Thomas W. Reps Honorary Fellow J. Barkley Rosser Professor & Rajiv and Ritu Batra Chair Emeritus Computer Sciences Department University of Wisconsin-Madison 1210 West Dayton Street Madison, WI 53706-1685 USA

Contact Information:

E-mail: reps at cs.wisc.edu
Telephone: (608) 262-2091
Department: (608) 262-1204

Some Maps: Campus Map | Campus-to-Capitol Map | City Map

Ph.D., Cornell University, 1982 (CV, Wikipedia, Biography, Summary of Past Research, Benefunder Profile)

Research Interests:

• Program slicing, differencing, and merging
• Interprocedural dataflow analysis
• Alias analysis, pointer analysis, and shape analysis
• Analysis of multi-threaded programs
• Symbolic abstraction and decision procedures
• Other program-analysis problems
• Path problems
• Model checking
• Computer security
• Code instrumentation
• Computational differentiation and computational divided differencing
• Program-development environments
• Incremental computing
• Attribute grammars
• Miscellaneous

See also Google Scholar, DBLP, Semantic Scholar, Guide2Research, LinkedIn, CiteSeer, ACM Digital Library, Internet Archive Scholar, and MathSciNet.

ORCID:

https://orcid.org/0000-0002-5676-9949

Projects:

• Rice-UT-UW-GrammaTech Pliny Project
• Wisconsin Program-Slicing Project
• Wisconsin Safety Analyzer Project
• CMU-UW Software Model Checking Project

Other Affiliations:

• GrammaTech, Inc.
• madPL (UW Programming Languages Group)

Recent Publications

• ``Synthesizing abstract transformers for reduced-product domains.''
• ``Weighted context-free-language ordered binary decision diagrams''
• ``Automating pruning in top-down enumeration for program synthesis problems with monotonic semantics''
• ``Synthesizing formal semantics from executable interpreters''
• ``Automating unrealizability logic: Hoare-style proof synthesis for infinite sets of programs''
• ``Newtonian program analysis of probabilistic programs''
• ``CFLOBDDs: Context-free-language ordered binary decision diagrams''
• ``The SemGuS Toolkit''
• ``Modular system synthesis''
• ``Symbolic quantum simulation with Quasimodo''
• ``Synthesizing specifications''
• ``Single-source-single-target interleaved-Dyck reachability via integer linear programming''
• ``Unrealizability logic''

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Miscellaneous

• Tips on writing a research paper (video recording from PLMW@PLDI21)

• Some notes on automatic differentiation and back-propagation (PDF, Slides)

• My favorite lecture is about "retrograde debugging," in which I use several "retrograde chess puzzles" from the Raymond Smullyan book "The Chess Mysteries of Sherlock Holmes" to illustrate the concept of retrograde debugging. (Smullyan also wrote a second book of such problems, titled "The Chess Mysteries of the Arabian Knights.") You can find links to two recordings of the Nov. 3, 2023 version of the lecture here. The slides from the 2023 version are available here.

  A recording of the April 2020 version is available here. (The password is Rptp6tSh.) In the 2020 version, the chess problems start at 9:56, 33:39, and 45:40, with a fourth one toward the end. (The accompanying text was auto-generated by Webex, and is pretty funny: "chess problems" became "just problems" or "chest problems," etc. Not sure how to turn it off though.) I recommend watching at 1.25x speed though (or even faster) because I talked quite slowly that day.

• Material from CAV 2021 tutorial ``Introduction to Algebraic Program Analysis'' (Z. Kincaid and T. Reps):
  • Part 1 (Kincaid)
  • Part 2 (Kincaid)
  • Part 3 (Reps)
  • Part 4 (Kincaid)

• Reps interview for People of Programming Languages (2018)

• The Reps At Sixty Workshop was held in Edinburgh, UK on September 11, 2016.
  • Slides for most of the talks given at the workshop are now available on the website.
  • Some post-workshop reflections about (i) my work on machine-code analysis, and (ii) differences between academic and industry research are available here.

• Information about the life of Susan Horwitz (1955-2014) can be found here.

• The paper
  • Horwitz, S., Reps, T., and Binkley, D., Interprocedural slicing using dependence graphs. In Proceedings of the ACM SIGPLAN 88 Conference on Programming Language Design and Implementation, (Atlanta, GA, June 22-24, 1988), ACM SIGPLAN Notices 23, 7 (July 1988), pp. 35-46. [abstract; ACM Author-Izer Link.]
  was selected for inclusion in a special SIGPLAN collection of the 50 most influential papers from the SIGPLAN Conference on Programming Language Design and Implementation from 1979 to 1999:
  • Horwitz, S., Reps, T., and Binkley, D., Interprocedural slicing using dependence graphs. 20 Years of the ACM SIGPLAN Conference on Programming Language Design and Implementation (1979 - 1999): A Selection, K.S. McKinley, ed., ACM SIGPLAN Notices 39, 4 (April 2004), 232-243.

  A retrospective on the paper was published as

  • Horwitz, S., Reps, T., and Binkley, D., Retrospective: Interprocedural slicing using dependence graphs. 20 Years of the ACM SIGPLAN Conference on Programming Language Design and Implementation (1979 - 1999): A Selection, K.S. McKinley, ed., ACM SIGPLAN Notices 39, 4 (April 2004), 229-231. [retrospective (PS); retrospective (PDF); ACM Author-Izer Link.]

  An extended version of the PLDI 88 paper later appeared as the following journal paper:

  • Horwitz, S., Reps, T., and Binkley, D., Interprocedural slicing using dependence graphs. ACM Transactions on Programming Languages and Systems 12, 1 (January 1990), 26-60. [abstract; paper; ACM Author-Izer Link.]

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Popular Papers

• ``Interprocedural slicing using dependence graphs'', TOPLAS 1990
• ``The Cornell Program Synthesizer: A syntax-directed programming environment'', CACM 1981
• ``Parametric shape analysis via 3-valued logic'', TOPLAS 2002
• ``Precise interprocedural dataflow analysis via graph reachability'', POPL 1995
• ``The Synthesizer Generator: A System for Constructing Language-Based Editors'', Springer 1989
• ``Integrating noninterfering versions of programs'', TOPLAS 1989
• ``Solving shape-analysis problems in languages with destructive updating'', TOPLAS 1998
• ``The use of program dependence graphs in software engineering'', ICSE 1992
• ``An incremental algorithm for a generalization of the shortest-path problem'', J. Alg 1996
• ``WYSINWYX: What You See Is Not What You eXecute'', TOPLAS 2010
• ``Program analysis via graph reachability'', IST 1998
• ``The use of program profiling for software maintenance with applications to the Year 2000 Problem'', FSE 1997
• ``Speeding up slicing'', FSE 1994
• ``Identifying modules via concept analysis'', TSE 1998
• ``Weighted pushdown systems and their application to interprocedural dataflow analysis'', SCP 2005
• ``Symbolic implementation of the best transformer'', VMCAI 2004
• ``WYSINWYX: What You See Is Not What You eXecute'', VSTTE 2005
• ``DIVINE: DIscovering Variables IN Executables'', VMCAI 2007
• ``Reducing concurrent analysis under a context bound to sequential analysis'', FMSD 2009
• ``Recency-abstraction for heap-allocated storage'', SAS 2006

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Categorized Index to Publications

Overview

• ``Program analysis via graph reachability'', IST
  (also ``Program analysis via graph reachability'', TR-1386, and
  ``Program analysis via graph reachability'', ILPS 97)
• ``The use of program dependence graphs in software engineering''

The Wisconsin Program-Slicing Tool

• The Wisconsin Program-Slicing Tool
• License for the Wisconsin Program-Slicing Tool
• ``The Wisconsin Program-Slicing Tool 1.0, Reference Manual''
• Man page for the batch version of the Wisconsin Program-Slicing Tool

CodeSurfer System

• Short description of the CodeSurfer system
• CodeSurfer^tm web page

Slicing

• ``Specialization slicing''
• ``Program specialization via program slicing''
• ``Speeding up slicing''
• ``Interprocedural slicing of computer programs using dependence graphs''
• ``Multi-procedure program integration''
• ``Efficient comparison of program slices''
• ``Interprocedural slicing using dependence graphs'', TOPLAS 1990
  (also ``Interprocedural slicing using dependence graphs'', PLDI 1988)

Chopping

• ``Precise interprocedural chopping''

Differencing

• ``Identifying semantic differences in programs with procedures''
• ``A new algorithm for semantics-based program integration''

Merging

• ``Program integration for languages with procedure calls''
• ``A program integration algorithm that accommodates semantics-preserving transformations'', TOSEM 1992
  (also ``A program integration algorithm that accommodates semantics-preserving transformations'', SIGSOFT 1990)
• ``Multi-procedure program integration''
• ``A new algorithm for semantics-based program integration''
• ``Illustrating interference in interfering versions of programs''
• ``Integrating noninterfering versions of programs'', TOPLAS 1989
  (also ``Integrating noninterfering versions of programs'', POPL 1988,
  ``Semantics-based program integration'', and
  ``Support for integrating program variants in an environment for programming in the large'')

Algebra of slices (and applications to program merging)

• ``New programs from old''
• ``Algebraic properties of program integration'', SCP 1991
  (also ``Algebraic properties of program integration'', ESOP 1990)
• ``A theory of program modifications''
• ``Modification algebras''

Semantics and slicing

• ``Semantics of program representation graphs''
  (also ``Semantics of program representation graphs'', TR-900)
• ``The semantics of program slicing and program integration''
• ``The multi-procedure equivalence theorem''
• ``On the adequacy of program dependence graphs for representing programs''

Other applications of slicing

• ``Program slicing of hardware description languages''
• ``Program slicing for design automation''
• ``Partial evaluation using dependence graphs''
• ``Program specialization via program slicing''
• ``Semantic foundations of binding-time analysis for imperative programs''

Implemented integration system (for a small Pascal subset)

• ``The Wisconsin Program-Integration System''
• ``The Wisconsin Program-Integration System Reference Manual: Release 2.0''
• ``Demonstration of a prototype tool for program integration''

Miscellaneous

• ``Undecidability of context-sensitive data-dependence analysis''
• ``Correctness of an algorithm for reconstituting a program from a dependence graph''

Ph.D. Dissertations

• ``Partial evaluation using dependence graphs'' (Das thesis)
• ``Multi-procedure program integration'' (Binkley thesis)
• ``A new algorithm for semantics-based program integration'' (Yang thesis)
• ``Dependence-based representations for programs with reference variables'' (Pfeiffer thesis)

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Interprocedural Dataflow Analysis

Demand IDFA via bottom-up logic programming and the magic-sets transformation

• ``Demand interprocedural program analysis using logic databases''
  (also ``Solving demand versions of interprocedural analysis problems'')

Exhaustive and Demand IDFA via graph reachability

• ``Program analysis via graph reachability'', IST
  (also ``Program analysis via graph reachability'', TR-1386, and
  ``Program analysis via graph reachability'', ILPS 97)
• ``Demand interprocedural dataflow analysis'', TR-1283
  (also ``Demand interprocedural dataflow analysis'', FSE 1995)
• ``Precise interprocedural dataflow analysis via graph reachability''
• ``Interprocedural dataflow analysis via graph reachability''

IDFA using more than graph reachability

• ``Compositional recurrence analysis revisited''
• ``Newtonian program analysis via tensor product'' (also ``POPL16'')
• ``Improving pushdown system model checking''
• ``Extended weighted pushdown systems''
• ``Weighted pushdown systems and their application to interprocedural dataflow analysis'', SCP
  (also ``Weighted pushdown systems and their application to interprocedural dataflow analysis'', SAS 2003)
• ``Precise interprocedural dataflow analysis with applications to constant propagation'', TCS 1996
  (also ``Precise interprocedural dataflow analysis with applications to constant propagation'', FASE 1995)

PTIME completeness of IDFA

• ``On the sequential nature of interprocedural program-analysis problems''

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Alias Analysis, Pointer Analysis, and Shape Analysis

• ``Statically inferring complex heap, array, and numeric invariants''
• ``Finite differencing of logical formulas for static analysis'' (also ``Finite differencing of logical formulas for static analysis'', ESOP 2003)
• ``A relational approach to interprocedural shape analysis'' (also ``A relational approach to interprocedural shape analysis'', SAS 2004)
• ``Refinement-based verification for possibly-cyclic lists''
• ``Refinement-based program verification via three-valued-logic analysis''
• ``Automated verification of the Deutsch-Schorr-Waite tree-traversal algorithm''
• ``Recency-abstraction for heap-allocated storage''
• ``Automatic verification of strongly dynamic software systems''
• ``A relational abstraction for functions''
• ``Simulating reachability using first-order logic with applications to verification of linked data structures''
• ``Abstraction refinement via inductive learning''
• ``On the utility of canonical abstraction''
• ``Numeric analysis of array operations''
• ``A semantics for procedure local heaps and its abstractions''
• ``Static program analysis via 3-valued logic''
• ``Verification via structure simulation''
• ``Symbolically computing most-precise abstract operations for shape analysis''
• ``Verifying temporal heap properties specified via evolution logic''
• ``Parametric shape analysis via 3-valued logic''
• ``Putting static analysis to work for verification: A case study''
• ``Shape analysis'', CC 2000
• ``Pointer analysis for programs with structures and casting''
• ``A decidable logic for describing linked data structures''
• ``Program analysis via graph reachability'', IST
  (also ``Program analysis via graph reachability'', TR-1386, and
  ``Program analysis via graph reachability'', ILPS 97)
• ``Program specialization via program slicing''
• ``Solving shape-analysis problems in languages with destructive updating'', TOPLAS
  (also ``Solving shape-analysis problems in languages with destructive updating'', POPL 1996, and
  ``Solving shape-analysis problems in languages with destructive updating'', TR-1276)
• ``Shape analysis as a generalized path problem''
• ``Dependence-based representations for programs with reference variables''
• ``Dependence analysis for pointer variables''

Ph.D. Dissertations

• ``Numeric program analysis techniques with applications to array analysis and library summarization'' (Gopan thesis)
• ``Refinement-based program verification via three-valued-logic analysis'' (Loginov thesis)
• ``Dependence-based representations for programs with reference variables'' (Pfeiffer thesis)

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Analysis of Multi-Threaded Programs

• ``Verifying concurrent programs via bounded context-switching and induction''
• ``ConSeq: Detecting concurrency bugs through sequential errors''
• ``DIFC programs by automatic instrumentation''
• ``A decision procedure for detecting atomicity violations for communicating processes with locks'', STTT 11
  (also ``A decision procedure for detecting atomicity violations for communicating processes with locks'', SPIN 09)
• ``Verifying information flow over unbounded processes''
• ``Reducing concurrent analysis under a context bound to sequential analysis'', FMSD 09
  (also ``Reducing concurrent analysis under a context bound to sequential analysis'', CAV 08)
• ``Finding concurrency-related bugs using random isolation''
• ``Interprocedural analysis of concurrent programs under a context bound''
• ``Verifying concurrent message-passing C programs with recursive calls''
• ``Verifying temporal heap properties specified via evolution logic''

Ph.D. Dissertations

• ``Static verification of data-consistency properties'' (Kidd thesis)
• ``Interprocedural analysis and the verification of concurrent programs'' (Lal thesis)

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Symbolic Abstraction and Decision Procedures

• ``Through the lens of abstraction''
• ``Satisfiability modulo abstraction for separation logic with linked lists''
• ``PostHat and all that: Automating abstract interpretation''
• ``Bilateral algorithms for symbolic abstraction''
• ``A generalization of Staalmarck's method''
• ``A method for symbolic computation of abstract operations''
• ``Symbolic implementation of the best transformer''
• ``Symbolically computing most-precise abstract operations for shape analysis''

Ph.D. Dissertations

• ``Symbolic abstraction: Algorithms and applications'' (Thakur thesis)

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Other Program-Analysis Problems

• ``Abstract domains of affine relations''
• ``An abstract domain for bit-vector inequalities''
• ``Software-architecture recovery from machine code''
• ``OpenNWA: A nested-word-automaton library''
• ``Symbolic analysis via semantic reinterpretation'' (Journal version)
• ``Extracting output formats from executables''
• ``Lookahead widening''
• ``Numeric domains with summarized dimensions''
• ``The interprocedural express-lane transformation''
• ``Typestate checking of machine code''
• ``Safety checking of machine code'', PLDI 00
• ``Putting static analysis to work for verification: A case study''
• ``Physical type checking for C'', PASTE 99
  (also ``Physical type checking for C'', BL0113590-990302-04)
• ``Coping with type casts in C'', FSE 99
  (also ``Coping with type casts in C'', BL0113590-990202-03)
• ``Interprocedural path profiling'', CC 99
  (also ``Interprocedural path profiling'', TR-1382)
• ``Program analysis via graph reachability'', IST
  (also ``Program analysis via graph reachability'', TR-1386, and
  ``Program analysis via graph reachability'', ILPS 97)
• ``Interconvertibility of a class of set constraints and context-free language reachability'', TCS
  (also ``Interconvertibility of set constraints and context-free language reachability'', PEPM 97)
• ``Identifying modules via concept analysis'', TSE
  (also ``Identifying modules via concept analysis'', ICSM 97)
• ``The use of program profiling for software maintenance with applications to the Year 2000 Problem''
  (also ``The use of program profiling in software testing'')
• ``Method of troubleshooting data-dependent anomalies in computer programs''
• ``BTA termination using CFL-reachability''
• ``Program generalization for software reuse: From C to C++''
• ``Semantic foundations of binding-time analysis for imperative programs''

Ph.D. Dissertations

• ``Abstract Interpretation Over Bitvectors'' (Sharma thesis)
• ``Synthesis of machine code: Algorithms and applications'' (Srinivasan thesis)
• ``Numeric program analysis techniques with applications to array analysis and library summarization'' (Gopan thesis)
• ``Interprocedural path profiling and the interprocedural express-lane transformation'' (Melski thesis)
• ``Safety-checking of machine code'' (Xu thesis)
• ``Techniques for software renovation'' (Siff thesis)
• ``Partial evaluation using dependence graphs'' (Das thesis)

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Path Problems

• ``Model checking of unrestricted hierarchical state machines''
• ``Program analysis via graph reachability'', IST
  (also ``Program analysis via graph reachability'', TR-1386, and
  ``Program analysis via graph reachability'', ILPS 97)
• ``Interconvertibility of a class of set constraints and context-free language reachability'', TCS
  (also ``Interconvertibility of set constraints and context-free language reachability'', PEPM 97)
• ``Undecidability of context-sensitive data-dependence analysis''
• ``Speeding up slicing''
• ``Interprocedural slicing of computer programs using dependence graphs''
• ``Interprocedural slicing using dependence graphs'', TOPLAS 1990
  (also ``Interprocedural slicing using dependence graphs'', PLDI 1988)
• ``Demand interprocedural dataflow analysis'', TR-1283
  (also ``Demand interprocedural dataflow analysis'', FSE 1995)
• ``Precise interprocedural dataflow analysis via graph reachability''
• ``Interprocedural dataflow analysis via graph reachability''
• ``On the sequential nature of interprocedural program-analysis problems''
• ``Shape analysis as a generalized path problem''

Other Path Problems

• ``Reducing the dependence of SPKI/SDSI on PKI''
• ``Improving pushdown system model checking''
• ``Weighted pushdown systems and trust-management systems''
• ``Verifying concurrent message-passing C programs with recursive calls''
• ``Extended weighted pushdown systems''
• ``Weighted pushdown systems and their application to interprocedural dataflow analysis'', SCP
  (also ``Weighted pushdown systems and their application to interprocedural dataflow analysis'', SAS 2003)
• ``The interprocedural express-lane transformation''
• ``On generalized authorization problems''
• ``An incremental algorithm for a generalization of the shortest-path problem''
• ``On the computational complexity of dynamic graph problems''
• ``An incremental algorithm for maintaining the dominator tree of a reducible flowgraph''
• ``Precise interprocedural dataflow analysis with applications to constant propagation'', TCS 1996
  (also ``Precise interprocedural dataflow analysis with applications to constant propagation'', FASE 1995)
• ``Interprocedural path profiling'', CC 99
  (also ``Interprocedural path profiling'', TR-1382)

Ph.D. Dissertations

• ``Interprocedural path profiling and the interprocedural express-lane transformation'' (Melski thesis)
• ``Bounded Incremental Computation'' (Ramalingam thesis)
• ``Multi-procedure program integration'' (Binkley thesis)

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Model Checking

• ``A decision procedure for detecting atomicity violations for communicating processes with locks'' (Journal version)
• ``Reducing concurrent analysis under a context bound to sequential analysis'' (Journal version)
• ``Finding concurrency-related bugs using random isolation''
• ``Reducing concurrent analysis under a context bound to sequential analysis''
• ``Interprocedural analysis of concurrent programs under a context bound''
• ``Advanced querying for property checking''
• ``Abstract error projection''
• ``Improving pushdown system model checking''
• ``Weighted pushdown systems and trust-management systems''
• ``Verifying concurrent message-passing C programs with recursive calls''
• ``Model checking x86 executables with CodeSurfer/x86 and WPDS++''
• ``Extended weighted pushdown systems''
• ``Weighted pushdown systems and their application to interprocedural dataflow analysis''
• ``Automatic discovery of API-level exploits''
• ``Model checking SPKI/SDSI''
• ``Verifying temporal heap properties specified via evolution logic''
• ``On generalized authorization problems''
• ``Analysis of SPKI/SDSI certificates using model checking''
• ``Model checking of unrestricted hierarchical state machines''
• ``LTL model checking for systems with unbounded number of dynamically created threads and objects''

Software

• ``WPDS++: A C++ Library for Weighted Pushdown Systems''
• ``WALi: The Weighted Automaton Library''
• ``OpenNWA: A Nested-Word Automaton Library''

Ph.D. Dissertations

• ``Checking format compatibility of programs using automata'' (Driscoll thesis)
• ``Static verification of data-consistency properties'' (Kidd thesis)
• ``Interprocedural analysis and the verification of concurrent programs'' (Lal thesis)

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Computer Security

• ``Efficient runtime enforcement techniques for policy weaving''
• ``Declarative, temporal, and practical programming with capabilities''
• ``TSL: A system for generating abstract interpreters and its application to machine-code analysis''
• ``DIFC programs by automatic instrumentation''
• ``DIVINE: DIscovering Variables IN Executables''
• ``Reducing the dependence of SPKI/SDSI on PKI''
• ``Weighted pushdown systems and trust-management systems''
• ``Intermediate-representation recovery from low-level code''
• ``A next-generation platform for analyzing executables''
• ``WYSINWYX: What You See Is Not What You eXecute''
• ``Model checking x86 executables with CodeSurfer/x86 and WPDS++''
• ``CodeSurfer/x86 -- A platform for analyzing x86 executables''
• ``Automatic discovery of API-level exploits''
• ``Analyzing memory accesses in x86 executables''
• ``On generalized authorization problems''
• ``Model checking SPKI/SDSI''
• ``Typestate checking of machine code''
• ``Safety checking of machine code'', PLDI 00

Ph.D. Dissertations

• ``Secure programming via game-based synthesis'' (Harris thesis)
• ``Transformer Specification Language: A system for generating analyzers and its applications'' (Lim thesis)
• ``WYSINWYX: What You See Is Not What You eXecute'' (Balakrishnan thesis)
• ``Safety-checking of machine code'' (Xu thesis)

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Code Instrumentation

• ``The interprocedural express-lane transformation''
• ``Debugging via run-time type checking''
• ``Interprocedural path profiling'', CC 99
  (also ``Interprocedural path profiling'', TR-1382)
• New technology for Year 2000 Problem tools
• ``The use of program profiling for software maintenance with applications to the Year 2000 Problem''
  (also ``The use of program profiling in software testing'')

Ph.D. Dissertations

• ``Interprocedural path profiling and the interprocedural express-lane transformation'' (Melski thesis)

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Computational Differentiation and Computational Divided Differencing

• ``Algorithmic differencing''
• ``Computational divided differencing and divided-difference arithmetics''
• ``Computational divided differencing and divided-difference arithmetics''

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Program-Development Environments

• ``Programming environments''
• ``The Synthesizer Generator: A System for Constructing Language-Based Editors''
• ``The Synthesizer Generator Reference Manual: Third Edition''
• ``Language processing in program editors''
• ``Remote attribute updating for language-based editors''
• ``The Synthesizer Generator'', 1985 system
• ``The Synthesizer Generator'', PSDE 1984
• ``Incremental context-dependent analysis for language-based editors''
  (also ``Optimal-time incremental semantic analysis for syntax-directed editors'' and
  ``Incremental evaluation for attribute grammars with application to syntax-directed editors'')
• ``Static-semantic analysis in language-based editors''
• ``The Cornell Program Synthesizer: A syntax-directed programming environment''
• ``The why and wherefore of the Cornell Program Synthesizer''
• ``The Cornell Program Synthesizer''

Ph.D. Dissertations

• ``Techniques for software renovation'' (Siff thesis)
• ``Generating Language-Based Environments'' (Reps thesis)

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Incremental Computing

• ``View-augmented abstractions''
• ``Finite differencing of logical formulas for static analysis'' (also ``Finite differencing of logical formulas for static analysis'', ESOP 2003)
• ``An incremental algorithm for a generalization of the shortest-path problem''
• ``On the computational complexity of dynamic graph problems''
• ``On competitive on-line algorithms for the dynamic priority-ordering problem''
• ``Incremental computation and dynamic algorithms''
• ``An incremental algorithm for maintaining the dominator tree of a reducible flowgraph''
• ``A categorized bibliography on incremental computation''
• ``Incremental computation''
• ``The Synthesizer Generator: A System for Constructing Language-Based Editors''
• ``Incremental evaluation for attribute grammars with unrestricted movement between tree modifications''
• ``Language processing in program editors''
• ``Remote attribute updating for language-based editors''
• ``The Synthesizer Generator'', 1985 system
• ``Incremental context-dependent analysis for language-based editors''
  (also ``Optimal-time incremental semantic analysis for syntax-directed editors'' and
  ``Incremental evaluation for attribute grammars with application to syntax-directed editors'')

Ph.D. Dissertations

• ``Bounded Incremental Computation'' (Ramalingam thesis)
• ``Generating Language-Based Environments'' (Reps thesis)

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Attribute Grammars

• ``Scan grammars: Parallel attribute evaluation via data-parallelism''
• ``The Synthesizer Generator: A System for Constructing Language-Based Editors''
• ``The Synthesizer Generator Reference Manual: Third Edition''
• ``Incremental evaluation for attribute grammars with unrestricted movement between tree modifications''
• ``Sublinear-space evaluation algorithms for attribute grammars''
• ``Remote attribute updating for language-based editors''
• ``The Synthesizer Generator'', 1985 system
• ``The Synthesizer Generator'', PSDE 1984
• ``Interactive proof checking''
• ``Incremental context-dependent analysis for language-based editors''
  (also ``Optimal-time incremental semantic analysis for syntax-directed editors'' and
  ``Incremental evaluation for attribute grammars with application to syntax-directed editors'')
• ``Static-semantic analysis in language-based editors''

Ph.D. Dissertations

• ``Generating Language-Based Environments'' (Reps thesis)

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Miscellaneous

• ```Maximal-munch' tokenization in linear time''

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Please note that the definitive versions of these papers are the published versions. The PostScript versions are provided here as a courtesy, and, in some cases, there may be differences between the PostScript provided here and the published version. We believe that all of the differences are either formatting differences or copy-editing changes. If you cite these papers, please cite the published version rather than giving a URL.

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See also Google Scholar, DBLP, CiteSeerX, ACM Digital Library, Internet Archive Scholar, and MathSciNet.

Books

• Datta, A., Jha, S., Li, N., Melski, D., and Reps, T., Analysis Techniques for Information Security. Synthesis Lectures on Information Security, Privacy, and Trust, Morgan & Claypool Publishers, 2010. [Access via digital object identifier.]

• Reps, T. and Teitelbaum, T., The Synthesizer Generator: A System for Constructing Language-Based Editors. Springer-Verlag, New York, NY, 1988. [abstract; Amazon.com; Access via SpringerLink.]

• Reps, T. and Teitelbaum, T., The Synthesizer Generator Reference Manual: Third Edition. Springer-Verlag, New York, NY, 1988. [Access via SpringerLink.]

  Chinese reprint published by the World Publishing Corporation, Beijing, China, 1991.

• Reps, T., Generating Language-Based Environments. The M.I.T. Press, Cambridge, MA, 1984. (Awarded the 1983 ACM Doctoral Dissertation Award.) [abstract; Amazon.com; Access via IEEEXplore.]

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Journal Publications

• Sistla, M., Chaudhuri, S., and Reps, T., Weighted context-free-language ordered binary decision diagrams. To appear in PACMPL (OOPSLA2) 2024.

• Johnson, K.J.C., Krishnan, R., Reps, T., and D'Antoni, L., Automating pruning in top-down enumeration for program synthesis problems with monotonic semantics. To appear in PACMPL (OOPSLA2) 2024.

• Liu, J., Murphy, C., Grover, A., Johnson, K., Reps, T., D'Antoni, L., Synthesizing formal semantics from executable interpreters. To appear in PACMPL (OOPSLA2) (2024).

• Nagy, S., Kim, J., Reps, T., and D'Antoni, L., Automating unrealizability logic: Hoare-style proof synthesis for infinite sets of programs. To appear in PACMPL (OOPSLA2) (2024).

• Wang, D. and Reps, T., Newtonian program analysis of probabilistic programs. In PACMPL 8(OOPSLA1) (2024), 305-333.

• Sistla, M., Chaudhuri, S., and Reps, T., CFLOBDDs: Context-free-language ordered binary decision diagrams. In ACM Trans. on Program. Lang. and Syst. (TOPLAS) 46(2): 7:1--7:82 (2024). [abstract; ACM Link. PDF; Author's Accepted Manuscript in the ACM Digital Library; slides.]

• Park, K., D'Antoni, L., and Reps, T., Synthesizing specifications. In PACMPL (OOPSLA), Dec. 2023.

• Li, Y., Zhang, Q., and Reps, T., Single-source-single-target interleaved-Dyck reachability via integer linear programming. In PACMPL (POPL) (2023). [PDF.]

• Kim, J., D'Antoni, L., and Reps, T., Unrealizability logic. In PACMPL (POPL) (2023). [PDF, Talk.]

• Kalita, P., Muduli, S., D'Antoni, L., Reps, T., and Roy, S., Synthesizing abstract transformers. In PACMPL (OOPSLA), Dec. 2022. [PDF.]

• Li, Y., Zhang, Q., and Reps, T., Fast graph simplification for interleaved Dyck-reachability. In ACM Trans. on Program. Lang. and Syst. (TOPLAS) 44(2): 11:1--11:28 (2022). [ACM Link.]

• Kim, J., Hu, Q., D'Antoni, L., and Reps, T., Semantics-guided synthesis. In PACMPL 5(POPL) (2021). [ACM Author-Izer Link.]

• Li, Y., Zhang, Q., and Reps, T., On the complexity of bidirected interleaved Dyck-reachability. In PACMPL 5(POPL) (2021). [ACM Author-Izer Link.]

• Liu, P., Wahl, T., and Reps, T., Interprocedural context-unbounded program analysis using observation sequences. In ACM Trans. on Program. Lang. and Syst. 42(4): 16:1-16:34 (2021). [ACM Author-Izer Link.]

• Cyphert, J., Breck, J., Kincaid, Z., and Reps, T., Refinement of path expressions for static analysis. In PACMPL 3(POPL) (2019). [abstract; PDF; ACM Author-Izer Link.]

• Kincaid, Z., Breck, J., Cyphert, J., and Reps, T., Closed forms for numerical loops. In PACMPL 3(POPL) (2019). [abstract; PDF; ACM Author-Izer Link.]

• Sharma, T. and Reps, T., A new abstraction framework for affine transformers. In Formal Methods in System Design (FMSD). [abstract; PDF; Springer page.]

• Kincaid, Z., Cyphert, J., Breck, J., and Reps, T., Non-linear reasoning for invariant synthesis. In PACMPL 2(POPL): 54:1-54:33 (2018). [abstract; PDF; ACM Author-Izer Link; Slides]

• Harris, W., Jha, S., Reps, T., and Seshia, S., Program synthesis for interactive-security systems. In Formal Methods in System Design (FMSD) 51(2): 362-394 (2017). [abstract; Springer page.]

• Srinivasan, V., Vartanian, A., and Reps, T., Model-assisted machine-code synthesis. In PACMPL 1(OOPSLA): 61:1-61:26 (2017). [abstract; PDF; ACM Author-Izer Link; slides]

• Reps, T., Turetsky, E., and Prabhu, P., Newtonian program analysis via tensor product. In ACM Trans. on Program. Lang. and Syst. (TOPLAS) 39(2): 9:1-9:72 (2017). [abstract; PDF; slides; POPL 2016 talk; ACM Author-Izer Link.]

• Thakur, A., Lal, A., Lim, J., and Reps, T., PostHat and all that: Automating abstract interpretation. In Electr. Notes Theor. Comput. Sci. 311, 15-32 (2015). [abstract; PDF.]

• Elder, M., Lim, J., Sharma, T., Andersen, T., and Reps, T., Abstract domains of affine relations. In ACM Trans. on Program. Lang. and Syst. (TOPLAS) 36(4): 11:1-11:73 (2014). [abstract; PDF; ACM Author-Izer Link; slides.]

• Aung, M., Horwitz, S., Joiner, R., and Reps, T., Specialization slicing. In ACM Trans. on Program. Lang. and Syst. (TOPLAS) 36(2): 5:1-5:67 (2014). [abstract; PDF; slides; ACM Author-Izer Link. ] http://doi.acm.org/10.1145/2566620.

• Lim, J. and Reps. T., TSL: A system for generating abstract interpreters and its application to machine-code analysis. In ACM Trans. on Program. Lang. and Syst. (TOPLAS) 35(1): 4:1-4:59 (2013). [abstract; PDF; ACM Author-Izer Link.] http://doi.acm.org/10.1145/2450136.2450139.

• Zhang, W., Sun, C., Lim, J., Lu, S., and Reps, T., ConMem: Detecting crash-triggering concurrency bugs through an effect-oriented approach. In ACM Transactions on Software Engineering and Methodology 22(2): 10:1-10:33 (2013). [abstract; ACM Author-Izer Link.]

• Kidd, N., Reps, T., Dolby, J., and Vaziri, M., Finding concurrency-related bugs using random isolation. In Int. Journal on Software Tools for Technology Transfer 13, 6 (2011), 495-518. [abstract; PDF; DOI; (c) Springer-Verlag]

• Kidd, N., Lammich, P., Touili, T., and Reps, T., A decision procedure for detecting atomicity violations for communicating processes with locks. In Int. Journal on Software Tools for Technology Transfer 13, 1 (2011), 37-60. [abstract; PDF; DOI; (c) Springer-Verlag]

• Lim, J., Lal, A., and Reps, T., Symbolic analysis via semantic reinterpretation. In Int. Journal on Software Tools for Technology Transfer 13, 1 (2011), 61-87. [abstract; PDF; DOI; (c) Springer-Verlag]

• Elder, M., Gopan, D., and Reps, T., View-augmented abstractions. In Electr. Notes Theor. Comput. Sci. 267, 1 (2010), 43-57. [abstract; PDF.]

• Reps, T., Sagiv, M., and Loginov, A., Finite differencing of logical formulas for static analysis. In ACM Trans. on Program. Lang. and Syst. (TOPLAS) 32(6): 24:1-24:55 (2010). [abstract; PDF; ACM Author-Izer Link.] http://doi.acm.org/10.1145/1749608.1749613.

• Balakrishnan, G. and Reps, T., WYSINWYX: What You See Is Not What You eXecute. In ACM Trans. on Program. Lang. and Syst. (TOPLAS) 32(6): 23:1-23:84 (2010). [abstract; PDF; ACM Author-Izer Link.] http://doi.acm.org/10.1145/1749608.1749612.

• Jeannet, B., Loginov, A., Reps, T., and Sagiv, M., A relational approach to interprocedural shape analysis. In ACM Trans. on Program. Lang. and Syst. (TOPLAS) 32(2): 5:1-5:52 (2010). [abstract; PDF; ACM Author-Izer Link.] http://doi.acm.org/10.1145/1667048.1667050.

• Lal, A. and Reps, T., Reducing concurrent analysis under a context bound to sequential analysis. In Formal Methods in System Design 35, 1 (2009), 73-97. [abstract; PDF; (c) Springer-Verlag]

• Lev-Ami, T., Immerman, N., Reps, T., Sagiv, M., Srivastava, S., and Yorsh, G., Simulating reachability using first-order logic with applications to verification of linked data structures. In Logical Methods in Computer Science 5, 2 (2009). [abstract; PostScript; PDF.]

• Yorsh, G., Reps, T., Sagiv, M., and Wilhelm, R., Logical characterizations of heap abstractions. In ACM Transactions on Computational Logic 8(1): 5:1-5:27 (2007). [abstract; PostScript; PDF; ACM Author-Izer Link.]

• Yahav, E., Reps, T., Sagiv, M., and Wilhelm, R., Verifying temporal heap properties specified via evolution logic. Logic Journal of the IGPL 14, 5 (Oct. 2006), 755-784. [abstract; PDF.]

• Reps, T., Schwoon, S., Jha, S., and Melski, D., Weighted pushdown systems and their application to interprocedural dataflow analysis. Science of Computer Programming 58, 1-2 (Oct. 2005), 206-263. [abstract; PostScript; PDF.]

• Alur, R., Benedikt, M., Etessami, K., Godefroid, P., Reps, T., and Yannakakis, M., Analysis of recursive state machines. In ACM Trans. on Program. Lang. and Syst. (TOPLAS) 27, 4 (2005), 786-818. [abstract; ACM Author-Izer Link.]

• Yorsh, G., Skidanov, A., Reps, T., and Sagiv, M., Assume/guarantee reasoning for heap-manipulating programs. In Electronic Notes in Theoretical Computer Science 131, 24 (May 2005), 125-138. [abstract; PostScript; PDF]

• Jha, S. and Reps, T., Model checking SPKI/SDSI. In Journal of Computer Security 12, 3-4 (2004), 317-353. [abstract; PDF]

• Anderson, P., Reps, T., and Teitelbaum, T., Design and implementation of a fine-grained software inspection tool. In IEEE Trans. on Software Engineering 29, 8 (Aug. 2003), 721-733. [abstract; paper, via IEEE Explore.]

• Reps, T.W. and Rall, L.B., Computational divided differencing and divided-difference arithmetics. In Higher-Order and Symbolic Computation 16, 1-2 (2003), 93-149. [abstract; tech. report version: PostScript, PDF; talk: Powerpoint]

• Clarke, E.M., Fujita, M., Rajan, P.S., Reps, T., Shankar, S., and Teitelbaum, T., Program slicing for VHDL. In Software Tools for Technology Transfer 4, 1 (Oct. 2002), 125-137. [abstract; paper]

• Sagiv, M., Reps, T., and Wilhelm, R., Parametric shape analysis via 3-valued logic. In ACM Transactions on Programming Languages and Systems 24, 3 (2002), 217-298. [abstract; PostScript; PDF; ACM Author-Izer Link; talk: Powerpoint]

• Reps, T., Undecidability of context-sensitive data-dependence analysis. In ACM Transactions on Programming Languages and Systems 22, 1 (Jan. 2000), pp. 162-186. [abstract; PostScript; PDF; ACM Author-Izer Link.]

• Melski, D. and Reps, T., Interconvertibility of a class of set constraints and context-free language reachability. In Theoretical Computer Science 248, 1-2 (Nov. 2000), pp. 29-98. [abstract; PostScript; PDF.]

• Siff, M. and Reps, T., Identifying modules via concept analysis. In IEEE Transactions on Software Engineering 25, 6 (Nov./Dec. 1999), pp. 749-768. [abstract; paper, via IEEE Explore.]

• Reps, T., Program analysis via graph reachability. Information and Software Technology 40, 11-12 (November/December 1998), pp. 701-726. [abstract; tech. report version of the paper: PostScript; PDF; talk: Powerpoint]

• Reps, T., ``Maximal-munch'' tokenization in linear time. ACM Transactions on Programming Languages and Systems 20, 2 (March 1998), pp. 259-273. [abstract; PostScript; PDF; ACM Author-Izer Link.]

• Sagiv, M., Reps, T., and Wilhelm, R., Solving shape-analysis problems in languages with destructive updating. ACM Transactions on Programming Languages and Systems 20, 1 (January 1998), pp. 1-50. [abstract; PostScript; PDF; ACM Author-Izer Link.]

• Sagiv, M., Reps, T., and Horwitz, S., Precise interprocedural dataflow analysis with applications to constant propagation. Theoretical Computer Science 167 (1996), 131-170. [abstract; PDF]

• Reps, T., On the sequential nature of interprocedural program-analysis problems. Acta Informatica 33 (1996), 739-757. [abstract; paper]

• Ramalingam, G. and Reps, T., An incremental algorithm for a generalization of the shortest-path problem. Journal of Algorithms 21, (1996), 267-305. [abstract; paper]

• Ramalingam, G. and Reps, T., On the computational complexity of dynamic graph problems. Theoretical Computer Science A 158 (May 1996), 233-277. [abstract; paper]

• Binkley, D., Horwitz, S., and Reps, T., Program integration for languages with procedure calls. ACM Transactions on Software Engineering and Methodology 4, 1 (January 1995), pp. 3-35. [abstract; paper; ACM Author-Izer Link.]

• Ramalingam, G. and Reps, T., On competitive on-line algorithms for the dynamic priority-ordering problem. Information Processing Letters 51 (1994), 155-161. [abstract; paper]

• Yang, W., Horwitz, S., and Reps, T., A program integration algorithm that accommodates semantics-preserving transformations. ACM Transactions on Software Engineering and Methodology 1, 3 (July 1992), 310-354. [abstract; ACM Author-Izer Link.]

• Reps, T., Algebraic properties of program integration. Science of Computer Programming 17 (1991), 139-215. [abstract; PS; PDF]

• Horwitz, S. and Reps, T., Efficient comparison of program slices. Acta Informatica 28 (1991), 713-732. [PDF.]

• Horwitz, S., Reps, T., and Binkley, D., Interprocedural slicing using dependence graphs. ACM Transactions on Programming Languages and Systems 12, 1 (January 1990), 26-60. [abstract; paper; ACM Author-Izer Link.]

• Horwitz, S., Prins, J., and Reps, T., Integrating noninterfering versions of programs. ACM Transactions on Programming Languages and Systems 11, 3 (July 1989), 345-387. [abstract; paper; ACM Author-Izer Link.]

• Reps, T. Incremental evaluation for attribute grammars with unrestricted movement between tree modifications. Acta Informatica 25 (1988), 155-178. [PDF.]

• Reps, T. and Demers, A., Sublinear-space evaluation algorithms for attribute grammars. ACM Transactions on Programming Languages and Systems 9, 3 (July 1987), 408-440. [abstract; ACM Author-Izer Link.]

• Reps, T., Teitelbaum, T., and Demers, A., Incremental context-dependent analysis for language-based editors. ACM Transactions on Programming Languages and Systems 5, 3 (July 1983), 449-477. [abstract; ACM Author-Izer Link.] Corrigenda, ACM Transactions on Programming Languages and Systems 5, 4 (October 1983). [ACM Author-Izer Link.]

• Teitelbaum, T. and Reps, T., The Cornell Program Synthesizer: A syntax-directed programming environment. Communications of the ACM 24, 9 (September 1981), 563-573. [abstract; ACM Author-Izer Link.]

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Invited Papers

• Kincaid, Z., Reps, T.W., and Cyphert, J., Algebraic program analysis (Invited tutorial). In Computer Aided Verification (CAV), Part I, LNCS 12759, Springer, 2021. [abstract; PDF.]

• D'Antoni, L., Hu, Q., Kim, J., and Reps, T.W., Programmable program synthesis. In Computer Aided Verification (CAV), Part I, LNCS 12759, Springer, 2021. [abstract; PDF.]

• Reps, T., Program analyses using Newton's method. In Proc. Int. Conf. on NETworked sYStems (NETYS), May 2018. [abstract; PDF; slides; (c) Springer-Verlag]

• Reps, T. and Thakur, A., Automating abstract interpretation. In Proc. Verification, Model Checking, and Abstract Interpretation (VMCAI), Jan. 2016. [abstract; PDF; (c) Springer-Verlag; video recording; slides]

• McCloskey, B., Reps, T., and Sagiv, M., Statically inferring complex heap, array, and numeric invariants. In Proc. Static Analysis Symposium (SAS), Sept. 2010. [abstract; PDF; (c) Springer-Verlag]

• Reps, T., Lim, J., Thakur, A., Balakrishnan, G., and Lal, A., There's plenty of room at the bottom: Analyzing and verifying machine code (Invited tutorial). In Proc. Computer Aided Verification, July 2010. [abstract; PDF; (c) Springer-Verlag; slides: Powerpoint]

• Reps, T. and Balakrishnan, G., Improved memory-access analysis for x86 executables. (Paper accompanying ``unifying'' invited talk at ETAPS 2008.) In Proc. Int. Conf. on Compiler Construction, April 2008. [abstract; PDF; (c) Springer-Verlag]

• Reps, T., Lal, A., and Kidd, N., Program analysis using weighted pushdown systems. In Proc. 27th Conf. on Foundations of Software Technology and Theoretical Computer Science (FSTTCS), (New Delhi, India, Dec. 12-14, 2007). [abstract; PDF; (c) Springer-Verlag; talk: Powerpoint.]

• Balakrishnan, G., and Reps, T., DIVINE: DIscovering Variables IN Executables. In Proc. Verification, Model Checking, and Abstract Interpretation (VMCAI), (Nice, France, Jan. 14-16, 2007). [abstract; PDF; (c) Springer-Verlag.]

• Jha, S., Schwoon, S., Wang, H., and Reps, T., Weighted pushdown systems and trust-management systems. In Proc. TACAS, (Vienna, Austria, Mar. 25 - Apr. 2, 2006), Springer-Verlag, New York, NY, 2006. [abstract; PDF; (c) Springer-Verlag.]

• Reps, T., Balakrishnan, G., and Lim, J. Intermediate-representation recovery from low-level code. In Proc. Workshop on Partial Evaluation and Program Manipulation (PEPM), (Charleston, SC, Jan. 9-10, 2006). [abstract; PostScript; PDF; ACM Author-Izer Link.]

• Reps, T., Balakrishnan, G., Lim, J., and Teitelbaum, T., A next-generation platform for analyzing executables. In Proc. 3rd Asian Symposium on Programming Languages and Systems, (Tsukuba, Japan, Nov. 3-5, 2005), Springer-Verlag, New York, NY, 2005. [abstract; PostScript; PDF; (c) Springer-Verlag.]

• Reps, T., Sagiv, M., and Wilhelm, R., Static program analysis via 3-valued logic. In Proc. Int. Conf. on Computer-Aided Verification, Springer-Verlag, New York, NY, 2004, 15-30. [abstract; PostScript; PDF; (c) Springer-Verlag; talk: Powerpoint.]

• Rall, L.B. and Reps, T.W., Algorithmic differencing. In Perspectives on Enclosure Methods, U. Kulisch, R. Lohner, and A. Faciush (eds.), Springer-Verlag, Vienna, 2001, 133-147. (Invited paper presented at SCAN 2000: 9th GAMM-IMACS Int. Symp. on Sci. Comput., Comp. Arith., and Validated Numerics, (Karlsruhe, Ger., Sept. 19-22, 2000).) [abstract]

• Wilhelm, R., Sagiv, M., and Reps, T., Shape analysis. In Proc. of CC 2000: 9th Int. Conf. on Compiler Construction, (Berlin, Ger., Mar. 27 - Apr. 2, 2000). [abstract; PostScript; PDF; (c) Springer-Verlag]

• Reps, T., Program analysis via graph reachability. In Proc. of ILPS '97: International Logic Programming Symposium, (Port Jefferson, NY, Oct. 12-16, 1997), J. Maluszynski (ed.), The M.I.T. Press, Cambridge, MA, 1997, pp. 5-19. [abstract; paper, (c) Springer-Verlag]

• Reps, T., The use of program profiling in software testing. In Proc. of Informatik '97 (Aachen, Germany, Sept. 24-27, 1997), M. Jarke, K. Pasedach, and K. Pohl (eds.), Springer-Verlag, Berlin, Ger., 1997, pp. 4-16. [abstract; paper, (c) Springer-Verlag]

• Horwitz, S. and Reps, T., The use of program dependence graphs in software engineering. In Proceedings of the Fourteenth International Conference on Software Engineering, (May 11-15, 1992, Melbourne, Australia), ACM, New York, NY, 1992, pp. 392-411. [abstract; paper; ACM Author-Izer Link.]

• Reps, T. and Horwitz, S., Semantics-based program integration. In Proceedings of the Second European Symposium on Programming, (Nancy, France, March 21-25, 1988), Lecture Notes in Computer Science, Vol. 300, H. Ganzinger (ed.), Springer-Verlag, New York, NY, 1988, pp. 1-20. [PDF.]

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Book Chapters

• Kreiker, J., Reps, T., Rinetzky, N., Sagiv, M., Wilhelm, R., and Yahav, E., Interprocedural shape analysis for effectively cutpoint-free programs. In Programming Logics: Essays in Memory of Harald Ganzinger, LNCS 7797, Springer, 2013.

• Ramalingam, G. and Reps, T., Semantics of program representation graphs. In Semantics to Computer Science: Essays in Honour of Gilles Kahn, Y. Bertot, G. Huet, J.-J. Levy, and G. Plotkin (eds.), Cambridge University Press, 2009.

• Reps, T., Sagiv, M., and Bauer, J., An Appreciation of the Work of Reinhard Wilhelm. In Program Analysis and Compilation, Theory and Practice: Essays Dedicated to Reinhard Wilhelm, Lecture Notes in Computer Science, Vol. 4444, Springer-Verlag, 2007. [PDF]

• Reps, T., Sagiv, M., and Wilhelm, R., Shape analysis and applications. Chapter 12 in The Compiler Design Handbook: Optimizations and Machine Code Generation, 2nd Edition, CRC Press, 2007.

• Clarke, E., Kroening, D., and Reps, T., Static analysis to enhance the power of model checking for concurrent software. In Department of Defense Sponsored Information Security Research: New Methods for Protecting Against Cyber Threats, Wiley, 2007, 349-360.

• Balakrishnan, G., Christodorescu, M., Ganapathy, V., Giffin, J.T., Rubin, S., Wang, H., Jha, S., Miller, B.P., and Reps, T., Analysis of COTS for Security Vulnerability Remediation In Department of Defense Sponsored Information Security Research: New Methods for Protecting Against Cyber Threats, Wiley, 2007, 375-380.

• Sagiv, M., Reps, T.W., Wilhelm, R., and Yahav, E., On the utility of canonical abstraction. In Engineering Theories of Software Intensive Systems, M. Broy, J. Gruenbauer, T. Hoare, and D. Harel (eds.), Kluwer Academic Publishers, Dordrecht, The Netherlands, 2005, 215-253.

• Reps, T., Sagiv, M., and Wilhelm, R., Shape analysis and applications. In The Compiler Design Handbook: Optimizations and Machine Code Generation, CRC Press, 2002, 175-217.

• Reps, T., Demand interprocedural program analysis using logic databases. In Applications of Logic Databases, R. Ramakrishnan (ed.), Kluwer Academic Publishers, Boston, MA, 1994, pp. 163-196. [abstract; paper]

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Reprinted in Collections

• Reps, T.W. and Rall, L.B., Computational divided differencing and divided-difference arithmetics, In Automatic Program Development: A Tribute to Robert Paige, Danvy, O., Mairson, H., Henglein, F., and Pettorossi, A. (Eds.), Springer Verlag, 2008.

  Revised version of Reps, T.W. and Rall, L.B., Computational divided differencing and divided-difference arithmetics. Higher-Order and Symbolic Computation 16, 1-2 (June 2003).

• Loginov, A., Reps, T., and Sagiv, M., Abstraction refinement via inductive learning, In Department of Defense Sponsored Information Security Research: New Methods for Protecting Against Cyber Threats, Wiley, 2007, 361-374.

  Reprinted from Proc. Computer-Aided Verification, 2005.

• Reps, T., Balakrishnan, G., Lim, J., and Teitelbaum, T., A next-generation platform for analyzing executables. In Malware Detection, Advances in Information Security Series, Vol. 27, M. Christodorescu, S. Jha, D. Maughan, D. Song, and C. Wang (eds.), Springer-Verlag, 2006, pp. 43-61.

  Reprinted from Proc. 3rd Asian Symposium on Programming Languages and Systems, (Tsukuba, Japan, Nov. 3-5, 2005).

• Horwitz, S., Reps, T., and Binkley, D., Interprocedural slicing using dependence graphs. 20 Years of the ACM SIGPLAN Conference on Programming Language Design and Implementation (1979 - 1999): A Selection, K.S. McKinley, ed., ACM SIGPLAN Notices 39, 4 (April 2004), 232-243. [abstract; ACM Author-Izer Link.]

  Reprinted from Proceedings of the ACM SIGPLAN 88 Conference on Programming Language Design and Implementation, (Atlanta, GA, June 22-24, 1988), ACM SIGPLAN Notices 23, 7 (July 1988), pp. 35-46.

  A retrospective on the paper was published as

  Horwitz, S., Reps, T., and Binkley, D., Retrospective: Interprocedural slicing using dependence graphs. 20 Years of the ACM SIGPLAN Conference on Programming Language Design and Implementation (1979 - 1999): A Selection, K.S. McKinley, ed., ACM SIGPLAN Notices 39, 4 (April 2004), 229-231. [retrospective (PS); retrospective (PDF); ACM Author-Izer Link.]

• Horwitz, S., Reps, T., and Binkley, D., Interprocedural slicing using dependence graphs. In Software Change Impact Analysis, S.A. Bohner and R.S. Arnold (eds.), IEEE Computer Society, Los Alamitos, CA, 1996.

  Reprinted from ACM Transactions on Programming Languages and Systems 12, 1 (January 1990), 26-60. [abstract; paper; ACM Author-Izer Link.]

• Horwitz, S., Reps, T., and Binkley, D., Interprocedural slicing using dependence graphs. In Software Merging and Slicing, V. Berzins (ed.), IEEE Computer Society, Los Alamitos, CA, pp. 10-44.

  Reprinted from ACM Transactions on Programming Languages and Systems 12, 1 (January 1990), 26-60. [abstract; paper; ACM Author-Izer Link.]

• Horwitz, S., Prins, J., and Reps, T., Integrating noninterfering versions of programs. In Software Merging and Slicing, V. Berzins (ed.), IEEE Computer Society, Los Alamitos, CA, pp. 137-179.

  Reprinted from ACM Transactions on Programming Languages and Systems 11, 3 (July 1989), 345-387. [abstract; paper; ACM Author-Izer Link.]

• Ramalingam, G. and Reps, T., A theory of program modifications. In Software Merging and Slicing, V. Berzins (ed.), IEEE Computer Society, Los Alamitos, CA, 90-105.

  Reprinted from Proceedings of the Colloquium on Combining Paradigms for Software Development, (Brighton, UK, April 8-12, 1991), Lecture Notes in Computer Science, Vol. 494, S. Abramsky and T.S.E. Maibaum (eds.), Springer-Verlag, New York, NY, 1991, pp. 137-152. [PDF.]

• Reps, T. and Teitelbaum, T., Language processing in program editors. In Language Architectures and Programming Environments, T. Ichikawa and H. Tsubotani (eds.), The World Scientific Publishing Company, Singapore, 1992, pp. 146-169.

  Reprinted from IEEE Computer 20, 11 (November 1987), 29-40.

• Teitelbaum, T. and Reps, T., The Cornell Program Synthesizer: A syntax-directed programming environment. In Interactive Programming Environments, D. Barstow, E. Sandewall, and H. Shrobe (eds.), McGraw-Hill, 1984, pp. 97-116.

  Reprinted from Communications of the ACM 24, 9 (September 1981), 563-573. [abstract; ACM Author-Izer Link.]

• Teitelbaum, T., Reps, T., and Horwitz, S., The why and wherefore of the Cornell Program Synthesizer. In Software Development Environments, A.I. Wasserman (ed.), IEEE Computer Society, Washington, DC, 1981, 64-72.

  Reprinted from Proceedings of the ACM SIGPLAN/SIGOA Symposium on Text Manipulation, (Portland, OR, June 8-10, 1981), ACM SIGPLAN Notices 16, 6 (June 1981), pp. 8-16. [ACM Author-Izer Link.]

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Edited Books

• Program Analysis and Compilation, Theory and Practice: Essays Dedicated to Reinhard Wilhelm, T. Reps, M. Sagiv, and J. Bauer (eds.), Lecture Notes in Computer Science, Vol. 4444, Springer-Verlag, 2007. [For information, click here; or access the online version here.]

• Proceedings of the 27th ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages (POPL), Boston, Massachusetts, USA, January 19-21, 2000, M.N. Wegman and T.W. Reps (eds.) ACM, 2000. [Link via ACM Digital Library.]

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Conference and Refereed Workshop Publications

• Kalita, P.K., Reps, T., and Roy, S., Synthesizing abstract transformers for reduced-product domains. To appear in Static Analysis Symposium (SAS), 2024.

• Johnson, K.J.C., Reynolds, A., Reps, T., and D'Antoni, L., The SemGuS Toolkit. In Computer Aided Verification (CAV), 2024

• Park, K., Johnson, K.J.C., D'Antoni, L. and Reps, T., Modular system synthesis. In Formal Methods in Computer-Aided Design (FMCAD), 2023.

• Sistla, M., Chaudhuri, S., and Reps, T., Symbolic quantum simulation with Quasimodo. In Computer Aided Verification (CAV), 2023.

• Alhanahnah, M., Jain, R., Rastogi, V. Jha, S., and Reps, T., Lightweight, multi-stage, compiler-assisted application specialization. In 7th IEEE European Symposium on Security and Privacy, June 2022.

• Henkel, J.,* Ramakrishnan, G.,* Wang, Z., Albarghouthi, A., Jha, S., and Reps, T., Semantic robustness of models of source code. In 29th IEEE Int. Conf. on Software Analysis, Evolution and Reengineering (SANER), March 2022. (``*'' denotes equal contributions.)

• Mukherjee, R., Wen, Y., Chaudhari, D., Reps, T., Chaudhuri, S., and Jermaine, C., Neural program generation modulo static analysis. In Conference on Neural Information Processing Systems (NeurIPS), 2021. (Spotlight presentation). [Link to paper.]

• Hu, Q., Cyphert, J., D'Antoni, L., and Reps, T.W., Synthesis with asymptotic resource bounds. In Computer Aided Verification (CAV), Part I, LNCS 12759, Springer, 2021. [PDF.]

• Henkel, J., Silva, D., Teixeira, L., d'Amorim, M., and Reps, T.W., Shipwright: A human-in-the-loop system for Dockerfile repair. In Proc. Int. Conf. on Software Engineering (ICSE), 2021.

• Wang, D., Hoffmann, J., and Reps, T., Central moment analysis for cost accumulators in probabilistic programs. In ACM Conference on Programming Language Design and Implementation (PLDI), 2021. [ACM Author-Izer Link.]

• Wang, D., Hoffmann, J., and Reps, T., Sound probabilistic inference via guide types. In ACM Conference on Programming Language Design and Implementation (PLDI), 2021. [ACM Author-Izer Link.]

• Henkel, J., Bird, C., Lahiri, S.K., and Reps, T., A dataset of Dockerfiles. In Mining Software Repositories (Data Showcase Track), 2020. [ACM Author-Izer Link.]

• Henkel, J., Bird, C., Lahiri, S.K., and Reps, T., Learning from, understanding, and supporting DevOps artifacts for Docker. In Proc. Int. Conf. on Software Engineering (ICSE), 2020. [abstract; PDF; ACM Author-Izer Link.]

• Hu, Q., Cyphert, J., D'Antoni, L., and Reps, T., Exact and approximate methods for proving unrealizability of syntax-guided synthesis problems. In Proc. ACM Conference on Programming Language Design and Implementation (PLDI), 2020. [abstract; PDF; ACM Author-Izer Link.]

• Li, Y., Zhang, Q., and Reps, T., Fast graph simplification for interleaved Dyck-reachability. In Proc. ACM Conference on Programming Language Design and Implementation (PLDI), 2020. (2020 PLDI Distinguished Paper.) [abstract; PDF; ACM Author-Izer Link.]

• Breck, J., Cyphert, J., Kincaid, Z., and Reps, T., Templates and recurrences: Better together. In Proc. ACM Conference on Programming Language Design and Implementation (PLDI), 2020. [abstract; PDF; ACM Author-Izer Link.]

• Hu, Q., Breck, J., Cyphert, J., D'Antoni, L., and Reps, T., Proving unrealizability for syntax-guided synthesis. In Computer Aided Verification (CAV), 2019. [PDF.]

• Wang, D., Hoffmann, J., and Reps, T., A denotational semantics for low-level probabilistic programs with nondeterminism. In Mathematical Foundations of Programming Semantics (MFPS), 2019. [PDF.]

• Henkel, J., Lahiri, S., Liblit, B., and Reps, T., Code vectors: Understanding programs through embedded abstracted symbolic traces. In ACM Joint European Software Engineering Conference and Symposium on the Foundations of Software Engineering (ESEC/FSE), 2018. [abstract; paper (PDF); ACM Author-Izer Link.]

• Wang, D., Hoffmann, J., and Reps, T., PMAF: An algebraic framework for static analysis of probabilistic programs. In Proc. ACM Conference on Programming Language Design and Implementation (PLDI), 2018. [abstract; paper (PDF); ACM Author-Izer Link; slides (PDF).]

• Sharma, T. and Reps, T., A new abstraction framework for affine transformers. In Proc. Static Analysis Symposium (SAS), 2017. [abstract; PDF; extended version with proofs; slides; (c) Springer-Verlag]

• Brown, D.B., Vaughn, M., Liblit, B., and Reps, T., The care and feeding of wild-caught mutants. In Proc. Joint Meeting of the European Software Eng. Conf. and the ACM SIGSOFT Symp. on the Foundations of Software Engineering (ESEC/FSE), 2017. [abstract; PDF; ACM Author-Izer Link.]

• Carbonneaux, Q., Hoffmann, J., Reps, T., and Shao, Z., Automated resource analysis with Coq proof objects. In Proc. Int. Conf. on Computer Aided Verifications (CAV), 2017. [abstract; PDF; (c) Springer-Verlag]

• Kincaid, Z., Breck, J., Forouhi Boroujeni, A., and Reps, T., Compositional recurrence analysis revisited. In Proc. ACM Conference on Programming Language Design and Implementation (PLDI), 2017. [abstract; PDF; ACM Author-Izer Link; Slides]

  Extended version: TR-1840, Computer Sciences Department, University of Wisconsin, Madison, WI. Revised April 2017. [abstract; PDF]

• Sharma, T. and Reps, T., Sound bit-precise numerical domains. In Proc. Verification, Model Checking, and Abstract Interpretation (VMCAI), 2017. [abstract; PDF]

• Feng, Y., Martins, R., Wang, Y., Dillig, I., and Reps, T.W., Component-based synthesis for complex APIs. In Proc. ACM Symposium on Principles of Programming Languages (POPL), 2017. [abstract; PDF; ACM Author-Izer Link.]

• Srinivasan, V., Sharma, T., and Reps, T., Speeding up machine-code synthesis. In Proc. ACM SIGPLAN Conf. on Systems, Programming, Languages and Applications: Software for Humanity (SPLASH/OOPSLA), 2016. [abstract; PDF; ACM Author-Izer Link; slides]

• Srinivasan, V. and Reps, T., An improved algorithm for slicing machine code. In Proc. ACM SIGPLAN Conf. on Systems, Programming, Languages and Applications: Software for Humanity (SPLASH/OOPSLA), 2016. [abstract; PDF; ACM Author-Izer Link; slides]

• Miné, A., Breck, J., and Reps, T., An algorithm inspired by constraint solvers to infer inductive invariants in numeric programs. In Proc. European Symp. on Programming (ESOP), Apr. 2016. [abstract; PDF]

• Reps, T., Turetsky, E., and Prabhu, P., Newtonian program analysis via tensor product. In Conference Record of the ACM Symposium on Principles of Programming Languages (POPL), 2016. [abstract; conference version; ACM Author-Izer Link; journal version; slides; POPL 2016 talk]

• Ohmann, P., Brown, D.B., Liblit, B., and Reps, T., Recovering execution data from incomplete observations. In Proc. 13th International Workshop on Dynamic Analysis, (WODA), 2015. [ACM Author-Izer Link.]

• Srinivasan, V. and Reps, T., Partial evaluation of machine code. In Proc. ACM SIGPLAN Conference on Systems, Programming, Languages and Applications: Software for Humanity (SPLASH/OOPSLA), 2015. [abstract; conference version; ACM Author-Izer Link; extended version; slides]

• Srinivasan, V. and Reps, T., Synthesis of machine code from semantics. In Proc. ACM Conference on Programming Language Design and Implementation (PLDI), 2015. [abstract; PDF; ACM Author-Izer Link; slides]

• Joiner, R., Reps, T., Jha, S., Dhawan, M., and Ganapathy, V., Efficient runtime enforcement techniques for policy weaving. In Proc. Foundations of Software Engineering (FSE), 2014. [abstract; PDF; ACM Author-Izer Link]

• Thakur, A., Breck, J., and Reps, T., Satisfiability modulo abstraction for separation logic with linked lists. In Proc. Int. SPIN Symposium on Model Checking of Software (SPIN), 2014. [abstract; PDF; ACM Author-Izer Link; Powerpoint.]

• Aung, M., Horwitz, S., Joiner, R., and Reps, T., Specialization slicing. In Proc. ACM Conference on Programming Language Design and Implementation (PLDI), 2014 [abstract; PDF; ACM Author-Izer Link.]

• Itzhaky, S., N. Bjørner, Reps, T., Sagiv, M., and Thakur, A., Property-directed shape analysis. In Proc. Computer-Aided Verification (CAV), 2014. [abstract; PDF; (c) Springer-Verlag]

• Srinivasan, V. and Reps, T., Recovery of class hierarchies and composition relationships from machine code. In Proc. Int. Conf. on Compiler Construction (CC), 2014. [abstract; PDF; slides] (c) Springer-Verlag]

• Harris, W.R., Jha, S., Reps, T., Anderson, J., and Watson, R.N.M., Declarative, temporal, and practical programming with capabilities. In Proc. IEEE Symposium on Security and Privacy (SP), 2013. [abstract; PDF]

• Thakur, A., Elder, M., and Reps, T., Bilateral algorithms for symbolic abstraction. In Proc. Static Analysis Symposium (SAS), 2012. [abstract; PDF; (c) Springer-Verlag]

• Thakur, A. and Reps, T., A generalization of Staalmarck's method. In Proc. Static Analysis Symposium (SAS), 2012. [abstract; PDF; extended version: TR-1699r; (c) Springer-Verlag]

• Harris, W.R., Jha, S., and Reps, T., Secure programming via visibly pushdown safety games. In Proc. Computer-Aided Verification (CAV), 2012. [abstract; PDF; (c) Springer-Verlag]

• Fredrikson, M., Joiner, R., Jha, S., Reps, T., Porras, P., Saïdi, H., and Yegneswaran, V., Efficient runtime policy enforcement using counterexample-guided abstraction refinement. In Proc. Computer-Aided Verification (CAV), 2012. [abstract; PDF; (c) Springer-Verlag]

• Thakur, A. and Reps, T., A method for symbolic computation of abstract operations. In Proc. Computer-Aided Verification (CAV), 2012. [abstract; PDF; (c) Springer-Verlag]

• Driscoll, E., Thakur, A., and Reps, T., OpenNWA: A nested-word-automaton library (tool paper). In Proc. Computer-Aided Verification (CAV), 2012. [abstract; PDF; (c) Springer-Verlag]

• Elder, M., Lim, J., Sharma, T., Andersen, T., and Reps, T., Abstract domains of affine relations. In Proc. Static Analysis Symposium (SAS), 2011. [abstract; SAS 11 version; Extended version with proofs (TR-1691); slides; (c) Springer-Verlag]

• Driscoll, E., Burton, A., and Reps, T., Checking conformance of a producer and a consumer. In Proc. Found. of Software Engineering (FSE), 2011. [abstract; PDF; ACM Author-Izer Link.]

• Zhang, W., Lim, J., Olichandran, R., Scherpelz, J., Jin, G., Lu, S., and Reps, T., ConSeq: Detecting concurrency bugs through sequential errors. In Proc. Architectural Support for Programming Languages and Operating Systems (ASPLOS), 2011. [abstract; PDF; ACM Author-Izer Link.]

• Harris, W., Jha, S., and Reps, T., DIFC programs by automatic instrumentation. In Proc. ACM Conf. on Computer and Communications Security (CCS), 2010. [abstract; PDF; ACM Author-Izer Link.]

• Thakur, A., Lim, J., Lal, A., Burton, A., Driscoll, E., Elder, M., Andersen, T., and Reps, T., Directed proof generation for machine code. In Proc. Computer-Aided Verification (CAV), 2010. [abstract; CAV 10 version; Extended version (TR-1669); (c) Springer-Verlag]

• Harris, W., Kidd, N., Chaki, S., Jha, S., and Reps, T., Verifying information flow over unbounded processes. In Proc. Int. Symp. on Formal Methods (FM), 2009. [abstract; PDF; (c) Springer-Verlag]

• Kidd, N., Lammich, P., Touili, T., and Reps, T., A decision procedure for detecting atomicity violations for communicating processes with locks. In Proc. SPIN Workshop, 2009. [abstract; PDF; (c) Springer-Verlag] (An extended version with proofs is available here.)

• Lim, J., Lal, A., and Reps, T., Symbolic analysis via semantic reinterpretation. In Proc. SPIN Workshop, 2009. [abstract; PDF; (c) Springer-Verlag]

• Kidd, N., Reps, T., Dolby, J., and Vaziri, M., Finding concurrency-related bugs using random isolation. In Proc. Verification, Model Checking, and Abstract Interpretation (VMCAI), 2009. [abstract; PDF; (c) Springer-Verlag]

• Lal, A. and Reps, T., Reducing concurrent analysis under a context bound to sequential analysis. In Proc. Computer-Aided Verification (CAV), 2008. [abstract; PDF; (c) Springer-Verlag]

• Lal, A. and Reps, T., Solving multiple dataflow queries. In Proc. Static Analysis Symposium (SAS), July 2008. [abstract; PDF; (c) Springer-Verlag]

• Kidd, N., Lal, A. and Reps, T., Language strength reduction. In Proc. Static Analysis Symposium (SAS), July 2008. [abstract; PDF; (c) Springer-Verlag]

• Lim, J. and Reps, T., A system for generating static analyzers for machine instructions. In Proc. Int. Conf. on Compiler Construction (CC), April 2008. (Awarded the EAPLS Best Paper Award at ETAPS 2008.) [abstract; PDF; slides: Powerpoint (12 MB); (c) Springer-Verlag]

• Balakrishnan, G. and Reps, T., Analyzing stripped device-driver executables. In Proc. TACAS, Springer-Verlag, New York, NY, April 2008. [abstract; PDF; slides: Powerpoint; (c) Springer-Verlag]

• Lal, A., Touili, T., Kidd, N., and Reps, T., Interprocedural analysis of concurrent programs under a context bound. In Proc. TACAS, Springer-Verlag, New York, NY, April 2008. [abstract; PDF; extended version with proofs and examples (TR-1598, CS Dept., Univ. of Wisconsin); slides: Powerpoint; (c) Springer-Verlag]

• Lal, A., Kidd, N., Reps, T., and Touili, T., Abstract error projection. In Proc. Static Analysis Symposium, 2007. [abstract; PDF; (c) Springer-Verlag]

• Gopan, D. and Reps, T., Guided static analysis. In Proc. Static Analysis Symposium, 2007. [abstract; PDF; (c) Springer-Verlag]

• Lev-Ami, T., Weidenbach, C., Reps, T., and Sagiv, M., Labelled clauses. In Proc. Conference on Automated Deduction, 2007. [abstract; PDF; (c) Springer-Verlag]

• Gopan, D. and Reps, T., Low-level library analysis and summarization. In Proc. Computer-Aided Verification, 2007. [abstract; PDF; (c) Springer-Verlag]

• Amit, D., Rinetzky, N., Reps, T., Sagiv, M., and Yahav, E., Comparison under abstraction for verifying linearizability. In Proc. Computer-Aided Verification, 2007. [abstract; PDF; (c) Springer-Verlag]

• Bogudlov, I., Lev-Ami, T., Reps, T, and Sagiv, M., Revamping TVLA: Making parametric shape analysis competitive (tool paper). In Proc. Computer-Aided Verification, 2007. [abstract; PDF; (c) Springer-Verlag]

• Loginov, A., Reps, T., and Sagiv, M., Refinement-based verification for possibly-cyclic lists. In Program Analysis and Compilation, Theory and Practice: Essays Dedicated to Reinhard Wilhelm, Springer-Verlag, 2007. [abstract; PDF; (c) Springer-Verlag]

• Balakrishnan, G., Reps, T., Melski, D., and Teitelbaum, T., WYSINWYX: What You See Is Not What You eXecute. In Verified Software: Theories, Tools, Experiments, Springer-Verlag, 2007. [abstract; PostScript; PDF; (c) Springer-Verlag]

• Dor, N., Field, J., Gopan, D., Lev-Ami, T., Loginov, A., Manevich, R., Ramalingam, G., Reps, T., Rinetzky, N., Sagiv, M., Wilhelm, R., Yahav, E., and Yorsh, G., Automatic verification of strongly dynamic software systems. In Verified Software: Theories, Tools, Experiments, Springer-Verlag, 2007. [abstract; PostScript; PDF; (c) Springer-Verlag]

• Lev-Ami, T., Sagiv, M., Immerman, N., and Reps, T., Shape analysis of uniform change. In Proc. Verification, Model Checking, and Abstract Interpretation (VMCAI), (Nice, France, Jan. 14-16, 2007). [abstract; PDF; (c) Springer-Verlag]

• Lim, J., Reps, T., and Liblit, B., Extracting output formats from executables. In Proc. IEEE Working Conference on Reverse Engineering, (Benevento, Italy, Oct. 23-27, 2006). [abstract; PDF; talk: Powerpoint]

• Wang, H., Jha, S., Reps, T., Schwoon, S., and Stubblebine, S., Reducing the dependence of SPKI/SDSI on PKI. In European Symposium on Research in Computer Security (ESORICS), 2006. [abstract; PDF; (c) Springer-Verlag]

• Loginov, A., Reps, T., and Sagiv, M., Automated verification of the Deutsch-Schorr-Waite tree-traversal algorithm. In Static Analysis Symposium, 2006. [abstract; PDF; (c) Springer-Verlag]

• Balakrishnan, G. and Reps, T., Recency-abstraction for heap-allocated storage. In Static Analysis Symposium, 2006. [abstract; PDF; (c) Springer-Verlag]

• Lal, A. and Reps, T., Improving pushdown system model checking. In Computer-Aided Verification, 2006. [abstract; PDF; (c) Springer-Verlag]

• Gopan, D. and Reps, T., Lookahead widening. In Computer-Aided Verification, 2006. [abstract; PDF; (c) Springer-Verlag]

• Chaki, S., Clarke, E., Kidd, N., Reps, T., and Touili, T., Verifying concurrent message-passing C programs with recursive calls. In Proc. TACAS, Springer-Verlag, New York, NY, 2006. [abstract; PostScript; PDF; (c) Springer-Verlag; talk: Powerpoint]

• Jeannet, B., Gopan, D., and Reps, T., A relational abstraction for functions. In Proc. 12th Int. Static Analysis Symp., 2005. [abstract; PostScript; PDF; (c) Springer-Verlag]

• Lev-Ami, T., Immerman, N., Reps, T., Sagiv, M., Srivastava, S., and Yorsh, G., Simulating reachability using first-order logic with applications to verification of linked data structures. In Proc. Conf. on Automated Deduction, 2005. [abstract; PostScript; PDF; (c) Springer-Verlag; talk: Powerpoint.]

• Balakrishnan, G., Reps, T., Kidd, N., Lal, A., Lim, J., Melski, D., Gruian, R., Yong, S., Chen, C.-H., and Teitelbaum, T., Model checking x86 executables with CodeSurfer/x86 and WPDS++, (tool-demonstration paper). In Proc. Computer-Aided Verification, 2005. [abstract; PostScript; PDF; (c) Springer-Verlag]

• Lal, A., Balakrishnan, G., and Reps, T., Extended weighted pushdown systems. In Proc. Computer-Aided Verification, 2005. [abstract; PostScript; PDF; (c) Springer-Verlag]

• Loginov, A., Reps, T, and Sagiv, M., Abstraction refinement via inductive learning. In Proc. Computer-Aided Verification, 2005. [abstract; PostScript; PDF; (c) Springer-Verlag]

• Ganapathy, V., Seshia, S.A., Jha, S., Reps, T.W., and Bryant, R.E., Automatic discovery of API-level exploits. In Proc. Int. Conf. on Software Engineering, (St. Louis, Missouri, May 15-21, 2005). [abstract; PostScript; PDF; ACM Author-Izer Link.]

• Balakrishnan, G., Gruian, R., Reps, T., and Teitelbaum, T., CodeSurfer/x86 -- A platform for analyzing x86 executables, (tool demonstration paper). In Proc. Int. Conf. on Compiler Construction, April 2005. [abstract; PostScript; PDF; (c) Springer-Verlag]

• Jeannet, B., Gopan, D., and Reps, T., A relational abstraction for functions. In Int. Workshop on Numerical and Symbolic Abstract Domains, Jan. 2005. [abstract; PostScript; PDF]

• Gopan, D., Reps, T., and Sagiv, M., A framework for numeric analysis of array operations. In Conference Record of the Thirty-Second ACM Symposium on Principles of Programming Languages, (Long Beach, CA, Jan. 12-14, 2005), 338-350. [abstract; PostScript; PDF; ACM Author-Izer Link; Powerpoint]

• Rinetzky, N., Bauer, J., Reps, T., Sagiv, M., and Wilhelm, R., A semantics for procedure local heaps and its abstractions. In Conference Record of the Thirty-Second ACM Symposium on Principles of Programming Languages, (Long Beach, CA, Jan. 12-14, 2005), 296-309. [abstract; PDF; ACM Author-Izer Link.]

• Immerman, N., Rabinovich, A., Reps, T., Sagiv, M., and Yorsh, G., The boundary between decidability and undecidability for transitive closure logics. In Proc. Computer Science Logic, Lecture Notes in Computer Science, Springer-Verlag, New York, NY, 2004. [abstract]

• Jeannet, B., Loginov, A., Reps, T., and Sagiv, M., A relational approach to interprocedural shape analysis. In Proc. 11th Int. Static Analysis Symp., Lecture Notes in Computer Science, Springer-Verlag, New York, NY, 2004. [abstract; PostScript; PDF; (c) Springer-Verlag]

• Immerman, N., Rabinovich, A., Reps, T., Sagiv, M., and Yorsh, G., Verification via structure simulation. In Proc. Int. Conf. on Computer-Aided Verification, 2004, 281-294. [abstract; PostScript; PDF; (c) Springer-Verlag]

• Balakrishnan, G. and Reps, T., Analyzing memory accesses in x86 executables. In Proc. Int. Conf. on Compiler Construction, Springer-Verlag, New York, NY, 2004, 5-23. (Awarded the EAPLS Best Paper Award at ETAPS 2004.) [abstract; PostScript; PDF; (c) Springer-Verlag; talk: Powerpoint]

• Yorsh, G., Reps, T., and Sagiv, M., Symbolically computing most-precise abstract operations for shape analysis. In Proc. TACAS, Springer-Verlag, New York, NY, 2004, 530-545. [abstract; PostScript; PDF; Powerpoint; (c) Springer-Verlag]

• Gopan, D., DiMaio, F., Dor, N., Reps, T., and Sagiv, M., Numeric domains with summarized dimensions. In Proc. TACAS, Springer-Verlag, New York, NY, 2004, 512-529. [abstract; PostScript; PDF; Powerpoint; (c) Springer-Verlag]

• Reps, T., Sagiv, M., and Yorsh, G., Symbolic implementation of the best transformer. In Proc. Verification, Model Checking, and Abstract Interpretation (VMCAI), 2004, 252-266. [abstract; PostScript; PDF; (c) Springer-Verlag]

• T. Reps, S. Schwoon, and S. Jha, Weighted pushdown systems and their application to interprocedural dataflow analysis. In Proc. 10th Int. Static Analysis Symp., (June 11-13, 2003, San Diego, CA), Lecture Notes in Computer Science, Vol. 2694, Springer-Verlag, New York, NY, 2003, pp. 189-213. [abstract; PostScript; PDF; (c) Springer-Verlag; talk: Powerpoint]

• S. Schwoon, S. Jha, T. Reps, and S. Stubblebine, On generalized authorization problems. In Proc. 16th IEEE Computer Security Foundations Workshop, (June 30 - July 2, 2003, Asilomar, Pacific Grove, CA), pp. 202-218. [abstract; PostScript, PDF; talk: Powerpoint.]

• Reps, T., Sagiv, M., and Loginov, A., Finite differencing of logical formulas for static analysis. In Proc. European Symp. on Programming, Lecture Notes in Computer Science, Vol. 2618, Springer-Verlag, New York, NY, 2003, pp. 380-398. [abstract; PostScript; PDF; (c) Springer-Verlag]

• Yahav, E., Reps, T., Sagiv, M., and Wilhelm, R. Verifying temporal heap properties specified via evolution logic. In Proc. European Symp. on Programming, Lecture Notes in Computer Science, Vol. 2618, Springer-Verlag, New York, NY, 2003, pp. 204-222. [abstract; PostScript; PDF; (c) Springer-Verlag]

• Melski, D and Reps, T., The interprocedural express-lane transformation. In Proc. Int. Conf. on Compiler Construction, Lecture Notes in Computer Science, Vol. 2622, Springer-Verlag, New York, NY, 2003, pp. 200-216. [abstract; PostScript; PDF; (c) Springer-Verlag]

• Reps, T., Loginov, A., and Sagiv, M., Semantic minimization of 3-valued propositional formulae. In Proc. IEEE Symp. on Logic in Computer Science, (Copenhagen, Denmark, July 22-25, 2002), pp. 40-54. [abstract; PostScript; PDF; talk: Powerpoint.]

• Jha, S. and Reps, T., Analysis of SPKI/SDSI certificates using model checking. In Proc. 15th IEEE Computer Security Foundations Workshop, (Cape Breton, Nova Scotia, June 24-26, 2002), pp. 129-146. [abstract; PostScript; PDF]

• Benedikt, M., Godefroid, P., and Reps, T., Model checking of unrestricted hierarchical state machines. In Proc. of ICALP 2001, Twenty-Eighth Int. Colloq. on Automata, Languages, and Programming, (Crete, Greece, July 8-12, 2001), Lecture Notes in Computer Science, Vol. 2076, Springer-Verlag, New York, NY, 2001, pp. 652-666. [abstract; PostScript; PDF; (c) Springer-Verlag]

• Loginov, A., Yong, S.H., Horwitz, S., and Reps, T., Debugging via run-time type checking. In Proc. of FASE 2001: Fundamental Approaches to Softw. Eng., (Genoa, Italy, April 2-6, 2001). [abstract; PostScript; PDF; (c) Springer-Verlag]

• Xu, Z., Reps, T., and Miller, B., Typestate checking of machine code. In Proc. of ESOP 2001: European Symp. on Programming, (Genoa, Italy, April 2-6, 2001). [abstract; PostScript; PDF; (c) Springer-Verlag]

• Lev-Ami, T., Reps, T., Sagiv, M., and Wilhelm, R., Putting static analysis to work for verification: A case study. In ISSTA 2000: Proc. of the Int. Symp. on Software Testing and Analysis, (Portland, OR, Aug. 21-25, 2000). [abstract; PostScript; PDF; ACM Author-Izer Link.]

• Xu, Z., Miller, B., and Reps, T., Safety checking of machine code. In SIGPLAN '00: Proceedings of the ACM Conference on Programming Language Design and Implementation, (Vancouver B.C., Canada, June 18-21, 2000), pp. 70-82. [abstract; paper; ACM Author-Izer Link.]

• Chandra, S. and Reps, T., Physical type checking for C. In Proc. of PASTE '99: SIGPLAN-SIGSOFT Workshop on Program Analysis for Software Tools and Engineering, (Toulouse, France, Sept. 6, 1999). ACM SIGSOFT Software Engineering Notes 24, 5 (Sept. 1999), pp. 66-75. [abstract; PostScript; PDF; ACM Author-Izer Link.]

• Siff, M., Chandra, S., Ball, T., Kunchithapadam, K., and Reps, T., Coping with type casts in C. In Proceedings of ESEC/FSE '99: Seventh European Software Engineering Conference and Seventh ACM SIGSOFT Symposium on the Foundations of Software Engineering, (Toulouse, France, Sept. 6-10, 1999), pp. 180-198. [abstract; PostScript; PDF; ACM Author-Izer Link.]

• Clarke, E.M., Fujita, M., Rajan, P.S., Reps, T., Shankar, S., and Teitelbaum, T., Program slicing of hardware description languages. In Proc. of Charme '99, (Bad Herrenalb, Ger., Sept. 27-29, 1999). [abstract; PostScript; PDF]

• Yong, S.H., Horwitz, S., and Reps, T., Pointer analysis for programs with structures and casting. In SIGPLAN '99: Proceedings of the ACM Conference on Programming Language Design and Implementation, (Atlanta, GA, May 1-4, 1999), ACM SIGPLAN Notices 34, 5 (May 1999), pp. 91-103. [abstract; PostScript; PDF; ACM Author-Izer Link.]

• Melski, D. and Reps, T., Interprocedural path profiling. In Proc. of CC '99: 8th Int. Conf. on Compiler Construction, (Amsterdam, The Netherlands, Mar. 22-26, 1999), Lecture Notes in Computer Science, Vol. 1575, S. Jaehnichen (ed.), Springer-Verlag, New York, NY, 1999, pp. 47-62. [abstract; PostScript; PDF; (c) Springer-Verlag]

• Benedikt, M., Reps, T., and Sagiv, M., A decidable logic for describing linked data structures. In Proc. of ESOP '99: European Symposium on Programming, (Amsterdam, The Netherlands, Mar. 22-26, 1999), Lecture Notes in Computer Science, Vol. 1576, S.D. Swierstra (ed.), Springer-Verlag, New York, NY, 1999, pp. 2-19. [abstract; PostScript; PDF; (c) Springer-Verlag]

• Sagiv, M., Reps, T., and Wilhelm, R., Parametric shape analysis via 3-valued logic. In Conference Record of the Twenty-Sixth ACM Symposium on Principles of Programming Languages, (San Antonio, TX, Jan. 20-22, 1999), ACM, New York, NY, 1999, pp. 105-118. [abstract; PostScript; PDF; ACM Author-Izer Link.]

• Siff, M. and Reps, T., Identifying modules via concept analysis. In ICSM '97: IEEE International Conference on Software Maintenance, (Oct. 1-3, 1997, Bari, Italy), M.J. Harrold and G. Visaggio (eds.), IEEE Computer Society, Washington, DC, 1997, pp. 170-179. [abstract; PostScript; PDF]

• Reps, T., Ball, T., Das, M., and Larus, J., The use of program profiling for software maintenance with applications to the Year 2000 Problem. In Proceedings of ESEC/FSE '97: Sixth European Software Engineering Conference and Fifth ACM SIGSOFT Symposium on the Foundations of Software Engineering, (Zurich, Switzerland, Sept. 22-25, 1997), Lecture Notes in Computer Science, Vol. 1301, M. Jazayeri and H. Schauer (eds.), Springer-Verlag, New York, NY, 1997, pp. 432-449. [abstract; paper; ACM Author-Izer Link.]

• Melski, D. and Reps, T., Interconvertibility of set constraints and context-free language reachability. In PEPM '97: Proceedings of the ACM SIGPLAN Symposium on Partial Evaluation and Semantics-Based Program Manipulation, (Amsterdam, The Netherlands, June 12-13, 1997), ACM, New York, NY, 1997, pp. 74-89. [abstract; paper; ACM Author-Izer Link.]

• Siff, M. and Reps, T., Program generalization for software reuse: From C to C++. In SIGSOFT 96: Proceedings of the Fourth ACM SIGSOFT Symposium on the Foundations of Software Engineering, (San Francisco, CA, October 16-18, 1996), ACM, New York, NY, 1996, pp. 135-146. [abstract; paper; ACM Author-Izer Link.]

• Reps, T. and Turnidge, T., Program specialization via program slicing. In Proceedings of the Dagstuhl Seminar on Partial Evaluation, (Schloss Dagstuhl, Wadern, Germany, Feb. 12-16, 1996), Lecture Notes in Computer Science, Vol. 1110, O. Danvy, R. Glueck, and P. Thiemann (eds.), Springer-Verlag, New York, NY, 1996, pp. 409-429. [abstract; paper, (c) Springer-Verlag]

• Sagiv, M., Reps, T., and Wilhelm, R., Solving shape-analysis problems in languages with destructive updating. In Conference Record of the Twenty-Third ACM Symposium on Principles of Programming Languages, (St. Petersburg, FL, Jan. 22-24, 1996), ACM, New York, NY, 1996, pp. 16-31. [abstract; paper; ACM Author-Izer Link.]

• Horwitz, S., Reps, T., and Sagiv, M., Demand interprocedural dataflow analysis. In SIGSOFT '95: Proceedings of the Third ACM SIGSOFT Symposium on the Foundations of Software Engineering, (Washington, DC, October 10-13, 1995), ACM SIGSOFT Software Engineering Notes 20, 4 (1995), pp. 104-115. [abstract; paper; ACM Author-Izer Link.]

• Reps, T. and Rosay, G., Precise interprocedural chopping. In SIGSOFT '95: Proceedings of the Third ACM SIGSOFT Symposium on the Foundations of Software Engineering, (Washington, DC, October 10-13, 1995), ACM SIGSOFT Software Engineering Notes 20, 4 (1995), pp. 41-52. [abstract; paper; ACM Author-Izer Link.]

• Das, M., Reps, T., and Van Hentenryck, P. Semantic foundations of binding-time analysis for imperative programs. In PEPM '95: Proceedings of the ACM SIGPLAN Symposium on Partial Evaluation and Semantics-Based Program Manipulation, (La Jolla, California, June 21-23, 1995), ACM, New York, NY, 1995, pp. 100-110. [abstract; paper; ACM Author-Izer Link.]

• Reps, T., Shape analysis as a generalized path problem. In PEPM '95: Proceedings of the ACM SIGPLAN Symposium on Partial Evaluation and Semantics-Based Program Manipulation, (La Jolla, California, June 21-23, 1995), ACM, New York, NY, 1995, pp. 1-11. [abstract; PostScript; PDF; ACM Author-Izer Link.]

• Sagiv, M., Reps, T., and Horwitz, S., Precise interprocedural dataflow analysis with applications to constant propagation. In Proceedings of FASE '95: Colloquium on Formal Approaches in Software Engineering, (Aarhus, Denmark, May 22-26, 1995), Lecture Notes in Computer Science, Vol. 915, P.D. Mosses, M. Nielsen, and M.I. Schwartzbach (eds.), Springer-Verlag, New York, NY, 1995, pp. 651-665. [abstract; paper, (c) Springer-Verlag]

• Reps, T., Horwitz, S., and Sagiv, M., Precise interprocedural dataflow analysis via graph reachability. In Conference Record of the Twenty-Second ACM Symposium on Principles of Programming Languages, (San Francisco, CA, Jan. 23-25, 1995), pp. 49-61. [abstract; PDF; ACM Author-Izer Link.]

• Reps, T., Horwitz, S., Sagiv, M., and Rosay, G., Speeding up slicing. In SIGSOFT '94: Proceedings of the Second ACM SIGSOFT Symposium on the Foundations of Software Engineering, (New Orleans, LA, December 7-9, 1994), ACM SIGSOFT Software Engineering Notes 19, 5 (December 1994), pp. 11-20. (Awarded an ACM SIGSOFT Retrospective Impact Paper Award 2011.) [abstract; PDF; ACM Author-Izer Link.]

• Reps, T., Solving demand versions of interprocedural analysis problems. In Proceedings of the Fifth International Conference on Compiler Construction, (Edinburgh, Scotland, April 7-9, 1994), Lecture Notes in Computer Science, Vol. 786, P. Fritzson (ed.), Springer-Verlag, New York, NY, 1994, pp. 389-403. [abstract; paper, (c) Springer-Verlag]

• Ramalingam, G. and Reps, T., An incremental algorithm for maintaining the dominator tree of a reducible flowgraph. In Conference Record of the Twenty-First ACM Symposium on Principles of Programming Languages, (Portland, OR, Jan. 16-19, 1994), pp. 287-296. [abstract; PostScript; PDF; ACM Author-Izer Link.]

• Reps, T., Scan grammars: Parallel attribute evaluation via data-parallelism. In Proceedings of the Fifth ACM Symposium on Parallel Algorithms and Architectures, (Velen, Germany, June 30 - July 2, 1993). [abstract; PostScript; PDF; ACM Author-Izer Link.]

• Ramalingam, G. and Reps, T., Modification algebras. In Proceedings of the Second International Conference on Algebraic Methodology and Software Technology (AMAST), (Iowa City, Iowa, May 22-24, 1991). [abstract; PostScript; paper; (c) Springer-Verlag]

• Ramalingam, G. and Reps, T., A theory of program modifications. In Proceedings of the Colloquium on Combining Paradigms for Software Development, (Brighton, UK, April 8-12, 1991), Lecture Notes in Computer Science, Vol. 494, S. Abramsky and T.S.E. Maibaum (eds.), Springer-Verlag, New York, NY, 1991, pp. 137-152. [PDF.]

• Yang, W., Horwitz, S., and Reps, T., A program integration algorithm that accommodates semantics-preserving transformations. In SIGSOFT '90: Proceedings of the Fourth ACM SIGSOFT Symposium on Software Development Environments, (Irvine, CA, December 3-5, 1990), ACM Software Engineering Notes 15, 6 (December 1990), pp. 133-143. [ACM Author-Izer Link.]

• Reps, T., Algebraic properties of program integration. In Proceedings of the 3nd European Symposium on Programming (Copenhagen, Denmark, May 15-18, 1990), Lecture Notes in Computer Science, Vol. 432, N. Jones (ed.), Springer-Verlag, New York, NY, 1990, pp. 326-340. [PDF.]

• Reps, T. and Bricker, T., Illustrating interference in interfering versions of programs. In Proceedings of the Second International Workshop on Software Configuration Management, (Princeton, NJ, October 24-27, 1989), ACM Software Engineering Notes 17, 7 (November 1989), pp. 46-55. [ACM Author-Izer Link.]

• Horwitz, S., Pfeiffer, P., and Reps, T., Dependence analysis for pointer variables. In Proceedings of the ACM SIGPLAN 89 Conference on Programming Language Design and Implementation, (Portland, OR, June 21-23, 1989), ACM SIGPLAN Notices 24, 7 (July 1989), pp. 28-40. [ACM Author-Izer Link.]

• Reps, T. and Yang, W., The semantics of program slicing and program integration. In Proceedings of the Colloquium on Current Issues in Programming Languages, (Barcelona, Spain, March 13-17, 1989), Lecture Notes in Computer Science, Vol. 352, J. Diaz and F. Orejas (eds.), Springer-Verlag, New York, NY, 1989, pp. 360-374. [PDF.]

• Horwitz, S., Reps, T., and Binkley, D., Interprocedural slicing using dependence graphs. In Proceedings of the ACM SIGPLAN 88 Conference on Programming Language Design and Implementation, (Atlanta, GA, June 22-24, 1988), ACM SIGPLAN Notices 23, 7 (July 1988), pp. 35-46. (Selected as one of the 50 most influential papers from ACM PLDI 1979-99.) [abstract; retrospective (PS); retrospective (PDF); ACM Author-Izer Link.]

• Reps, T., Horwitz, S., and Prins, J., Support for integrating program variants in an environment for programming in the large. In Proceedings of the International Workshop on Software Version and Configuration Control, (Grassau, W. Germany, Jan. 27-29, 1988), Berichte des German Chapter of the ACM, Vol. 30, J.F.H. Winkler (ed.), B.G. Teubner, Stuttgart, W. Germany, 1988, pp. 197-216.

• Horwitz, S., Prins, J., and Reps, T., Integrating noninterfering versions of programs. In Conference Record of the Fifteenth ACM Symposium on Principles of Programming Languages, (San Diego, CA, January 13-15, 1988), ACM, New York, NY, 1988, pp. 133-145. [ACM Author-Izer Link.]

• Horwitz, S., Prins, J., and Reps, T., On the adequacy of program dependence graphs for representing programs. In Conference Record of the Fifteenth ACM Symposium on Principles of Programming Languages, (San Diego, CA, January 13-15, 1988), ACM, New York, NY, 1988, pp. 146-157. [abstract; paper; ACM Author-Izer Link.]

• Reps, T., Marceau, C., and Teitelbaum, T., Remote attribute updating for language-based editors. In Conference Record of the Thirteenth ACM Symposium on Principles of Programming Languages, (St. Petersburg, FL, January 13-15, 1986), ACM, New York, NY, 1986, pp. 1-13. [ACM Author-Izer Link.]

• Reps, T. and Teitelbaum, T., The Synthesizer Generator. In Proceedings of the ACM SIGSOFT/SIGPLAN Software Engineering Symposium on Practical Software Development Environments, (Pittsburgh, PA, April 23-25, 1984), ACM SIGPLAN Notices 19, 5 (May 1984), pp. 42-48. (Awarded an ACM SIGSOFT Retrospective Impact Paper Award 2010.) [abstract; paper; ACM Author-Izer Link.]

• Reps, T. and Alpern, B., Interactive proof checking. In Conference Record of the Eleventh ACM Symposium on Principles of Programming Languages, (Salt Lake City, Utah, January 15-18, 1984), ACM, New York, NY, 1984, pp. 36-45. [abstract; ACM Author-Izer Link.]

• Reps, T., Static-semantic analysis in language-based editors. In Digest of Papers of the IEEE Spring CompCon 83, (San Francisco, CA, March 1-3, 1983), IEEE Computer Society, Washington, DC, 1983, pp. 411-414.

• Reps, T., Optimal-time incremental semantic analysis for syntax-directed editors. In Conference Record of the Ninth ACM Symposium on Principles of Programming Languages, (Albuquerque, NM, January 25-27, 1982), ACM, New York, NY, 1982, pp. 169-176. [abstract; ACM Author-Izer Link.]

• Teitelbaum, T., Reps, T., and Horwitz, S., The why and wherefore of the Cornell Program Synthesizer. In Proceedings of the ACM SIGPLAN/SIGOA Symposium on Text Manipulation, (Portland, OR, June 8-10, 1981), ACM SIGPLAN Notices 16, 6 (June 1981), pp. 8-16. [ACM Author-Izer Link.]

• Demers, A., Reps, T., and Teitelbaum, T., Incremental evaluation for attribute grammars with application to syntax-directed editors. In Conference Record of the Eighth ACM Symposium on Principles of Programming Languages, (Williamsburg, VA, January 26-28, 1981), ACM, New York, NY, 1981, pp. 105-116. [abstract; ACM Author-Izer Link.]

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Tutorials

• Material from POPL 2022 tutorial ``Program analysis via graph reachability: Past, present, and future'' (Q. Zhang and T. Reps):
  • Link for slides

• Material from CAV 2021 tutorial ``Introduction to Algebraic Program Analysis'' (Z. Kincaid and T. Reps):
  • Part 1 (Kincaid)
  • Part 2 (Kincaid)
  • Part 3 (Reps)
  • Part 4 (Kincaid)

• Material from PLMW@PLDI21 talk ``Tips on writing a research paper'':
  • Slides
  • Video recording

• Material from POPL 2018 tutorial ``Introduction to algebraic program analysis'' (Z. Kincaid and T. Reps):
  • Part 1 (Kincaid)
  • Part 2 (Kincaid)
  • Part 3 (Reps)
  • Part 4 (Kincaid)

• Material from CAV 2010 tutorial ``There's plenty of room at the bottom: Analyzing and verifying machine code'':
  • Reps, T., Lim, J., Thakur, A., Balakrishnan, G., and Lal, A., There's plenty of room at the bottom: Analyzing and verifying machine code (Invited tutorial). In Proc. Computer Aided Verification, July 2010. [abstract; PDF; (c) Springer-Verlag]
  • Slides: Powerpoint

• Material from PLDI 2000 tutorial ``Program analysis via graph reachability'':
  • Reps, T., Program analysis via graph reachability. Information and Software Technology 40, 11-12 (November/December 1998), pp. 701-726. [abstract; tech. report version of the paper: PostScript; PDF]
  • Slides: Powerpoint

• Material from POPL 1993 tutorial ``Incremental computation''
  • Ramalingam, G. and Reps, T., A categorized bibliography on incremental computation. In Conference Record of the Twentieth ACM Symposium on Principles of Programming Languages, (Charleston, SC, Jan. 11-13, 1993), ACM, New York, NY, 1993, pp. 502-510. (Tutorial paper.) [PDF; ACM Author-Izer Link.]
  • Reps, T., Incremental computation. Unpublished tutorial notes, 1993. (Presented at the Twentieth ACM Symposium on Principles of Programming Languages, (Charleston, SC, Jan. 11-13, 1993).) [PDF]

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Patents

• Reps, T., Horwitz, S., and Binkley, D., Interprocedural slicing of computer programs using dependence graphs. U.S. Patent Number 5,161,216, issued November 3, 1992. (Assignee: Wisconsin Alumni Research Foundation, Madison, WI.)

• Alhanahnah, M., Rastogi, V., Jha, S., and Reps, T., Computer implemented program specialization. U.S. Patent Number 12,079,607, issued September 3, 2024. (Assignee: Wisconsin Alumni Research Foundation, Madison, WI.)

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Pending Submissions

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Magazine Articles

• Anderson, P. and Reps, T., When good compilers go bad, or What you see is not what you execute. In Embedded Systems Design, Feb. 2010.

• Anderson, P., Reps, T., Teitelbaum, T., and Zarins, M., Tool support for fine-grained software inspection. IEEE Software 20(4): 42-50 (2003). [abstract; paper, via IEEE Explore.]

• Reps, T. and Teitelbaum, T., Language processing in program editors. IEEE Computer 20, 11 (November 1987), 29-40.

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Other Publications and Reports

• Zhi, X., and Reps, T.W., Polynomial bounds of CFLOBDDs against BDDs. arXiv:2406.01525, June 2024.

• Jain, A., Adiole, C., Chaudhuri, S., Reps, T., and Jermaine, C., Tuning models of code with compiler-generated reinforcement learning feedback. arXiv:2305.18341, May 2023.

• Sistla, M., Chaudhuri, S., and Reps, T., Weighted context-free-language ordered binary decision diagrams. arXiv:2305.13610, May 2023.

• Park, K., D'Antoni, L., and Reps, T.W., Synthesizing specifications. arXiv:2301.11117, Jan. 2023.

• Sistla, M., Chaudhuri, S., and Reps, T., CFLOBDDs: Context-Free-Language Ordered Binary Decision Diagrams. arXiv:2211.06818, Nov. 2022. [slides.]

• Henkel, J., Silva, D., Teixeira, L., d'Amorim, M., and Reps, T.W., Shipwright: A human-in-the-loop system for Dockerfile repair. In Proc. Int. Conf. on Software Engineering (ICSE, Companion Volume), 2021, pp. 198-199.

• Henkel, J., Lahiri, S.K., Liblit, B., and Reps, T.W., Enabling open-world specification mining via unsupervised learning. arXiv:1904.12098, Nov. 2022.

• Kashyap, V., Brown, D.B., Liblit, B., Melski, D., and Reps, T., Source Forager: A search engine for similar source code. arXiv:1706.02769, June 2017.

• Amodio, M., Chaudhuri, S., and Reps, T., Neural attribute machines for program generation. arXiv:1705.09231v2, May 2017.

• Henry, J., Thakur, A., Kidd, N., and Reps, T., Dissolve: A distributed SAT solver based on Staalmarck's method. TR-1839, Computer Sciences Department, University of Wisconsin, Madison, WI, Aug. 2016. [abstract; PDF]

• Srinivasan, V. and Reps, T., Slicing machine code. TR-1824, Computer Sciences Department, University of Wisconsin, Madison, WI, Oct. 2015. [abstract; PDF]

• Srinivasan, V. and Reps, T., Synthesis of machine code from semantics. TR-1814, Computer Sciences Department, University of Wisconsin, Madison, WI, Feb. 2015. [abstract; PDF]

• Kroening, D., Reps, T.W., Seshia, S.A., and Thakur, A. (eds.), Decision procedures and abstract interpretation (Dagstuhl Seminar 14351), Dagstuhl Seminar Report 4, 8 (Dec. 2014) International Conference and Research Center for Computer Science (IBFI), Schloss Dagstuhl, Wadern, Germany, 2014. [URL]

• Reps, T. and Thakur, A., Through the lens of abstraction. In Proc. of the High Confidence Software and Systems Conference (HCSS), May 2014. [PDF]

• Thakur, A., Lal, A., Lim, J., and Reps, T., PostHat and all that: Attaining most-precise inductive invariants. TR-1790, Computer Sciences Department, University of Wisconsin, Madison, WI, April 2013. [abstract; PDF]

• Sharma, T., Thakur, A., and Reps, T., An abstract domain for bit-vector inequalities. TR-1789, Computer Sciences Department, University of Wisconsin, Madison, WI, April 2013. [abstract; PDF]

• Srinivasan, V.K. and Reps, T., Software-architecture recovery from machine code. TR-1781, Computer Sciences Department, University of Wisconsin, Madison, WI, March 2013. [abstract; PDF]

• King, A.M., Mycroft, A., Reps, T.W., and Simon, A. (eds.), Analysis of executables: Benefits and challenges (Dagstuhl Seminar 12051) Dagstuhl Seminar Report 2, 1 (May 2012) International Conference and Research Center for Computer Science (IBFI), Schloss Dagstuhl, Wadern, Germany, 2012. [URL]

• Harris, W.R., Farley, B., Jha, S., and Reps, T., Programming for a capability system via safety games, TR-1705, Computer Sciences Department, University of Wisconsin, Madison, WI, March 2012. [abstract; PDF]

• Prabhu, P., Reps, T., Lal, A., and Kidd, N. Verifying concurrent programs via bounded context-switching and induction. TR-1701, Computer Sciences Department, University of Wisconsin, Madison, WI, November 2011. [abstract; PDF]

• Driscoll, E., Thakur, A., Burton, A., and Reps, T., WALi: Nested-word automata. TR-1675r, Computer Sciences Department, University of Wisconsin, Madison, WI, July 2010; revised Sept. 2011. [abstract; PDF]

• Lim, J. and Reps, T., BCE: Extracting botnet commands from bot executables. TR-1668, Computer Sciences Department, University of Wisconsin, Madison, WI, February 2010. [abstract; PDF]

• Lal, A., Lim, J., and Reps, T., McDash: Refinement-based property verification for machine code. TR-1659, Computer Sciences Department, University of Wisconsin, Madison, WI, June 2009. [abstract; PDF]

• Lev-Ami, T., Sagiv, M., Reps, T., and Gulwani, S., Backward analysis for inferring quantified preconditions. Tech. Rep. TR-2007-12-01, Tel Aviv University, Dec. 2007. [PDF]

• Kidd, N., Moore, K., Wood, D., and Reps, T., Towards the analysis of transactional software. TR-1624, Computer Sciences Department, University of Wisconsin, Madison, WI, October 2007. [abstract; PDF]

• Kidd, N., Reps, T., Dolby, J., and Vaziri, M., Static detection of atomic-set serializability violations. TR-1623, Computer Sciences Department, University of Wisconsin, Madison, WI, October 2007. [abstract; PDF]

• Kidd, N., Lal, A., and Reps, T., Advanced querying for property checking. TR-1621, Computer Sciences Department, University of Wisconsin, Madison, WI, October 2007. [abstract; PDF]

• Lal, A., Touili, T., Kidd, N., and Reps, T., Weighted pushdown systems and weighted transducers. TR-1581, Computer Sciences Department, University of Wisconsin, Madison, WI, Oct. 2006. [abstract; PDF]

• Balakrishnan, G., Reps, T., Kidd, N., Lal, A., Lim, J., Melski, D., Gruian, R., Yong, S., Chen, C.-H., and Teitelbaum, T., Model checking x86 executables with CodeSurfer/x86 and WPDS++. In Proc. Workshop on the Evaluation of Software Defect Detection Tools, June 2005.

• Yahav, E., Pnueli, A., Reps, T., and Sagiv, M., Automatic verification of temporal heap properties. April 2004.

• Yahav, E., Reps, T., and Sagiv, M., LTL model checking for systems with unbounded number of dynamically created threads and objects. TR-1424, Computer Sciences Department, University of Wisconsin, Madison, WI, March 2001. [abstract; PostScript; PDF]

• Chandra, S. and Reps, T., Physical type checking for C. Bell Labs. Tech. Rep. BL0113590-990302-04, Lucent Technologies, Inc., Naperville, IL, Mar. 1999. [abstract; PostScript; PDF]

• Siff, M., Chandra, S., Ball, T., Kunchithapadam, K., and Reps, T., Coping with type casts in C. Bell Labs. Tech. Rep. BL0113590-990202-03, Lucent Technologies, Inc., Naperville, IL, Feb. 1999. [abstract; PostScript; PDF]

• Clarke, E.M., Fujita, M., Rajan, P.S., Reps, T., Shankar, S., and Teitelbaum, T., Program slicing for design automation: An automatic technique for speeding-up hardware design, simulation, testing, and verification. Unpublished report, October 1998. [abstract; paper]

• Melski, D. and Reps, T., Interprocedural path profiling. TR-1382, Computer Sciences Department, University of Wisconsin, Madison, WI, September 1998. [abstract; PostScript; PDF]

• Reps, T., Program analysis via graph reachability. TR-1386, Computer Sciences Department, University of Wisconsin, Madison, WI, August 1998. [abstract; PostScript; PDF; talk: Powerpoint]

• Mueller, H., Reps, T., and Snelting, G. (eds.), Program comprehension and software reengineering. Dagstuhl Seminar Report, International Conference and Research Center for Computer Science (IBFI), Schloss Dagstuhl, Wadern, Germany, 1998. dag9810.ps

• The Wisconsin Program-Slicing Tool 1.0, Reference Manual. Computer Sciences Department, University of Wisconsin-Madison, August 1997. slicing-manual.ps

• Das, M. and Reps, T. BTA termination using CFL-reachability. TR-1329, Computer Sciences Department, University of Wisconsin, Madison, WI, November 1996.

• Horwitz, S., Reps, T., and Sagiv, M., Demand interprocedural dataflow analysis. TR-1283, Computer Sciences Department, University of Wisconsin, Madison, WI, August 1995. tr1283r.ps

• Reps, T., Sagiv, M., and Wilhelm, R., Solving shape-analysis problems in languages with destructive updating. TR-1276, Computer Sciences Department, University of Wisconsin, Madison, WI, July 1995. tr1276.ps

• van Leeuwen, J., Mehlhorn, K., and Reps, T. (eds.), Incremental computation and dynamic algorithms. Dagstuhl Seminar Report 88, International Conference and Research Center for Computer Science (IBFI), Schloss Dagstuhl, Wadern, Germany, 1994. dagstuhl.sr88.ps

• Reps, T., Sagiv, M., and Horwitz S., Interprocedural dataflow analysis via graph reachability. TR 94-14, Datalogisk Institut, University of Copenhagen, Copenhagen, Denmark, April 1994. diku-tr94-14.ps

• Reps, T., The Wisconsin Program-Integration System Reference Manual: Release 2.0. Computer Sciences Department, University of Wisconsin-Madison, July 1993. manual.2.0.ps

• Ramalingam, G. and Reps, T., A categorized bibliography on incremental computation. In Conference Record of the Twentieth ACM Symposium on Principles of Programming Languages, (Charleston, SC, Jan. 11-13, 1993), ACM, New York, NY, 1993, pp. 502-510. (Tutorial paper.) [PDF; ACM Author-Izer Link.]

• Reps, T., Incremental computation. Unpublished tutorial notes, 1993. (Presented at the Twentieth ACM Symposium on Principles of Programming Languages, (Charleston, SC, Jan. 11-13, 1993).) [PDF]

• Klint, P., Reps, T., and Snelting, G. (eds.), Programming environments. Dagstuhl Seminar Report 34, International Conference and Research Center for Computer Science (IBFI), Schloss Dagstuhl, Wadern, Germany, 1992. [ACM Author-Izer Link.]

• Binkley, D., Horwitz, S., and Reps, T., Identifying semantic differences in programs with procedures (Extended abstract). Computer Sciences Department, University of Wisconsin-Madison, September 1991.

• Ramalingam, G. and Reps, T., New programs from old. TR-1057, Computer Sciences Department, University of Wisconsin-Madison, November 1991. [paper; latest version]

• Ball, T., Horwitz, S., and Reps, T., Correctness of an algorithm for reconstituting a program from a dependence graph. TR-947, Computer Sciences Department, University of Wisconsin-Madison, July 1990.

• Ramalingam, G. and Reps, T., Semantics of program representation graphs. TR-900, Computer Sciences Department, University of Wisconsin-Madison, December 1989. [paper]

• Binkley, D., Horwitz, S., and Reps, T., The multi-procedure equivalence theorem. TR-890, Computer Sciences Department, University of Wisconsin-Madison, November 1989. [paper]

• Reps, T. Demonstration of a prototype tool for program integration. TR-819, Computer Sciences Department, University of Wisconsin-Madison, January 1989. [paper]

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• Teitelbaum, T., Reps, T., et al., The Cornell Program Synthesizer. Version 1, June 1979; Version 1.02, September 1980; Version 1.03, September 1981. Licensed to approximately 110 sites.

• Reps, T., Teitelbaum, T., et al., The Synthesizer Generator. Release 1.0, December 1985; Release 2.0, July 1987; Release 3.0, April 1989. Licensed to approximately 325 sites.

• Reps, T., Bricker, T., Rosay, G., et al., The Wisconsin Program-Integration System. Release 0.5, April 1990; Release 1.0, April 1992. Release 2.0, July 1993. Licensed to 9 sites.

• Reps, T., Rosay, G., and Horwitz, S., The Wisconsin Program-Slicing Tool. Release 1.0, August 1997.

• Kidd, N., Reps, T., Melski, D., and Lal, A., WPDS++: A C++ Library for Weighted Pushdown Systems, 2004. (Download software from here.)

• Kidd, N., Lal, A., and Reps, T., WALi: The Weighted Automaton Library, December 2007. (GitHub site.)

• Driscoll, E., Thakur, A., and Reps, T., OpenNWA: A Nested-Word Automaton Library, March 2012. (GitHub site.)

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Visitors and Post-Doctoral Associates

• Zirui Zhou (Peking University), July - September 2024.

• Xusheng Zhi, (Peking University), January - July 2024.

• Meghana Aparna Sistla, (Indian Institute of Technology Madras) May - July 2018. (Google Scholar, DBLP )

• Di Wang (Peking University), June - August 2016. ( DBLP )

• Julien Henry, Nov. 2014 - Aug. 2016.

• Junghee Lim, 2011-13. (Google Scholar, DBLP )

• Anders Møller (Aarhus University), Oct. - Nov. 2010. (Google Scholar, DBLP )

• Xin Li (Japan Advanced Institute of Science and Technology), Summer 2010.

• Neil Immerman (Univ. of Massachusetts), 2004-05. (Google Scholar, DBLP )

• Bertrand Jeannet (IRISA), Mar. - June 2003. (Google Scholar, DBLP )

• Stefan Schwoon (Currently, Maître de conférence, ENS Paris-Saclay), Feb. - Mar. 2003. (Google Scholar, DBLP )

• David Melski, 2002. (Currently with Oracle, Wellington, NZ.)

• Mooly Sagiv, 1994-95. (Currently Professor, School of Computer Science, Tel-Aviv University, Israel.) (Google Scholar, DBLP )

• Robert Paige (NYU), 1990-91. (Google Scholar, DBLP )

• Jiazhen Cai (NYU), 1990-91.

• Wuu Yang, 1990-91. (Currently Professor, Department of Computer and Information Science, National Chiao-Tung University, Taiwan.)

• Jan Prins, 1986-87. (Currently Professor, Department of Computer Science, University of North Carolina, Chapel Hill.)

Page at the Mathematics Genealogy Project

• Mike Vaughn, Specializing C and x86 Machine-Code Software with OS Assistance. Ph.D. dissertation, January 2024. [Link to dissertation]

• John Cyphert, Compositional, Monotone, and Non-linear Program Analysis, Ph.D. dissertation, December 2023. [Link to dissertation]

• Jordan Henkel, Learning from Code and Non-Code Artifacts. Ph.D. dissertation, Computer Sciences Department, University of Wisconsin, Madison, WI, May 2022. [PDF]

• Jason Breck, Enhancing Algebraic Program Analysis. Ph.D. dissertation and Tech. Rep. TR-1863, Computer Sciences Department, University of Wisconsin, Madison, WI, Aug. 2020. [Link to dissertation]

• David Bingham Brown, Mutation Testing: Algorithms and Applications. Ph.D. dissertation, Computer Sciences Department, University of Wisconsin, Madison, WI, Aug. 2020. (Supervised jointly with B. Liblit.) [Link to dissertation]

• Tushar Sharma, Abstract Interpretation Over Bitvectors. Ph.D. dissertation and Tech. Rep. TR-1849, Computer Sciences Department, University of Wisconsin, Madison, WI, Aug. 2017. [abstract; PDF]

• Venkatesh Srinivasan, Synthesis of Machine Code: Algorithms and Applications. Ph.D. dissertation and Tech. Rep. TR-1844, Computer Sciences Department, University of Wisconsin, Madison, WI, Mar. 2017. [abstract; PDF]

  For this work, Venkatesh received the UW Computer Sciences Department's Outstanding Graduate Student Research Award for 2016-2017.

• William Harris, Secure programming via game-based synthesis. Ph.D. dissertation and Tech. Rep. TR-1814, Computer Sciences Department, University of Wisconsin, Madison, WI, Dec. 2014. (Supervised jointly with S. Jha.) [abstract; PDF] (Google Scholar, DBLP )

• Aditya Thakur, Symbolic abstraction: Algorithms and applications. Ph.D. dissertation and Tech. Rep. TR-1812, Computer Sciences Department, University of Wisconsin, Madison, WI, Aug. 2014. [abstract; PDF] (Google Scholar, DBLP )

  For this work, Aditya was a co-recipient of the UW Computer Sciences Department's Outstanding Graduate Student Research Award for 2013-2014.

• Evan Driscoll, Checking format compatibility of programs using automata. Ph.D. dissertation and Tech. Rep. TR-1799, Computer Sciences Department, University of Wisconsin, Madison, WI, Aug. 2013. [abstract; dissertation]

• Junghee Lim, Transformer Specification Language: A system for generating analyzers and its applications. Ph.D. dissertation and Tech. Rep. TR-1689, Computer Sciences Department, University of Wisconsin, Madison, WI, May 2011. [abstract; PDF] (CiteseerX, Google Scholar, DBLP )

  For this work, Junghee received the UW Computer Sciences Department's Outstanding Graduate Student Research Award for 2010-2011.

• Nick Kidd, Static verification of data-consistency properties. Ph.D. dissertation and Tech. Rep. TR-1665, Computer Sciences Department, University of Wisconsin, Madison, WI, August 2009. [abstract; PDF] (CiteseerX, Google Scholar, DBLP )

• Akash Lal, Interprocedural analysis and the verification of concurrent programs. Ph.D. dissertation and Tech. Rep. TR-1662, Computer Sciences Department, University of Wisconsin, Madison, WI, August 2009. [abstract; PDF] (CiteseerX, Google Scholar, DBLP )

  For this work, Akash was a co-recipient of the 2009 ACM SIGPLAN John C. Reynolds Doctoral Dissertation Award, and a co-recipient of the UW Computer Sciences Department's Outstanding Graduate Student Research Award for 2008-2009. Akash was also named to MIT Technology Review's 2011 India TR-35 list (top innovators under 35).

• Gogul Balakrishnan, WYSINWYX: What You See Is Not What You eXecute. Ph.D. dissertation and Tech. Rep. TR-1603, Computer Sciences Department, University of Wisconsin, Madison, WI, August 2007. [abstract; PDF] (CiteseerX, Citeseer, Google Scholar, DBLP )

  For this work, Gogul received the UW Computer Sciences Department's Outstanding Graduate Student Research Award for 2007-2008.

• Denis Gopan, Numeric program analysis techniques with applications to array analysis and library summarization. Ph.D. dissertation and Tech. Rep. TR-1602, Computer Sciences Department, University of Wisconsin, Madison, WI, August 2007. [abstract; PDF] (CiteseerX, Citeseer, Google Scholar, DBLP )

• Alexey Loginov, Refinement-based program verification via three-valued-logic analysis. Ph.D. dissertation and Tech. Rep. TR-1574, Computer Sciences Department, University of Wisconsin, Madison, WI, August 2006. [abstract; PDF] (CiteseerX, Citeseer, Google Scholar, DBLP )

• David Melski, Interprocedural path profiling and the interprocedural express-lane transformation. Ph.D. dissertation and Tech. Rep. TR-1435, Computer Sciences Department, University of Wisconsin, Madison, WI, February 2002. [abstract; PostScript; PDF] (CiteseerX, Citeseer, Google Scholar, DBLP )

• Zhichen Xu, Safety-checking of machine code. Ph.D. dissertation, Computer Sciences Department, University of Wisconsin, Madison, WI, December 2000. (Supervised jointly with B. Miller.) [abstract; PostScript; PDF] (CiteseerX, Citeseer, Google Scholar, DBLP )

• Michael Siff, Techniques for software renovation. Ph.D. dissertation and Tech. Rep. TR-1384, Computer Sciences Department, University of Wisconsin, Madison, WI, August 1998. [abstract; dissertation] (CiteseerX, Citeseer, Google Scholar, DBLP )

• Manuvir Das, Partial evaluation using dependence graphs. Ph.D. dissertation and Tech. Rep. TR-1362, Computer Sciences Department, University of Wisconsin, Madison, WI, February 1998. [abstract; dissertation] (CiteseerX, Citeseer, Google Scholar, DBLP )

• G. Ramalingam, Bounded incremental computation. Ph.D. dissertation and Tech. Rep. TR-1172, Computer Sciences Department, University of Wisconsin, Madison, WI, August 1993. (CiteseerX, Citeseer, Google Scholar, DBLP )

  Dissertation published as: Ramalingam, G., Bounded Incremental Computation, Lecture Notes in Computer Science, Vol. 1089, Springer-Verlag, New York, NY, 1996. [Access via SpringerLink.]

• David Binkley, Multi-procedure program integration. Ph.D. dissertation and Tech. Rep. TR-1038, Computer Sciences Department, University of Wisconsin, Madison, WI, August 1991. [dissertation] (CiteseerX, Citeseer, Google Scholar, DBLP )

• Phil Pfeiffer, Dependence-based representations for programs with reference variables. Ph.D. dissertation and Tech. Rep. TR-1037, Computer Sciences Department, University of Wisconsin, Madison, WI, August 1991. [dissertation (7.2 MB)] (CiteseerX, Citeseer, Google Scholar, DBLP )

• Wuu Yang, A new algorithm for semantics-based program integration. Ph.D. dissertation and Tech. Rep. TR-962, Computer Sciences Department, University of Wisconsin, Madison, WI, August 1990. (Supervised jointly with S. Horwitz.) [dissertation] (CiteseerX, Citeseer, Google Scholar, DBLP )

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