update to a more robust smtlib version

project/Build.scala

@@ -80,6 +80,6 @@ object Leon extends Build {
     def project(repo: String, version: String) = RootProject(uri(s"${repo}#${version}"))
 
     lazy val bonsai      = project("git://github.com/colder/bonsai.git",     "0fec9f97f4220fa94b1f3f305f2e8b76a3cd1539")
-    lazy val scalaSmtLib = project("git://github.com/regb/scala-smtlib.git", "cdaf4707ffad39924262b91d33b660ae8d3e6471")
+    lazy val scalaSmtLib = project("git://github.com/regb/scala-smtlib.git", "48cec57d0a62d206ac553cb1d4a67f50fdf7dbb1")
   }
 }

src/main/scala/leon/solvers/smtlib/SMTLIBTarget.scala

@@ -619,9 +619,9 @@ trait SMTLIBTarget {
   }
 
   override def check: Option[Boolean] = sendCommand(CheckSat()) match {
-    case CheckSatResponse(SatStatus)     => Some(true)
-    case CheckSatResponse(UnsatStatus)   => Some(false)
-    case CheckSatResponse(UnknownStatus) => None
+    case CheckSatStatus(SatStatus)     => Some(true)
+    case CheckSatStatus(UnsatStatus)   => Some(false)
+    case CheckSatStatus(UnknownStatus) => None
     case _                               => None
   }
 
@@ -633,7 +633,7 @@ trait SMTLIBTarget {
               )
 
 
-    val GetValueResponse(valuationPairs) = sendCommand(cmd)
+    val GetValueResponseSuccess(valuationPairs) = sendCommand(cmd)
 
     valuationPairs.collect {
       case (SimpleSymbol(sym), value) if variables.containsB(sym) =>

src/main/scala/leon/solvers/smtlib/SMTLIBZ3Target.scala

@@ -15,7 +15,7 @@ import TreeOps.simplestValue
 import _root_.smtlib.parser.Terms.{Identifier => SMTIdentifier, _}
 import _root_.smtlib.parser.Commands.{DefineSort, GetModel, DefineFun}
 import _root_.smtlib.interpreters.Z3Interpreter
-import _root_.smtlib.parser.CommandsResponses.GetModelResponse
+import _root_.smtlib.parser.CommandsResponses.GetModelResponseSuccess
 import _root_.smtlib.theories.Core.{Equals => SMTEquals, _}
 import _root_.smtlib.theories.ArraysEx
 
@@ -171,7 +171,7 @@ trait SMTLIBZ3Target extends SMTLIBTarget {
     val res = sendCommand(cmd)
 
     val smodel: Seq[SExpr] = res match {
-      case GetModelResponse(model) => model
+      case GetModelResponseSuccess(model) => model
       case _ => Nil
     }