diff -r 34d2cfb7761a -r 86d59b074abe cw3_marking/cw3_test.sh
--- a/cw3_marking/cw3_test.sh	Fri Sep 18 10:57:24 2026 +0100
+++ b/cw3_marking/cw3_test.sh	Fri Sep 18 10:58:01 2026 +0100
@@ -31,13 +31,17 @@
 
 function scala_assert {
   rm -rf /Users/cu/.ammonite/cache/3.*/* 2> /dev/null ;    
-  (ulimit -t 30; JAVA_OPTS="-Xmx1g -XX:MaxJavaStackTraceDepth=10" amm -s "$1" 1>> $out 2>> $out)
+  (ulimit -t 60; JAVA_OPTS="-Xmx1g -XX:MaxJavaStackTraceDepth=10" amm -s "$1" 1>> $out 2>> $out)
 }
 
 function scala_fail {
-  (ulimit -t 30; JAVA_OPTS="-Xmx1g -XX:MaxJavaStackTraceDepth=10" amm -s "$1" 1>> $out 2>> $out)
+  rm -rf /Users/cu/.ammonite/cache/3.*/* 2> /dev/null ;   
+  (ulimit -t 60; JAVA_OPTS="-Xmx1g -XX:MaxJavaStackTraceDepth=10" amm -s "$1" 1>> $out 2>> $out)
 }
 
+# remove @main
+gsed -i -e "s|@main||g" cw03.sc
+
 
 
 ### compilation test
@@ -61,13 +65,20 @@
 
 if [ $tsts -eq 0 ]
 then
-  echo -e "1) Parsing test with example files (does it raise an exception):\n" | tee -a $out
-  cat cw03.sc c3_add.sc > cw033_add.sc  
+  echo -e "1) Parsing test with example files (no exception is raised):\n" | tee -a $out
+  cat cw03.sc c3_add.sc > cw033_add.sc
+  START=$(date +%s)
   if (scala_assert "c3.sc")
   then
+      END=$(date +%s)
+      DIFF=$(( $END - $START ))
+      echo -e "  This test ran for $DIFF seconds" | tee -a $out
       echo -e "   --> success (+ 6.0 Marks)\n" | tee -a $out
       marks=$(( marks + 6.0 ))
   else
+      END=$(date +%s)
+      DIFF=$(( $END - $START ))
+      echo -e "  This test ran for $DIFF seconds" | tee -a $out
       echo -e "   --> FAILED\n" | tee -a $out
       #cat $out | tee -a $out
   fi
@@ -83,8 +94,8 @@
   cat c4_pre.sc cw03.sc c4_add.sc > cw034_add.sc  
   if (scala_assert "c4.sc")
   then
-      echo -e "   --> success (+ 2.0 Marks)\n" | tee -a $out
-      marks=$(( marks + 2.0 ))
+      echo -e "   --> success (+ 5.0 Marks)\n" | tee -a $out
+      marks=$(( marks + 5.0 ))
   else
       echo -e "   --> FAILED\n" | tee -a $out
       #cat $out | tee -a $out
@@ -103,8 +114,8 @@
     echo -e "\"\"\"\n" >> $out
     if (scala_assert "c5.sc")
     then
-	echo -e "   --> success (+ 2.0 Marks)\n" | tee -a $out
-	marks=$(( marks + 2.0 ))
+	echo -e "   --> success (+ 4.0 Marks)\n" | tee -a $out
+	marks=$(( marks + 4.0 ))
     else
 	echo -e "   --> FAILED\n" | tee -a $out
 	tail -25 $out | pr -to10