A web-integrated verifying compiler for RESOLVE

Welch, Daniel; Cook, Charles T.; Sun, Youyi; Sitaraman, Murali

doi:10.1145/2590748.2590760

Cited by 4 publications

(4 citation statements)

References 19 publications

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“…Extensive experience with the IDE in the classroom indicates that students are indeed capable of producing correct software using the the IDE as discussed in this paper. While the present paper has focused only on functional correctness of code, the IDE includes features to create and view mathematical units and data abstraction realizations with representation invariants and abstraction relations, as well as for generating executable Java code from RESOLVE code [36].…”

Section: Discussionmentioning

confidence: 99%

“…The IDE discussed in this paper is web-integrated, easy to use, and freely available online. It has been used at multiple institutions over the span of several years for teaching [9] and research [36] purposes, and is designed for RESOLVE, an integrated specification and programming language supported by a push-button verifying compiler [31]. The characteristics that distinguish the RESOLVE language and approach from most others include the following [21]:…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Formal Reasoning Using an Iterative Approach with an Integrated Web IDE

Kabbani

Welch

Priester

et al. 2015

Electron. Proc. Theor. Comput. Sci.

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This paper summarizes our experience in communicating the elements of reasoning about correctness, and the central role of formal specifications in reasoning about modular, component-based software using a language and an integrated Web IDE designed for the purpose. Our experience in using such an IDE, supported by a 'push-button' verifying compiler in a classroom setting, reveals the highly iterative process learners use to arrive at suitably specified, automatically provable code. We explain how the IDE facilitates reasoning at each step of this process by providing human readable verification conditions (VCs) and feedback from an integrated prover that clearly indicates unprovable VCs to help identify obstacles to completing proofs. The paper discusses the IDE's usage in verified software development using several examples drawn from actual classroom lectures and student assignments to illustrate principles of design-by-contract and the iterative process of creating and subsequently refining assertions, such as loop invariants in object-based code.Comment: In Proceedings F-IDE 2015, arXiv:1508.0338

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Formal Reasoning Using an Iterative Approach with an Integrated Web IDE

Kabbani

Welch

Priester

et al. 2015

Electron. Proc. Theor. Comput. Sci.

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“…The RESOLVE Web IDE is an online formal verification system designed for both educational and research purposes [21][22] [23]. This IDE allows users to create and write formal specifications for modular and component-based software in RESOLVE, an integrated specification and programing language [24].…”

Section: A Web Ide and In-class Learningmentioning

confidence: 99%

Tool-Assisted Loop Invariant Development and Analysis

Priester

Sun

Sitaraman

2016

2016 IEEE 29th International Conference on Software Engineering Education and Training (CSEET)

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Identification of an adequate invariant is valuablefor reasoning about the correctness of code involving a loop, informally or formally. Almost every modern system for automated verification demands that programmers annotate their code with assertions, such as invariants to facilitate automation. But many learners struggle to grasp how to arrive at an assertion that remains an invariant and is sufficiently strong to prove subsequent assertions reliant on the outcome of the loop. The objective of this research is to present a method to help understand the difficulties students face in developing suitable loop invariants, and assist them in the process. We describe results from an experimentation in a software engineering classroom where students were charged with developing verified component-based code using a web-based front end for a verifying compiler. We collected data in the background as students attempted to produce verified code with loop invariants in in-class activities and take-home projects.Initial results show what kinds of information we can expect to see and what kinds of feedback might be useful.

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“…A significant component of the tutorial will be "hands-on" activities with developing verified software [4,5,6,7]. This will allow the Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage, and that copies bear this notice and the full citation on the first page.…”

Section: Outlinementioning

confidence: 99%

Special session

Sitaraman

Weide

2014

Proceedings of the 45th ACM Technical Symposium on Computer Science Education

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Program correctness is central to computing, with instructors striving to convey the importance of "getting it right" starting in CS1. Teaching this material carefully demands a uniform framework to specify, implement, and reason about software correctness. To make these ideas accessible to educators and students, the tutorial will use RESOLVE, an integrated specification and programming language with a toolset especially designed for building verified components. The tutorial will also discuss how to get students involved through hands-on activities with software construction and modular verification using a web-integrated environment that requires no software installation and that features a prototype "pushbutton" verifying compiler. The proposers have taught the ideas contained here using engaging pedagogical methods in introductory and advanced CS courses to thousands of students and dozens of educators over the past 20 years, and this SIGCSE tutorial will leverage that experience.

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A web-integrated verifying compiler for RESOLVE

Cited by 4 publications

References 19 publications

Formal Reasoning Using an Iterative Approach with an Integrated Web IDE

Formal Reasoning Using an Iterative Approach with an Integrated Web IDE

Tool-Assisted Loop Invariant Development and Analysis

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