Refactored first_origination code.

src/binding.c

@@ -516,20 +516,12 @@ unique_origination ()
 }
 
 
-//! Prune invalid state w.r.t. <=C minimal requirement
+//! Check for first-origination points
 /**
- * Intuition says this can be done a lot more efficient. Luckily this is the prototype.
- *
  *@returns True, if it's okay. If false, it needs to be pruned.
  */
 int
-bindings_c_minimal ()
+first_origination ()
-{
-  if (!unique_origination ())
-    {
-      return false;
-    }
-
 {
   List bl;
 
@@ -567,8 +559,7 @@ bindings_c_minimal ()
 			  if (switches.intruder)
 			    {
 			      // intruder: interm bindings should cater for the first occurrence
-				occursthere =
+			      occursthere = termInTerm (rd->message, b->term);
-				  termInTerm (rd->message, b->term);
 			    }
 			  else
 			    {
@@ -611,10 +602,21 @@ bindings_c_minimal ()
 	}
       bl = bl->next;
     }
-  }
   return true;
 }
 
+//! Determine if pattern is redundant or not
+/**
+ * Intuition says this can be done a lot more efficient. Luckily this is the prototype.
+ *
+ *@returns True, if it's okay. If false, it needs to be pruned.
+ */
+int
+non_redundant ()
+{
+  return (unique_origination () && first_origination ());
+}
+
 //! Count the number of bindings that are done.
 int
 countBindingsDone ()

src/binding.h

@@ -70,7 +70,7 @@ int iterate_bindings (int (*func) (Binding b));
 int iterate_preceding_bindings (const int run, const int ev,
 				int (*func) (Binding b));
 
-int bindings_c_minimal ();
+int non_redundant ();
 int countBindingsDone ();
 
 #endif

src/prune_theorems.c

@@ -355,7 +355,7 @@ so technically this is a bug. Don't use.
 
   // Check for c-minimality
   {
-    if (!bindings_c_minimal ())
+    if (!non_redundant ())
       {
 	if (switches.output == PROOF)
 	  {