gapt.provers.smtlib.Z3.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._
import gapt.provers.IncrementalProver
import gapt.utils.{ExternalProgram, runProcess}
import cats.implicits._
import gapt.provers.Session.Runners._

object Z3 extends Z3("QF_UF")
class Z3(val logic: String) extends IncrementalProver with ExternalProgram {

  override def runSession[A](program: Session[A]) = {
    val runner = new ExternalSMTLibSessionRunner("z3", "-smt2", "-in")
    val result = runner.run(setLogic(logic) *> program)
    runner.process.destroy()

    result
  }

  override val isInstalled: Boolean =
    try {
      runProcess(Seq("z3", "-version"))
      true
    } catch {
      case _: IOException => false
    }
}