creduce | C-Reduce , a C program reducer | Compiler library

by csmith-project C++ Version: Current License: Non-SPDX

X-Ray Key Features Code Snippets Community Discussions(2)Vulnerabilities Install Support

kandi X-RAY | creduce Summary

creduce is a C++ library typically used in Utilities, Compiler applications. creduce has no bugs, it has no vulnerabilities and it has medium support. However creduce has a Non-SPDX License. You can download it from GitHub.

C-Reduce is a tool that takes a large C or C++ program that has a property of interest (such as triggering a compiler bug) and automatically produces a much smaller C/C++ program that has the same property. It is intended for use by people who discover and report bugs in compilers and other tools that process C/C++ code. NOTE: C-Reduce happens to do a pretty good job reducing the size of programs in languages other than C/C++, such as JavaScript and Rust. If you need to reduce programs in some other language, please give it a try. Documentation and other information can be found at the C-Reduce web page.

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Quality

Security

License

Reuse

Support

creduce has a medium active ecosystem.

It has 938 star(s) with 108 fork(s). There are 41 watchers for this library.

It had no major release in the last 6 months.

There are 32 open issues and 102 have been closed. On average issues are closed in 184 days. There are 10 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of creduce is current.

Quality

creduce has no bugs reported.

Security

creduce has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

creduce has a Non-SPDX License.

Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.

Reuse

creduce releases are not available. You will need to build from source code and install.

Installation instructions are available. Examples and code snippets are not available.

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creduce Key Features

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creduce Examples and Code Snippets

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Community Discussions

Trending Discussions on creduce

Can't find some flags in frama-c.21.1

What is difference between found and required in following errors

QUESTION

Can't find some flags in frama-c.21.1

Asked 2020-Jul-20 at 07:01

I want to use frama-c as an analyzer to check if a C source code have undefined behavior. I find the code provide by C-Reduce at here. However, some of flags in this script I can not find it in the new version of frama-c.

The flags I can not find list as follows:

-stop-at-first-alarm
-precise-unions

I can find other in frama-c's changelog on github

But anyway, I can not find some flags, even a little bit description.

I am worried about the flag "-precise-unions", because it seems like to check the union. While "-stop-at-first-alarm" seems to save the time.

And I find a code here, that code doesn't using any of the flags that changed. But is it correct?

I really have no idea.

Thanks for your kindness.

...

ANSWER

Answered 2020-Jul-20 at 07:01

Option -stop-at-first-alarm has been replaced with the more general -eva-stop-at-nth-alarm 1. You can replace 1 with a higher number, if you wish. What it does is to stop the analysis after the nth alarm is emitted. If your goal is to have 0 alarms and to closely inspect each alarm, this option might save time. But, in general, it does not improve the efficiency of the analysis.

-precise-unions is a very old option which has been obsoleted in Frama-C Fluorine (2013). It is no longer needed. It does not affect the correctness of the analysis.

The Csmith driver script you mention is indeed using old options, but they do not affect the correctness. By default, without any options, Frama-C/Eva will warn about undefined behaviors in the code. If you want to be more strict than the C standard (e.g. forbid unsigned overflows), then you may need to add extra options, such as -warn-unsigned-overflow.

Source https://stackoverflow.com/questions/62966949

QUESTION

What is difference between found and required in following errors

Asked 2018-Apr-02 at 20:21

While working on Scala Kafka KeyValueMapper implementation I am getting following error. I am not sure what exactly is the difference. Thanks for your help.

Code:

I created a KTable from topic.
...

ANSWER

Answered 2018-Apr-02 at 20:21

The variable ipandTime was nowhere to find, so I've replaced it by a ???, but that doesn't have anything to do with the actual problem.

As I said, if type inference for Java use-site wildcards fails, then simply add explicit type arguments. This here compiles for Kafka 1.1.0:

Source https://stackoverflow.com/questions/49594920

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install creduce

You can download it from GitHub.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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