    -----------------------------------------------------------------------------
    -- |
    -- Module      :  Data.SBV.Provers.CVC4
    -- Copyright   :  (c) Levent Erkok
    -- License     :  BSD3
    -- Maintainer  :  erkokl@gmail.com
    -- Stability   :  experimental
    --
    -- The connection to the CVC4 SMT solver
    -----------------------------------------------------------------------------

    {-# LANGUAGE ScopedTypeVariables #-}

    module Data.SBV.Provers.CVC4(cvc4) where

    import Data.SBV.Core.Data
    import Data.SBV.SMT.SMT

    -- | The description of the CVC4 SMT solver
    -- The default executable is @\"cvc4\"@, which must be in your path. You can use the @SBV_CVC4@ environment variable to point to the executable on your system.
    -- The default options are @\"--lang smt\"@. You can use the @SBV_CVC4_OPTIONS@ environment variable to override the options.
    cvc4 :: SMTSolver
    cvc4 = SMTSolver {
               name         = CVC4
             , executable   = "cvc4"
             , options      = const ["--lang", "smt", "--incremental", "--interactive", "--no-interactive-prompt"]
             , engine       = standardEngine "SBV_CVC4" "SBV_CVC4_OPTIONS"
             , capabilities = SolverCapabilities {
                                    supportsQuantifiers        = True
                                  , supportsUninterpretedSorts = True
                                  , supportsUnboundedInts      = True
                                  , supportsReals              = True  -- Not quite the same capability as Z3; but works more or less..
                                  , supportsApproxReals        = False
                                  , supportsIEEE754            = False
                                  , supportsOptimization       = False
                                  , supportsPseudoBooleans     = False
                                  , supportsCustomQueries      = True
                                  , supportsGlobalDecls        = True
                                  , supportsFlattenedSequences = Nothing
                                  }
             }