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KLEE is a symbolic virtual machine built on top of the LLVM compiler
infrastructure.
Currently, there are two primary components:
* The core symbolic virtual machine engine; this is responsible for executing
LLVM bitcode modules with support for symbolic values. This is comprised of
the code in lib/.
* A POSIX/Linux emulation layer oriented towards supporting uClibc, with
additional support for making parts of the operating system environment
symbolic.
Additionally, there is a simple library for replaying computed inputs on native
code (for closed programs). There is also a more complicated infrastructure for
replaying the inputs generated for the POSIX/Linux emulation layer, which
handles running native programs in an environment that matches a computed test
input, including setting up files, pipes, environment variables, and passing
command line arguments.
WWW: https://klee.github.io/
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