Add -l EquationWarnings and warning context in Booster (#3937)

Fixes #3927

This PR disables the display of the three equation-related warning in
Booster by default. They can be re-enabled by the flag `-l
EquationWarnings`, which is a shorthand to the context expression
`--log-context booster>(simplification *|function *)>warning`.

---------

Co-authored-by: rv-jenkins <[email protected]>

Author: geo2a

booster/library/Booster/CLOptions.hs

@@ -232,6 +232,10 @@ allowedLogLevels =
     , ("Depth", "Log the current depth of the state")
     , ("SMT", "Log the SMT-solver interactions")
     , ("ErrorDetails", "Log error conditions with extensive details")
+    ,
+        ( "EquationWarnings"
+        , "Log warnings indicating soft-violations of conditions, i.e. exceeding the equation recursion/iteration limit "
+        )
     ]
 
 levelToContext :: Map Text [ContextFilter]
@@ -279,6 +283,12 @@ levelToContext =
                 , [ctxt| booster>failure,abort |]
                 ]
             )
+        ,
+            ( "EquationWarnings"
+            ,
+                [ [ctxt| booster>(simplification *|function *)>warning |]
+                ]
+            )
         ]
 
 -- Partition provided log levels into standard and custom ones, and

booster/library/Booster/Pattern/ApplyEquations.hs

@@ -232,8 +232,8 @@ fromCache tag t = eqState $ Map.lookup t <$> gets (select tag . (.cache))
 
 logWarn :: LoggerMIO m => Text -> m ()
 logWarn msg =
-    logMessage' $
-        msg <> " For more details, enable full context logging '--log-context \"*\"'"
+    withContext "warning" $
+        logMessage msg
 
 checkForLoop :: LoggerMIO io => Term -> EquationT io ()
 checkForLoop t = do