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FuseIC3

An algorithm for checking large design spaces

FuseIC3 is a SAT-based algorithm for checking a set of models. It extends IC3 to minimize time spent in exploring the common state space between related models.

Rohit Dureja and Kristin Yvonne Rozier. “FuseIC3: An Algorithm for Checking Large Design Spaces.” In Formal Methods in Computer-Aided Design (FMCAD 2017), IEEE/ACM, Vienna, Austria, October 2-6, 2017.

For more details about FuseIC3, please visit: http://temporallogic.org/research/FMCAD17

Building FuseIC3

  • System Requirements
    • MathSAT5 (mathsat.fbk.eu)
    • C++11
    • libgmp, libgmpxx

CMake is the default build tool. To install FuseIC3, download the unzip the repository. Run the following commands to build and install FuseIC3.

cd FuseIC3-master
mkdir build
cd build
cmake ..
make

Using FuseIC3

Usage:  ./FuseIC3 [options] folder

 Algorithm options
   -p           priority-queue proof obligation management (default: false)
                if not enabled, a stack-based approach is used
   -f number    enable model-set mode; set algorithm number between [1...4] (default: disabled)
   folder       path of folder containing .vmt files to check (required)

 Miscellaneous
   -v level     set verbosity level (default: 0)
   -w           print witness (default: false)
   -s seed      seed value for random number generator
   -h, --help   display this message


 Available model-set checking algorithms
 (supplied as argument with -f options)
  -----------------------------------------------------------------
  | Number | Algorithm                                            |
  -----------------------------------------------------------------
  |   1    | Incremental IC3 (FMCAD 2011)                         |
  |   2    | Basic Check (re-use and check last invariant)        |
  |   3    | Basic Check + Drop Violating Clauses                 |
  |   4    | Basic Check + Repair Violating Clauses               |
  -----------------------------------------------------------------

 Example usage scenarios
 ./FuseIC3 folder             runs simple IC3 algorithm on files in folder
 ./FuseIC3 -p folder          runs simple IC3 algorithm using priority queues on files in folder
 ./FuseIC3 -f 3 folder        runs model-sets checking algorithm number 3 on files in folder
 ./FuseIC3 -p -f 2 folder     runs model-sets checking algorithm number 2 using priority queues on files in folder