All Classes and Interfaces

Class
Description
Base implementation of the learner presented in "Automata Learning with Automated Alphabet Abstraction Refinement" by Howar et al.
 
Abstract base class for algorithms that produce (subclasses of) MutableDeterministic automata.
 
 
 
 
An EmptinessOracle that tries words in a breadth-first manner.
An InclusionOracle that generates words in a breadth-first manner.
An AutomatonOracle that processes words in a breadth-first manner.
Class to test any AbstractBFOracle.
 
Note: this class has a natural ordering that is inconsistent with equals.
Abstract base class for Blue-Fringe-RPNI algorithms.
 
Abstract base class for a SUL that step-wisely executes ContextExecutableInput symbols.
 
 
Abstract integration test for DFA learning algorithms.
Abstract integration test for passive DFA learning algorithms.
An abstract super class for aggregating some information/functionality for discrimination trees.
 
An abstract super class (DAO) for aggregating some information stored in a node of a discrimination tree.
A batch processor that dynamically distributes queries to worker threads.
Builder class for a AbstractDynamicBatchProcessor.
An "explicit" refinement of the AbstractAAARLearner.
 
 
A "generic" refinement of the AbstractAAARLearner.
 
 
 
Simple (abstract super) test class that checks the basic workflow of a learning algorithm that implements SupportsGrowingAlphabet.
Abstract hypothesis transition.
A utility class to connect AbstractBasicLinkedListEntrys with IntrusiveListEntrys.
An interface for mapping concrete symbols to their abstraction, and abstractions to their representatives, respectively.
 
 
 
Test class that checks whether a learning algorithm which implements the AccessSequenceTransformer interface returns the correct representatives.
 
An abstract base class for L*-style algorithms.
Abstract integration test for Mealy machine learning algorithms.
Abstract integration test for passive Mealy machine learning algorithms.
Abstract integration test for Mealy machine learning algorithms.
 
Abstract integration test for Moore machine learning algorithms.
Abstract integration test for passive Moore machine learning algorithms.
Abstract integration test for Moore machine learning algorithms.
An abstract counterexample analyzer that carries a name.
 
Abstract integration test for OneSEVPA learning algorithms.
Base implementation of the "Observation Pack" learning algorithm.
 
A symbol filter that answers all queries correctly.
 
A symbol filter that falsely answers a query with a specified probability.
 
 
 
Test class that checks the workflow of a learning algorithm that implements Resumable.
Abstract integration test for SBA learning algorithms.
Abstract integration test for SPA learning algorithms.
Abstract integration test for SPMM learning algorithms.
Abstract integration test for passive SubsequentialTransducers learning algorithms.
A batch processor that statically distributes a set of queries among several threads.
Collects various statistics on symbol filtering, including false accepts + false ignores.
An omega membership oracle for an ObservableSUL.
An extension of the AbstractDTNode that adds the concept of temporary splitters as well as linking discrimination tree nodes outside their regular tree structure.
An abstract equivalence oracle that takes care of query batching and hypothesis checking and allows extending classes to solely focus on test word generation by implementing TestWordGenerator.generateTestWords(Object, Collection)}.
A utility class that requires extending classes to answer the filter question truthfully.
Hypothesis DFA for the TTT algorithm.
 
 
The TTT learning algorithm for generic automata.
 
Data structure for representing a splitter.
 
 
Convenient class for word-based discrimination trees that already binds certain generics.
Convenient class for word-based discrimination tree nodes that already binds certain generics.
A pass-through filter that accepts all inputs.
Common interface for objects that have an access sequence associated with them (e.g., states and transitions of a hypotheses).
 
 
 
This is a utility class, acting as a container for several AbstractNamedAcexAnalyzers.
 
Utility class to answer regular queries with an AdaptiveMembershipOracle.
An adaptive variation of the MembershipOracle that is tailored towards answering adaptive queries.
An adaptive query is a variation of the (regular) Query that allows one to dynamically select the symbols to query based on responses to previous symbols.
The different types of responses when processing outputs from the system under learning.
A cache for an AdaptiveMembershipOracle.
 
 
 
 
ADSTree<S extends Comparable<S>,I,O>
 
ADT<S,I,O>
The adaptive discrimination tree class.
 
Interface for configuration objects that specify how to finalize the temporary splitter given by regular counterexample decomposition.
A collection of default ADTExtender configurations.
Hypothesis model.
Leaf node implementation.
The main learning algorithm.
A builder for constructing ADTLearner instances.
Utility class that captures all essential state of a ADTLearner run.
The ADT equivalent of ADSNode.
Utility enum to distinguish the 3 possible types of ADT nodes.
Reset node implementation.
Hypothesis state model.
Symbol node implementation.
Hypothesis transition model.
Utility class, that offers some operations revolving around adaptive distinguishing sequences.
 
 
 
A manager of access sequences and terminating sequences of SBAs during the learning process.
A manager of access sequences and terminating sequences of SPMMs during the learning process.
A manager of access sequences, terminating sequences, and return sequences of SPAs during the learning process.
Class that contains all data that represent the internal state of the AbstractAutomatonLStar learner and its DFA and Mealy implementations.
Finds counterexamples (to particular claims) to a hypothesis, while generating words that are in the given hypothesis.
 
 
BasePropertyOracle<I,A extends Output<I,D>,P,D,R extends A>
A PropertyOracle that uses InclusionOracles and EmptinessOracles to evaluate potential counterexamples produced by a given ModelChecker.
Base class for prefix tree acceptors.
The discrimination tree data structure.
Exception that is thrown if a parallel batch is interrupted during processing.
A markup interface for classes that can process a batch of work in a parallel environment (e.g. a MembershipOracle when used by a ParallelOracle).
 
 
 
Binary discrimination tree node specialization.
Binary discrimination tree specialization.
Decides whether some words that do not satisfy properties evaluated by BlackBoxOracle.getPropertyOracles() on a given hypothesis, are included in a language.
 
 
A state-merging learning algorithm based on the evidence principle.
A state-merging learning algorithm based on the minimal description length principle.
 
 
A Blue Fringe version of RPNI for learning DFAs.
Blue-fringe version of RPNI for inferring Mealy machines.
Blue-fringe version of RPNI for inferring Moore machines.
 
Primitive implementation for boolean maps.
A generic deque-derived container which transparently acts either as a stack or a queue, and optionally a capacity restriction with a configurable policy which element is evicted (or reject) if the maximum capacity is reached.
The policy which determines in which order elements are accessed.
The policy which determines in which order elements are removed if the maximum capacity is reached.
Default values for ReuseTreeBuilder and ReuseOracleBuilder.
Wrapper for a symbol filter that caches previous responses and allows caller to update these.
A set of markers that allow one to categorize logging output.
Outcome of a counterexample analysis.
The strategy of this black-box oracle is to first try out a property, to see if it can be disproved.
 
Implementation of the L* algorithm by Dana Angluin.
A builder for constructing ClassicLStarDFA instances.
An implementation of the L*Mealy algorithm for inferring Mealy machines, as described by Oliver Niese in his Ph.D.
A builder for constructing ClassicLStarMealy instances.
A MooreMachine-based specialization of the classic L* learner.
A builder for constructing ClassicLStarMoore instances.
An abstract counterexample based on prefix transformations.
An oracle that delegates its queries to an external program via the command-line interface.
An oracle that delegates its queries to an external program via the command-line interface.
An oracle that delegates its queries to an external program via the command-line interface.
Transformer for converting the String-based output of a CLI application to a custom-typed output.
 
Collection of predefined observation table closing strategies.
A closing strategy, determining how to proceed when an observation table needs to be closed.
Indicates the coloring of states of the prefix-tree acceptor during merging.
Implements an equivalence check by complete exploration up to a given depth, i.e., by testing all possible sequences of a certain length within a specified range.
A context executable input is an input that performs a specific action on a SUL itself, given a specific execution context.
A SUL that executes ContextExecutableInput symbols.
Facility for creating and disposing of contexts on which ContextExecutableInputs operate.
A context pair of prefix and suffix to discriminate a hypothesis state.
A simple wrapper for counting the number of resets and symbols of an AdaptiveMembershipOracle.
Wrapper for a EquivalenceOracle that gathers various statistics on queries sent to this oracle.
Wrapper for a ObservableSUL that gathers various statistics on queries sent to this SUL.
A MembershipOracle that counts both the number of queries and the total number of symbols occurring in all those queries.
Wrapper for a StateLocalInputSUL that gathers various statistics on queries sent to this SUL.
Wrapper for a SUL that gathers various statistics on queries sent to this SUL.
Wrapper for a TimedSUL that gathers various statistics on queries sent to this SUL.
A default ATManager that only extracts initial access sequences and terminating sequences from positive counterexamples.
A default ATManager that only extracts initial access sequences and terminating sequences from positive counterexamples.
A default ATRManager that only extracts initial access sequences, terminating sequences, and return sequences from positive counterexamples.
 
A learning example that directly stores the alphabet and the reference automaton in its fields.
 
 
 
 
 
 
 
 
 
Default implementation for a passive learning example.
 
 
 
 
Standard processing orders that can be used for the RPNI algorithm.
A query is a container for tests a learning algorithms performs, containing the actual test and the corresponding result.
A variant of the backtracking ADS search (see ADS, BacktrackingSearch), that works on partially defined automata.
 
 
A type-specific refinement of AbstractBFEmptinessOracle.
A type-specific refinement of AbstractBFInclusionOracle.
DFA cache.
 
A factory for creating caches for DFA-based MembershipOracles.
A type-specific refinement of CExFirstOracle.
A type-specific refinement of CompleteExplorationEQOracle.
A type-specific refinement of CounterOracle.
A type-specific refinement of DisproveFirstOracle.
A type-specific refinement of EQOracleChain.
A type-specific refinement of Experiment.
A type-specific refinement of BasePropertyOracle.
A LearningCacheOracle.DFALearningCacheOracle that uses a Map for internal cache organization.
 
A type-specific refinement of IncrementalWMethodEQOracle.
A type-specific refinement of LassoEmptinessOracleImpl.
A type-specific refinement of BasePropertyOracle.
A type-specific refinement of LockableOracle.
A type-specific refinement of LoggingPropertyOracle.
A type-specific refinement of PropertyOracleChain.
A type-specific refinement of RandomWMethodEQOracle.
A type-specific refinement of RandomWordsEQOracle.
A type-specific refinement of RandomWpMethodEQOracle.
A type-specific refinement of RefinementCounterLearner.
A type-specific refinement of SimulatorEQOracle.
A type-specific refinement of SimulatorOracle.
A type-specific refinement of WMethodEQOracle.
A type-specific refinement of WpMethodEQOracle.
 
Factory methods for several kinds of discrimination tree node iterators.
The strategy of this black-box oracle is to first try to disprove all properties before finding a counter example to the given hypothesis.
 
 
Specific discrimination tree node implementation.
Specific discrimination tree implementation.
 
This EquivalenceOracle.MealyEquivalenceOracle evaluates test words generated by the given TestWordGenerator on a symbol-by-symbol basis (via the provided AdaptiveMembershipOracle) and returns a counterexample on the first observed mismatch.
Decides whether the intersection of the language of a given hypothesis and some other language (e.g., from a SUL) is empty.
 
 
 
An equivalence oracle, which checks hypothesis automata against the (possibly unknown) system under learning (SUL).
A specialization of the EquivalenceOracle interface for a DFA learning scenario.
A specialization of the EquivalenceOracle interface for a Mealy learning scenario.
A specialization of the EquivalenceOracle interface for an MMLT learning scenario.
A specialization of the EquivalenceOracle interface for a Moore learning scenario.
A wrapper for representing an exception-based method output via its Class.getSimpleName().
This class provides the example used in the paper ''Learning Regular Sets from Queries and Counterexamples'' by Dana Angluin that consists of an automaton that accepts ''all strings over {0,1} with an even number of 0's and an even number of 1's''.
This example represents the Coffee Machine example from Steffen et al.
 
This class generates a Mealy machine consisting of a two-dimensional grid of states.
 
 
 
 
This class implements a sad love story - DFA style.
 
 
 
 
 
 
 
 
 
This class provides the example used in the paper ''Inferring Mealy Machines'' by Muzammil Shahbaz and Roland Groz (see Figure 1).
This example encodes a small stack with a capacity of three elements and "push" and "pop" operations as Mealy machine.
 
 
Tiny DFA with language (ab)*.
Tiny machine with the language (a1a2)^*.
An executable input is an input that performs a specific action on a SUL itself.
ExecutableInputSUL<I extends ExecutableInput<? extends O>,O>
A SUL that executes ExecutableInput symbols.
 
Runs a learning experiment.
A DFA-specific refinement of AbstractExplicitAAARLearner.
A MealyMachine-specific refinement of AbstractExplicitAAARLearner.
 
This interface denotes an Abstraction that additionally provides an initial classification of abstract input symbols.
An implementation of Angluin's L* algorithm for learning DFAs, as described in the paper "Learning Regular Sets from Queries and Counterexamples".
A builder for constructing ExtensibleLStarDFA instances.
A MealyMachine-based specialization of the extensible L* learner.
A builder for constructing ExtensibleLStarMealy instances.
An L*-based leaner for inferring MMLTs.
A builder for constructing ExtensibleLStarMMLT instances.
A MooreMachine-based specialization of the extensible L* learner.
A builder for constructing ExtensibleLStarMoore instances.
A class that describes the possible result an ADTExtender can return.
The specified symbol is considered to be falsely ignored by the symbol filter.
Describes the possible responses of a SymbolFilter.
A DFA-specific refinement of AbstractGenericAAARLearner.
A MealyMachine-specific refinement of AbstractGenericAAARLearner.
A MooreMachine-specific refinement of AbstractGenericAAARLearner.
 
Observation table class.
Interface for a global suffix finder.
A collection of suffix-based global counterexample analyzers.
Common interface for learning algorithms that use a global suffix set.
 
 
 
 
Internal transition.
Hypothesis location.
Exception to indicate structural changes of the hypothesis during counterexample analysis, thus possibly invalidating the counterexample.
Return transition.
A pass-through filter that ignores all inputs.
Decides whether the language of a given hypothesis is included in some other language (e.g., from a SUL).
 
 
An (RFSA) inconsistency in an ObservationTable.
A description of an inconsistency in an GenericObservationTable.
 
A type-specific refinement of InterningMembershipOracle.
A MembershipOracle that interns query outputs.
A type-specific refinement of InterningMembershipOracle.
A list that stores elements which directly expose information about their predecessor and successor elements.
A LinkedListEntry refinement specialized for the use in IntrusiveLists.
The Kearns/Vazirani algorithm for learning DFA, as described in the book "An Introduction to Computational Learning Theory" by Michael Kearns and Umesh Vazirani.
A builder for constructing KearnsVaziraniDFA instances.
Class that contains all data that represent the internal state of the KearnsVaziraniDFA learner.
An adaption of the Kearns/Vazirani algorithm for Mealy machines.
A builder for constructing KearnsVaziraniMealy instances.
Class that contains all data that represent the internal state of the KearnsVaziraniMealy learner.
An EquivalenceOracle based on the concepts of mutation testing as described in the paper Learning from Faults: Mutation Testing in Active Automata Learning by Bernhard K.
A builder for constructing KWayStateCoverEQOracle instances.
An EquivalenceOracle based on the concepts of mutation testing as described in the paper Learning from Faults: Mutation Testing in Active Automata Learning by Bernhard K.
A builder for constructing KWayTransitionCoverEQOracle instances.
An emptiness oracle for lassos.
 
 
 
LassoOracle<L extends Lasso<I,D>,I,D>
An automaton oracle for lassos.
 
 
DAO for aggregating information about the least common ancestor of two subtrees in a discrimination tree.
Interface for configuration objects that specify how to split the ADT leaf of a hypothesis state that needs refinement.
A collection of default LeafSplitter configurations.
A simplified view on the constructor of a learning algorithm that only requires an Alphabet definition and a MembershipOracle.
Utility class for integration tests for a learning algorithm (or "learner").
A utility interface for managing the learner state as required by the LearningAlgorithm contract.
 
A write-only list to store multiple variants of a learning algorithm.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Basic interface for a model inference algorithm.
 
 
 
 
Interface for a cache used in automata learning.
Specialization of the LearningCache interface for DFA learning.
Specialization of the LearningCache interface for Mealy machine learning.
Specialization of the LearningCache interface for MMLT learning.
Specialization of the LearningCache interface for Moore machine learning.
A learning cache that also serves as a membership oracle.
Specialization of the LearningCacheOracle interface for DFA learning.
Specialization of the LearningCacheOracle interface for Mealy machine learning.
Specialization of the LearningCacheOracle interface for MMLT learning.
Specialization of the LearningCacheOracle interface for Moore machine learning.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
An enum of all the system properties currently used by LearnLib.
 
 
 
 
 
 
 
State class for making LLambdaDFA and LLambdaMealy resumable.
Suffix-based local counterexample analyzer.
A collection of suffix-based local counterexample analyzers.
Stores information about local timers of a location.
A lockable oracle is a MembershipOracle whose actions can be blocked by setting its lock.
A PropertyOracle that performs logging.
Implementation of the L# algorithm for MealyMachines.
A builder for constructing LSharpMealy instances.
 
 
 
 
A DFA-based specialization of the L* learner which uses the counterexample analysis strategy proposed by Maler & Pnueli.
A builder for constructing MalerPnueliDFA instances.
A MealyMachine-based specialization of the L* learner which uses the counterexample analysis strategy proposed by Maler & Pnueli.
A builder for constructing MalerPnueliMealy instances.
A MooreMachine-based specialization of the L* learner which uses the counterexample analysis strategy proposed by Maler & Pnueli.
A builder for constructing MalerPnueliMoore instances.
A mapped exception allows one to gracefully handle exceptions thrown, e.g., during a SUL's step method by providing information about the output symbol that should be emitted instead and subsequent outputs.
A utility class that allows to lift a membership oracle of concrete input/output symbols to a membership oracle of abstract input/output symbols, given a corresponding mapper.
 
A mapper that lifts a SUL or MembershipOracle from an "abstract" to a "concrete" level.
A mapper refinement to establish the contract of an asynchronous, query-wise translation of input words.
A mapper refinement to establish the contract of a synchronized, symbol-wise translation of input words for reactive systems.
Utility methods for manipulating mappers.
 
A StatisticsService that stores all statistics in a Map.
 
A type-specific refinement of AbstractBFEmptinessOracle.
A type-specific refinement of AbstractBFInclusionOracle.
An EquivalenceOracle that tests a hypothesis for consistency with the contents of a MealyCacheOracle.
Mealy cache.
 
A factory for creating caches for mealy-based MembershipOracles.
A type-specific refinement of CExFirstOracle.
A type-specific refinement of CompleteExplorationEQOracle.
A type-specific refinement of CounterOracle.
The DHC learner.
A builder for constructing MealyDHC instances.
Class that contains all data that represent the internal state of the MealyDHC learner.
A type-specific refinement of DisproveFirstOracle.
A type-specific refinement of EQOracleChain.
A type-specific refinement of Experiment.
A type-specific refinement of BasePropertyOracle.
A type-specific refinement of IncrementalWMethodEQOracle.
A type-specific refinement of LassoEmptinessOracleImpl.
A type-specific refinement of BasePropertyOracle.
A type-specific refinement of LockableOracle.
A type-specific refinement of LoggingPropertyOracle.
 
A type-specific refinement of PropertyOracleChain.
A type-specific refinement of RandomWMethodEQOracle.
A type-specific refinement of RandomWordsEQOracle.
A type-specific refinement of RandomWpMethodEQOracle.
A type-specific refinement of RefinementCounterLearner.
A type-specific refinement of SimulatorEQOracle.
A type-specific refinement of SimulatorOracle.
A SUL that implements steps by stepping through a MealyMachine.
Utility class helping to unify various approaches to actively learning Mealy machines.
A type-specific refinement of WMethodEQOracle.
A type-specific refinement of WpMethodEQOracle.
 
Membership oracle interface.
A specialization of the MembershipOracle that binds the output domain to Booleans.
A specialization of the MembershipOracle that binds the output domain to Words of the specified output type.
A specialization of the MembershipOracle that binds the output domain to Words of the specified output type.
An input symbol that represents a call to a method with a specific set of parameters.
Abstract output of a method.
 
 
The target at the identified transition is incorrect due to a missing discriminator.
The provided timer should become one-shot.
There should be a local reset at the specified transition.
Searches for counterexamples by comparing the behavior of the hypothesis and the query cache.
Processes a truncated counterexample for a hypothesis MMLT by searching for an extended decomposition, post-processing it, and inferring an inaccuracy from it.
A type-specific refinement of EQOracleChain.
A collection of MMLT-based learning examples.
The hypothesis model is a regular MMLT that includes an additional prefix mapping.
An abstract counterexample used by the ExtensibleLStarMMLT learner.
 
A type-specific refinement of LockableOracle.
Model-specific parameters for MMLT-based learners.
Represents an output inconsistency used by the ExtensibleLStarMMLT learner.
A symbol filter for MMLTs that correctly accepts and ignores all transitions that silently self-loop.
A symbol filter that falsely answers a query with a specified probability.
Simulates the semantics of an MMLT.
A symbol filter that logs statistics about false accepts and false ignores.
An EquivalenceOracle that tests a hypothesis for consistency with the contents of a MooreCacheOracle.
Moore cache.
 
A factory for creating caches for Moore-based MembershipOracles.
A type-specific refinement of CompleteExplorationEQOracle.
A type-specific refinement of CounterOracle.
A type-specific refinement of EQOracleChain.
A type-specific refinement of Experiment.
A type-specific refinement of IncrementalWMethodEQOracle.
A type-specific refinement of LockableOracle.
 
A type-specific refinement of RandomWMethodEQOracle.
A type-specific refinement of RandomWordsEQOracle.
A type-specific refinement of RandomWpMethodEQOracle.
A type-specific refinement of RefinementCounterLearner.
A type-specific refinement of SimulatorEQOracle.
A type-specific refinement of SimulatorOracle.
Utility class helping to unify various approaches to actively learning Moore machines.
A type-specific refinement of WMethodEQOracle.
A type-specific refinement of WpMethodEQOracle.
 
Utility class that wraps a given MembershipOracle into an AdaptiveMembershipOracle by translating each step of an AdaptiveQuery into a separate DefaultQuery.
 
Generic n-ary discrimination tree node specialization.
Generic n-ary discrimination tree specialization.
 
 
A type-specific refinement of SimulatorOracle.
The NL* learner.
A builder for constructing NLStarLearner instances.
 
 
 
 
 
A System Under Learning (SUL) where at any point in time the internal state can be observed.
The observation table implementation for the NL* algorithm.
An observation table is a common method for learning algorithms to store organize their observations.
 
 
 
 
Writes an observation table as an HTML table.
Reads an ObservationTable from a string source.
 
A class, that stores observations of the system under learning in a tree-like structure.
 
Answers OmegaQuerys, similar to a MembershipOracle.
 
 
A query that represents information about infinite words in an ultimately periodic pattern.
Answers OmegaQuerys.
Hypothesis model.
 
A DFA-based specialization of the AbstractOPLearner.
A builder for constructing OPLearnerDFA instances.
Basic hypothesis data structure for Discrimination Tree learning algorithms.
A MealyMachine-based specialization of the AbstractOPLearner.
A builder for constructing OPLearnerMealy instances.
A MooreMachine-based specialization of the AbstractOPLearner.
A builder for constructing OPLearnerMoore instances.
Class that contains all data that represent the internal state of the OPLearnerState learner and its DFA and Mealy implementations.
A SEVPA-based adoption of the "observation pack" algorithm.
A builder for constructing OPLearnerVPA instances.
An optimizing ATManager that continuously scans positive counterexamples and procedural models in order to find shorter access sequences and terminating sequences.
An optimizing ATManager that continuously scans positive counterexamples and procedural models in order to find shorter access sequences and terminating sequences.
An optimizing ATRManager that continuously scans positive counterexamples and procedural models in order to find shorter access sequences, terminating sequences, and return sequences.
The OSTIA learning algorithm.
 
 
 
 
 
An abstract counterexample for output inconsistencies, based on prefix transformations.
Class for representing output inconsistencies within the TTT algorithm.
Basic interface for MembershipOracles that can process queries in parallel.
Builders for (static and dynamic) parallel oracles.
During the refinement process of the hypothesis, ADS/Ts may be computed on partially defined automata.
A helper exception to interrupt computations on an invalid hypothesis.
 
Default test case for a passive learning integration test.
 
 
 
 
 
 
 
 
 
 
 
Basic interface for passive learning algorithms that infer finite-state acceptors (DFAs or NFAs).
Basic interface for passive learning algorithms that infer DFAs.
Basic interface for passive learning algorithms that infer Mealy machines.
Basic interface for passive learning algorithms that infer Moore machines.
 
 
 
 
 
 
 
Wraps a given (non-empty) Query as an AdaptiveQuery so that it can be answered by an AdaptiveMembershipOracle.
Interface for entities that specify the order in which blue states are processed (i.e., considered for merges).
A PropertyOracle can disprove a property, and used to find a counter example to a hypothesis.
 
 
A chain of property oracles.
 
 
 
 
A query is the basic form of interaction between a learner and a (membership) oracle, or teacher.
A simple interface for answering Word-based queries.
Performs a random walk over the hypothesis.
An equivalence oracle based on the generation of random (well-matched) words.
Implements an equivalence test based on a randomized version of the W-method as described in Complementing Model Learning with Mutation-Based Fuzzing by Rick Smetsers, Joshua Moerman, Mark Janssen, Sicco Verwer.
 
Implements the partial W-method for MMLT learning.
Implements an equivalence test based on a randomized version of the W(p)-method as described in Complementing Model Learning with Mutation-Based Fuzzing by Rick Smetsers, Joshua Moerman, Mark Janssen, Sicco Verwer.
 
Counts the number of hypothesis refinements.
An extension of a SymbolFilter that allows one to override the query behavior.
A class that describes the possible result a SubtreeReplacer can return.
Searches for counterexamples that reveal local resets.
Data structures that implement this interface can be "suspended" by means of exposing a state object that contains all data that is necessary to resume from this state at a later point in time.
Utility functions for Resumable features.
A (non-empty) output of a method call.
Required interface for the ReuseOracle.
 
A ReuseEdge connects two ReuseNode's in the ReuseTree and is labeled with input and output behavior.
This exception will be thrown whenever some nondeterministic behavior in the reuse tree is detected when inserting new queries.
A ReuseNode is a vertex in the ReuseTree that contains (a possibly empty) set of outgoing ReuseEdges.
 
The reuse oracle is a MembershipOracle.MealyMembershipOracle that is able to Cache queries: Each processed query will not be delegated again (instead the answer will be retrieved from the ReuseTree) Pump queries: If the ReuseTree is configured to know which symbols are model invariant input symbols via ReuseOracleBuilder.withInvariantInputs(Set) (like a read from a database which does not change the SUL) or configured for failure output symbols via ReuseOracleBuilder.withFailureOutputs(Set) (e.g. a roll back mechanism exists for the invoked symbol) the oracle could ''pump'' those symbols inside a query once seen. Reuse system states: There are a lot of situations where a prefix of a query is already known and a system state is available.
A builder for constructing ReuseOracle instances.
The ReuseTree is a tree like structure consisting of nodes (see ReuseNode) and edges (see ReuseEdge) that is used by the ReuseOracle: Nodes may contain a system state (see ReuseNode.fetchSystemState(boolean)) that could be used for executing suffixes of membership queries.
A builder for constructing ReuseTree instances.
 
A DFA-based specialization of the L* learner which uses the counterexample analysis strategy proposed by Rivest & Schapire.
A builder for constructing RivestSchapireDFA instances.
A MealyMachine-based specialization of the L* learner which uses the counterexample analysis strategy proposed by Rivest & Schapire.
A builder for constructing RivestSchapireMealy instances.
A MooreMachine-based specialization of the L* learner which uses the counterexample analysis strategy proposed by Rivest & Schapire.
A builder for constructing RivestSchapireMoore instances.
A single row in the ObservationTable for NL*.
A row in an observation table.
 
 
 
An equivalence oracle that tests a hypothesis against a fixed set of sample queries.
A learning algorithm for SBAs.
 
A type-specific refinement of LockableOracle.
A PropertyOracle for verifying properties on SBAs.
A type-specific refinement of SimulatorOracle.
A type-specific refinement of LockableOracle.
A type-specific refinement of SimulatorOracle.
This class represents the data structure of an ObservationTable without providing any meaningful functionality.
A mapper that wraps any kind of RuntimeException that occurs during steps of the SimplePOJOTestDriver into a MappedException whose output is an Error object, followed by repeated Unobserved outputs.
A test driver for plain old java objects.
A simulator oracle for MMLTs.
 
 
 
 
An equivalence oracle based on the computation of a separating word for a given hypothesis and a previously known target system.
Answers OmegaQuerys by simulating an automaton.
 
 
A membership oracle backed by an automaton.
An AdaptiveMembershipOracle that answers single queries.
An OmegaMembershipOracle that answers single queries.
 
 
Base interface for oracles whose semantic is defined in terms of directly answering single queries (like a QueryAnswerer), and that cannot profit from batch processing of queries.
 
 
 
 
 
A learning algorithm for SPAs.
 
A type-specific refinement of LockableOracle.
Optimized implementation of the Ls learning algorithm, as described in the paper Learning Mealy Machines with Sparse Observation Tables by Wolffhardt Schwabe, Paul Kogel, and Sabine Glesner.
A type-specific refinement of SimulatorOracle.
Data associated with a discrimination tree node while an enclosing subtree is being split.
Data structure for representing a splitter.
 
A learning algorithm for SPMMs.
 
A type-specific refinement of LockableOracle.
A type-specific refinement of SimulatorOracle.
 
The information associated with a state: it's access sequence (or access string), and the list of incoming transitions.
 
 
A System Under Learning (SUL) which can additionally report the inputs that the SUL can process in its current state, i.e. inputs that will not trigger a SULException when used in the next invocation of the SUL.step(Object) method return an otherwise "undefined" behavior.
A SULCache that additionally caches the currently enabled inputs of the given StateLocalInputSUL.
 
A wrapper around a system under learning (SUL) with state local inputs.
Factory for obtaining StatisticsServices.
A key to be used when interacting with StatisticsServices.
A statistics provider is a means to register different implementations of StatisticsServices via service loading.
A service that allows for collecting various statistics of different types.
An oracle that delegates its queries to an external program via the command-line interface.
An oracle that delegates its queries to an external program via the command-line interface.
An oracle that delegates its queries to an external program via the command-line interface.
Transformer for converting the String-based output of a CLI application to a custom-typed output.
 
 
Interface for configuration objects that specify how nodes of the current ADT should be replaced.
A collection of default SubtreeReplacer configurations.
 
A de.learnlib.datastructures.writer which stores the suffixes of an ObservationTable in plaintext.
 
Interface for a system under learning (SUL) that can make single steps.
A wrapper that allows to use a SUL where a AdaptiveMembershipOracle is expected.
A cache to be used with a SUL.
A factory for creating caches for SULs.
Unchecked exception class that can be used by implementors of a SUL to wrap any exceptions that occur during the SUL.step(Object) methods.
An extension of the Mapper interface specifically for SULs.
Utility methods for manipulating mappers.
A wrapper around a system under learning (SUL).
 
A symbol filter allows one to incorporate additional external knowledge by predicting whether a given transition (identified by an input symbol) is ignorable in a given state (identified by an access sequence).
A utility class to annotate an input symbol with a (boolean) continuable flag.
An implementation of this interface that is set to the ReuseTree (see ReuseOracleBuilder.withSystemStateHandler(SystemStateHandler)) will be informed about all removed system states whenever ReuseTree.disposeSystemStates() gets called.
A markup interface for generators of testing sequences (such as EquivalenceOracle implementations).
A markup interface for a component that manages a pool of threads that may want to be shut down after usage.
The policy for dealing with thread pools.
A thread-safe variant of DFACacheOracle.
A factory for creating thread-safe caches for DFA-based MembershipOracles.
A thread-safe variant of MealyCacheOracle.
A factory for creating thread-safe caches for MealyMachine-based MembershipOracles.
A thread-safe variant of MealyCacheOracle.
A factory for creating thread-safe caches for MooreMachine-based MembershipOracles.
A thread-safe variant of StateLocalInputSULCache.
A thread-safe variant of SULCache.
A factory for creating thread-safe SUL caches.
An oracle for querying timed inputs and timers by observing timeouts.
Response for a timer query.
Interface for a SUL with MMLT semantics.
Implements a TimedQueryOracle given a TimedSUL.
Caches queries sent to a TimedSUL.
Avoids redundant queries for timeouts.
 
 
Wraps an AbstractAAARLearner in a learner that returns AbstractAAARLearner.getTranslatingHypothesisModel() for TranslatingLearnerWrapper.getHypothesisModel() so that it can be embedded into learning processes that directly operate on concrete counterexamples.
 
 
A list of transitions.
Binary discrimination tree node specialization.
Generic n-ary discrimination tree node specialization.
A MooreMachine-based specialization of the DT node.
 
 
A MooreMachine-based specialization of the TTT hypothesis.
 
 
 
A DFA-based specialization of AbstractTTTLearner.
A builder for constructing TTTLearnerDFA instances.
A MealyMachine-based specialization of AbstractTTTLearner.
A builder for constructing TTTLearnerMealy instances.
A MooreMachine-based specialization of AbstractTTTLearner.
A builder for constructing TTTLearnerMoore instances.
Class that contains all data that represent the internal state of the AbstractTTTLearner learner and its DFA and Mealy implementations.
A SEVPA-based adoption of the "TTT" algorithm.
A builder for constructing TTTLearnerVPA instances.
A state in a AbstractTTTHypothesis.
 
A MooreMachine-specific state of the TTTHypothesisMoore class.
A transition in a AbstractTTTHypothesis.
 
 
An artificial output symbol for a (non-executed) input after an exception has occurred.
Utility class for running a simple learning setup (cf.
The (empty) output of a void method call.
An SBA version of WMethodEQOracle which generates test sequences based on the W-method for each procedure.
An SPA version of WMethodEQOracle which generates test sequences based on the W-method for each procedure.
Implements an equivalence test by applying the W-method test on the procedures of the given hypothesis SBA, as described in "Testing software design modeled by finite state machines" by T.S.
Implements an equivalence test by applying the W-method test on the given hypothesis automaton, as described in Testing Software Design Modeled by Finite-State Machines by T. S. Chow.
Wraps a given (non-empty) Word as an AdaptiveQuery so that it can be answered by an AdaptiveMembershipOracle.
An SPA version of WpMethodEQOracle which generates test sequences based on the partial W-method for each procedure.
Implements an equivalence test by applying the Wp-method test on the given hypothesis automaton, as described in Test selection based on finite state models by S. Fujiwara et al.