ADT Invariants in program transformations

src/main/scala/leon/codegen/CodeGeneration.scala

src/main/scala/leon/codegen/CompilationUnit.scala

src/main/scala/leon/evaluators/RecursiveEvaluator.scala

src/main/scala/leon/purescala/Common.scala

src/main/scala/leon/purescala/DefOps.scala

src/main/scala/leon/purescala/DefinitionTransformer.scala

src/main/scala/leon/purescala/DependencyFinder.scala

src/main/scala/leon/purescala/Expressions.scala

src/main/scala/leon/purescala/MethodLifting.scala

src/main/scala/leon/purescala/RestoreMethods.scala

src/main/scala/leon/purescala/TreeTransformer.scala

src/main/scala/leon/solvers/theories/TheoryEncoder.scala

src/main/scala/leon/solvers/unrolling/UnrollingBank.scala

src/main/scala/leon/solvers/unrolling/UnrollingSolver.scala

src/main/scala/leon/synthesis/Synthesizer.scala

src/main/scala/leon/synthesis/rules/CEGISLike.scala

src/main/scala/leon/termination/TerminationChecker.scala

...st/scala/leon/integration/solvers/StringRenderSuite.scala