diff --git a/test-generator/DSA.hs b/test-generator/DSA.hs
index 595db29..4e8d09b 100644
--- a/test-generator/DSA.hs
+++ b/test-generator/DSA.hs
@@ -11,11 +11,9 @@ import Data.ByteString.Lazy(ByteString)
 import qualified Data.ByteString.Lazy as BSL
 import qualified Data.Map.Strict as Map
 import Math(showX,showBin)
-import Task(Task(..),Test)
+import Task(Task(..),liftTest)
 import Utils(HashAlg(..),generateHash,showHash)
 
-import Debug.Trace
-
 dsaSizes :: [(ParameterSizes, Int)]
 dsaSizes = [(L1024_N160, 400),
             (L2048_N224, 100),
@@ -38,27 +36,26 @@ signTest :: ParameterSizes -> Int -> Task
 signTest sz cnt = Task {
     taskName = "DSA " ++ show sz ++ " signing",
     taskFile = "../testdata/dsa/sign" ++ showParam sz ++ ".test",
-    taskTest = go,
+    taskTest = liftTest go,
     taskCount = cnt
   }
  where
-  go :: Test
   go (memory, drg0) =
     case generateProbablePrimes sz drg0 sha256 Nothing of
-      Left _ -> trace "generate primes" $ goAdvance memory drg0
+      Left _ -> goAdvance memory drg0
       Right (p, q, _, drg1) ->
         case generateUnverifiableGenerator p q of
-          Nothing -> trace "generate g" $ goAdvance memory drg1
+          Nothing -> goAdvance memory drg1
           Just g ->
             let params = Params p g q
             in case generateKeyPairWithParams params drg1 of
-                 Left _ -> trace "generate key" $ goAdvance memory drg1
+                 Left _ -> goAdvance memory drg1
                  Right (pub, priv, drg2) ->
                    let (msg, drg3) = withDRG drg2 $ getRandomBytes =<< ((fromIntegral . BS.head) `fmap` getRandomBytes 1)
                        (hashf, drg4) = withDRG drg3 generateHash
                    in case signMessage' (translateHash hashf) kViaRFC6979 drg4 priv (BSL.fromStrict msg) of
                         Left _ ->
-                          trace "sign failure" $ go (memory, drg4)
+                          go (memory, drg4)
                         Right (sig, drg5) ->
                           let res = Map.fromList [("p", showX p),
                                                   ("q", showX q),
diff --git a/test-generator/ECDSATesting.hs b/test-generator/ECDSATesting.hs
index 5b1f16d..6955f74 100644
--- a/test-generator/ECDSATesting.hs
+++ b/test-generator/ECDSATesting.hs
@@ -15,7 +15,7 @@ import qualified Data.ByteString as S
 import qualified Data.Map.Strict as Map
 import Math(showX,showBin)
 import RFC6979(generateKStream)
-import Task(Task(..))
+import Task(Task(..),liftTest)
 import Utils(HashAlg(..),generateHash,runHash,showHash)
 
 curves :: [(String, Curve)]
@@ -29,7 +29,7 @@ negateTest :: String -> Curve -> Task
 negateTest name curve = Task {
     taskName = name ++ " point negation",
     taskFile = "../testdata/ecc/negate/" ++ name ++ ".test",
-    taskTest = go,
+    taskTest = liftTest go,
     taskCount = 1000
 }
  where
@@ -49,7 +49,7 @@ doubleTest :: String -> Curve -> Task
 doubleTest name curve = Task {
     taskName = name ++ " point doubling",
     taskFile = "../testdata/ecc/double/" ++ name ++ ".test",
-    taskTest = go,
+    taskTest = liftTest go,
     taskCount = 1000
 }
  where
@@ -69,7 +69,7 @@ addTest :: String -> Curve -> Task
 addTest name curve = Task {
     taskName = name ++ " point addition",
     taskFile = "../testdata/ecc/add/" ++ name ++ ".test",
-    taskTest = go,
+    taskTest = liftTest go,
     taskCount = 1000
 }
  where
@@ -92,7 +92,7 @@ scaleTest :: String -> Curve -> Task
 scaleTest name curve = Task {
     taskName = name ++ " point scaling",
     taskFile = "../testdata/ecc/scale/" ++ name ++ ".test",
-    taskTest = go,
+    taskTest = liftTest go,
     taskCount = 1000
 }
  where
@@ -117,7 +117,7 @@ addScaleTest :: String -> Curve -> Task
 addScaleTest name curve = Task {
     taskName = name ++ " point addition of two scalings",
     taskFile = "../testdata/ecc/add_scale2/" ++ name ++ ".test",
-    taskTest = go,
+    taskTest = liftTest go,
     taskCount = 1000
 }
  where
@@ -144,7 +144,7 @@ signTest :: String -> Curve -> Task
 signTest name curve = Task {
     taskName = name ++ " curve signing",
     taskFile = "../testdata/ecc/sign/" ++ name ++ ".test",
-    taskTest = go,
+    taskTest = liftTest go,
     taskCount = 1000
 }
  where
diff --git a/test-generator/RFC6979.hs b/test-generator/RFC6979.hs
index 2d4e7cc..160daa3 100644
--- a/test-generator/RFC6979.hs
+++ b/test-generator/RFC6979.hs
@@ -15,7 +15,7 @@ import qualified Data.ByteString as S
 import Data.Char(toUpper)
 import qualified Data.Map.Strict as Map
 import Math(showBin,showX)
-import Task(Task(..))
+import Task(Task(..),liftTest)
 import Utils(HashAlg(..), runHash)
 
 
@@ -88,7 +88,7 @@ rfc6979Test :: HashAlg -> Task
 rfc6979Test alg = Task {
     taskName = name ++ " RFC 6979 deterministic k-generation",
     taskFile = "../testdata/rfc6979/" ++ name ++ ".test",
-    taskTest = go,
+    taskTest = liftTest go,
     taskCount = 1000
 }
  where
diff --git a/test-generator/RSA.hs b/test-generator/RSA.hs
index 38775f8..0785ad4 100644
--- a/test-generator/RSA.hs
+++ b/test-generator/RSA.hs
@@ -18,7 +18,7 @@ import Data.Maybe(fromMaybe,isJust)
 import Data.Word(Word8)
 import Database(Database)
 import Math(barrett,computeK,showX,showBin)
-import Task(Task(..))
+import Task(Task(..),liftTest)
 import Utils(HashAlg(..),generateHash,showHash)
 
 rsaSizes :: [(Int, Int)]
@@ -40,7 +40,7 @@ signTest :: Int -> Int -> Task
 signTest sz cnt = Task {
     taskName = "RSA " ++ show sz ++ " signing",
     taskFile = "../testdata/rsa/sign" ++ show sz ++ ".test",
-    taskTest = go,
+    taskTest = liftTest go,
     taskCount = cnt
   }
  where
@@ -78,7 +78,7 @@ encryptTest :: Int -> Int -> Task
 encryptTest sz cnt = Task {
     taskName = "RSA " ++ show sz ++ " encryption",
     taskFile = "../testdata/rsa/encrypt" ++ show sz ++ ".test",
-    taskTest = go,
+    taskTest = liftTest go,
     taskCount = cnt
   }
  where
diff --git a/test-generator/Task.hs b/test-generator/Task.hs
index aa4c3fc..bc679e4 100644
--- a/test-generator/Task.hs
+++ b/test-generator/Task.hs
@@ -2,7 +2,8 @@
 module Task(
          Test,
          Task(..),
-         runTask
+         runTask,
+         liftTest
        )
  where
 
@@ -15,7 +16,7 @@ import              System.Directory(createDirectoryIfMissing,doesFileExist)
 import              System.FilePath(takeDirectory)
 import              System.IO(Handle,IOMode(..),hPutStrLn,withFile)
 
-type Test = Database -> (Map.Map String String, Integer, Database)
+type Test = Database -> IO (Map.Map String String, Integer, Database)
 
 data Task = Task {
     taskName  :: String,
@@ -24,6 +25,10 @@ data Task = Task {
     taskCount :: Int
 }
 
+liftTest :: (Database -> (Map.Map String String, Integer, Database)) ->
+            (Database -> IO (Map.Map String String, Integer, Database))
+liftTest f db = return (f db)
+
 runTask :: SystemRandom -> Task -> IO SystemRandom
 runTask gen task =
   do createDirectoryIfMissing True (takeDirectory (taskFile task))
@@ -40,8 +45,8 @@ runTask gen task =
  where
   writer :: Handle -> ProgressBar -> Test -> Database -> Int -> IO Database
   writer hndl pg runner db x =
-    do let (output, key, acc@(db',gen')) = runner db
-           before = Map.findWithDefault [] "RESULT" db'
+    do (output, key, acc@(db',gen')) <- runner db
+       let before = Map.findWithDefault [] "RESULT" db'
        if length (filter (== key) before) >= 10
           then writer hndl pg runner acc x
           else do forM_ (Map.toList output) $ \ (outkey, val) ->