managed to generate a function body of a function model

src/main/scala/leon/FairZ3Solver.scala

@@ -581,7 +581,6 @@ class FairZ3Solver(reporter: Reporter) extends Solver(reporter) with AbstractZ3S
           }
         }
         case (Some(true), m) => { // SAT
-          //println("MODEL IS: " + m)
           validatingStopwatch.start
           val (trueModel, model) = if(Settings.verifyModel)
               validateAndDeleteModel(m, toCheckAgainstModels, varsInVC, evaluator)
@@ -781,6 +780,18 @@ class FairZ3Solver(reporter: Reporter) extends Solver(reporter) with AbstractZ3S
   private def validateAndDeleteModel(model: Z3Model, formula: Expr, variables: Set[Identifier], evaluator: Option[(Map[Identifier,Expr])=>Boolean]) : (Boolean, Map[Identifier,Expr]) = {
     import Evaluator._
 
+    val functionsModel: Map[Z3FuncDecl, (Seq[(Seq[Z3AST], Z3AST)], Z3AST)] = model.getModelFuncInterpretations.map(i => (i._1, (i._2, i._3))).toMap
+    println(functionsModel.toList.map(p => p._1 + " -> " + {
+      val (cses, default) = p._2 
+      val ite = cses.foldLeft(fromZ3Formula(model, default))((expr, q) => IfExpr(
+                      And(
+                        q._1.zip(functionDeclToDef(p._1).args).map(a12 => Equals(fromZ3Formula(model, a12._1), Variable(a12._2.id)))
+                      ),
+                      fromZ3Formula(model, q._2),
+                      expr))
+      ite.toString
+    }).mkString("\n"))
+
     if(!forceStop) {
       val asMap = modelToMap(model, variables)
       model.delete