try restrict size of query failed error dialogs

Signed-off-by: Michael Leuschel <leuschel@uni-duesseldorf.de>

de.prob.core/src/de/prob/core/internal/AnimatorImpl.java

@@ -162,8 +162,12 @@ public class AnimatorImpl {
 			assert !(topnode instanceof ACallBackResult);
 
 			if (!(topnode instanceof AYesResult)) {
+			    if (query.length() > 400) {
+				  throw new ResultParserException("Prolog query failed - received " + topnode.getClass().getSimpleName() + " in response to query: " + query.substring(0, 400), null);
+				} else {
 				  throw new ResultParserException("Prolog query failed - received " + topnode.getClass().getSimpleName() + " in response to query: " + query, null);
 				}
+			}
 			bindings = BindingGenerator.createBinding(PrologTermGenerator.toPrologTerm(topnode));
 		} catch (ResultParserException e) {
 			Logger.notifyUser(e.getMessage(), e);