search for: klee

Hello everyone, I am a novice with KLEE under LLVM. I am trying to build a KLEE project (on a new LLVM environment) and I have the following problem: echo Testing... Testing... echo There should be no assertion fails! There should be no assertion fails! klee -taint=direct taint_direct.o KLEE: output directory = "klee-out-8" kl...

Hi, The klee library directory is determined at compile time and cannot be changed afterwards. Have a look at tools/klee/main.cpp to see how it is computed. I usually use Klee without any install step, right from the build directory. This has never given me the error you see. Hope this helps, Jonas On Wed...

Are there any "current" Linux distros that have installable packages for llvm, clang, nad klee? I am struggling to get klee built and need a working klee setup asap. Thanks in advance, Donald

Hi, I'm currently trying to find and fix memory leaks (compiling with ``-fsanitize=address``) in the KLEE tool [1] an having found some leaks and I'm having trouble suppressing them. I'm trying to suppress them using the ``-fsanitize-blacklist=blacklist.txt`` option as documented at [2]. I'm using Clang 3.7 ( Arch Linux package 3.7.0-6). The sort of reported leaks I see are ``` ==9912==E...

Hi all, I'm new to llvm and klee. Now I'm trying to build up coreutil with klee. Following the steps online (http://klee.llvm.org/TestingCoreutils.html), I went to step 3 and stuck. When I try to run: klee --libc=uclibc --posix-runtime ./cat.bc -version Error occurred like: klee: error: Cannot find linker input '/lib/li...

Hello, In my reading over the last couple of days, I have read that in order for klee to work with "native" Linux programs, I need to install the uClibc posix support for klee. I am not finding the uClibc source in the llvm svn repository anywhere. Is this still necessary for testing native Linux applications, and if so, where do I get the uClibc source to compile? Tha...

...aster's student at the ECE department of the University of Florida, USA.​​ For my research project, supervised by Prof. Mark Tehranipoor<http://tehranipoor.ece.ufl.edu/> and Prof. Farimah Farahmandi<http://farimah.ece.ufl.edu/>, I need to use Clang LLVM DataflowSanitizer library in KLEE. However, I have faced some difficulties (explained below) while interfacing this library with KLEE and I am seeking your help to solve it. For our research purpose, we are using LLVM compiler and LLVM DataFlowSanitizer library. We instrumented a C code using LLVM DataFlowSanitizer library (from d...

Hello, probably it is too late to be involved in GSoC, by I want discuss following idea: KLEE can generate tests only for main function level without any modifications of original code. It passes args specified by command line. I want implement automatic testcase generation for any imported function from tested code without its modification. First: parsing test code would collect input/out...

Hi, I am trying to evaluate how complex would be to modify KLEE ( http://klee.llvm.org/ ) so that it can run LLVM bitcode compiled from Java code obtained with vmjc (from the VMKIT project). Your feedback will be very appreciated. I am familiar with KLEE but I would like to know more about VMKIT, so please point me to the right docs/source code if app...

...b:5 What could be the reason? I tried with the latest Mocha Ruby gem, and I also tried it with the Rails plugin. The example: require ''rubygems'' require ''mocha'' some_time = Time.at(0) Time.expects(:now).returns(some_time) puts Time.now -- Felix E. Klee Jabber/Google Talk: feklee at jabber.org, SIP: 9779619 at sipgate.de ICQ: 158124695, Yahoo!: feklee, AIM: felix.klee at inka.de Gizmo: felixklee, Skype: felix.klee

Hi Andreas, Cloud9 is a project that has an extensive POSIX environment model which also lets you symbolically execute multithreaded programs. It is based on KLEE. http://dslab.epfl.ch/pubs/cloud9.pdf Portend builds on top of Cloud9 to perform race detection/classification: http://dslab.epfl.ch/pubs/portend.pdf Cloud9 code base is also public, it might be of interest to you: http://cloud9.epfl.ch/ Best, On Thu, Oct 25, 2012 at 3:49 PM, Andreas Wilhelm...

> Excuse me for the diversion but, is that interpreter of LLVM IR available > somewhere? Details on how it works, performance, etc? I'd be interested Yes it is available. The tool (KLEE [1]) is actually a lot more than an interpreter (although it can be used as one). KLEE allows you to mark certain variables (e.g. program inputs) as "symbolic". What this means is that the variable marked as symbolic is allowed to have any initially value and as program execution progress...

Hi, I'm using KLEE which supports only LLVM-2.9. In order to compile some c++ file which requires gcc 4.5, I built Dragonegg 2.9 with LLVM-2.9 and gcc 4.5.1 on a Linux x86_64 machine. It was sucessfully built. When I try to compile a c++ file using this plugin as below gcc test.cpp -fplugin=path/dragonegg.so I got...

...xt3 (ro,noatime,nodiratime,acl,user_xattr) The kernel is a standard SuSE 9.2 one: # uname -a Linux pserver 2.6.8-24.14-default #1 Tue Mar 29 09:27:43 UTC 2005 i686 athlon i386 GNU/Linux What could be the reason for the different sizes? They confuse our backup script. -- Dipl.-Phys. Felix E. Klee Email: fk at linuxburg.de (work), felix.klee at inka.de (home) Tel: +49 721 8307937, Fax: +49 721 8307936 Linuxburg, Goethestr. 15a, 76135 Karlsruhe, Germany

Hi I need a concolic execution framework based on LLVM. As far as I know, KLEE might be the best choice. However, KLEE(the stable version) is based on LLVM 3.4. I compiled my code with the latest LLVM, whose version is 7.0. Anyone know whether the bitcode could be used by KLEE. Or do I have to compile with the old version of LLVM again. Furthermore, if you have any other con...

...48u REG 8,1 11948032 357177 /tmp/ram0 (deleted) # df --sync -h / Filesystem Size Used Avail Use% Mounted on /dev/sda1 7.6G 7.0G 212M 98% / # du -shx --apparent-size / 3.9G . Any idea what may be the cause of the problem? -- Dipl.-Phys. Felix E. Klee Email: fk at linuxburg.de (work), felix.klee at inka.de (home) Tel: +49 721 8307937, Fax: +49 721 8307936 Linuxburg, Goethestr. 15A, 76135 Karlsruhe, Germany

Hi, We're currently upgrading KLEE to work with LLVM >=3.3 and we've hit a problem. It seems r172749 removed support for linking a bitcode archive into a module. KLEE unfortunately depends on this to link in its runtime ( which amongst other things provides a C library [5] ). A first attempt at linking in a bitcode archive...

Thanks for your reply. I'm attempting to expand KLEE to support this intrinsic function. That's why I need to handle this myself. According to the reply, the correct implementation should first find the definition of the object and then determine the size of the object. BTW, can I just refer to the implementation in InstCombineCalls.cpp. On Wed...

Is there a possibility of accepting a KLEE project as an LLVM GSoC project? -- Aleksander "Alistra" Balicki email: balicki.aleksander at gmail.com jabber: wszystkie.inne.byly.zajete at gmail.com

Thanks for your help, Wei-Ren and Anton. However since I am doing some experiments with klee( http://klee.llvm.org/GetStarted.html) and llvm-gcc seems to have better compatibility with it. So I still hope that I can use llvm-gcc:-) Hongxu Chen On Sat, Mar 16, 2013 at 3:35 PM, 陳韋任 (Wei-Ren Chen) [via LLVM] < ml-node+s1065342n56013h94 at n5.nabble.com> wrote: > Hi Chen, > >...