@ -45,7 +45,7 @@ namespace storm {
STORM_LOG_ASSERT ( this - > _producedChoices . is_initialized ( ) , " Trying to extract the produced scheduler but none is available. Was there a computation call before? " ) ;
STORM_LOG_ASSERT ( this - > _memoryTransitions . is_initialized ( ) , " Trying to extract the DA transition structure but none is available. Was there a computation call before? " ) ;
STORM_LOG_ASSERT ( this - > _memoryInitialStates . is_initialized ( ) , " Trying to extract the initial states of the DA but there are none available. Was there a computation call before? " ) ;
// todo STORM_LOG_ASSERT(this->_dontCareSates.is_initialized(), " Trying to extract the dontCare states of the Scheduler but there are none available. Was there a computation call before?");
STORM_LOG_ASSERT ( this - > _dontCareStates . is_initialized ( ) , " Trying to extract the dontCare states of the Scheduler but there are none available. Was there a computation call before? " ) ;
// Create a memory structure for the MDP scheduler with memory. If hasRelevantStates is set, we only consider initial model states relevant.
@ -88,15 +88,13 @@ namespace storm {
scheduler . setChoice ( choice . second , modelState , ( automatonState * ( _infSets . get ( ) . size ( ) + 1 ) ) + infSet ) ;
}
// todo Set don't care states
// Set " don't care" states
for ( uint_fast64_t memoryState = 0 ; memoryState < this - > _dontCareStates . get ( ) . size ( ) ; + + memoryState ) {
for ( auto state : this - > _dontCareStates . get ( ) [ memoryState ] ) {
scheduler . setDontCare ( state , memoryState ) ;
}
STORM_LOG_ASSERT ( scheduler . isChoiceSelected ( ~ _dontCareStates . get ( ) [ memoryState ] , memoryState ) , " choice missing " < < memoryState ) ;
}
// Sanity check for created scheduler.
STORM_LOG_ASSERT ( scheduler . isDeterministicScheduler ( ) , " Expected a deterministic scheduler " ) ;
STORM_LOG_ASSERT ( ! scheduler . isPartialScheduler ( ) , " Expected a fully defined scheduler " ) ;
@ -149,8 +147,7 @@ namespace storm {
}
for ( auto const & conjunction : dnf ) {
// determine the set of states of the subMDP that can satisfy the condition
// => remove all states that would violate Fins in the conjunction
// determine the set of states of the subMDP that can satisfy the condition, remove all states that would violate Fins in the conjunction
storm : : storage : : BitVector allowed ( transitionMatrix . getRowGroupCount ( ) , true ) ;
STORM_LOG_INFO ( " Handle conjunction " < < i ) ;
@ -310,7 +307,6 @@ namespace storm {
// Extract scheduler choices (only for states that are already assigned a scheduler, i.e are in another MEC)
for ( auto pState : newMecStates ) {
// We want to reach the InfSet, save choice: <s, q, InfSetID> ---> choice
// TODO internal mec choices and transform to _producedChoices at end of fct? want to remove product ptr
this - > _producedChoices . get ( ) . insert ( { std : : make_tuple ( product - > getModelState ( pState ) , product - > getAutomatonState ( pState ) , id ) , mecScheduler . getChoice ( pState ) } ) ;
}
}
@ -347,22 +343,63 @@ namespace storm {
}
template < typename ValueType , bool Nondeterministic >
void SparseLTLHelper < ValueType , Nondeterministic > : : createMemoryStructure ( uint_fast64_t numDaStates , transformer : : DAProductBuilder const & productBuilder , typename transformer : : DAProduct < productModelType > : : ptr product , storm : : storage : : BitVector const & acceptingProductStates , storm : : storage : : BitVector const & modelStatesOfInterest ) {
// Prepare the memory structure. For that, we need: transitions, initialMemoryStates (and memoryStateLabeling)
void SparseLTLHelper < ValueType , Nondeterministic > : : prepareScheduler ( uint_fast64_t numDaStates , storm : : storage : : BitVector const & acceptingProductStates , std : : unique_ptr < storm : : storage : : Scheduler < ValueType > > reachScheduler , transformer : : DAProductBuilder const & productBuilder , typename transformer : : DAProduct < productModelType > : : ptr product , storm : : storage : : BitVector const & modelStatesOfInterest ) {
STORM_LOG_ASSERT ( this - > _producedChoices . is_initialized ( ) , " Trying to extract the produced scheduler but none is available. Was there a computation call before? " ) ;
STORM_LOG_ASSERT ( this - > _infSets . is_initialized ( ) , " Was there a computation call before? " ) ;
STORM_LOG_ASSERT ( this - > _accInfSets . is_initialized ( ) , " Was there a computation call before? " ) ;
// Compute size of the resulting memory structure: a state corresponds to <q, infSet>> encoded as (q* (|infSets|+1))+infSet
//uint64 numMemoryStates = ((numDaStates-1) * (_infSets.get().size()+1)) + _infSets.get().size()+1; //+1 for states outside accECs
// Compute size of the resulting memory structure: A state <q, infSet> is encoded as (q* (|infSets|+1))+ |infSet|
uint64 numMemoryStates = ( numDaStates ) * ( _infSets . get ( ) . size ( ) + 1 ) ; //+1 for states outside accECs
STORM_LOG_INFO ( " INF SETS: " < < ( _infSets . get ( ) . size ( ) + 1 ) ) ;
STORM_LOG_INFO ( " INF SETS: " < < ( numDaStates ) ) ;
_dontCareStates . emplace ( numMemoryStates , storm : : storage : : BitVector ( this - > _transitionMatrix . getRowGroupCount ( ) , false ) ) ;
// The next move function of the memory, will be build based on the transitions of the DA and jumps between InfSets.
this - > _memoryTransitions . emplace ( numMemoryStates , std : : vector < storm : : storage : : BitVector > ( numMemoryStates , storm : : storage : : BitVector ( this - > _transitionMatrix . getRowGroupCount ( ) , false ) ) ) ;
// Set choices for states or consider them "dontCare"
for ( storm : : storage : : sparse : : state_type automatonState = 0 ; automatonState < numDaStates ; + + automatonState ) {
for ( storm : : storage : : sparse : : state_type modelState = 0 ; modelState < this - > _transitionMatrix . getRowGroupCount ( ) ; + + modelState ) {
if ( ! product - > isValidProductState ( modelState , automatonState ) ) {
// If the state <s,q> does not occur in the product model, all the infSet combinations are irrelevant for the scheduler.
for ( uint_fast64_t infSet = 0 ; infSet < _infSets . get ( ) . size ( ) + 1 ; + + infSet ) {
_dontCareStates . get ( ) [ automatonState * ( _infSets . get ( ) . size ( ) + 1 ) + infSet ] . set ( modelState , true ) ;
}
} else {
auto pState = product - > getProductStateIndex ( modelState , automatonState ) ;
if ( acceptingProductStates . get ( pState ) ) {
// For states in accepting ECs set the missing MEC-scheduler combinations are "dontCare", they are not reachable using the scheduler choices. //TODO is this correct?
for ( uint_fast64_t infSet = 0 ; infSet < _infSets . get ( ) . size ( ) + 1 ; + + infSet ) {
if ( _producedChoices . get ( ) . find ( std : : make_tuple ( product - > getModelState ( pState ) , product - > getAutomatonState ( pState ) , infSet ) ) = = _producedChoices . get ( ) . end ( ) ) {
_dontCareStates . get ( ) [ ( product - > getAutomatonState ( pState ) ) * ( _infSets . get ( ) . size ( ) + 1 ) + infSet ] . set ( product - > getModelState ( pState ) , true ) ;
}
}
} else {
// Extract the choices of the REACH-scheduler (choices to reach an acc. MEC) for the MDP-DA product: <s,q> -> choice. The memory structure corresponds to the "last" copy of the DA (_infSets.get().size()).
this - > _accInfSets . get ( ) [ pState ] = { _infSets . get ( ) . size ( ) } ;
if ( reachScheduler - > isDontCare ( pState ) ) {
// Mark the maybe States of the untilProbability scheduler as "dontCare"
_dontCareStates . get ( ) [ ( product - > getAutomatonState ( pState ) ) * ( _infSets . get ( ) . size ( ) + 1 ) + _infSets . get ( ) . size ( ) ] . set ( product - > getModelState ( pState ) , true ) ;
} else {
// Set choice For non-accepting states that are not in any accepting EC
this - > _producedChoices . get ( ) . insert ( { std : : make_tuple ( product - > getModelState ( pState ) , product - > getAutomatonState ( pState ) , _infSets . get ( ) . size ( ) ) , reachScheduler - > getChoice ( pState ) } ) ;
} ;
// All other InfSet combinations are unreachable (dontCare)
for ( uint_fast64_t infSet = 0 ; infSet < _infSets . get ( ) . size ( ) ; + + infSet ) {
_dontCareStates . get ( ) [ ( product - > getAutomatonState ( pState ) ) * ( _infSets . get ( ) . size ( ) + 1 ) + infSet ] . set ( product - > getModelState ( pState ) , true ) ;
}
}
}
}
}
// Prepare the memory structure. For that, we need: transitions, initialMemoryStates (and memoryStateLabeling)
// The next move function of the memory, will be build based on the transitions of the DA and jumps between InfSets.
_memoryTransitions . emplace ( numMemoryStates , std : : vector < storm : : storage : : BitVector > ( numMemoryStates , storm : : storage : : BitVector ( _transitionMatrix . getRowGroupCount ( ) , false ) ) ) ;
for ( storm : : storage : : sparse : : state_type automatonFrom = 0 ; automatonFrom < numDaStates ; + + automatonFrom ) {
for ( storm : : storage : : sparse : : state_type modelState = 0 ; modelState < this - > _transitionMatrix . getRowGroupCount ( ) ; + + modelState ) {
uint_fast64_t automatonTo = productBuilder . getSuccessor ( modelState , automatonFrom , modelState ) ; //TODO remove first parameter of getSuccessor
for ( storm : : storage : : sparse : : state_type modelState = 0 ; modelState < _transitionMatrix . getRowGroupCount ( ) ; + + modelState ) {
uint_fast64_t automatonTo = productBuilder . getSuccessor ( automatonFrom , modelState ) ;
if ( product - > isValidProductState ( modelState , automatonTo ) ) {
// Add the modelState to one outgoing transition of all states of the form <automatonFrom, InfSet> (Inf=lenInfSet equals not in MEC)
@ -377,7 +414,6 @@ namespace storm {
auto newInfSet = _accInfSets . get ( ) [ product - > getProductStateIndex ( modelState , automatonTo ) ] . get ( ) . begin ( ) ;
_memoryTransitions . get ( ) [ ( automatonFrom * ( _infSets . get ( ) . size ( ) + 1 ) ) + infSet ] [ ( automatonTo * ( _infSets . get ( ) . size ( ) + 1 ) ) + * newInfSet ] . set ( modelState ) ;
} else {
// Continue looking for any accepting EC (if we haven't reached one yet) or stay in the corresponding accepting EC, test whether we have reached the next infSet.
if ( infSet = = _infSets . get ( ) . size ( ) | | ! ( _infSets . get ( ) [ infSet ] . get ( product - > getProductStateIndex ( modelState , automatonTo ) ) ) ) {
@ -407,7 +443,6 @@ namespace storm {
// Finished creation of transitions.
// Find initial memory states
this - > _memoryInitialStates . emplace ( ) ;
this - > _memoryInitialStates - > resize ( this - > _transitionMatrix . getRowGroupCount ( ) ) ;
// Save for each relevant model state its initial memory state (get the s-successor q of q0)
@ -447,7 +482,7 @@ namespace storm {
if ( this - > hasRelevantStates ( ) ) {
statesOfInterest = this - > getRelevantStates ( ) ;
} else {
// p roduct from all model states
// P roduct from all model states
statesOfInterest = storm : : storage : : BitVector ( this - > _transitionMatrix . getRowGroupCount ( ) , true ) ;
}
@ -522,62 +557,7 @@ namespace storm {
prodNumericResult = std : : move ( prodCheckResult . values ) ;
if ( this - > isProduceSchedulerSet ( ) ) {
STORM_LOG_ASSERT ( this - > _producedChoices . is_initialized ( ) , " Trying to extract the produced scheduler but none is available. Was there a computation call before? " ) ;
STORM_LOG_ASSERT ( this - > _infSets . is_initialized ( ) , " Was there a computation call before? " ) ;
STORM_LOG_ASSERT ( this - > _accInfSets . is_initialized ( ) , " Was there a computation call before? " ) ;
// TODO fct
//_dontCareStates.emplace(((da.getNumberOfStates()-1) * (_infSets.get().size()+1)) + _infSets.get().size()+1, storm::storage::BitVector(this->_transitionMatrix.getRowGroupCount(), false));
_dontCareStates . emplace ( ( ( da . getNumberOfStates ( ) ) * ( _infSets . get ( ) . size ( ) + 1 ) ) , storm : : storage : : BitVector ( this - > _transitionMatrix . getRowGroupCount ( ) , false ) ) ;
// TODO optimize:
for ( storm : : storage : : sparse : : state_type automatonState = 0 ; automatonState < da . getNumberOfStates ( ) ; + + automatonState ) {
for ( storm : : storage : : sparse : : state_type modelState = 0 ; modelState < this - > _transitionMatrix . getRowGroupCount ( ) ; + + modelState ) {
if ( ! product - > isValidProductState ( modelState , automatonState ) ) {
for ( uint_fast64_t infSet = 0 ; infSet < _infSets . get ( ) . size ( ) + 1 ; + + infSet ) {
_dontCareStates . get ( ) [ automatonState * ( _infSets . get ( ) . size ( ) + 1 ) + infSet ] . set ( modelState , true ) ;
}
}
}
}
// and optimize dontCare below:
// Extract the choices of the REACH-scheduler (choices to reach an acc. MEC) for the MDP-DA product: <s,q> -> choice
for ( storm : : storage : : sparse : : state_type pState = 0 ; pState < product - > getProductModel ( ) . getTransitionMatrix ( ) . getRowGroupCount ( ) ; + + pState ) {
if ( acceptingStates . get ( pState ) ) {
// Set the undefined MEC-scheduler combinations to dontCare.
for ( uint_fast64_t infSet = 0 ; infSet < _infSets . get ( ) . size ( ) + 1 ; + + infSet ) { // TODO infset+1 too?
// todo If <s, q, infSet> is not in _mecProductChoices it is dont Care?
if ( _producedChoices . get ( ) . find ( std : : make_tuple ( product - > getModelState ( pState ) , product - > getAutomatonState ( pState ) , infSet ) ) = = _producedChoices . get ( ) . end ( ) ) {
_dontCareStates . get ( ) [ ( product - > getAutomatonState ( pState ) ) * ( _infSets . get ( ) . size ( ) + 1 ) + infSet ] . set ( product - > getModelState ( pState ) , true ) ;
}
}
} else {
// Set choice For non-accepting states that are not in any accepting EC
this - > _accInfSets . get ( ) [ pState ] = { _infSets . get ( ) . size ( ) } ;
if ( prodCheckResult . scheduler - > isDontCare ( pState ) ) {
_dontCareStates . get ( ) [ ( product - > getAutomatonState ( pState ) ) * ( _infSets . get ( ) . size ( ) + 1 ) + _infSets . get ( ) . size ( ) ] . set ( product - > getModelState ( pState ) , true ) ;
} else {
// For state <s,q> not in any accEC: <s,q, REACH> ---> choice.
// Use the 'last' copy of the DA
this - > _producedChoices . get ( ) . insert ( { std : : make_tuple ( product - > getModelState ( pState ) , product - > getAutomatonState ( pState ) , _infSets . get ( ) . size ( ) ) , prodCheckResult . scheduler - > getChoice ( pState ) } ) ;
} ;
// todo correct? nonMec state x infSet do not exist
for ( uint_fast64_t infSet = 0 ; infSet < _infSets . get ( ) . size ( ) ; + + infSet ) {
_dontCareStates . get ( ) [ ( product - > getAutomatonState ( pState ) ) * ( _infSets . get ( ) . size ( ) + 1 ) + infSet ] . set ( product - > getModelState ( pState ) , true ) ;
}
}
}
// todo extend by scheduler choices?
// todo extractSchedulerChoices()
createMemoryStructure ( da . getNumberOfStates ( ) , productBuilder , product , acceptingStates , statesOfInterest ) ;
prepareScheduler ( da . getNumberOfStates ( ) , acceptingStates , std : : move ( prodCheckResult . scheduler ) , productBuilder , product , statesOfInterest ) ;
}
} else {