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Catch IOError when a query times out and retry correctly #3692

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merged 3 commits into from
Nov 2, 2023
Merged

Catch IOError when a query times out and retry correctly #3692

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f3b9af3
Catch IOError when a query times out and retry correctly
goodlyrottenapple Nov 1, 2023
76f796f
Merge branch 'master' into sam/smt-catch-cancelled
goodlyrottenapple Nov 1, 2023
281d021
Catch IOError when a query times out and retry correctly
goodlyrottenapple Nov 1, 2023
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7 changes: 6 additions & 1 deletion kore/src/Kore/Rewrite/SMT/Evaluator.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,9 @@ import Control.Error (
MaybeT (..),
runMaybeT,
)
import Control.Exception (IOException)
import Control.Lens qualified as Lens
import Control.Monad.Catch qualified as Exception
import Control.Monad.Counter qualified as Counter
import Control.Monad.Morph qualified as Morph
import Control.Monad.State.Strict qualified as State
Expand Down Expand Up @@ -186,7 +188,7 @@ decidePredicate onUnknown sideCondition predicates =
& runMaybeT
where
query :: MaybeT Simplifier Result
query = SMT.withSolver . evalTranslator $ do
query = onErrorUnknown $ SMT.withSolver . evalTranslator $ do
tools <- Simplifier.askMetadataTools
Morph.hoist SMT.liftSMT $ do
predicates' <-
Expand All @@ -196,6 +198,9 @@ decidePredicate onUnknown sideCondition predicates =
traverse_ SMT.assert predicates'
SMT.check >>= maybe empty return

onErrorUnknown action =
action `Exception.catch` \(_ :: IOException) -> pure Unknown

retry = retryWithScaledTimeout $ query <* debugRetrySolverQuery predicates

retryWithScaledTimeout :: MonadSMT m => m Result -> m Result
Expand Down
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