gapt.provers.smtlib.CVC4.scala Maven / Gradle / Ivy

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General Architecture for Proof Theory

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package gapt.provers.smtlib

import java.io.IOException

import gapt.provers.Session.Runners.ExternalSMTLibSessionRunner
import gapt.provers.IncrementalProver
import gapt.provers.Session._
import gapt.utils.{ExternalProgram, runProcess}
import cats.implicits._

object CVC4 extends CVC4("QF_UF", Seq(), treatUnknownAsSat = false)
class CVC4(val logic: String, val extraArgs: Seq[String] = Seq(), override val treatUnknownAsSat: Boolean = false) extends IncrementalProver with ExternalProgram {

  override val isInstalled: Boolean =
    try {
      runProcess(Seq("cvc4", "--version"))
      true
    } catch {
      case _: IOException => false
    }

  override def runSession[A](program: Session[A]) = {
    val runner = new ExternalSMTLibSessionRunner(Seq("cvc4", "--lang", "smt", "--incremental") ++ extraArgs: _*)
    val result = runner.run(setLogic(logic) *> program)
    runner.process.destroy()

    result
  }
}