@ -1,36 +1,20 @@
# ifndef STORM_MDPTRIVIALSTATEELIMIN ATOR_H
# define STORM_MDPTRIVIALSTATEELIMIN ATOR_H
# ifndef STORM_TRANSFORMER_STATEDUPLIC ATOR_H
# define STORM_TRANSFORMER_STATEDUPLIC ATOR_H
# include "../utility/macros.h"
# include <chrono>
# include <memory>
# include <boost/optional.hpp>
# include "src/adapters/CarlAdapter.h"
# include "src/logic/Formulas.h"
# include "src/modelchecker/results/ExplicitQualitativeCheckResult.h"
# include "src/modelchecker/region/RegionCheckResult.h"
# include "src/modelchecker/propositional/SparsePropositionalModelChecker.h"
# include "src/models/sparse/StandardRewardModel.h"
# include "src/settings/SettingsManager.h"
# include "src/settings/modules/RegionSettings.h"
# include "src/solver/OptimizationDirection.h"
# include "src/storage/sparse/StateType.h"
# include "src/storage/FlexibleSparseMatrix.h"
# include "src/utility/constants.h"
# include "src/utility/graph.h"
# include "src/utility/macros.h"
# include "src/utility/vector.h"
# include "src/models/sparse/Dtmc.h"
# include "src/models/sparse/Mdp.h"
# include "src/models/sparse/Ctmc.h"
# include "src/models/sparse/MarkovAutomaton.h"
# include "src/exceptions/InvalidArgumentException.h"
# include "src/exceptions/InvalidPropertyException.h"
# include "src/exceptions/InvalidStateException.h"
# include "src/exceptions/InvalidSettingsException.h"
# include "src/exceptions/NotImplementedException.h"
# include "src/exceptions/UnexpectedException.h"
# include "src/exceptions/NotSupportedException.h"
# include "src/logic/FragmentSpecification.h"
namespace storm {
namespace transformer {
@ -39,14 +23,12 @@ namespace storm {
* Duplicates the state space of the given model and redirects the incoming transitions of gateStates of the first copy to the gateStates of the second copy .
* Only states reachable from the initial states are kept .
*/
< template ModelType >
template < typename Sparse ModelType>
class StateDuplicator {
public :
typedef typename SparseMdpModelType : : ValueType ValueType ;
typedef typename SparseMdpModelType : : RewardModelType RewardModelType ;
struct StateDuplicatorReturnType {
ModelType model ; / / The resulting model
std : : shared_ptr < Sparse ModelType> model ; / / The resulting model
storm : : storage : : BitVector firstCopy ; / / The states of the resulting model that correspond to the first copy
storm : : storage : : BitVector secondCopy ; / / The states of the resulting model that correspond to the second copy
storm : : storage : : BitVector gateStates ; / / The gate states of the resulting model
@ -67,25 +49,42 @@ namespace storm {
* @ param originalModel The model to be duplicated
* @ param gateStates The states for which the incoming transitions are redirected
*/
static StateDuplicatorReturnType transform ( ModelType const & originalModel , storm : : storage : : BitVector const & gateStates ) {
static StateDuplicatorReturnType transform ( SparseModelType const & originalModel , storm : : storage : : BitVector const & gateStates ) {
STORM_LOG_DEBUG ( " Invoked state duplicator on model with " < < originalModel . getNumberOfStates ( ) < < " states. " ) ;
StateDuplicatorReturnType result ;
/ / Collect some data for the result
initializeTransformation ( originalModel , gateStates , result ) ;
/ / Transform the ingedients of the model
storm : : storage : : SparseMatrix < typename SparseModelType : : ValueType > matrix = transformMatrix ( originalModel . getTransitionMatrix ( ) , result ) ;
storm : : models : : sparse : : StateLabeling labeling ( matrix . getRowGroupCount ( ) ) ;
for ( auto const & label : originalModel . getStateLabeling ( ) . getLabels ( ) ) {
storm : : storage : : BitVector newBitVectorForLabel = transformStateBitVector ( originalModel . getStateLabeling ( ) . getStates ( label ) , result ) ;
if ( label = = " init " ) {
newBitVectorForLabel & = result . firstCopy ;
}
labeling . addLabel ( label , std : : move ( newBitVectorForLabel ) ) ;
}
std : : unordered_map < std : : string , typename SparseModelType : : RewardModelType > rewardModels ;
for ( auto const & rewardModel : originalModel . getRewardModels ( ) ) {
rewardModels . insert ( std : : make_pair ( rewardModel . first , transformRewardModel ( rewardModel . second , originalModel . getTransitionMatrix ( ) . getRowGroupIndices ( ) , result ) ) ) ;
}
boost : : optional < std : : vector < storm : : models : : sparse : : LabelSet > > choiceLabeling ;
if ( originalModel . hasChoiceLabeling ( ) ) {
choiceLabeling = transformActionValueVector < storm : : models : : sparse : : LabelSet > ( originalModel . getChoiceLabeling ( ) , originalModel . getTransitionMatrix ( ) . getRowGroupIndices ( ) , result ) ;
}
storm : : storage : : SparseMatrix < ValueType > matrix = transformMatrix ( originalModel . getTransitionMatrix ( ) , originalModel , gateStates , result ) ;
/ / TODO
result . model = std : : make_shared < SparseModelType > ( createTransformedModel ( originalModel , result , matrix , labeling , rewardModels , choiceLabeling ) ) ;
STORM_LOG_DEBUG ( " State duplicator is done. Resulting model has " < < result . model - > getNumberOfStates ( ) < < " states, where " < < result . firstCopy . getNumberOfSetBits ( ) < < " are in the first copy. " ) ;
return result ;
}
private :
static void initializeTransformation ( ModelType const & originalModel , storm : : storage : : BitVector const & gateStates , StateDuplicatorReturnType & result ) {
static void initializeTransformation ( Sparse ModelTypeconst & originalModel , storm : : storage : : BitVector const & gateStates , StateDuplicatorReturnType & result ) {
storm : : storage : : BitVector noStates ( originalModel . getNumberOfStates ( ) , false )
storm : : storage : : BitVector noStates ( originalModel . getNumberOfStates ( ) , false ) ;
/ / Get the states that are reachable without visiting a gateState
storm : : storage : : BitVector statesForFirstCopy = storm : : utility : : graph : : getReachableStates ( originalModel . getTransitionMatrix ( ) , originalModel . getInitialStates ( ) , ~ gateStates , noStates ) ;
@ -96,13 +95,13 @@ namespace storm {
result . reachableStates = statesForFirstCopy | statesForSecondCopy ;
uint_fast64_t numStates = statesForFirstCopy . getNumberOfSetBits ( ) + statesForSecondCopy . getNumberOfSetBits ( ) ;
result . firstCopy = statesForFirstCopy % reachableStates ; / / only consider reachable states
result . firstCopy = statesForFirstCopy % result . re achableStates ; / / only consider reachable states
result . firstCopy . resize ( numStates , false ) ; / / the new states do NOT belong to the first copy
result . secondCopy = ( statesForSecondCopy & ( ~ statesForFirstCopy ) ) % reachableStates ; / / only consider reachable states
result . secondCopy = ( statesForSecondCopy & ( ~ statesForFirstCopy ) ) % result . re achableStates ; / / only consider reachable states
result . secondCopy . resize ( numStates , true ) ; / / the new states DO belong to the second copy
result . gateStates = gateStates ;
gateStates . resize ( numStates , false ) ; / / there are no duplicated gateStates
STORM_LOG_ASSERT ( ( result . firstCopy ^ result . secondCopy ) . full ( ) ) , " firstCopy and secondCopy do not partition the state space. " ) ;
result . gateStates . resize ( numStates , false ) ; / / there are no duplicated gateStates
STORM_LOG_ASSERT ( ( result . firstCopy ^ result . secondCopy ) . full ( ) , " firstCopy and secondCopy do not partition the state space. " ) ;
/ / Get the state mappings .
/ / We initialize them with illegal values to assert that we don ' t get a valid
@ -111,7 +110,7 @@ namespace storm {
result . firstCopyOldToNewStateIndexMapping = std : : vector < uint_fast64_t > ( originalModel . getNumberOfStates ( ) , std : : numeric_limits < uint_fast64_t > : : max ( ) ) ;
result . secondCopyOldToNewStateIndexMapping = std : : vector < uint_fast64_t > ( originalModel . getNumberOfStates ( ) , std : : numeric_limits < uint_fast64_t > : : max ( ) ) ;
uint_fast64_t newState = 0 ;
for ( auto const & oldState : reachableStates ) {
for ( auto const & oldState : result . re achableStates ) {
result . newToOldStateIndexMapping [ newState ] = oldState ;
if ( statesForFirstCopy . get ( oldState ) ) {
result . firstCopyOldToNewStateIndexMapping [ oldState ] = newState ;
@ -125,11 +124,30 @@ namespace storm {
for ( auto const & oldState : result . duplicatedStates ) {
result . newToOldStateIndexMapping [ newState ] = oldState ;
result . secondCopyOldToNewStateIndexMapping [ oldState ] = newState ;
+ + newState
+ + newState ;
}
STORM_LOG_ASSERT ( newState = = numStates , " Unexpected state Indices " ) ;
}
template < typename ValueType = typename SparseModelType : : ValueType , typename RewardModelType = typename SparseModelType : : RewardModelType >
static typename std : : enable_if < std : : is_same < RewardModelType , storm : : models : : sparse : : StandardRewardModel < ValueType > > : : value , RewardModelType > : : type
transformRewardModel ( RewardModelType const & originalRewardModel , std : : vector < uint_fast64_t > const & originalRowGroupIndices , StateDuplicatorReturnType const & result ) {
boost : : optional < std : : vector < ValueType > > stateRewardVector ;
boost : : optional < std : : vector < ValueType > > stateActionRewardVector ;
boost : : optional < storm : : storage : : SparseMatrix < ValueType > > transitionRewardMatrix ;
if ( originalRewardModel . hasStateRewards ( ) ) {
stateRewardVector = transformStateValueVector ( originalRewardModel . getStateRewardVector ( ) , result ) ;
}
if ( originalRewardModel . hasStateActionRewards ( ) ) {
stateActionRewardVector = transformActionValueVector ( originalRewardModel . getStateActionRewardVector ( ) , originalRowGroupIndices , result ) ;
}
if ( originalRewardModel . hasTransitionRewards ( ) ) {
transitionRewardMatrix = transformMatrix ( originalRewardModel . getTransitionRewardMatrix ( ) , result ) ;
}
return RewardModelType ( std : : move ( stateRewardVector ) , std : : move ( stateActionRewardVector ) , std : : move ( transitionRewardMatrix ) ) ;
}
template < typename ValueType = typename SparseModelType : : ValueType >
static storm : : storage : : SparseMatrix < ValueType > transformMatrix ( storm : : storage : : SparseMatrix < ValueType > const & originalMatrix , StateDuplicatorReturnType const & result ) {
/ / Build the builder
uint_fast64_t numStates = result . newToOldStateIndexMapping . size ( ) ;
@ -137,7 +155,7 @@ namespace storm {
uint_fast64_t numEntries = 0 ;
for ( auto const & oldState : result . newToOldStateIndexMapping ) {
numRows + = originalMatrix . getRowGroupSize ( oldState ) ;
numEntries + = stateOccurrences * originalMatrix . getRowGroupEntryCount ( oldState ) ;
numEntries + = originalMatrix . getRowGroupEntryCount ( oldState ) ;
}
storm : : storage : : SparseMatrixBuilder < ValueType > builder ( numRows , numStates , numEntries , true , ! originalMatrix . hasTrivialRowGrouping ( ) , originalMatrix . hasTrivialRowGrouping ( ) ? 0 : numStates ) ;
@ -148,10 +166,14 @@ namespace storm {
builder . newRowGroup ( newRow ) ;
}
uint_fast64_t oldState = result . newToOldStateIndexMapping [ newState ] ;
const & correctOldToNewMapping = result . firstCopy . get ( newState ) ? result . firstCopyOldToNewStateIndexMapping : result . secondCopyOldToNewStateIndexMapping ;
for ( uint_fast64_t oldRow = originalMatrix . getRowGroupIndices ( ) [ oldState ] ; oldRow < originalMatrix . getRowGroupIndices ( ) [ oldState + 1 ] ; + + oldRow ) {
for ( auto const & entry : originalMatrix . getRow ( oldRow ) ) {
builder . addNextValue ( newRow , correctOldToNewMapping [ entry . getColumn ( ) ] , entry . getValue ( ) ) ;
if ( result . firstCopy . get ( newState ) & & ! result . gateStates . get ( entry . getColumn ( ) ) ) {
builder . addNextValue ( newRow , result . firstCopyOldToNewStateIndexMapping [ entry . getColumn ( ) ] , entry . getValue ( ) ) ;
} else {
builder . addNextValue ( newRow , result . secondCopyOldToNewStateIndexMapping [ entry . getColumn ( ) ] , entry . getValue ( ) ) ;
}
}
+ + newRow ;
}
@ -160,6 +182,8 @@ namespace storm {
return builder . build ( ) ;
}
template < typename ValueType = typename SparseModelType : : ValueType >
static std : : vector < ValueType > transformActionValueVector ( std : : vector < ValueType > const & originalVector , std : : vector < uint_fast64_t > const & originalRowGroupIndices , StateDuplicatorReturnType const & result ) {
uint_fast64_t numActions = 0 ;
for ( auto const & oldState : result . newToOldStateIndexMapping ) {
@ -168,7 +192,7 @@ namespace storm {
std : : vector < ValueType > v ;
v . reserve ( numActions ) ;
for ( auto const & oldState : result . newToOldStateIndexMapping ) {
for ( uint_fast64_t oldAction = originalRowGroupIndices ( ) [ oldState ] ; oldAction < originaRowGroupIndices ( ) [ oldState + 1 ] ; + + oldAction ) {
for ( uint_fast64_t oldAction = originalRowGroupIndices [ oldState ] ; oldAction < original RowGroupIndices [ oldState + 1 ] ; + + oldAction ) {
v . push_back ( originalVector [ oldAction ] ) ;
}
}
@ -176,14 +200,15 @@ namespace storm {
return v ;
}
template < typename ValueType = typename SparseModelType : : ValueType >
static std : : vector < ValueType > transformStateValueVector ( std : : vector < ValueType > const & originalVector , StateDuplicatorReturnType const & result ) {
uint_fast64_t numStates = result . newToOldStateIndexMapping . size ( ) ;
std : : vector < ValueType > v ;
result . reserve ( numStates ) ;
v . reserve ( numStates ) ;
for ( auto const & oldState : result . newToOldStateIndexMapping ) {
v . push_back ( originalVector [ oldState ] ) ;
}
STORM_LOG_ASSERT ( result . size ( ) = = numStates , " Unexpected vector size. " ) ;
STORM_LOG_ASSERT ( v . size ( ) = = numStates , " Unexpected vector size. " ) ;
return v ;
}
@ -198,7 +223,40 @@ namespace storm {
}
template < typename MT = SparseModelType >
static typename std : : enable_if <
std : : is_same < MT , storm : : models : : sparse : : Dtmc < typename SparseModelType : : ValueType > > : : value | |
std : : is_same < MT , storm : : models : : sparse : : Mdp < typename SparseModelType : : ValueType > > : : value | |
std : : is_same < MT , storm : : models : : sparse : : Ctmc < typename SparseModelType : : ValueType > > : : value ,
MT > : : type
createTransformedModel ( MT const & originalModel ,
StateDuplicatorReturnType & result ,
storm : : storage : : SparseMatrix < typename MT : : ValueType > & matrix ,
storm : : models : : sparse : : StateLabeling & stateLabeling ,
std : : unordered_map < std : : string ,
typename MT : : RewardModelType > & rewardModels ,
boost : : optional < std : : vector < typename storm : : models : : sparse : : LabelSet > > & choiceLabeling ) {
return MT ( std : : move ( matrix ) , std : : move ( stateLabeling ) , std : : move ( rewardModels ) , std : : move ( choiceLabeling ) ) ;
}
template < typename MT = SparseModelType >
static typename std : : enable_if <
std : : is_same < MT , storm : : models : : sparse : : MarkovAutomaton < typename SparseModelType : : ValueType > > : : value ,
MT > : : type
createTransformedModel ( MT const & originalModel ,
StateDuplicatorReturnType & result ,
storm : : storage : : SparseMatrix < typename MT : : ValueType > & matrix ,
storm : : models : : sparse : : StateLabeling & stateLabeling ,
std : : unordered_map < std : : string ,
typename MT : : RewardModelType > & rewardModels ,
boost : : optional < std : : vector < typename storm : : models : : sparse : : LabelSet > > & choiceLabeling ) {
storm : : storage : : BitVector markovianStates = transformStateBitVector ( originalModel . getMarkovianStates ( ) , result ) ;
std : : vector < typename MT : : ValueType > exitRates = transformStateValueVector ( originalModel . getExitRates ( ) , result ) ;
return MT ( std : : move ( matrix ) , std : : move ( stateLabeling ) , std : : move ( markovianStates ) , std : : move ( exitRates ) , true , std : : move ( rewardModels ) , std : : move ( choiceLabeling ) ) ;
}
} ;
}
}
# endif / / STORM_TRANSFORMER_STATEDUPLICATOR_H
TimQu
9 years ago