nguyen, Ugur Koc, Javran Cheng, Jeffrey S. Foster, and
Adam A. Porter. <a href="pubs/nguyen2016igen.pdf">iGen: Dynamic
Interaction Inference for Configurable Software</a>. <b>Foundations
of Software Engineering (FSE)</b>, pages 655β-665. ACM,
2016.</li>
<li>ThanhVu Nguyen, Deepak Kapur, Westley Weimer, and Stephanie
Forrest. <a href="pubs/nguyen2014dig.pdf">DIG: A Dynamic Invariant
Generator for Polynomial and Array Invariants</a>. <b>Transactions
on Software Engineering Methodology (TOSEM)</b>, 23(4):30:1β-30:30,
2014.</li>
<li>ThanhVu Nguyen, Deepak Kapur, Westley Weimer, and Stephanie
Forrest. <a href="pubs/nguyen2014using.pdf">Using Dynamic Analysis to
Generate Disjunctive Invariants</a>. <b>International Conference on
Software Engineering (ICSE)</b>, pages 608-β619. IEEE,
2014.</li>
<li>Deepak Kapur, Zhihai Zhang, Matthias Horbach, Hengjun Zhao, Qi
Lu, and ThanhVu Nguyen. <a href="pubs/kapur2013geometric.pdf">Geometric
Quantifier Elimination Heuristics for Automatically Generating Octagonal
and Max-plus Invariants</a>. Automated Reasoning and Mathematics (Essays
Memory of William W. McCune), volume 7788, pages 189β-228. Springer,
2013.</li>
<li>Claire Le Goues, ThanhVu Nguyen, Stephanie Forrest, and Westley
Weimer. <a href="pubs/le2011genprog.pdf">GenProg: A Generic Method
for Automated Software Repair</a>. <b>Transactions on Software
Engineering (TSE)</b>, 38(1):54β-72, 2012.</li>
<li>ThanhVu Nguyen, Deepak Kapur, Westley Weimer, and Stephanie
Forrest. <a href="pubs/nguyen2012using.pdf">Using Dynamic Analysis to
Discover Polynomial and Array Invariants</a>. <b>International
Conference on Software Engineering (ICSE)</b>, pages 683β-693. IEEE,
2012.
<ul>
<li>π
<em>ACM SIGSOFT Distinguished Paper Award</em></li>
</ul>
</li>
<li>Westley Weimer, Stephanie Forrest, Claire Le Goues, and ThanhVu
Nguyen. <a href="pubs/weimer2010automatic.pdf">Automatic Program
Repair with Evolutionary Computation</a>. <b>Communications of the
ACM (CACM)</b>, 53(5):109β-116, 2010.<br>
<ul>
<li>π
<em>Research Highlight</em></li>
</ul>
</li>
<li>Thang Bui, ThanhVu Nguyen, and Joseph Rizzo. <a href="pubs/bui2009parallel.pdf">Parallel Shared
Memory
Strategies For
Ant-based Optimization Algorithms</a>. <b>Conference on Genetic and
Evolutionary Computation (GECCO)</b>, pages 1β8. ACM, 2009.
<ul>
<li>π
<em>Best Paper Award</em></li>
</ul>
</li>
<li>Stephanie Forrest, Westley Weimer, ThanhVu Nguyen, and Claire Le
Goues. <a href="pubs/forrest2009genetic.pdf">A Genetic Programming
Approach to Automated Software Repair</a>. <b>Conference on Genetic
and Evolutionary Computation (GECCO)</b>, pages 947-β954. ACM,
2009.
<ul>
<li>π
<em>Best Paper Award</em></li>
<li>π
<em>ACM SIGEVO 10-year Impact Award</em></li>
</ul>
</li>
<li>Westley Weimer, ThanhVu Nguyen, Claire Le Goues, and Stephanie
Forrest. <a href="pubs/weimer2009automatically.pdf">Automatically
Finding Patches Using Genetic Programming</a>. <b>International
Conference on Software Engineering (ICSE)</b>, pages 364-β367. IEEE,
2009.
<ul>
<li>π
<em>ACM SIGSOFT Distinguished Paper Award</em></li>
<li>π
<em>Manfred Paul Award for ExcellenceSoftware: Theory and
Practice</em></li>
<li>π
<em>ACM SIGSOFT 10-year Most Influential Paper Award</em></li>
</ul>
</li>
<li>ThanhVu Nguyen, Westley Weimer, Claire Le Goues, and Stephanie
Forrest. <a href="pubs/nguyen2009using.pdf">Using Execution Paths to
Evolve Software Patches</a>. International Conference on Software
Testing, Verification and Validation Workshops (ICST), pages 152-β153.
IEEE, 2009.
<ul>
<li>π
<em>Best Short Paper Award and Best Presentation Award</em></li>
</ul>
</li>
<li>Thang Bui, ThanhVu Nguyen, Chirag Patel, and Kim-Anh Phan.
<a href="pubs/bui2008ant.pdf"> An Ant-based Algorithm for Coloring Graphs</a>.
Discrete Applied Mathematics, 156(2):190-β200, 2008.</li>
<li>James Smith, III and ThanhVu Nguyen.
<a href="pubs/smith2007fuzzy.pdf">Fuzzy Decision Trees for
Planning and Autonomous Control of a Coordinated Team of UAVs</a>.
International Society for Optical Engineering. SPIE, May 2007.</li>
<li>James Smith, III and ThanhVu Nguyen. <a href="pubs/smith2007autonomous.pdf">Autonomous and
Cooperative
Robotic Behavior Based on Fuzzy Logic and Genetic Programming</a>.
Integrated Computer-Aided Engineering, 14(2):141-β159, 2007.</li>
<li>James Smith, III and ThanhVu Nguyen.
<a href="pubs/smith2007genetic.pdf">Genetic Program based Data Mining
of Fuzzy Decision Trees and Methods of Improving Convergence and
Reducing Bloat</a>.
International Society for Optical Engineering. SPIE,
2007.</li>
<li>G Viamontes, M Amduka, J Russo, Craven M, and T Nguyen. <a
href="pubs/viamontes2007efficient.pdf">Efficient
Memoization
Strategies for Object Recognition with a Multi-Core Architecture</a>.
Annual High Performance Embedded Computing Workshop (HPEC). IEEE,
2007.
<ul>
<li>π
<em>Outstanding Submission</em></li>
</ul>
</li>
<li>Thang Bui and ThanhVu Nguyen. <a href="pubs/bui2006agent.pdf">An Agent-based Algorithm for
Generalized
Graph Colorings</a>. <b>Conference on Genetic and Evolutionary
Computation (GECCO)</b>, pages 19β-26. ACM, 2006.
<ul>
<li>Erdos number: 4 (through Thang N. Bui)</li>
</ul>
</li>
<li>James Smith, III and ThanhVu Nguyen. <a href="pubs/smith2006genetic.pdf">Genetic Program based Data
Mining to
Reverse Engineer Digital Logic</a>. International Society for Optical
Engineering, pages 24-β35. SPIE, 2006.</li>
<li>James Smith, III and ThanhVu Nguyen. <a href="pubs/smith2006resource.pdf">Resource Manager for an
Autonomous
Coordinated Team of UAVs</a>. International Society for Optical
Engineering, pages 118-β129. SPIE, 2006.</li>
<li>James Smith, III and ThanhVu Nguyen. <a href="pubs/smith2006creating.pdf">Creating Fuzzy Decision
Algorithms
Using Genetic Program Based Data Mining Program</a>. Annual Meeting of
the North American Fuzzy Information Processing Society (NAFIPS), pages
471-β477. IEEE, 2006.</li>
<li>James Smith, III and ThanhVu Nguyen. <a href="pubs/smith2006fuzzy.pdf">Fuzzy Logic Based Resource
Manager for
a Team of UAVs</a>. Annual Meeting of the North American Fuzzy
Information Processing Society (NAFIPS), pages 463β-470. IEEE,
2006.</li>
<li>James Smith, III and ThanhVu Nguyen. <a href="pubs/smith2006fuzzy2.pdf">Fuzzy Logic Based UAV
Allocation and
Coordination</a>. International Conference on Informatics in Control
Automation and Robotics (ICINCO), pages 81-β94. Springer, 2006.
<ul>
<li>π
<em>Best Paper Award</em></li>
</ul>
</li>
<li>James Smith, III and ThanhVu Nguyen. <a href="pubs/smith2006evolutionary.pdf">Evolutionary Data
Mining
Approach to Creating Digital Logic</a>. International Conference on
Informatics in Control Automation and Robotics (ICINCO), pages 107-β113.
Springer, 2006.</li>
<li>James Smith, III and ThanhVu Nguyen. <a href="pubs/smith2006guiding.pdf">Guiding Genetic Program
Based Data
Mining Using Fuzzy Rules</a>. Intelligent Data Engineering and Automated
Learning (IDEAL), pages 1337β-1345. Springer, 2006.</li>
<li>James Smith, III and ThanhVu Nguyen. <a href="pubs/smith2005data.pdf">Data Mining based Automated
Reverse
Engineering and Defect Discovery</a>. International Society for Optical
Engineering, pages 232β-242. SPIE, 2005.</li>
<li>James Smith, III and ThanhVu Nguyen. <a href="pubs/smith2005distributed.pdf">Distributed Autonomous
Systems:
Resource Management, Planning, and Control Algorithms</a>. International
Society for Optical Engineering, pages 65β-76. SPIE, 2005.</li>
</ol>
</div>
<h3 id="disserations">Dissertations</h3>
<div class="myborder">
<ol>
<li>Guolong Zheng.
Ensure Correctness for Imperative and Declarative Programs.
Ph.D. thesis, University of Nebraska-Lincoln, May 2022.</li>
<li>ThanhVu Nguyen.
<a href="pubs/nguyen2014automating.pdf">Automating Program Verification
and Repair Using Invariant Analysis and Test-input Generation</a>.
Ph.D. thesis, University of New Mexico, August 2014.</li>
<li>ThanhVu Nguyen. <a href="pubs/nguyen2006graph.pdf">On the
Graph Coloring Problem and Its Generalizations</a>.
Master's thesis, The Pennsylvania State University, December 2006.</li>
</ol>
</div>
<hr>
<h2 id="miscs">Miscs</h2>
<div class="myborder">
<ol>
<li>π A <a href="https://github.com/nguyenthanhvuh/phd-cs-us/">guideline</a> to help international students demystify the Ph.D. admission process in Computer Science in the US</li>
<li>π <a href="https://go.gmu.edu/cs-stats">https://go.gmu.edu/cs-stats</a>: Useful Stats about GMU CS dept</li>
<li>π <a href="https://go.gmu.edu/viet-cs-profs-us">https://go.gmu.edu/viet-cs-profs-us</a>: Vietnamese professors in CS</li>
</ol>
</div>
<hr>
<h2 id="acknowledgement">Acknowledgement</h2>
Our work has been generously supported by NSF, Army Research Office, Amazon, Facebook, UNL, and GMU. <b>Thank you</b>!
<hr>
<h2 id="contact">Contact</h2>
<table>
<tr>
<td>
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</td>
<td>
<figure>
<address>
George Mason University<br>
Nguyen Engineering Building #4430<br>
4400 University Drive<br>
Fairfax, VA 22030<br>
π¬ Email: <b>tvn at gmu dot edu</b>
</address>
</figure>
</td>
</tr>
</table>
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