org.sat4j.pb.core

Class PBSolverCautious

java.lang.Object

org.sat4j.minisat.core.Solver<PBDataStructureFactory>

org.sat4j.pb.core.PBSolver

org.sat4j.pb.core.PBSolverCP

org.sat4j.pb.core.PBSolverCautious

All Implemented Interfaces:

Serializable, ICDCL<PBDataStructureFactory>, Learner, IPBCDCLSolver<PBDataStructureFactory>, IPBSolver, IPBSolverService, IProblem, ISolver, ISolverService, RandomAccessModel, UnitPropagationListener

public class PBSolverCautious
extends PBSolverCP

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static int	BOUND

Fields inherited from class org.sat4j.pb.core.PBSolver

objectiveFunctionBased, pbStats

Fields inherited from class org.sat4j.minisat.core.Solver

activity_based, activity_based_low_memory, age_based, constrs, decisions, dsfactory, EXPENSIVE_SIMPLIFICATION, EXPENSIVE_SIMPLIFICATION_WLONLY, implied, lbd_based, learnts, NO_SIMPLIFICATION, out, prime, qhead, rootLevel, sharedConflict, SIMPLE_SIMPLIFICATION, size_based, slistener, trail, trailLim, undertimeout, voc

Constructor Summary

Constructors

Constructor and Description
PBSolverCautious(LearningStrategy<PBDataStructureFactory> learner, PBDataStructureFactory dsf, IOrder order)
PBSolverCautious(LearningStrategy<PBDataStructureFactory> learner, PBDataStructureFactory dsf, IOrder order, int bound)

Method Summary

Modifier and Type	Method and Description
protected IConflict	chooseConflict(PBConstr myconfl, int level)
void	claBumpActivity(Constr arg0)
String	toString(String prefix)
protected void	updateNumberOfReducedLearnedConstraints(IConflict confl)
protected void	updateNumberOfReductions(IConflict confl)

Methods inherited from class org.sat4j.pb.core.PBSolverCP

analyze, analyzeCP, getConflictFactory, getPostprocess, getWeakeningStrategy, isNoRemove, isSkipAllow, postBumpActivity, setAutoDivisionStrategy, setBumper, setBumpStrategy, setConflictFactory, setNoRemove, setPostprocess, setPreprocess, setSkipAllow, setWeakeningStrategy, varBumpActivity

Methods inherited from class org.sat4j.pb.core.PBSolver

addAtLeast, addAtLeast, addAtMost, addAtMost, addAtMostOnTheFly, addAtMostOnTheFly, addExactly, addExactly, addPseudoBoolean, getObjectiveFunction, primeImplicant, setObjectiveFunction

Methods inherited from class org.sat4j.minisat.core.Solver

addAllClauses, addAtLeast, addAtMost, addAtMostOnTheFly, addBlockingClause, addClause, addClauseOnTheFly, addConstr, addExactly, addParity, analyzeAtRootLevel, analyzeFinalConflictInTermsOfAssumptions, assume, backtrack, cancelUntil, cancelUntilTrailLevel, claBumpActivity, clearLearntClauses, createBlockingClauseForCurrentModel, currentDecisionLevel, decayActivities, decisionLevel, dimacs2internal, discardCurrentModel, enqueue, enqueue, expireTimeout, findModel, findModel, fixedSize, fromLastDecisionLevel, getActivityComparator, getDSFactory, getIthConstr, getLearnedConstraints, getLearnedConstraintsDeletionStrategy, getLiteralsPropagatedAt, getLogger, getLogPrefix, getOrder, getOriginInModel, getOutLearnt, getPropagationLevel, getRestartStrategy, getSearchListener, getSearchParams, getSimplifier, getSolvingEngine, getStat, getStats, getTimeout, getTimeoutMs, getVariableHeuristics, getVocabulary, initStats, isDBSimplificationAllowed, isNeedToReduceDB, isSatisfiable, isSatisfiable, isSatisfiable, isSatisfiable, isSolverKeptHot, isVerbose, learn, model, model, modelWithInternalVariables, nAssigns, nConstraints, newVar, newVar, nextFreeVarId, nVars, primeImplicant, printInfos, printInfos, printLearntClausesInfos, printStat, printStat, printStat, propagate, realNumberOfVariables, reduceDB, registerLiteral, removeConstr, removeSubsumedConstr, reset, setDataStructureFactory, setDBSimplificationAllowed, setExpectedNumberOfClauses, setKeepSolverHot, setLearnedConstraintsDeletionStrategy, setLearnedConstraintsDeletionStrategy, setLearnedConstraintsDeletionStrategy, setLearner, setLearningStrategy, setLogger, setLogPrefix, setNeedToReduceDB, setOrder, setRestartStrategy, setSearchListener, setSearchParams, setSimplifier, setSimplifier, setTimeout, setTimeoutMs, setTimeoutOnConflicts, setUnitClauseConsumer, setUnitClauseProvider, setVerbose, simplifyDB, stop, suggestNextLiteralToBranchOn, toString, truthValue, undoOne, unsatExplanation, unset, varBumpActivity

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.sat4j.minisat.core.ICDCL

getLogger, getOrder, getRestartStrategy, getSearchParams, getSimplifier, getStats, setDataStructureFactory, setLearnedConstraintsDeletionStrategy, setLearnedConstraintsDeletionStrategy, setLearnedConstraintsDeletionStrategy, setLearner, setLearningStrategy, setLogger, setNeedToReduceDB, setOrder, setRestartStrategy, setSearchParams, setSimplifier, setSimplifier

Methods inherited from interface org.sat4j.specs.ISolver

addAllClauses, addAtLeast, addAtMost, addBlockingClause, addClause, addConstr, addExactly, addParity, clearLearntClauses, createBlockingClauseForCurrentModel, discardCurrentModel, expireTimeout, getLogPrefix, getOriginInModel, getSearchListener, getSolvingEngine, getStat, getTimeout, getTimeoutMs, isDBSimplificationAllowed, isSolverKeptHot, isVerbose, modelWithInternalVariables, newVar, nextFreeVarId, printStat, printStat, printStat, realNumberOfVariables, registerLiteral, removeConstr, removeSubsumedConstr, reset, setDBSimplificationAllowed, setExpectedNumberOfClauses, setKeepSolverHot, setLogPrefix, setSearchListener, setTimeout, setTimeoutMs, setTimeoutOnConflicts, setUnitClauseConsumer, setUnitClauseProvider, setVerbose, unsatExplanation

Methods inherited from interface org.sat4j.specs.IProblem

findModel, findModel, isSatisfiable, isSatisfiable, isSatisfiable, isSatisfiable, model, nConstraints, newVar, nVars, primeImplicant, printInfos, printInfos

Methods inherited from interface org.sat4j.specs.RandomAccessModel

model

Methods inherited from interface org.sat4j.specs.UnitPropagationListener

enqueue, enqueue, getPropagationLevel, unset

Methods inherited from interface org.sat4j.minisat.core.VarActivityListener

varBumpActivity

Methods inherited from interface org.sat4j.minisat.core.Learner

learn

Methods inherited from interface org.sat4j.specs.ISolverService

addAtMostOnTheFly, addClauseOnTheFly, backtrack, createBlockingClauseForCurrentModel, currentDecisionLevel, getLearnedConstraints, getLiteralsPropagatedAt, getLogPrefix, getVariableHeuristics, nVars, removeSubsumedConstr, stop, suggestNextLiteralToBranchOn, truthValue

Field Detail

BOUND

public static final int BOUND

See Also:

Constant Field Values

Constructor Detail

PBSolverCautious

public PBSolverCautious(LearningStrategy<PBDataStructureFactory> learner,
                        PBDataStructureFactory dsf,
                        IOrder order)

PBSolverCautious

public PBSolverCautious(LearningStrategy<PBDataStructureFactory> learner,
                        PBDataStructureFactory dsf,
                        IOrder order,
                        int bound)

Method Detail

chooseConflict

protected IConflict chooseConflict(PBConstr myconfl,
                                   int level)

Overrides:

chooseConflict in class PBSolverCP

toString

public String toString(String prefix)

Specified by:

toString in interface ISolver

Overrides:

toString in class PBSolverCP

updateNumberOfReductions

protected void updateNumberOfReductions(IConflict confl)

Overrides:

updateNumberOfReductions in class PBSolverCP

updateNumberOfReducedLearnedConstraints

protected void updateNumberOfReducedLearnedConstraints(IConflict confl)

Overrides:

updateNumberOfReducedLearnedConstraints in class PBSolverCP

claBumpActivity

public void claBumpActivity(Constr arg0)