diff -r 7acbef680bef -r f5c0749858fd core_marking1/collatz_test.sh
--- a/core_marking1/collatz_test.sh	Sun Jan 15 10:58:13 2023 +0000
+++ b/core_marking1/collatz_test.sh	Sat Mar 11 22:01:53 2023 +0000
@@ -25,13 +25,13 @@
 # compilation tests
 
 function scala_compile {
-  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -Xprint:parser "$1" 2> c$out 1> c$out)
+  (JAVA_OPTS="-Xmx1g" scala -Xprint:parser "$1" 2> c$out 1> c$out)
 }
 
 # functional tests
 
 function scala_assert {
-  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -nc -i "$1" -- "$2" -e "" 2> /dev/null 1> /dev/null)
+  (JAVA_OPTS="-Xmx1g" scala -nc -i "$1" -- "$2" -e "" 2> /dev/null 1> /dev/null)
 }
  
 # purity test
@@ -88,10 +88,10 @@
 
   if (scala_assert "collatz.scala" "collatz_test1.scala")
   then
-      echo "  --> success" | tee -a $out
+      echo -e "  --> success (+ 1 Mark)\n" | tee -a $out
       marks=$(( marks + 1 ))
   else
-    echo "  --> one of the tests failed" | tee -a $out
+      echo -e "  --> one of the tests failed\n" | tee -a $out
   fi
 fi
 
@@ -111,10 +111,10 @@
 
   if (scala_assert "collatz.scala" "collatz_test2.scala") 
   then
-      echo "  --> success" | tee -a $out
+      echo -e "  --> success (+ 1 Mark)\n" | tee -a $out
       marks=$(( marks + 1 ))
   else
-    echo "  --> one of the tests failed" | tee -a $out
+      echo -e "  --> one of the tests failed\n" | tee -a $out
   fi
 fi
 
@@ -125,13 +125,19 @@
   echo "  last_odd(113) == 85" | tee -a $out
   echo "  last_odd(84) == 21" | tee -a $out
   echo "  last_odd(605) == 341" | tee -a $out
-
+  START=$(date +%s)
+  
   if (scala_assert "collatz.scala" "collatz_test3.scala") 
   then
-      echo "  --> success" | tee -a $out
+      END=$(date +%s)
+      DIFF=$(( $END - $START ))
+      echo -e "  --> success (+ 1 Mark)\n" | tee -a $out
       marks=$(( marks + 1 ))
   else
-    echo "  --> one of the tests failed" | tee -a $out
+      END=$(date +%s)
+      DIFF=$(( $END - $START ))
+      echo -e "  This test ran for $DIFF seconds" | tee -a $out  
+      echo -e "  --> one of the tests failed\n" | tee -a $out
   fi
 fi