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|
{-# LANGUAGE ExplicitForAll #-}
{-# LANGUAGE MultiWayIf #-}
{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE TupleSections #-}
{-# LANGUAGE NoMonomorphismRestriction #-}
{-# LANGUAGE RankNTypes #-}
module Felix.Verification
( VerificationSession
, VerificationSessionError(..)
, withVerificationSession
, withVerificationSessionUsingStore
, CheckRequest(..)
, CheckOutcome(..)
, checkWorkspace
, StoreValidationMode(..)
, WorkPosition
, workPosition
, workPositionModuleOrdinal
, workPositionLocalRequestOrdinal
, VerificationRequestObserver
, verificationRequestObserver
, PreparedVerificationRequest
, SlowAtpOutcome(..)
, SlowAtpTask(..)
, SlowAtpReport(..)
, slowAtpOmittedTaskCount
, ProverAnswer
( CounterSatisfiable
, ContradictoryAxioms
, Uncertain
, Error
)
, pattern Yes
, VerificationResult(..)
, VerificationPresentation
, verificationHtmlPresentation
, ReportedEscapeKind(..)
, ReportedEscape(..)
, VerificationReport(..)
, VerificationDriverError(..)
, VerificationDriverErrorKind(..)
, verificationDriverErrorKind
, renderVerificationDriverError
, FailedVerification(..)
, VerificationFailureReason(..)
) where
import Base
import Checking.Declaration qualified as Declaration
import Checking.Foundation qualified as Foundation
import Checking.Identity qualified as Identity
import Checking.Module qualified as Typed
import Checking.Semantic qualified as Semantic
import Felix.Module (localDeclarationOrdinal)
import Felix.Parse (ParseWorkspaceError(..), ParsedSourceWorkspace)
import Felix.Parse qualified as Felix
import Felix.Prelude qualified as Prelude
import Felix.Provers
import Felix.Source
import Felix.Source.Graph (ResolvedSourceGraph)
import Felix.Store qualified as Store
import Render.Html.Export qualified as HtmlExport
import Report.Location
import Syntax.Abstract qualified as Raw
import Syntax.Interface qualified as Syntax
import Control.Exception qualified as Exception
import Control.Monad (unless)
import Data.Bifunctor (first)
import Data.IORef (atomicModifyIORef', newIORef)
import Data.List.NonEmpty qualified as NonEmpty
import Data.Map.Strict qualified as Map
import Data.Text qualified as Text
import Numeric.Natural (Natural)
import UnliftIO.Async qualified as Async
data VerificationResult
= VerificationCompleted
!VerificationReport
!VerificationPresentation
| CompletedWithExplicitGaps
!VerificationReport
!VerificationPresentation
| VerificationFailure !VerificationReport !FailedVerification
| VerificationCheckingFailure
!VerificationReport
!VerificationDriverError
deriving (Show)
-- | Strict owner-independent source presentation retained only after the
-- complete typed workspace succeeds.
data VerificationPresentation = VerificationPresentation
!HtmlExport.HtmlPresentation
instance Show VerificationPresentation where
show _presentation =
"VerificationPresentation <HTML presentation>"
verificationHtmlPresentation
:: VerificationPresentation
-> HtmlExport.HtmlPresentation
verificationHtmlPresentation (VerificationPresentation presentation) =
presentation
data ReportedEscapeKind
= ReportedSourceAxiom
| ReportedOmitted
deriving (Show, Eq)
data ReportedEscape = ReportedEscape
{ reportedEscapeKind :: !ReportedEscapeKind
, reportedEscapeLocation :: !Location
}
deriving (Show, Eq)
data VerificationReport = VerificationReport
{ verificationDirectEscapes :: ![ReportedEscape]
}
deriving (Show, Eq)
newtype VerificationRequestObserver = VerificationRequestObserver
{ observeVerificationRequest
:: WorkPosition
-> PreparedVerificationRequest
-> IO ()
}
verificationRequestObserver
:: (WorkPosition
-> PreparedVerificationRequest
-> IO ())
-> VerificationRequestObserver
verificationRequestObserver =
VerificationRequestObserver
data FailedVerification = FailedVerification
{ failedVerificationLocation :: !Location
, failedVerificationReason :: !VerificationFailureReason
}
deriving (Show)
data VerificationFailureReason
= CountermodelFailure !Text
| ContradictoryInputFailure !Text
| IndeterminateFailure !Text
| ProtocolFailure !Text !Text
| TransportFailure !ProverProcessError
deriving (Show)
verificationFailureReason
:: Either ProverProcessError ProverAnswer
-> Maybe VerificationFailureReason
verificationFailureReason = \case
Left processError ->
Just (TransportFailure processError)
Right Yes ->
Nothing
Right (CounterSatisfiable tptp) ->
Just (CountermodelFailure tptp)
Right (ContradictoryAxioms tptp) ->
Just (ContradictoryInputFailure tptp)
Right (Uncertain tptp) ->
Just (IndeterminateFailure tptp)
Right (Error taskLabel message) ->
Just (ProtocolFailure taskLabel message)
data VerificationDriverError
= VerificationWorkspaceError
!ParseWorkspaceError
| VerificationMissingImportedModule
!ResolvedSourceAddress
| VerificationMissingRootModule
!ResolvedSourceAddress
| VerificationFinalPreludeReadinessError
!Typed.FinalPreludeReadinessError
| VerificationTypedInputError
!ResolvedSource
!Typed.TypedModuleInputError
| VerificationTypedOpenError
!ResolvedSource
!Declaration.DriverOpenError
| VerificationTypedCachedModuleError
!ResolvedSource
!Typed.CachedTypedModuleError
| VerificationTypedModuleError
!ResolvedSource
!Typed.TypedModuleFailure
!Declaration.PendingModulePrefix
| VerificationValidationIntegrityError
!ResolvedSource
!Declaration.ValidationIntegrityError
| VerificationAdmittedViewError
!ResolvedSource
!AdmittedViewError
| VerificationParsedArtifactIntegrityError
!ResolvedSource
!Felix.ParsedArtifactIntegrityError
| VerificationStoreFailure !Store.StoreFailure
| VerificationModuleArtifactKeyError !Semantic.ModuleArtifactKeyError
| VerificationModuleSchedulerInvariant !Text
deriving (Show)
instance Exception.Exception VerificationDriverError
data VerificationDriverErrorKind
= VerificationSourceFailure
| VerificationInfrastructureFailure
deriving (Show, Eq)
verificationDriverErrorKind
:: VerificationDriverError
-> VerificationDriverErrorKind
verificationDriverErrorKind = \case
VerificationWorkspaceError{} -> VerificationSourceFailure
VerificationTypedInputError{} -> VerificationSourceFailure
VerificationTypedModuleError _source failure _prefix ->
case failure of
Typed.TypedActionFailed{} -> VerificationSourceFailure
_ -> VerificationInfrastructureFailure
VerificationMissingImportedModule{} -> VerificationInfrastructureFailure
VerificationMissingRootModule{} -> VerificationInfrastructureFailure
VerificationFinalPreludeReadinessError{} ->
VerificationInfrastructureFailure
VerificationTypedOpenError{} -> VerificationInfrastructureFailure
VerificationTypedCachedModuleError{} -> VerificationInfrastructureFailure
VerificationValidationIntegrityError{} ->
VerificationInfrastructureFailure
VerificationAdmittedViewError{} -> VerificationInfrastructureFailure
VerificationParsedArtifactIntegrityError{} ->
VerificationInfrastructureFailure
VerificationStoreFailure{} -> VerificationInfrastructureFailure
VerificationModuleArtifactKeyError{} ->
VerificationInfrastructureFailure
VerificationModuleSchedulerInvariant{} ->
VerificationInfrastructureFailure
renderVerificationDriverError :: VerificationDriverError -> Text
renderVerificationDriverError = \case
VerificationWorkspaceError failure ->
"Verification input failed: "
<> Felix.renderParseWorkspaceError failure
VerificationTypedInputError source failure ->
"Typed module input failed in "
<> resolvedSourceDisplay source
<> ": " <> Typed.renderTypedModuleInputError failure
VerificationTypedOpenError source failure ->
"Typed module startup failed in "
<> resolvedSourceDisplay source
<> ": " <> Declaration.renderDriverOpenError failure
VerificationTypedCachedModuleError source failure ->
"Cached typed module is invalid in "
<> resolvedSourceDisplay source
<> ": " <> Typed.renderCachedTypedModuleError failure
VerificationTypedModuleError source failure _prefix ->
"Typed module checking failed in "
<> resolvedSourceDisplay source
<> ": " <> Typed.renderTypedModuleFailure failure
VerificationValidationIntegrityError source failure ->
"Typed module validation store is inconsistent in "
<> resolvedSourceDisplay source
<> ": " <> Declaration.renderValidationIntegrityError failure
VerificationAdmittedViewError source failure ->
"Typed admitted-source association is inconsistent in "
<> resolvedSourceDisplay source
<> ": " <> Text.pack (show failure)
VerificationParsedArtifactIntegrityError source failure ->
"Parsed artifact is inconsistent in "
<> resolvedSourceDisplay source
<> ": " <> Text.pack (show failure)
VerificationStoreFailure failure ->
"Verification store failed: " <> Store.renderStoreFailure failure
VerificationModuleArtifactKeyError{} ->
"Typed module artifact inputs are inconsistent."
VerificationModuleSchedulerInvariant message ->
"Typed module scheduler invariant failed: " <> message
VerificationMissingImportedModule address ->
"Verification could not find checked imported module "
<> Text.pack (show address) <> "."
VerificationMissingRootModule address ->
"Verification could not find checked root module "
<> Text.pack (show address) <> "."
VerificationFinalPreludeReadinessError{} ->
"The packaged final prelude failed."
resolvedSourceDisplay :: ResolvedSource -> Text
resolvedSourceDisplay source =
sourceMountIdText (resolvedSourceMount source)
<> ":"
<> Text.pack (resolvedSourceLocationPath source)
data TypedWorkspaceOutcome
= TypedWorkspaceSucceeded
!AdmittedTypedWorkspace
| TypedWorkspaceRejected
!AdmittedTypedWorkspace
!TypedWorkspaceFailure
data TypedWorkspaceFailure
= TypedWorkspaceCheckingRejected !VerificationDriverError
| TypedWorkspaceProverRejected !FailedVerification
data ModuleTask = ModuleTask
{ moduleTaskOrdinal :: !Natural
, moduleTaskParsed :: !Felix.ParsedModule
, moduleTaskDirectAddresses :: ![ResolvedSourceAddress]
}
data ModuleCheckResult
= ModuleCheckSucceeded
!ResolvedSourceAddress
!Typed.SealedTypedModule
!AdmittedTypedModule
| ModuleCheckRejected
!AdmittedTypedModule
!TypedWorkspaceFailure
data ModuleFailureCandidate = ModuleFailureCandidate
!Natural
!AdmittedTypedModule
!TypedWorkspaceFailure
data AdmittedTypedDeclaration = AdmittedTypedDeclaration
!Semantic.DeclarationSlot
!Typed.TypedSourceDeclaration
newtype AdmittedTypedModule = AdmittedTypedModule
[AdmittedTypedDeclaration]
newtype AdmittedTypedWorkspace = AdmittedTypedWorkspace
[AdmittedTypedModule]
data AdmittedViewError
= AdmittedDeclarationCountMismatch
!Int
!Int
| AdmittedDeclarationSlotMismatch
![Semantic.DeclarationSlot]
![Semantic.DeclarationSlot]
deriving (Show, Eq)
completeAdmittedModule
:: Typed.IdentifiedModuleInput
-> AdmittedTypedModule
completeAdmittedModule input =
AdmittedTypedModule
(uncurry AdmittedTypedDeclaration <$> expectedDeclarations input)
checkedAdmittedModule
:: Bool
-> Typed.IdentifiedModuleInput
-> Declaration.PendingModulePrefix
-> Either AdmittedViewError AdmittedTypedModule
checkedAdmittedModule requireComplete input prefix = do
let expected = expectedDeclarations input
expectedSlots = fst <$> expected
actualSlots =
Declaration.committedBatchSlot
<$> Declaration.pendingModulePrefixBatches prefix
admittedCount = length actualSlots
if requireComplete
then unless
(admittedCount == length expected)
(Left
(AdmittedDeclarationCountMismatch
(length expected)
admittedCount))
else unless
(admittedCount <= length expected)
(Left
(AdmittedDeclarationCountMismatch
(length expected)
admittedCount))
unless
(actualSlots == take admittedCount expectedSlots)
(Left
(AdmittedDeclarationSlotMismatch
(take admittedCount expectedSlots)
actualSlots))
pure
(AdmittedTypedModule
[ AdmittedTypedDeclaration slot declaration
| (slot, declaration) <- take admittedCount expected
])
expectedDeclarations
:: Typed.IdentifiedModuleInput
-> [(Semantic.DeclarationSlot, Typed.TypedSourceDeclaration)]
expectedDeclarations input =
zipWith
(\ordinal declaration ->
( Semantic.declarationSlot
(Typed.identifiedModuleOwner input)
(localDeclarationOrdinal ordinal)
, declaration
))
[0..]
(Typed.typedSourceDeclarations
(Typed.identifiedModuleParsed input))
data StoreValidationMode
= FreshStoreValidation
| WarmStoreValidation
deriving (Show, Eq)
data VerificationSession = VerificationSession
!Foundation.CheckedFoundation
!Store.Store
data VerificationSessionError
= VerificationSessionFoundationError
!(NonEmpty Foundation.FoundationManifestError)
| VerificationSessionStoreError !Store.StoreLifecycleError
| VerificationSessionTheoryMismatch !Identity.TheoryId !Identity.TheoryId
deriving (Show)
withVerificationSession
:: Store.StoreLease
-> (VerificationSession -> IO value)
-> IO (Either VerificationSessionError value)
withVerificationSession lease action =
case Foundation.checkedFoundation of
Left failure ->
pure (Left (VerificationSessionFoundationError failure))
Right foundation -> do
opened <- Store.withOpenStore
lease
(Identity.theoryId foundation)
(\_startup store ->
action (VerificationSession foundation store))
pure (first VerificationSessionStoreError opened)
-- | Borrow an already-open store while preserving the session's
-- foundation/store identity invariant. The caller retains ownership of the
-- store lifetime; ordinary hosts should prefer 'withVerificationSession'.
withVerificationSessionUsingStore
:: Store.Store
-> (VerificationSession -> IO value)
-> IO (Either VerificationSessionError value)
withVerificationSessionUsingStore store action =
case Foundation.checkedFoundation of
Left failure ->
pure (Left (VerificationSessionFoundationError failure))
Right foundation ->
let expected = Identity.theoryId foundation
actual = Store.storeTheoryId store
in if expected == actual
then Right <$> action (VerificationSession foundation store)
else pure
(Left
(VerificationSessionTheoryMismatch expected actual))
data CheckRequest = CheckRequest
{ checkSourceGraph :: !ResolvedSourceGraph
, checkStoreValidationMode :: !StoreValidationMode
, checkEffectiveJobs :: !EffectiveJobs
, checkVampire :: !Vampire
, checkRequestObserver :: !VerificationRequestObserver
}
data CheckOutcome = CheckOutcome
{ checkVerificationResult :: !VerificationResult
, checkSlowAtpReport :: !SlowAtpReport
}
deriving (Show)
checkWorkspace
:: VerificationSession
-> CheckRequest
-> IO (Either VerificationDriverError CheckOutcome)
checkWorkspace session request =
Exception.try (checkWorkspaceThrowing session request)
checkWorkspaceThrowing
:: VerificationSession
-> CheckRequest
-> IO CheckOutcome
checkWorkspaceThrowing
(VerificationSession foundation store)
request = do
memo <- Store.newStoreMemo store
storeCoordinator <- Store.newStoreCoordinator
withVampireExecutor
(checkEffectiveJobs request)
(checkVampire request)
(observeVerificationRequest (checkRequestObserver request))
\executor -> do
prelude <- withVampireRequestOwner executor \owner -> do
preludeResolver <- typedVampireResolver owner 0
Typed.acquireFinalPreludeSession
memo store foundation preludeResolver
>>= either
(throwIO . VerificationFinalPreludeReadinessError)
pure
let preludeSyntax =
Typed.sealedTypedModuleSyntax
(Typed.finalPreludeModule prelude)
syntaxInputs _source = [preludeSyntax]
parsed <-
Felix.parseResolvedSourceGraphWithStoreAndSyntaxInputsAndGraphValidation
store
(checkSourceGraph request)
syntaxInputs
(Prelude.rejectOrdinaryPreludeSourceGraph
(Typed.finalPreludeSource prelude))
>>= either throwParseExecutionError pure
admittedResult <-
checkTypedWorkspace
memo
storeCoordinator
foundation
prelude
executor
(checkEffectiveJobs request)
(checkStoreValidationMode request)
parsed
store
slowReport <- vampireExecutorSlowAtpReport executor
let result =
case admittedResult of
TypedWorkspaceRejected admitted failure ->
let report = admittedWorkspaceReport admitted
in case failure of
TypedWorkspaceCheckingRejected checkingFailure ->
VerificationCheckingFailure
report checkingFailure
TypedWorkspaceProverRejected proverFailure ->
VerificationFailure report proverFailure
TypedWorkspaceSucceeded admitted ->
completedResult
(admittedWorkspaceReport admitted)
(VerificationPresentation
(HtmlExport.htmlPresentationFromParsedWorkspace
parsed))
pure (CheckOutcome result slowReport)
where
throwParseExecutionError = \case
Felix.ParseExecutionWorkspaceError failure ->
throwIO (VerificationWorkspaceError failure)
Felix.ParseExecutionStoreFailure failure ->
throwIO (VerificationStoreFailure failure)
Felix.ParseExecutionArtifactIntegrityFailure source failure ->
throwIO
(VerificationParsedArtifactIntegrityError source failure)
checkTypedWorkspace
:: Store.StoreMemo
-> Store.StoreCoordinator
-> Foundation.CheckedFoundation
-> Typed.FinalPreludeSession
-> VampireExecutor
-> EffectiveJobs
-> StoreValidationMode
-> ParsedSourceWorkspace
-> Store.Store
-> IO TypedWorkspaceOutcome
checkTypedWorkspace
memo
storeCoordinator
foundation
prelude
executor
selectedJobs
validationMode
workspace
store = do
let modules =
zipWith
makeTask
[1..]
(toList
(Felix.parsedWorkspaceImportedBeforeImporter workspace))
rootAddress =
Felix.parsedModuleAddress
(Felix.parsedWorkspaceRootModule workspace)
scheduleModules
rootAddress
modules
Map.empty
Map.empty
Map.empty
Nothing
where
workerBound = effectiveJobsValue selectedJobs
makeTask ordinal parsed =
ModuleTask
{ moduleTaskOrdinal = ordinal
, moduleTaskParsed = parsed
, moduleTaskDirectAddresses =
nubOrd
(Felix.parsedImportedAddress
<$> Felix.parsedModuleImports parsed)
}
scheduleModules
rootAddress
pending
running
sealedByAddress
admittedByOrdinal
candidate = do
(pending', running') <-
startReadyModules
pending
running
sealedByAddress
candidate
Exception.onException
(if Map.null running'
then case candidate of
Just selected
| any
(\task ->
moduleTaskOrdinal task
< candidateOrdinal selected)
pending' ->
throwIO
(VerificationModuleSchedulerInvariant
"an earlier module is not terminal")
| otherwise ->
pure
(TypedWorkspaceRejected
(admittedWorkspaceThrough
admittedByOrdinal
selected)
(candidateFailure selected))
Nothing
| null pending' -> do
unless
(Map.member rootAddress sealedByAddress)
(throwIO
(VerificationMissingRootModule
rootAddress))
pure
(TypedWorkspaceSucceeded
(completeAdmittedWorkspace
admittedByOrdinal))
| otherwise ->
throwIO
(VerificationModuleSchedulerInvariant
"no ready module and no running module")
else do
(_completedAsync, (ordinal, completed)) <-
Async.waitAny (Map.elems running')
let runningWithoutCompleted =
Map.delete ordinal running'
case completed of
Left fatal -> do
cancelModuleCheckers runningWithoutCompleted
Exception.throwIO fatal
Right (ModuleCheckSucceeded
address sealed admittedModule) ->
scheduleModules
rootAddress
pending'
runningWithoutCompleted
(Map.insert address sealed sealedByAddress)
(Map.insert
ordinal
admittedModule
admittedByOrdinal)
candidate
Right (ModuleCheckRejected
admittedModule failure) -> do
let selected =
chooseEarlierFailure
candidate
(ModuleFailureCandidate
ordinal
admittedModule
failure)
cutoff = candidateOrdinal selected
(later, retained) =
Map.partitionWithKey
(\runningOrdinal _async ->
runningOrdinal > cutoff)
runningWithoutCompleted
cancelModuleCheckers later
scheduleModules
rootAddress
pending'
retained
sealedByAddress
admittedByOrdinal
(Just selected)
)
(cancelModuleCheckers running')
startReadyModules
pending
running
sealedByAddress
candidate
| Map.size running >= workerBound =
pure (pending, running)
| otherwise =
case extractFirstReady candidate sealedByAddress pending of
Nothing ->
pure (pending, running)
Just (task, remaining) -> do
checker <- Async.async do
completed <-
(Exception.try
(checkModule task sealedByAddress)
:: IO
(Either
Exception.SomeException
ModuleCheckResult))
pure (moduleTaskOrdinal task, completed)
startReadyModules
remaining
(Map.insert
(moduleTaskOrdinal task)
checker
running)
sealedByAddress
candidate
checkModule task sealedByAddress =
withVampireRequestOwner executor \requestOwner -> do
let parsed = moduleTaskParsed task
source = Felix.parsedModuleResolved parsed
address = Felix.parsedModuleAddress parsed
direct <-
traverse
(\directAddress ->
maybe
(throwIO
(VerificationMissingImportedModule
directAddress))
pure
(Map.lookup directAddress sealedByAddress))
(moduleTaskDirectAddresses task)
resolver <-
typedVampireResolver
requestOwner
(moduleTaskOrdinal task)
input <-
either
(throwIO . VerificationTypedInputError source)
pure
(Typed.typedModuleInput
foundation
(Typed.finalPreludeReadiness prelude)
resolver
validationRun
parsed
direct)
loadCachedModule parsed direct >>= \case
Just sealed -> do
pure
(ModuleCheckSucceeded
address
sealed
(completeAdmittedModule
(Typed.identifiedPhysicalModule parsed)))
Nothing -> do
typedResult <-
Exception.catch
(Typed.runTypedModule input)
(\failure ->
throwIO
(VerificationValidationIntegrityError
source
failure))
case typedResult of
Typed.TypedModuleOpenFailed err ->
throwIO (VerificationTypedOpenError source err)
Typed.TypedModuleFailed err prefix -> do
let driverFailure =
VerificationTypedModuleError
source err prefix
case classifyTypedModuleFailure err of
TypedIntegrityFailure ->
throwIO driverFailure
TypedCheckingRejection ->
reportFailure
parsed
prefix
(TypedWorkspaceCheckingRejected
driverFailure)
TypedVerificationRejection failed ->
reportFailure
parsed
prefix
(TypedWorkspaceProverRejected failed)
TypedProverFailure failed ->
reportFailure
parsed
prefix
(TypedWorkspaceProverRejected failed)
Typed.TypedModuleSucceeded sealed -> do
admittedModule <-
either
(throwIO
. VerificationAdmittedViewError source)
pure
(checkedAdmittedModule
True
(Typed.identifiedPhysicalModule parsed)
(Typed.sealedTypedModulePrefix sealed))
persistSealed
(Typed.identifiedPhysicalModule parsed)
sealed
pure
(ModuleCheckSucceeded
address sealed admittedModule)
reportFailure parsed prefix failure = do
let source = Felix.parsedModuleResolved parsed
admittedModule <-
either
(throwIO . VerificationAdmittedViewError source)
pure
(checkedAdmittedModule
False
(Typed.identifiedPhysicalModule parsed)
prefix)
Store.withStoreCoordinator storeCoordinator
(Store.writePendingModulePrefix store prefix)
>>= either
(throwIO . VerificationStoreFailure)
pure
pure (ModuleCheckRejected admittedModule failure)
storeValidationLookup lookupStore =
Declaration.validationLookup
(\key ->
Store.withStoreCoordinator storeCoordinator
(Store.loadProofValidation lookupStore key)
>>= either
(throwIO . VerificationStoreFailure)
pure)
(\key ->
Store.withStoreCoordinator storeCoordinator
(Store.loadDeclarationValidation lookupStore key)
>>= either
(throwIO . VerificationStoreFailure)
pure)
validationRun =
case validationMode of
FreshStoreValidation ->
Declaration.FreshValidation
WarmStoreValidation ->
Declaration.WarmValidation
(storeValidationLookup store)
persistSealed input sealed = do
artifactKey <-
either
(throwIO . VerificationModuleArtifactKeyError)
pure
(Semantic.moduleArtifactKey
(Typed.identifiedModuleOwner input)
(Felix.identifiedParsedModuleId
(Typed.identifiedModuleParsed input))
(Semantic.semanticInterfaceDirectInputs
(Typed.sealedTypedModuleSemantic sealed))
(Identity.theoryId foundation))
let artifact =
Semantic.moduleArtifactResult
artifactKey
(Syntax.moduleSyntaxAssertedId
(Typed.sealedTypedModuleSyntax sealed))
(Semantic.semanticInterfaceAssertedId
(Typed.sealedTypedModuleSemantic sealed))
acknowledged <-
Store.withStoreCoordinator storeCoordinator
(Store.writeSealedModule
store
(Typed.sealedTypedModulePrefix sealed)
[Typed.sealedTypedModuleSyntax sealed]
[Typed.sealedTypedModuleSemantic sealed]
artifact)
>>= either
(throwIO . VerificationStoreFailure)
pure
unless
(acknowledged == artifact)
(throwIO
(VerificationStoreFailure
Store.StoreModuleArtifactIdMismatch))
loadCachedModule parsed direct =
case validationMode of
WarmStoreValidation -> do
let owner =
Typed.identifiedModuleOwner
(Typed.identifiedPhysicalModule parsed)
directSemantic =
Semantic.semanticInterfaceAssertedId
(Typed.sealedTypedModuleSemantic
(Typed.finalPreludeModule prelude))
: ( Semantic.semanticInterfaceAssertedId
. Typed.sealedTypedModuleSemantic
<$> direct
)
artifactKey <-
either
(throwIO . VerificationModuleArtifactKeyError)
pure
(Semantic.moduleArtifactKey
owner
(Felix.identifiedParsedModuleId
(Typed.identifiedModuleParsed
(Typed.identifiedPhysicalModule parsed)))
directSemantic
(Identity.theoryId foundation))
loaded <-
Store.withStoreCoordinator storeCoordinator
(Store.loadCachedModuleInstallation
memo
store
artifactKey
(Syntax.moduleSyntaxAssertedId
(Felix.parsedModuleSyntaxInterface parsed)))
case loaded of
Left failure ->
throwIO (VerificationStoreFailure failure)
Right Nothing ->
pure Nothing
Right (Just installation) ->
either
(throwIO
. VerificationTypedCachedModuleError
(Felix.parsedModuleResolved parsed))
(pure . Just)
(Typed.cachedSealedTypedModule
foundation
(Typed.finalPreludeModule prelude : direct)
installation)
FreshStoreValidation ->
pure Nothing
taskMayStart candidate sealedByAddress task =
maybe True
(moduleTaskOrdinal task <)
(candidateOrdinal <$> candidate)
&& all
(`Map.member` sealedByAddress)
(moduleTaskDirectAddresses task)
extractFirstReady candidate sealedByAddress = go []
where
go _before [] = Nothing
go before (task : after)
| taskMayStart candidate sealedByAddress task =
Just (task, reverse before <> after)
| otherwise =
go (task : before) after
chooseEarlierFailure Nothing incoming = incoming
chooseEarlierFailure (Just current) incoming
| candidateOrdinal incoming < candidateOrdinal current = incoming
| otherwise = current
candidateOrdinal (ModuleFailureCandidate ordinal _admitted _failure) =
ordinal
candidateFailure (ModuleFailureCandidate _ordinal _admitted failure) =
failure
candidateAdmitted (ModuleFailureCandidate _ordinal admitted _failure) =
admitted
completeAdmittedWorkspace admittedByOrdinal =
AdmittedTypedWorkspace
( completeAdmittedModule (Typed.finalPreludeInput prelude)
: fmap snd (Map.toAscList admittedByOrdinal)
)
admittedWorkspaceThrough admittedByOrdinal selected =
let cutoff = candidateOrdinal selected
earlier = Map.filterWithKey
(\ordinal _admitted -> ordinal < cutoff)
admittedByOrdinal
in AdmittedTypedWorkspace
( completeAdmittedModule (Typed.finalPreludeInput prelude)
: ( fmap snd (Map.toAscList earlier)
<> [candidateAdmitted selected]
)
)
cancelModuleCheckers running = do
traverse_ Async.cancel (Map.elems running)
traverse_ Async.waitCatch (Map.elems running)
data TypedFailureClassification
= TypedCheckingRejection
| TypedVerificationRejection !FailedVerification
| TypedProverFailure !FailedVerification
| TypedIntegrityFailure
-- | Classify failures at the typed checking boundary conservatively.
--
-- Only source elaboration and recognized prover outcomes may retain an
-- admitted source report. Every declaration/sealing invariant, including a
-- future constructor not explicitly recognized below, remains fatal.
classifyTypedModuleFailure
:: Typed.TypedModuleFailure
-> TypedFailureClassification
classifyTypedModuleFailure = \case
Typed.TypedActionFailed{} ->
TypedCheckingRejection
Typed.TypedDeclarationFailed
(Declaration.ProofObligationFailedAt
location
(Declaration.VampireProcessFailed processError)) ->
classifyTypedProverResult location (Left processError)
Typed.TypedDeclarationFailed
(Declaration.ProofObligationFailedAt
location
(Declaration.VampireObligationRejected answer)) ->
classifyTypedProverResult location (Right answer)
_failure ->
TypedIntegrityFailure
classifyTypedProverResult
:: Location
-> Either ProverProcessError ProverAnswer
-> TypedFailureClassification
classifyTypedProverResult location result =
case verificationFailureReason result of
Nothing ->
TypedIntegrityFailure
Just reason ->
let failed = FailedVerification location reason
in case reason of
CountermodelFailure{} ->
TypedVerificationRejection failed
ContradictoryInputFailure{} ->
TypedVerificationRejection failed
IndeterminateFailure{} ->
TypedProverFailure failed
ProtocolFailure{} ->
TypedProverFailure failed
TransportFailure{} ->
TypedProverFailure failed
typedVampireResolver
:: VampireRequestOwner
-> Natural
-> IO Declaration.VampireResolver
typedVampireResolver
requestOwner moduleOrdinal = do
localOrdinalRef <- newIORef 1
let reserve requests = do
let batchSize = NonEmpty.length requests
ordinalCount = fromIntegral batchSize
firstOrdinal <- atomicModifyIORef' localOrdinalRef
(\current -> (current + ordinalCount, current))
let positions =
NonEmpty.fromList
[ workPosition moduleOrdinal ordinal
| ordinal <-
[firstOrdinal .. firstOrdinal + ordinalCount - 1]
]
pure positions
submit requests = do
positions <- reserve requests
traverse
(\(position, Declaration.VampireSubmission location request) ->
submitVampireRequest
requestOwner position location request)
(NonEmpty.zip positions requests)
pure (Declaration.vampireSubmissionResolver submit)
admittedWorkspaceReport
:: AdmittedTypedWorkspace
-> VerificationReport
admittedWorkspaceReport (AdmittedTypedWorkspace modules) =
VerificationReport
{ verificationDirectEscapes =
concatMap admittedModuleEscapes modules
}
admittedModuleEscapes
:: AdmittedTypedModule
-> [ReportedEscape]
admittedModuleEscapes (AdmittedTypedModule declarations) =
concatMap admittedDeclarationEscapes declarations
admittedDeclarationEscapes
:: AdmittedTypedDeclaration
-> [ReportedEscape]
admittedDeclarationEscapes
(AdmittedTypedDeclaration _slot declaration) =
axiomEscape <> proofEscapes
where
axiomEscape =
case Typed.typedSourceDeclarationHead declaration of
Raw.BlockAxiom location _title _marker _axiom ->
[ReportedEscape ReportedSourceAxiom location]
_ ->
[]
proofEscapes =
maybe [] omittedProofEscapes
(Typed.typedSourceDeclarationProof declaration)
omittedProofEscapes :: Raw.Proof -> [ReportedEscape]
omittedProofEscapes = \case
Raw.Omitted location ->
[ReportedEscape ReportedOmitted location]
Raw.Qed{} ->
[]
Raw.Contradiction{} ->
[]
Raw.ByCase _location cases ->
concatMap (omittedProofEscapes . Raw.caseProof) cases
Raw.ByContradiction _location proof ->
omittedProofEscapes proof
Raw.BySetInduction _location _term proof ->
omittedProofEscapes proof
Raw.ByOrdInduction _location proof ->
omittedProofEscapes proof
Raw.Assume _location _statement proof ->
omittedProofEscapes proof
Raw.FixSymbolic _location _variables _bound proof ->
omittedProofEscapes proof
Raw.FixSuchThat _location _variables _statement proof ->
omittedProofEscapes proof
Raw.Calc _location _quantifier _calculation proof ->
omittedProofEscapes proof
Raw.TakeVar _location _variables _bound _statement _justification proof ->
omittedProofEscapes proof
Raw.TakeNoun _location _noun _justification proof ->
omittedProofEscapes proof
Raw.Have _location _condition _statement _justification proof ->
omittedProofEscapes proof
Raw.Suffices _location _statement _justification proof ->
omittedProofEscapes proof
Raw.Subclaim _location _statement subproof continuation ->
omittedProofEscapes subproof <> omittedProofEscapes continuation
Raw.Define _location _variable _expression proof ->
omittedProofEscapes proof
Raw.DefineFunction
_location _function _argument _value _domainVariable _domain
proof ->
omittedProofEscapes proof
Raw.DefineFunctionLocal
_location _function _argument _domain _target _ruleVariable
_rules proof ->
omittedProofEscapes proof
completedResult
:: VerificationReport
-> VerificationPresentation
-> VerificationResult
completedResult report presentation
| any ((== ReportedOmitted) . reportedEscapeKind)
(verificationDirectEscapes report) =
CompletedWithExplicitGaps report presentation
| otherwise =
VerificationCompleted report presentation
|
