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Relatively complete counterexamples for higher-order programs

Published: 03 June 2015 Publication History

Abstract

In this paper, we study the problem of generating inputs to a higher-order program causing it to error. We first approach the problem in the setting of PCF, a typed, core functional language and contribute the first relatively complete method for constructing counterexamples for PCF programs. The method is relatively complete with respect to a first-order solver over the base types of PCF. In practice, this means an SMT solver can be used for the effective, automated generation of higher-order counterexamples for a large class of programs. We achieve this result by employing a novel form of symbolic execution for higher-order programs. The remarkable aspect of this symbolic execution is that even though symbolic higher-order inputs and values are considered, the path condition remains a first-order formula. Our handling of symbolic function application enables the reconstruction of higher-order counterexamples from this first-order formula. After establishing our main theoretical results, we sketch how to apply the approach to untyped, higher-order, stateful languages with first-class contracts and show how counterexample generation can be used to detect contract violations in this setting. To validate our approach, we implement a tool generating counterexamples for erroneous modules written in Racket.

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cover image ACM Conferences
PLDI '15: Proceedings of the 36th ACM SIGPLAN Conference on Programming Language Design and Implementation
June 2015
630 pages
ISBN:9781450334686
DOI:10.1145/2737924
  • cover image ACM SIGPLAN Notices
    ACM SIGPLAN Notices  Volume 50, Issue 6
    PLDI '15
    June 2015
    630 pages
    ISSN:0362-1340
    EISSN:1558-1160
    DOI:10.1145/2813885
    • Editor:
    • Andy Gill
    Issue’s Table of Contents
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Published: 03 June 2015

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Author Tags

  1. Higher-order programs
  2. contracts
  3. symbolic execution

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  • (2021)Corpse reviver: sound and efficient gradual typing via contract verificationProceedings of the ACM on Programming Languages10.1145/34343345:POPL(1-28)Online publication date: 4-Jan-2021
  • (2019)Automatic and scalable detection of logical errors in functional programming assignmentsProceedings of the ACM on Programming Languages10.1145/33606143:OOPSLA(1-30)Online publication date: 10-Oct-2019
  • (2019)IDVECompanion Proceedings of the 3rd International Conference on the Art, Science, and Engineering of Programming10.1145/3328433.3328453(1-16)Online publication date: 1-Apr-2019
  • (2019)A Bounded Model Checking Technique for Higher-Order ProgramsDependable Software Engineering. Theories, Tools, and Applications10.1007/978-3-030-35540-1_1(1-18)Online publication date: 18-Nov-2019
  • (2018)Test generation for higher-order functions in dynamic languagesProceedings of the ACM on Programming Languages10.1145/32765312:OOPSLA(1-27)Online publication date: 24-Oct-2018
  • (2018)Gradual liquid type inferenceProceedings of the ACM on Programming Languages10.1145/32765022:OOPSLA(1-25)Online publication date: 24-Oct-2018
  • (2018)Interval-based resource usage verification by translation into Horn clauses and an application to energy consumptionTheory and Practice of Logic Programming10.1017/S147106841800004218:02(167-223)Online publication date: 11-May-2018
  • (2017)Soft contract verification for higher-order stateful programsProceedings of the ACM on Programming Languages10.1145/31581392:POPL(1-30)Online publication date: 27-Dec-2017
  • (2017)Abstracting definitional interpreters (functional pearl)Proceedings of the ACM on Programming Languages10.1145/31102561:ICFP(1-25)Online publication date: 29-Aug-2017
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