Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression-3.4.csproj
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression-3.4.csproj	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression-3.4.csproj	(revision 16559)
@@ -107,6 +107,6 @@
       <HintPath>..\..\packages\Google.Protobuf.3.6.1\lib\net45\Google.Protobuf.dll</HintPath>
     </Reference>
-    <Reference Include="HEAL.Fossil, Version=1.0.2.0, Culture=neutral, PublicKeyToken=ba48961d6f65dcec, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\HEAL.Fossil.1.0.2-pre-03\lib\netstandard2.0\HEAL.Fossil.dll</HintPath>
+    <Reference Include="HEAL.Attic, Version=1.0.0.0, Culture=neutral, PublicKeyToken=ba48961d6f65dcec, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\HEAL.Attic.1.0.0-pre01\lib\netstandard2.0\HEAL.Attic.dll</HintPath>
     </Reference>
     <Reference Include="System" />
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/Interfaces/ISymbolicRegressionEvaluator.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/Interfaces/ISymbolicRegressionEvaluator.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/Interfaces/ISymbolicRegressionEvaluator.cs	(revision 16559)
@@ -1,3 +1,3 @@
-﻿using HEAL.Fossil;
+﻿using HEAL.Attic;
 #region License Information
 /* HeuristicLab
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/Interfaces/ISymbolicRegressionModel.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/Interfaces/ISymbolicRegressionModel.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/Interfaces/ISymbolicRegressionModel.cs	(revision 16559)
@@ -1,3 +1,3 @@
-﻿using HEAL.Fossil;
+﻿using HEAL.Attic;
 #region License Information
 /* HeuristicLab
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/Interfaces/ISymbolicRegressionMultiObjectiveEvaluator.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/Interfaces/ISymbolicRegressionMultiObjectiveEvaluator.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/Interfaces/ISymbolicRegressionMultiObjectiveEvaluator.cs	(revision 16559)
@@ -1,3 +1,3 @@
-﻿using HEAL.Fossil;
+﻿using HEAL.Attic;
 #region License Information
 /* HeuristicLab
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/Interfaces/ISymbolicRegressionSingleObjectiveEvaluator.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/Interfaces/ISymbolicRegressionSingleObjectiveEvaluator.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/Interfaces/ISymbolicRegressionSingleObjectiveEvaluator.cs	(revision 16559)
@@ -1,3 +1,3 @@
-﻿using HEAL.Fossil;
+﻿using HEAL.Attic;
 #region License Information
 /* HeuristicLab
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/Interfaces/ISymbolicRegressionSolution.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/Interfaces/ISymbolicRegressionSolution.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/Interfaces/ISymbolicRegressionSolution.cs	(revision 16559)
@@ -1,3 +1,3 @@
-﻿using HEAL.Fossil;
+﻿using HEAL.Attic;
 #region License Information
 /* HeuristicLab
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/PearsonRSquaredAverageSimilarityEvaluator.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/PearsonRSquaredAverageSimilarityEvaluator.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/PearsonRSquaredAverageSimilarityEvaluator.cs	(revision 16559)
@@ -29,5 +29,5 @@
 using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
 using HeuristicLab.Parameters;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/PearsonRSquaredNestedTreeSizeEvaluator.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/PearsonRSquaredNestedTreeSizeEvaluator.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/PearsonRSquaredNestedTreeSizeEvaluator.cs	(revision 16559)
@@ -27,5 +27,5 @@
 using HeuristicLab.Data;
 using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/PearsonRSquaredNumberOfVariablesEvaluator.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/PearsonRSquaredNumberOfVariablesEvaluator.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/PearsonRSquaredNumberOfVariablesEvaluator.cs	(revision 16559)
@@ -27,5 +27,5 @@
 using HeuristicLab.Data;
 using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/PearsonRSquaredTreeComplexityEvaluator.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/PearsonRSquaredTreeComplexityEvaluator.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/PearsonRSquaredTreeComplexityEvaluator.cs	(revision 16559)
@@ -26,5 +26,5 @@
 using HeuristicLab.Data;
 using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/SymbolicRegressionMultiObjectiveEvaluator.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/SymbolicRegressionMultiObjectiveEvaluator.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/SymbolicRegressionMultiObjectiveEvaluator.cs	(revision 16559)
@@ -25,5 +25,5 @@
 using HeuristicLab.Data;
 using HeuristicLab.Parameters;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/SymbolicRegressionMultiObjectiveMeanSquaredErrorTreeSizeEvaluator.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/SymbolicRegressionMultiObjectiveMeanSquaredErrorTreeSizeEvaluator.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/SymbolicRegressionMultiObjectiveMeanSquaredErrorTreeSizeEvaluator.cs	(revision 16559)
@@ -26,5 +26,5 @@
 using HeuristicLab.Data;
 using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/SymbolicRegressionMultiObjectivePearsonRSquaredTreeSizeEvaluator.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/SymbolicRegressionMultiObjectivePearsonRSquaredTreeSizeEvaluator.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/SymbolicRegressionMultiObjectivePearsonRSquaredTreeSizeEvaluator.cs	(revision 16559)
@@ -26,5 +26,5 @@
 using HeuristicLab.Data;
 using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/SymbolicRegressionMultiObjectiveProblem.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/SymbolicRegressionMultiObjectiveProblem.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/SymbolicRegressionMultiObjectiveProblem.cs	(revision 16559)
@@ -26,5 +26,5 @@
 using HeuristicLab.Optimization;
 using HeuristicLab.Parameters;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/SymbolicRegressionMultiObjectiveTrainingBestSolutionAnalyzer.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/SymbolicRegressionMultiObjectiveTrainingBestSolutionAnalyzer.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/SymbolicRegressionMultiObjectiveTrainingBestSolutionAnalyzer.cs	(revision 16559)
@@ -29,5 +29,5 @@
 using HeuristicLab.Optimization;
 using HeuristicLab.Parameters;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/SymbolicRegressionMultiObjectiveValidationBestSolutionAnalyzer.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/SymbolicRegressionMultiObjectiveValidationBestSolutionAnalyzer.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/MultiObjective/SymbolicRegressionMultiObjectiveValidationBestSolutionAnalyzer.cs	(revision 16559)
@@ -24,5 +24,5 @@
 using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
 using HeuristicLab.Parameters;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/ConstantOptimizationAnalyzer.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/ConstantOptimizationAnalyzer.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/ConstantOptimizationAnalyzer.cs	(revision 16559)
@@ -28,5 +28,5 @@
 using HeuristicLab.Optimization;
 using HeuristicLab.Parameters;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionConstantOptimizationEvaluator.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionConstantOptimizationEvaluator.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionConstantOptimizationEvaluator.cs	(revision 16559)
@@ -29,5 +29,5 @@
 using HeuristicLab.Optimization;
 using HeuristicLab.Parameters;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionLogResidualEvaluator.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionLogResidualEvaluator.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionLogResidualEvaluator.cs	(revision 16559)
@@ -27,5 +27,5 @@
 using HeuristicLab.Data;
 using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionMeanRelativeErrorEvaluator.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionMeanRelativeErrorEvaluator.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionMeanRelativeErrorEvaluator.cs	(revision 16559)
@@ -27,5 +27,5 @@
 using HeuristicLab.Data;
 using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionSingleObjectiveEvaluator.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionSingleObjectiveEvaluator.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionSingleObjectiveEvaluator.cs	(revision 16559)
@@ -21,5 +21,5 @@
 
 using HeuristicLab.Common;
-using HEAL.Fossil;
+using HEAL.Attic;
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
   [StorableType("7EB90F03-4385-474F-BDE7-3B133E8FEAAB")]
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionSingleObjectiveMaxAbsoluteErrorEvaluator.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionSingleObjectiveMaxAbsoluteErrorEvaluator.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionSingleObjectiveMaxAbsoluteErrorEvaluator.cs	(revision 16559)
@@ -25,5 +25,5 @@
 using HeuristicLab.Data;
 using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionSingleObjectiveMeanAbsoluteErrorEvaluator.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionSingleObjectiveMeanAbsoluteErrorEvaluator.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionSingleObjectiveMeanAbsoluteErrorEvaluator.cs	(revision 16559)
@@ -25,5 +25,5 @@
 using HeuristicLab.Data;
 using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionSingleObjectiveMeanSquaredErrorEvaluator.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionSingleObjectiveMeanSquaredErrorEvaluator.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionSingleObjectiveMeanSquaredErrorEvaluator.cs	(revision 16559)
@@ -25,5 +25,5 @@
 using HeuristicLab.Data;
 using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionSingleObjectivePearsonRSquaredEvaluator.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionSingleObjectivePearsonRSquaredEvaluator.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionSingleObjectivePearsonRSquaredEvaluator.cs	(revision 16559)
@@ -25,5 +25,5 @@
 using HeuristicLab.Data;
 using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/SymbolicRegressionSingleObjectiveOverfittingAnalyzer.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/SymbolicRegressionSingleObjectiveOverfittingAnalyzer.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/SymbolicRegressionSingleObjectiveOverfittingAnalyzer.cs	(revision 16559)
@@ -28,5 +28,5 @@
 using HeuristicLab.Optimization;
 using HeuristicLab.Parameters;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/SymbolicRegressionSingleObjectiveProblem.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/SymbolicRegressionSingleObjectiveProblem.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/SymbolicRegressionSingleObjectiveProblem.cs	(revision 16559)
@@ -25,5 +25,5 @@
 using HeuristicLab.Optimization;
 using HeuristicLab.Parameters;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/SymbolicRegressionSingleObjectiveTrainingBestSolutionAnalyzer.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/SymbolicRegressionSingleObjectiveTrainingBestSolutionAnalyzer.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/SymbolicRegressionSingleObjectiveTrainingBestSolutionAnalyzer.cs	(revision 16559)
@@ -24,5 +24,5 @@
 using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
 using HeuristicLab.Parameters;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/SymbolicRegressionSingleObjectiveTrainingParetoBestSolutionAnalyzer.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/SymbolicRegressionSingleObjectiveTrainingParetoBestSolutionAnalyzer.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/SymbolicRegressionSingleObjectiveTrainingParetoBestSolutionAnalyzer.cs	(revision 16559)
@@ -23,5 +23,5 @@
 using HeuristicLab.Core;
 using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/SymbolicRegressionSingleObjectiveValidationBestSolutionAnalyzer.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/SymbolicRegressionSingleObjectiveValidationBestSolutionAnalyzer.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/SymbolicRegressionSingleObjectiveValidationBestSolutionAnalyzer.cs	(revision 16559)
@@ -24,5 +24,5 @@
 using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
 using HeuristicLab.Parameters;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/SymbolicRegressionSingleObjectiveValidationParetoBestSolutionAnalyzer.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/SymbolicRegressionSingleObjectiveValidationParetoBestSolutionAnalyzer.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/SymbolicRegressionSingleObjectiveValidationParetoBestSolutionAnalyzer.cs	(revision 16559)
@@ -23,5 +23,5 @@
 using HeuristicLab.Core;
 using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/SymbolicRegressionSolutionsAnalyzer.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/SymbolicRegressionSolutionsAnalyzer.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/SymbolicRegressionSolutionsAnalyzer.cs	(revision 16559)
@@ -30,5 +30,5 @@
 using HeuristicLab.Optimization;
 using HeuristicLab.Parameters;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionModel.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionModel.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionModel.cs	(revision 16559)
@@ -25,5 +25,5 @@
 using HeuristicLab.Core;
 using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionPhenotypicDiversityAnalyzer.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionPhenotypicDiversityAnalyzer.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionPhenotypicDiversityAnalyzer.cs	(revision 16559)
@@ -29,5 +29,5 @@
 using HeuristicLab.Optimization;
 using HeuristicLab.Parameters;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionPruningAnalyzer.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionPruningAnalyzer.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionPruningAnalyzer.cs	(revision 16559)
@@ -26,5 +26,5 @@
 using HeuristicLab.Data;
 using HeuristicLab.Parameters;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionPruningOperator.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionPruningOperator.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionPruningOperator.cs	(revision 16559)
@@ -28,5 +28,5 @@
 using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
 using HeuristicLab.Parameters;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionSolution.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionSolution.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionSolution.cs	(revision 16559)
@@ -26,5 +26,5 @@
 using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
 using HeuristicLab.Optimization;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionSolutionImpactValuesCalculator.cs
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionSolutionImpactValuesCalculator.cs	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionSolutionImpactValuesCalculator.cs	(revision 16559)
@@ -23,5 +23,5 @@
 using HeuristicLab.Common;
 using HeuristicLab.Core;
-using HEAL.Fossil;
+using HEAL.Attic;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
Index: branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/packages.config
===================================================================
--- branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/packages.config	(revision 16558)
+++ branches/2520_PersistenceReintegration/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/packages.config	(revision 16559)
@@ -2,5 +2,5 @@
 <packages>
   <package id="Google.Protobuf" version="3.6.1" targetFramework="net461" />
-  <package id="HEAL.Fossil" version="1.0.2-pre-03" targetFramework="net461" />
+  <package id="HEAL.Attic" version="1.0.0-pre01" targetFramework="net461" />
   <package id="System.Drawing.Common" version="4.5.1" targetFramework="net461" />
 </packages>
