'Program variables' diaporamas de présentation

Resistance Training Programs

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Operational Semantics

Operational Semantics. Mooly Sagiv http://www.math.tau.ac.il/~sagiv/courses/pa.html Tel Aviv University 640-6706 Textbook: Semantics with Applications Chapter 2 H. Nielson and F. Nielson http://www.daimi.au.dk/~bra8130/Wiley_book/wiley.html.

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Axiomatic Semantics

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Verifiable Programming

Verifiable Programming. Reason about imperative sequential programs such as Java Imperative program defines state space defined by collection of typed program variables are coordinate axis of state space pattern of actions operating in state space. View of imperative programming.

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Axiomatic Semantics

Axiomatic Semantics. Will consider axiomatic semantics (A.S.) of IMP: <stmt> ::= skip | <assign> | <if> | <while> | <stmt>; <stmt> | <input> | <output> Only integer vars; no procedures/fns; vars declared implicitly References: Kurtz (ch. 11); Pagan (ch. 4.3)

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Automated Theorem Proving Lecture 1

Automated Theorem Proving Lecture 1. Given program P and specification S, does P satisfy S?. Program verification is undecidable!. The model checking approach. Create a model of the program in a decidable formalism Verify the model algorithmically Difficulties

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Automated Theorem Proving Lecture 1

Automated Theorem Proving Lecture 1. Given program P and specification S, does P satisfy S?. Program verification is undecidable!. The model checking approach. Create a model of the program in a decidable formalism Verify the model algorithmically Difficulties

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int main( ) { x = a(); } int a() { y = b(); }

int main( ) { x = a(); } int a() { y = b(); }. int b() { z = c(); } int c() { }. main calls a a calls b b calls c c returns to b b returns to a a returns to main. The call tree:. main. a. b. c. Partial assembly code for main() and a(). main: . .

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CSE 6341 (755) Programming Languages

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Chapter 9

Chapter 9. More SQL: Assertions, Views, and Programming Techniques. FIGURE 9.1 Two views specified on the database schema of Figure 5.5. FIGURE 9.2 C program variables used in the embedded SQL examples E1 and E2. FIGURE 9.3 Program segment E1, a C program segment with embedded SQL.

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Starting to Program From Scratch

CS110: Intro to Computer Science. Starting to Program From Scratch. Core Issue Programming Concepts. scratch is a new programming language that lets you create your own interactive stories, animations, games, music, and art. Supporting Issues Programming Logic. Prepared by Fred Annexstein

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Flow of Control

Flow of Control. Control Structures. Control structure: An instruction that determines the order in which other instructions in a program are executed. Structured programming: A programming methodology in which each logical unit of a program should have just one entry and one exit.

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Lecture 5: Stopping with a Sentinel

Lecture 5: Stopping with a Sentinel. Using a Sentinel. Problem Develop a class-averaging program that will process an arbitrary number of grades each time the program is run. Unknown number of students Can not use counter-controlled repetition! How will the program know to end?

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Software Verification 1 Deductive Verification

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SEEM3460 Tutorial

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