limit wall clock time to max 2 hours per default

biopet-extensions/src/main/scala/nl/lumc/sasc/biopet/extensions/freec/FreeC.scala

@@ -127,6 +127,11 @@ class FreeC(val root: Configurable) extends BiopetCommandLineFunction with Refer
   override def defaultThreads = 4
   override def defaultCoreMemory = 50
 
+  // wallclock time limit in seconds
+  var wallClockTimeLimit: Int = config("wall_time_limit", namespace = "freec", default = 7200)
+
+  jobNativeArgs = jobNativeArgs.toList ::: List(s"-l h_rt=$wallClockTimeLimit")
+
   private var configFile: File = _
 
   override def beforeGraph {