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A Formal Analysis Method of C Language Real-time System Operation Based on tmsvl

A real-time system and analysis method technology, applied in the field of formal verification, can solve problems such as high difficulty, heavy workload, and error-prone, and achieve the effect of overcoming heavy workload

Active Publication Date: 2017-10-20
XIDIAN UNIV
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  • Claims
  • Application Information

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Problems solved by technology

[0006] Aiming at the deficiencies in the prior art, the present invention aims to provide a formal analysis method for the operation of a C language real-time system based on TMSVL, which makes it easier for TMSVL to verify the nature of the C language real-time system, and overcomes the workload compared to manual modeling Large, difficult and error-prone problems, compared to automatic modeling, the present invention does not require the establishment of complex converters

Method used

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  • A Formal Analysis Method of C Language Real-time System Operation Based on tmsvl
  • A Formal Analysis Method of C Language Real-time System Operation Based on tmsvl
  • A Formal Analysis Method of C Language Real-time System Operation Based on tmsvl

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Embodiment 1

[0046] Embodiment 1 and embodiment 2 correspond to the C language real-time system under the same Windows operating system. The C language real-time system source code file is iplus.c, which has an integer variable i with an initial value of 0, and then every 1 The second increases by 1, and when the final time is 9 seconds, it increases to 9 and ends. Use the TMSVL program to describe the real-time properties of the integer variable i, if the time when the C language real-time system starts is 0 seconds, then the value of the integer variable i in each second and the actual number of seconds are numerically equal to Equally, let the real-time property be n second i value n, n ranges from 0 to 9, including 0 and 9, use the TMSVL program to describe this real-time property and then verify it. Before the assertion is inserted, the source code of the C language real-time system is as follows:

[0047]

[0048] Such as figure 2 As shown, the implementation of embodiment 1 (u...

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Abstract

The invention discloses a formalized analysis method for C language real-time system operation based on TMSVL. The method uses TMSVL language to describe the properties of the C language real-time system, that is, to describe the value of the property variable to be verified at a specific time, and at the same time in the C language The assertion statement is added to the source code of the real-time system, and the information of the variable to be verified is obtained by executing the C language real-time system added with the assertion statement, and finally the formal analysis of the operation of the C language real-time system is completed. The present invention makes it easier for TMSVL to verify the properties of the C language real-time system, overcomes the problems of heavy manual modeling workload, great difficulty and error-prone, and compared with automatic modeling, the present invention does not need to establish complex converters and improves Efficiency of formal analysis of real-time systems in C language.

Description

technical field [0001] The invention mainly relates to the technical field of formal verification, in particular to a formal analysis method for real-time system operation in C language based on TMSVL. Background technique [0002] As one of the most popular and widely used high-level programming languages ​​in the world, C language has been widely used in system design and development. The C language real-time system refers to the use of C language in the design and development of the real-time system, which includes the use of C language to design and develop the entire real-time system and the use of C language to design and develop a certain module of the real-time system. C language real-time systems have been widely used in military, aerospace, traffic control and other related fields in modern times. In practical applications, the reliability requirements of C language real-time systems are very high. If certain time constraints are not met, major accidents will resu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F11/36
Inventor 王小兵苏多铎段振华赵亮田聪张南
Owner XIDIAN UNIV
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