--%>

Define Number of Interleavings

Number of Interleavings: Besides the raw number of threads, the state space is affected by the number of potential interleavings of these threads. While there exist automated techniques (partial-order reduction) to reduce these interleavings, most model checkers include some kind of interface to denote atomic sections (code which does not interfere with other threads). Previous versions of JPF supported two primitives: Verify.beginAtomic() and Verify.endAtomic(). They were used to mark a section of the code that would be executed atomically by the model checker so that no thread interleavings were allowed.

2229_interleavings.jpg

These calls are deprecated in the current version of JPF, which by default supports partial-order reduction instead. Use the Verify.beginAtomic and Verify.endAtomic primitives with care because a deadlock will occur when a thread becomes blocked inside of an atomic section.

   Related Questions in Programming Languages

  • Q : Define Package Package : The named

    Package: The named grouping of classes and interfaces which gives a package namespace. Classes, interfaces and class members devoid of an explicit public, protected or private access modifier {access!modifier} encompass package visibility. The public

  • Q : Explain the term QTP Environment

    Explain the term QTP Environment?

  • Q : Write a function Write a function that

    Write a function that takes an integer value and returns the number with its digits reversed. For example, given 7631, the function should return 1367.

  • Q : State Sub type Sub type: It is a type

    Sub type: It is a type with a parent super type. The sub-type or super-type relationship is more common than the sub-class or super-class relationship. A class which implements an interface is a sub type of interface. An interface which expands the ot

  • Q : What is Cursor Cursor : This is a

    Cursor: This is a visual representation of the existing position of the mouse on the user's virtual desktop. Cursor shapes are frequently set to symbolize the current state of a program – utilizing an hour glass shape to point out that the user

  • Q : Write a program that prints out all

    Write a program that prints out all prime numbers between 1 and 1000. Print the values out ten per line, with digits lined in proper columns.

  • Q : What is Application programming

    Application programming interface (API): It is a set of definitions that you can make use of it in writing programs. In the perspective of Java, these are the classes, packages, and interfaces which can be utilized to build complex ap

  • Q : Define Inner class Inner class : A

    Inner class: A class defined within an enclosing method or class. We use the word to refer to non-static nested classes.

  • Q : Data types of LONG To define the data

    To define the data types such as LONG, INT, SHORT, CHAR write a program?

  • Q : Describe Uninitialized variable

    Uninitialized variable: It is a local variable which been declared, however has had no value allocated to it. The compiler will warn of variables that are employed before being initialized.