uclid5 modeling and verification language
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emacs major mode that provides syntax highlighting for uclid
Latest commit 14abc3f Nov 2, 2018


uclid5 Tutorial/Publication

The tutorial has a gentle introduction to using uclid5.

If you use uclid5 in your own research, it is suggested that you cite the following MEMOCODE 2018 paper.

Sanjit A. Seshia and Pramod Subramanyan. UCLID5: Integrating Modeling, Verification, Synthesis and Learning. [PDF]
Proceedings of the 16th ACM-IEEE International Conference on Formal Methods and Models for System Design. (MEMOCODE 2018). Beijing, China. October 2018.



You will need the Z3 SMT solver to be installed on your system. If you are building Z3 from source, make sure the Z3/Java interface is enabled in your build (typically by passing --java to the mk_make.py script).

uclid5 requires that the Z3 dynamic link library (libz3.so on Unix-like platforms) as well as the dynamic link library for the Z3/Java API (libz3java.so on Unix-like platforms) be in your dynamic library path ($LD_LIBRARY_PATH on Unix-like platforms; just PATH on Windows).

Download Pre-Built Binaries

Download the latest stable pre-built package from releases tab.

Install From Source

Or, you could clone this repository and build from source. If you run into problems here, don't forget you can always fall back on the pre-built binaries linked above.

Compiling uclid5

Ensure you have Z3 and sbt v1.0 or greater installed. Install instructions for sbt are available at http://www.scala-sbt.org/1.0/docs/Setup.html.

If all goes well, running update, clean, compile and test in sbt from the uclid5 directory should do the trick. The command to do all this is:

$ sbt update clean compile test

If compilation and tests pass, you can build a universal package.

$ sbt universal:packageBin

This will create uclid/target/universal/uclid-0.8.zip, which contains the uclid binary in the bin/ subdirectory. Unzip this file, and add it to your path.

Installing uclid5

$ unzip uclid-0.9.5.zip
$ cd uclid-0.9.5
$ export PATH=$PATH:$PWD/bin

Now you can run uclid using the 'uclid' command. For example:

$ uclid examples/tutorial/ex1.1-fib-model.ucl

Directory Structure

This repository consists of the following sub-directories.

  • examples : This contains example uclid5 models. See examples/tutorial for the examples from the tutorial.
  • lib: Libraries on which uclid5 depends (Z3).
  • project: Build scripts.
  • src/main/scala: uclid5 source.
  • src/test/scala: uclid5 test suite.
  • test: test programs for uclid5.
  • tutorial: uclid5 tutorial (with LaTeX source)
  • vim: vim syntax highlighting for uclid5.