diff --git a/org.fortiss.tooling.ext.variability/src/org/fortiss/tooling/ext/variability/analysis/.ratings b/org.fortiss.tooling.ext.variability/src/org/fortiss/tooling/ext/variability/analysis/.ratings
index 01d423cf551df4904b00bb5069c1b14bdbd7fe2a..38949ab252e9aeae2fb1c0431d0d295e67049b42 100644
--- a/org.fortiss.tooling.ext.variability/src/org/fortiss/tooling/ext/variability/analysis/.ratings
+++ b/org.fortiss.tooling.ext.variability/src/org/fortiss/tooling/ext/variability/analysis/.ratings
@@ -1,4 +1,4 @@
-OptimizedProductLineAnalysisBase.java 94cb2d0d254f3e50f21ca039b6784e1a26c4d91c YELLOW
-OptimizedProductLineTranslation.java ad12974d9e19fc88e3240d6a4c2306004d0a3b39 YELLOW
+OptimizedProductLineAnalysisBase.java 35a40c860cc8a9774a894600935c1ae89a5681a0 GREEN
+OptimizedProductLineTranslation.java 415361dd35a04db219b06a1e40079452d7079b34 GREEN
 ProductLineAnalysisBase.java 891235573a2102279256585f8dc31934240b8dc1 GREEN
 ProductLineTranslationBase.java f24fb9343003c025bc4d2292d15bca543a548749 GREEN
diff --git a/org.fortiss.tooling.ext.variability/src/org/fortiss/tooling/ext/variability/analysis/OptimizedProductLineAnalysisBase.java b/org.fortiss.tooling.ext.variability/src/org/fortiss/tooling/ext/variability/analysis/OptimizedProductLineAnalysisBase.java
index 94cb2d0d254f3e50f21ca039b6784e1a26c4d91c..35a40c860cc8a9774a894600935c1ae89a5681a0 100644
--- a/org.fortiss.tooling.ext.variability/src/org/fortiss/tooling/ext/variability/analysis/OptimizedProductLineAnalysisBase.java
+++ b/org.fortiss.tooling.ext.variability/src/org/fortiss/tooling/ext/variability/analysis/OptimizedProductLineAnalysisBase.java
@@ -25,9 +25,7 @@ import org.fortiss.variability.analysis.GenericProductLineAnalysis;
  */
 public abstract class OptimizedProductLineAnalysisBase extends GenericProductLineAnalysis {
 
-	/**
-	 * Constructor.
-	 */
+	/** Constructor. */
 	public OptimizedProductLineAnalysisBase(EObject model) {
 		super(model, new OptimizedProductLineTranslation());
 	}
diff --git a/org.fortiss.tooling.ext.variability/src/org/fortiss/tooling/ext/variability/analysis/OptimizedProductLineTranslation.java b/org.fortiss.tooling.ext.variability/src/org/fortiss/tooling/ext/variability/analysis/OptimizedProductLineTranslation.java
index ad12974d9e19fc88e3240d6a4c2306004d0a3b39..415361dd35a04db219b06a1e40079452d7079b34 100644
--- a/org.fortiss.tooling.ext.variability/src/org/fortiss/tooling/ext/variability/analysis/OptimizedProductLineTranslation.java
+++ b/org.fortiss.tooling.ext.variability/src/org/fortiss/tooling/ext/variability/analysis/OptimizedProductLineTranslation.java
@@ -74,7 +74,7 @@ public class OptimizedProductLineTranslation extends EMFProductLineTranslation {
 
 		collectPresenceCondition(eo, pc);
 
-		// Also collect depending elements for the tooling kernel implementation
+		// Also collect depending elements for the tooling kernel implementation.
 		List<EObject> dependingElements =
 				IDependingElementProviderService.getInstance().getDependingElements(eo);
 		for(EObject depObj : dependingElements) {
diff --git a/org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/internal/.ratings b/org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/internal/.ratings
index df49d334d8622b310228d186946c4238746112ae..3815c093e3f6488a99988164bc14ee3bea072cbf 100644
--- a/org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/internal/.ratings
+++ b/org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/internal/.ratings
@@ -1,6 +1,6 @@
 ActionService.java e29126b5947c9fd2f1d82bb87001b9d0ead50c3b GREEN
 ContextMenuService.java 752ecb95721c4ff31583095bdb06b71ef28c4dcf GREEN
-MarkerService.java 92c9e7410a39040554473bd59d7b75a76ad47f97 YELLOW
+MarkerService.java 5cc84f9c1e9811100fad92c0abfa934613173c06 GREEN
 ModelEditorBindingService.java f304addb514cd2de443997e0b52cef7a3a9897bf GREEN
 ModelElementHandlerService.java 34adeef844bf98c69f1b9a7252f34d0a2b741b54 GREEN
 NavigatorService.java 1d773dde3791ddf7051616fe249558e7e307757d GREEN
diff --git a/org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/internal/MarkerService.java b/org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/internal/MarkerService.java
index 92c9e7410a39040554473bd59d7b75a76ad47f97..5cc84f9c1e9811100fad92c0abfa934613173c06 100644
--- a/org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/internal/MarkerService.java
+++ b/org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/internal/MarkerService.java
@@ -182,7 +182,7 @@ public class MarkerService implements IMarkerService, IPersistencyServiceListene
 		List<IConstraintViolation<? extends EObject>> checkResult =
 				ccs.performAllConstraintChecksRecursively(rootModelElement);
 
-		ccs.performAllAsynchronousConstrintChecksRecursively(rootModelElement, violations -> {
+		ccs.performAllAsynchronousConstraintChecksRecursively(rootModelElement, violations -> {
 			synchronized(violationCache) {
 				CacheEntry entry = getCacheEntry(element);
 				entry.addNewViolations(violations);
diff --git a/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/internal/.ratings b/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/internal/.ratings
index 623258c68d8dadea4a54f2b4840e690c5514cc2d..57cbc6d69e555b5b11839130f4a4fa4986dff14c 100644
--- a/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/internal/.ratings
+++ b/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/internal/.ratings
@@ -1,7 +1,7 @@
 CommandLineInterfaceService.java 6b5c94c52702f773c60b181eff52204ab379b248 GREEN
 CommandStackService.java 957bda69b5feb91f002aed4d25ed334e92801e7e GREEN
 ConnectionCompositorService.java 5a52f8a3e88c167ae6909c3d9eb3fb4706177e8b GREEN
-ConstraintCheckerService.java 1aa6cc382b7fa764ae3fcda9fb4c19bdf5f74806 YELLOW
+ConstraintCheckerService.java 590cd592008139586f98911ecb675449a5b3c8e1 GREEN
 DummyTopLevelElement.java 21807bbdafec2e0ef28f0ee9090218f90bd73aee GREEN
 ElementCompositorService.java b1924b5b349118a70149cfac5b48544897d26e9e GREEN
 LoggingService.java da784259f7b456b54bf75c41ec268f64919ce78d GREEN
diff --git a/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/internal/ConstraintCheckerService.java b/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/internal/ConstraintCheckerService.java
index 1aa6cc382b7fa764ae3fcda9fb4c19bdf5f74806..590cd592008139586f98911ecb675449a5b3c8e1 100644
--- a/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/internal/ConstraintCheckerService.java
+++ b/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/internal/ConstraintCheckerService.java
@@ -60,6 +60,7 @@ public class ConstraintCheckerService extends EObjectAwareServiceBase<IConstrain
 	Map<Class<?>, List<IConstraintChecker<EObject>>> asynchronousConstraintCheckers =
 			new HashMap<Class<?>, List<IConstraintChecker<EObject>>>();
 
+	/** Maps all constraint checkers to their identifier. */
 	Map<IConstraintChecker<? extends EObject>, String> asynchronousCheckIdentifiers =
 			new HashMap<IConstraintChecker<? extends EObject>, String>();
 
@@ -178,18 +179,18 @@ public class ConstraintCheckerService extends EObjectAwareServiceBase<IConstrain
 
 	/** {@inheritDoc} */
 	@Override
-	public void performAllAsynchronousConstrintChecksRecursively(EObject modelElement,
+	public void performAllAsynchronousConstraintChecksRecursively(EObject modelElement,
 			Consumer<List<IConstraintViolation<? extends EObject>>> addMarkers) {
-		performAllAsynchronousConstrintChecks(modelElement, addMarkers);
+		performAllAsynchronousConstraintChecks(modelElement, addMarkers);
 
 		for(Iterator<EObject> iter = modelElement.eAllContents(); iter.hasNext();) {
-			performAllAsynchronousConstrintChecks(iter.next(), addMarkers);
+			performAllAsynchronousConstraintChecks(iter.next(), addMarkers);
 		}
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	public void performAllAsynchronousConstrintChecks(EObject modelElement,
+	public void performAllAsynchronousConstraintChecks(EObject modelElement,
 			Consumer<List<IConstraintViolation<? extends EObject>>> addMarkers) {
 		List<IConstraintChecker<EObject>> asyncHandlers =
 				performNearestClassLookup(modelElement.getClass(), asynchronousConstraintCheckers);
diff --git a/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/service/.ratings b/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/service/.ratings
index c26ca85d37b3518545f3091f6904eed2352ed875..d17caaf3af946ec53a99cd5e8b525a515c88c3ca 100644
--- a/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/service/.ratings
+++ b/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/service/.ratings
@@ -1,7 +1,7 @@
 ICommandLineInterfaceService.java c3e3ba08b2a1b8125b43abd1c29b7dc0a0be2b80 GREEN
 ICommandStackService.java 678dcd1a6ab435ed0870fa2a9ec48ce47f25a187 GREEN
 IConnectionCompositorService.java 0cdf4568b2cd3e95ea195df90a84699eff36442b GREEN
-IConstraintCheckerService.java 09046a5c27dfe08fd40f0a6587e3c561edb2127e YELLOW
+IConstraintCheckerService.java 7fdce90a3b6df1ebba709f8382a1c37d0cffb2e3 GREEN
 IEclipseResourceStorageService.java b1155ca15cd9474d4d533d6cb2725e8a22040ec9 GREEN
 IElementCompositorService.java acd462ec15f3bcc247b544b46ceebee971fe1408 GREEN
 IKernelIntrospectionSystemService.java 7005c3acb4c6f978729d93279c595765e94e38eb GREEN
diff --git a/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/service/IConstraintCheckerService.java b/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/service/IConstraintCheckerService.java
index 09046a5c27dfe08fd40f0a6587e3c561edb2127e..7fdce90a3b6df1ebba709f8382a1c37d0cffb2e3 100644
--- a/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/service/IConstraintCheckerService.java
+++ b/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/service/IConstraintCheckerService.java
@@ -49,7 +49,8 @@ public interface IConstraintCheckerService {
 			performAllConstraintChecksRecursively(EObject modelElement);
 
 	/**
-	 * Performs all registered asynchronous constraint checks for the given modelElement and all its
+	 * Performs all registered asynchronous constraint checks for the given {@link EObject} and all
+	 * its
 	 * contained child elements.
 	 * 
 	 * @param modelElement
@@ -58,11 +59,11 @@ public interface IConstraintCheckerService {
 	 *            A {@link Consumer} to receive all constraint violations from the asynchronous
 	 *            checks.
 	 */
-	void performAllAsynchronousConstrintChecksRecursively(EObject modelElement,
+	void performAllAsynchronousConstraintChecksRecursively(EObject modelElement,
 			Consumer<List<IConstraintViolation<? extends EObject>>> addMarkers);
 
 	/**
-	 * Performs all registered asynchronous constraint checks for the given modelElement.
+	 * Performs all registered asynchronous constraint checks for the given {@link EObject}.
 	 * 
 	 * @param modelElement
 	 *            The {@link EObject} for which all checks shall be performed.
@@ -70,7 +71,7 @@ public interface IConstraintCheckerService {
 	 *            A {@link Consumer} to receive all constraint violations from the asynchronous
 	 *            checks.
 	 */
-	void performAllAsynchronousConstrintChecks(EObject modelElement,
+	void performAllAsynchronousConstraintChecks(EObject modelElement,
 			Consumer<List<IConstraintViolation<? extends EObject>>> addMarkers);
 
 	/**
diff --git a/org.fortiss.variability/model/.ratings b/org.fortiss.variability/model/.ratings
index 33ec659f9a8173123e2e20894772c28545f170db..d8e8f03ac85015ed3bbd689ca5cda3aff0926ace 100644
--- a/org.fortiss.variability/model/.ratings
+++ b/org.fortiss.variability/model/.ratings
@@ -1 +1 @@
-variability.ecore 46e8f19e62bf23c1897ad71d15ed830f01cd1ce9 YELLOW
+variability.ecore 46e8f19e62bf23c1897ad71d15ed830f01cd1ce9 GREEN
diff --git a/org.fortiss.variability/src/org/fortiss/variability/analysis/.ratings b/org.fortiss.variability/src/org/fortiss/variability/analysis/.ratings
index 6994b88d1978367f19c83dad7809343be076004b..9e8929579154db7547cd52c2e379d025df6559ca 100644
--- a/org.fortiss.variability/src/org/fortiss/variability/analysis/.ratings
+++ b/org.fortiss.variability/src/org/fortiss/variability/analysis/.ratings
@@ -1,9 +1,9 @@
-BucketSetMap.java 665a28c80a9693b9b9e31b7ebe59f2de4195d56c YELLOW
-DualKeyMap.java 75fbe85a54e5a655aaf67108ae004f98ed2879d8 YELLOW
+BucketSetMap.java 665a28c80a9693b9b9e31b7ebe59f2de4195d56c GREEN
+DualKeyMap.java 75fbe85a54e5a655aaf67108ae004f98ed2879d8 GREEN
 EMFProductLineTranslation.java a62c588bd806fdf98d1e2fb4138c359528edcaad YELLOW
-GenericProductLineAnalysis.java 314f4de5be3ac7f6589192e7b41540153e032199 YELLOW
+GenericProductLineAnalysis.java 859b58aef54101734de849db293de79e16054098 GREEN
 GenericProductLineTranslation.java 2df1a1c1363cb93b6f498308e575833cf705e2fd GREEN
-IProductLineConstraint.java 1b0e1231cc578a6e7e544441ac33533b4feafeb1 YELLOW
-IProductLineTranslation.java 733dae03e2baae237b6f0b33f0dd618a4f47cf73 YELLOW
-ProductLineConstraintBase.java 04097c7c31367fdd11a054ba2b259a0535a313f4 YELLOW
-ProductLineConstraintViolation.java c31e257f99288e913a58805b2ccdfa906bf91f29 YELLOW
+IProductLineConstraint.java 1b0e1231cc578a6e7e544441ac33533b4feafeb1 GREEN
+IProductLineTranslation.java 733dae03e2baae237b6f0b33f0dd618a4f47cf73 GREEN
+ProductLineConstraintBase.java 04097c7c31367fdd11a054ba2b259a0535a313f4 GREEN
+ProductLineConstraintViolation.java 2a2bd9341e0b8f407ad9b4c663b507bd10d083ea GREEN
diff --git a/org.fortiss.variability/src/org/fortiss/variability/analysis/GenericProductLineAnalysis.java b/org.fortiss.variability/src/org/fortiss/variability/analysis/GenericProductLineAnalysis.java
index 314f4de5be3ac7f6589192e7b41540153e032199..859b58aef54101734de849db293de79e16054098 100644
--- a/org.fortiss.variability/src/org/fortiss/variability/analysis/GenericProductLineAnalysis.java
+++ b/org.fortiss.variability/src/org/fortiss/variability/analysis/GenericProductLineAnalysis.java
@@ -1,5 +1,7 @@
 package org.fortiss.variability.analysis;
 
+import static com.microsoft.z3.Status.SATISFIABLE;
+
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashSet;
@@ -68,8 +70,8 @@ public abstract class GenericProductLineAnalysis {
 
 		List<ProductLineConstraintViolation> ret = new ArrayList<ProductLineConstraintViolation>();
 
-		if(result.equals(Status.SATISFIABLE)) {
-			// A violating configuration (i.e. model for negated constraints) was found -> extract
+		if(result.equals(SATISFIABLE)) {
+			// A violating configuration (i.e., model for negated constraints) was found -> extract
 			// violating model elements.
 			Model z3Model = solver.getModel();
 
diff --git a/org.fortiss.variability/src/org/fortiss/variability/analysis/ProductLineConstraintViolation.java b/org.fortiss.variability/src/org/fortiss/variability/analysis/ProductLineConstraintViolation.java
index c31e257f99288e913a58805b2ccdfa906bf91f29..2a2bd9341e0b8f407ad9b4c663b507bd10d083ea 100644
--- a/org.fortiss.variability/src/org/fortiss/variability/analysis/ProductLineConstraintViolation.java
+++ b/org.fortiss.variability/src/org/fortiss/variability/analysis/ProductLineConstraintViolation.java
@@ -33,7 +33,7 @@ public class ProductLineConstraintViolation {
 	/** The violated constraint. */
 	protected IProductLineConstraint constraint;
 
-	/** The configuration which will reuslt in a model variant which violates the constraint. */
+	/** The configuration which will result in a model variant which violates the constraint. */
 	private VariantConfiguration violatingConfiguration;
 
 	/** Constructor. */
@@ -44,22 +44,38 @@ public class ProductLineConstraintViolation {
 		this.violatingConfiguration = violatingConfiguration;
 	}
 
-	/** Returns the elements which causes the violation. */
+	/** 
+	 * Returns the elements which causes the violation. 
+	 * 
+	 * @return The elements which causes the violation.
+	 */
 	public List<EObject> getViolatingElements() {
 		return violatingElements;
 	}
 
-	/** Returns the error message. */
+	/** 
+	 * Returns the error message. 
+	 * 
+	 * @return The error message. 
+	 */
 	public String getErrorMessage() {
 		return constraint.createErrorMessage(violatingElements, violatingConfiguration);
 	}
 
-	/** Returns the constraint that has been violated. */
+	/** 
+	 * Returns the constraint that has been violated. 
+	 * 
+	 * @return The constraint that has been violated. 
+	 */
 	public IProductLineConstraint getConstraint() {
 		return constraint;
 	}
 
-	/** Returns the configuration which will violate the constraint. */
+	/** 
+	 * Returns the configuration which will violate the constraint. 
+	 * 
+	 * @return The configuration which will violate the constraint. 
+	 */
 	public VariantConfiguration getViolatingConfiguration() {
 		return violatingConfiguration;
 	}
diff --git a/org.fortiss.variability/src/org/fortiss/variability/model/.ratings b/org.fortiss.variability/src/org/fortiss/variability/model/.ratings
index f6911f63af7d36cbc8c535d729e0f2191db0bac7..a515450eb50c0424928819d3097dd2279dc460bb 100644
--- a/org.fortiss.variability/src/org/fortiss/variability/model/.ratings
+++ b/org.fortiss.variability/src/org/fortiss/variability/model/.ratings
@@ -1,2 +1,2 @@
 VariabilityModelElementFactory.java 5a50d78b0fc94a20329b95991b519a3e3fbf4410 GREEN
-VariabilityStaticImpl.java 9d913de8c14b22b07d318084abd911c6d5692977 YELLOW
+VariabilityStaticImpl.java 9d913de8c14b22b07d318084abd911c6d5692977 GREEN
diff --git a/org.fortiss.variability/src/org/fortiss/variability/util/.ratings b/org.fortiss.variability/src/org/fortiss/variability/util/.ratings
index 253136c409bbf422226803423664d2f910f5352f..d1f61dabfafe990f1108d025ca4514a3ff1a89c3 100644
--- a/org.fortiss.variability/src/org/fortiss/variability/util/.ratings
+++ b/org.fortiss.variability/src/org/fortiss/variability/util/.ratings
@@ -1,4 +1,4 @@
 FeatureModelTransformationUtils.java b38702296dcb48ff311b382bb9c05d2590e2dfac GREEN
 Pair.java 2dfd7dc65f7b9ba09a120f1a6058d1e8e9556a37 GREEN
 VariabilityUtils.java 3e57a37ced6396076c71227aea8de534381b6ace GREEN
-VariabilityUtilsInternal.java c5a4c445e73a15826882361a75b5dca201c3ca91 YELLOW
+VariabilityUtilsInternal.java 612c248ae391aeeb0ad80a23abc50974004c5349 GREEN
diff --git a/org.fortiss.variability/src/org/fortiss/variability/util/VariabilityUtilsInternal.java b/org.fortiss.variability/src/org/fortiss/variability/util/VariabilityUtilsInternal.java
index c5a4c445e73a15826882361a75b5dca201c3ca91..612c248ae391aeeb0ad80a23abc50974004c5349 100644
--- a/org.fortiss.variability/src/org/fortiss/variability/util/VariabilityUtilsInternal.java
+++ b/org.fortiss.variability/src/org/fortiss/variability/util/VariabilityUtilsInternal.java
@@ -237,7 +237,7 @@ public class VariabilityUtilsInternal {
 
 	/**
 	 * Calculates a self contained presence condition of the given element which takes into account
-	 * all presence conditions of parent objects in the containment hierarchy
+	 * all presence conditions of parent objects in the containment hierarchy.
 	 * 
 	 * Note, that this util method should only be used internally in this plugin, as the variation
 	 * point implementation could be different in higher level plugins.