]> andersk Git - splint.git/blobdiff - src/constraintGeneration.c
Made allocations involving sizeof work correctly (test/malloc.c).
[splint.git] / src / constraintGeneration.c
index 17f2569e02862f1170cf4334c0b5b5a734c13945..3a94efd5c3ebae7670e188bdbdd388bd7993f55b 100644 (file)
@@ -48,12 +48,12 @@ static /*@nullwhentrue@*/ bool exprNode_handleError (/*@temp@*/ exprNode p_e);
 static void exprNode_stmt (/*@temp@*/ /*@temp@*/ exprNode p_e);
 static void  exprNode_multiStatement (/*@temp@*/ exprNode p_e);
 
-static constraintList exprNode_traversTrueEnsuresConstraints (/*@temp@*/ exprNode p_e);
-static constraintList exprNode_traversFalseEnsuresConstraints (/*@temp@*/ exprNode p_e);
+static constraintList exprNode_traverseTrueEnsuresConstraints (/*@temp@*/ exprNode p_e);
+static constraintList exprNode_traverseFalseEnsuresConstraints (/*@temp@*/ exprNode p_e);
 
 static void checkArgumentList (/*@out@*/ exprNode p_temp, exprNodeList p_arglist, fileloc p_sequencePoint) /*@modifies p_temp @*/;
 
-static  constraintList checkCall (/*@temp@*/ exprNode p_fcn, exprNodeList p_arglist);
+static constraintList checkCall (/*@temp@*/ exprNode p_fcn, exprNodeList p_arglist);
 
 static bool exprNode_isUnhandled (/*@temp@*/ /*@observer@*/ exprNode e)
 {
@@ -117,22 +117,22 @@ bool /*@alt void@*/ exprNode_generateConstraints (/*@temp@*/ exprNode e)
       return FALSE;
     }
 
-  DPRINTF((message ("exprNode_generateConstraints Analysising %s at %s", exprNode_unparse(e),
-                   fileloc_unparse(exprNode_getfileloc(e)))));
-
+  DPRINTF ((message ("exprNode_generateConstraints Analyzing %s at %s", exprNode_unparse(e),
+                    fileloc_unparse(exprNode_loc (e)))));
+  
   if (exprNode_isMultiStatement (e))
     {
       exprNode_multiStatement(e);
     }
   else
     {
-/*        fileloc loc; */
+      /*        fileloc loc; */
       
-/*        loc = exprNode_getNextSequencePoint(e);  */
-/*        exprNode_exprTraverse(e, FALSE, FALSE, loc); */
+      /*        loc = exprNode_getNextSequencePoint(e);  */
+      /*        exprNode_exprTraverse(e, FALSE, FALSE, loc); */
+      
+      /*        fileloc_free(loc); */
       
-/*        fileloc_free(loc); */
-
       exprNode_stmt(e);
       return FALSE;
       
@@ -140,13 +140,14 @@ bool /*@alt void@*/ exprNode_generateConstraints (/*@temp@*/ exprNode e)
   
   {
     constraintList c;
-
+    
     c = constraintList_makeFixedArrayConstraints (e->uses);
     e->requiresConstraints = constraintList_reflectChangesFreePre (e->requiresConstraints, c);
     constraintList_free(c);
   }    
-
-  DPRINTF ((message ("e->requiresConstraints %s", constraintList_printDetailed (e->requiresConstraints))));
+  
+  DPRINTF ((message ("e->requiresConstraints %s", 
+                    constraintList_unparseDetailed (e->requiresConstraints))));
   return FALSE;
 }
 
@@ -154,8 +155,9 @@ static void exprNode_stmt (/*@temp@*/ exprNode e)
 {
   exprNode snode;
   fileloc loc;
-  cstring s;
   
+  DPRINTF (("Generating constraint for: %s", exprNode_unparse (e)));
+
   if (exprNode_isError(e))
     {
       return; 
@@ -163,26 +165,31 @@ static void exprNode_stmt (/*@temp@*/ exprNode e)
 
   /*e->requiresConstraints = constraintList_makeNew();
     e->ensuresConstraints  = constraintList_makeNew(); */
-  DPRINTF(("expNode_stmt: STMT:"));
-  s =  exprNode_unparse(e);
-  DPRINTF ((message("exprNode_stmt: STMT: %s ", s)));
+  
+  /*!! s = exprNode_unparse (e); */
   
   if (e->kind == XPR_INIT)
     {
       constraintList tempList;
-      DPRINTF (("Init"));
-      DPRINTF ((message ("%s ", exprNode_unparse (e))));
-      loc = exprNode_getNextSequencePoint(e); /* reduces to an expression */
+      DPRINTF (("Init: %s ", exprNode_unparse (e)));
+      loc = exprNode_getNextSequencePoint (e); /* reduces to an expression */
+      DPRINTF (("Location: %s", fileloc_unparse (loc)));
+      DPRINTF (("Ensures before: %s", constraintList_unparse (e->ensuresConstraints)));
       exprNode_exprTraverse (e, FALSE, FALSE, loc);
+      DPRINTF (("Ensures after: %s", constraintList_unparse (e->ensuresConstraints)));
+      DPRINTF (("After traversing..."));
       fileloc_free(loc);
-
+      
       tempList = e->requiresConstraints;
-      e->requiresConstraints = exprNode_traversRequiresConstraints(e);
+      DPRINTF (("Requires before: %s", constraintList_unparse (e->requiresConstraints)));
+      e->requiresConstraints = exprNode_traverseRequiresConstraints (e);
+      DPRINTF (("Requires after: %s", constraintList_unparse (e->requiresConstraints)));
       constraintList_free(tempList);
 
       tempList = e->ensuresConstraints;
-      e->ensuresConstraints  = exprNode_traversEnsuresConstraints(e);
+      DPRINTF (("Ensures before: %s", constraintList_unparse (e->ensuresConstraints)));
+      e->ensuresConstraints  = exprNode_traverseEnsuresConstraints(e);
+      DPRINTF (("Ensures before: %s", constraintList_unparse (e->ensuresConstraints)));
       constraintList_free(tempList);
       return; 
     }
@@ -199,13 +206,12 @@ static void exprNode_stmt (/*@temp@*/ exprNode e)
       fileloc_free(loc);
       
       tempList = e->requiresConstraints;
-      e->requiresConstraints = exprNode_traversRequiresConstraints(e);
+      e->requiresConstraints = exprNode_traverseRequiresConstraints(e);
       constraintList_free(tempList);
     }
   
   if (e->kind != XPR_STMT)
     {
-      
       DPRINTF (("Not Stmt"));
       DPRINTF ((message ("%s ", exprNode_unparse (e))));
 
@@ -246,14 +252,14 @@ static void exprNode_stmt (/*@temp@*/ exprNode e)
   fileloc_free(loc);
 
   constraintList_free (e->requiresConstraints);
-  e->requiresConstraints = exprNode_traversRequiresConstraints(snode);
+  e->requiresConstraints = exprNode_traverseRequiresConstraints(snode);
 
   constraintList_free (e->ensuresConstraints);
-  e->ensuresConstraints  = exprNode_traversEnsuresConstraints(snode);
-
+  e->ensuresConstraints  = exprNode_traverseEnsuresConstraints(snode);
+  
   DPRINTF ((message ("smtlist constraints are: pre: %s \n and \t post %s\n",
-                     constraintList_print(e->requiresConstraints),
-                     constraintList_print(e->ensuresConstraints))));
+                     constraintList_unparse(e->requiresConstraints),
+                     constraintList_unparse(e->ensuresConstraints))));
 
   return; 
 }
@@ -293,8 +299,8 @@ static void exprNode_stmtList  (/*@dependent@*/ exprNode e)
   exprNode_mergeResolve (e, stmt1, stmt2);
   
   DPRINTF ((message ("smtlist constraints are: pre: %s \n and \t post %s\n",
-                     constraintList_print(e->requiresConstraints),
-                     constraintList_print(e->ensuresConstraints))));
+                     constraintList_unparse(e->requiresConstraints),
+                     constraintList_unparse(e->ensuresConstraints))));
   return;
 }
 
@@ -304,49 +310,48 @@ static exprNode doIf (/*@returned@*/  exprNode e, /*@dependent@*/ exprNode test,
 
   DPRINTF ((message ("doIf: %s ", exprNode_unparse(e))));
 
-  llassert(exprNode_isDefined(test));
+  llassert (exprNode_isDefined(test));
   llassert (exprNode_isDefined (e));
   llassert (exprNode_isDefined (body));
 
-  
-      DPRINTF((message ("ensures constraints for %s are %s", exprNode_unparse(e), constraintList_printDetailed(e->ensuresConstraints))));
+  DPRINTF((message ("ensures constraints for %s are %s", exprNode_unparse(e), constraintList_unparseDetailed(e->ensuresConstraints))));
 
-      DPRINTF((message ("Requires constraints for %s are %s", exprNode_unparse(e), constraintList_printDetailed(e->ensuresConstraints))));
+      DPRINTF((message ("Requires constraints for %s are %s", exprNode_unparse(e), constraintList_unparseDetailed(e->ensuresConstraints))));
       
-      DPRINTF((message ("trueEnsures constraints for %s are %s", exprNode_unparse(e), constraintList_printDetailed(e->trueEnsuresConstraints))));
+      DPRINTF((message ("trueEnsures constraints for %s are %s", exprNode_unparse(e), constraintList_unparseDetailed(e->trueEnsuresConstraints))));
 
-      DPRINTF((message ("falseEnsures constraints for %s are %s", exprNode_unparse(e), constraintList_printDetailed(e->falseEnsuresConstraints))));
+      DPRINTF((message ("falseEnsures constraints for %s are %s", exprNode_unparse(e), constraintList_unparseDetailed(e->falseEnsuresConstraints))));
 
 
 
-      DPRINTF((message ("ensures constraints for %s are %s", exprNode_unparse(test), constraintList_printDetailed(test->ensuresConstraints))));
+      DPRINTF((message ("ensures constraints for %s are %s", exprNode_unparse(test), constraintList_unparseDetailed(test->ensuresConstraints))));
 
-      DPRINTF((message ("Requires constraints for %s are %s", exprNode_unparse(test), constraintList_printDetailed(test->ensuresConstraints))));
+      DPRINTF((message ("Requires constraints for %s are %s", exprNode_unparse(test), constraintList_unparseDetailed(test->ensuresConstraints))));
       
-      DPRINTF((message ("trueEnsures constraints for %s are %s", exprNode_unparse(test), constraintList_printDetailed(test->trueEnsuresConstraints))));
+      DPRINTF((message ("trueEnsures constraints for %s are %s", exprNode_unparse(test), constraintList_unparseDetailed(test->trueEnsuresConstraints))));
 
-      DPRINTF((message ("falseEnsures constraints for %s are %s", exprNode_unparse(test), constraintList_printDetailed(test->falseEnsuresConstraints))));
+      DPRINTF((message ("falseEnsures constraints for %s are %s", exprNode_unparse(test), constraintList_unparseDetailed(test->falseEnsuresConstraints))));
 
 
 
       temp = test->trueEnsuresConstraints;
-      test->trueEnsuresConstraints =  exprNode_traversTrueEnsuresConstraints(test);
+      test->trueEnsuresConstraints =  exprNode_traverseTrueEnsuresConstraints(test);
       constraintList_free(temp);
 
   temp = test->ensuresConstraints;
-  test->ensuresConstraints = exprNode_traversEnsuresConstraints (test);
+  test->ensuresConstraints = exprNode_traverseEnsuresConstraints (test);
   constraintList_free(temp);
 
   temp = test->requiresConstraints;
-  test->requiresConstraints = exprNode_traversRequiresConstraints (test);
+  test->requiresConstraints = exprNode_traverseRequiresConstraints (test);
   constraintList_free(temp);
 
 
   test->trueEnsuresConstraints = constraintList_substituteFreeTarget(test->trueEnsuresConstraints, test->ensuresConstraints);
   
-  DPRINTF ((message ("doIf: test ensures %s ", constraintList_print(test->ensuresConstraints))));
+  DPRINTF ((message ("doIf: test ensures %s ", constraintList_unparse(test->ensuresConstraints))));
     
-  DPRINTF ((message ("doIf: test true ensures %s ", constraintList_print(test->trueEnsuresConstraints))));
+  DPRINTF ((message ("doIf: test true ensures %s ", constraintList_unparse(test->trueEnsuresConstraints))));
   
   constraintList_free(e->requiresConstraints);
 
@@ -371,7 +376,7 @@ static exprNode doIf (/*@returned@*/  exprNode e, /*@dependent@*/ exprNode test,
                                                        test->falseEnsuresConstraints);
     }
   
-  DPRINTF ((message ("doIf: if requiers %s ", constraintList_print(e->requiresConstraints))));
+  DPRINTF ((message ("doIf: if requiers %s ", constraintList_unparse(e->requiresConstraints))));
   
   return e;
 }
@@ -381,9 +386,9 @@ static exprNode doIf (/*@returned@*/  exprNode e, /*@dependent@*/ exprNode test,
 
   Precondition
   This function assumes that p, trueBranch, falseBranch have have all been traversed
-  for constraints i.e. we assume that exprNode_traversEnsuresConstraints,
-  exprNode_traversRequiresConstraints,  exprNode_traversTrueEnsuresConstraints,
-  exprNode_traversFalseEnsuresConstraints have all been run
+  for constraints i.e. we assume that exprNode_traverseEnsuresConstraints,
+  exprNode_traverseRequiresConstraints,  exprNode_traverseTrueEnsuresConstraints,
+  exprNode_traverseFalseEnsuresConstraints have all been run
 */
 
 static exprNode doIfElse (/*@returned@*/ exprNode e, /*@dependent@*/ exprNode p, /*@dependent@*/ exprNode trueBranch, /*@dependent@*/ exprNode falseBranch)
@@ -434,8 +439,8 @@ static exprNode doIfElse (/*@returned@*/ exprNode e, /*@dependent@*/ exprNode p,
   constraintList_free(cons);
   constraintList_free(c1);
   
-  DPRINTF ((message ("doIfElse: if requires %q ", constraintList_print(e->requiresConstraints))));
-  DPRINTF ((message ("doIfElse: if ensures %q ", constraintList_print(e->ensuresConstraints))));
+  DPRINTF ((message ("doIfElse: if requires %q ", constraintList_unparse(e->requiresConstraints))));
+  DPRINTF ((message ("doIfElse: if ensures %q ", constraintList_unparse(e->ensuresConstraints))));
   
   return e;
 }
@@ -489,7 +494,7 @@ static exprNode doWhile (/*@returned@*/ exprNode e, /*@dependent@*/ exprNode tes
   end_sRefSet_elements ;
   
   DPRINTF((message("constraintList_makeFixedArrayConstraints returning %s",
-                   constraintList_print(ret))));
+                   constraintList_unparse(ret))));
   return ret;
 }
 
@@ -641,7 +646,7 @@ exprNode_doGenerateConstraintSwitch
                  DPRINTF((message("returning from exprNode_doGenerateConstraintSwitch: (switch %s) %s currentRequires:"
                                    "%s currentEnsures:%s",
                                    exprNode_unparse(switchExpr), exprNode_unparse(body),
-                                   constraintList_print(*currentRequires), constraintList_print(*currentEnsures)
+                                   constraintList_unparse(*currentRequires), constraintList_unparse(*currentEnsures)
                                   )));
                  /*@-onlytrans@*/
                  return;
@@ -679,26 +684,21 @@ exprNode_doGenerateConstraintSwitch
          *savedRequires = constraintList_mergeRequiresFreeFirst (*savedRequires, *currentRequires);
        }
       
-      con = constraint_makeEnsureEqual (switchExpr, exprData_getSingle
-                                       (stmt->edata), exprNode_getfileloc(stmt));
-
+      con = constraint_makeEnsureEqual (switchExpr, exprData_getSingle (stmt->edata), exprNode_loc (stmt));
 
-      constraintList_free(*currentEnsures);
+      constraintList_free (*currentEnsures);
       *currentEnsures = constraintList_makeNew();
       *currentEnsures = constraintList_add(*currentEnsures, con);
 
       constraintList_free(*currentRequires);
       *currentRequires = constraintList_makeNew();
-      DPRINTF((message("exprNode_doGenerateConstraintSwitch: (switch %s) %s savedRequires:"
-                       "%s savedEnsures:%s",
-                       exprNode_unparse(switchExpr), exprNode_unparse(body),
-                       constraintList_print(*savedRequires), constraintList_print(*savedEnsures)
-                       )));
-
+      DPRINTF (("exprNode_doGenerateConstraintSwitch: (switch %s) %s savedRequires:"
+               "%s savedEnsures:%s",
+               exprNode_unparse(switchExpr), exprNode_unparse(body),
+               constraintList_unparse(*savedRequires), constraintList_unparse(*savedEnsures)
+               ));
     }
-
-  else if (exprNode_isCaseMarker(stmt))
-    /* prior case has no break. */
+  else if (exprNode_isCaseMarker(stmt)) /* prior case has no break. */
     {
       /* 
         We don't do anything to the sved constraints because the case hasn't ended
@@ -708,38 +708,28 @@ exprNode_doGenerateConstraintSwitch
       
       constraintList temp;
       constraint con;
-
       constraintList ensuresTemp;
 
-      DPRINTF ((message("Got case marker with no prior break")));
-
-      con = constraint_makeEnsureEqual (switchExpr, exprData_getSingle
-                                       (stmt->edata), exprNode_getfileloc(stmt));
-
-      ensuresTemp = constraintList_makeNew();
-
+      con = constraint_makeEnsureEqual (switchExpr, exprData_getSingle (stmt->edata), exprNode_loc (stmt));
+      
+      ensuresTemp = constraintList_makeNew ();
       ensuresTemp = constraintList_add (ensuresTemp, con);
 
-      if (exprNode_isError(stmtList))
+      if (exprNode_isError (stmtList))
        {
-         constraintList_free(*currentEnsures);
-
-         *currentEnsures = constraintList_copy(ensuresTemp);
-         constraintList_free(ensuresTemp);
-
+         constraintList_free (*currentEnsures);
+         *currentEnsures = constraintList_copy (ensuresTemp);
+         constraintList_free (ensuresTemp);
        }
       else
        {
-         
          temp = constraintList_logicalOr (*currentEnsures, ensuresTemp);
-         
-         constraintList_free(*currentEnsures);
-         constraintList_free(ensuresTemp);
-
+         constraintList_free (*currentEnsures);
+         constraintList_free (ensuresTemp);
          *currentEnsures = temp;
        }
-      constraintList_free(*currentRequires);
-      
+
+      constraintList_free (*currentRequires);
       *currentRequires = constraintList_makeNew();
     }
   else
@@ -751,11 +741,12 @@ exprNode_doGenerateConstraintSwitch
       BADEXIT;
     }
 
-  DPRINTF((message("returning from exprNode_doGenerateConstraintSwitch: (switch %s) %s currentRequires:"
-                   "%s currentEnsures:%s",
-                   exprNode_unparse(switchExpr), exprNode_unparse(body),
-                   constraintList_print(*currentRequires), constraintList_print(*currentEnsures)
-                  )));
+  DPRINTF (("returning from exprNode_doGenerateConstraintSwitch: (switch %s) %s currentRequires:"
+           "%s currentEnsures:%s",
+           exprNode_unparse(switchExpr), exprNode_unparse(body),
+           constraintList_unparse(*currentRequires), constraintList_unparse(*currentEnsures)
+           ));
+
   /*@-onlytrans@*/ 
   return;
   /*@=onlytrans@*/ 
@@ -780,22 +771,21 @@ static void exprNode_generateConstraintSwitch (/*@notnull@*/ exprNode switchStmt
       return;
     }
 
-  /*@i22*/
   DPRINTF((message("")));
   
   if (body->kind == XPR_BLOCK)
     body = exprData_getSingle(body->edata);
 
-  /*
+  
   constraintsRequires = constraintList_undefined;
   constraintsEnsures = constraintList_undefined;
 
   lastRequires = constraintList_makeNew();
   lastEnsures = constraintList_makeNew();
-  */
+  
 
   /*@-mustfree@*/ 
-  /*@i6534 - evans 2002-01-01: spurious warnings for these becuase of stack allocated storage */
+  /* evans 2002-01-01: spurious warnings for these becuase of stack allocated storage */
   exprNode_doGenerateConstraintSwitch (switchExpr, body, &lastRequires, 
                                       &lastEnsures, &constraintsRequires, &constraintsEnsures);
   /*@=mustfree@*/
@@ -825,8 +815,8 @@ static void exprNode_generateConstraintSwitch (/*@notnull@*/ exprNode switchStmt
   constraintList_free (lastEnsures);
 
   DPRINTF(((message(" exprNode_generateConstraintSwitch returning requires: %s and ensures %s",
-                    constraintList_print(switchStmt->requiresConstraints),
-                    constraintList_print(switchStmt->ensuresConstraints)
+                    constraintList_unparse(switchStmt->requiresConstraints),
+                    constraintList_unparse(switchStmt->ensuresConstraints)
                    )
            )));
 }
@@ -896,7 +886,7 @@ void exprNode_multiStatement (/*@dependent@*/ exprNode e)
        {
          constraintList temp2;
          temp2 = test->trueEnsuresConstraints;
-         test->trueEnsuresConstraints =  exprNode_traversTrueEnsuresConstraints(test);
+         test->trueEnsuresConstraints =  exprNode_traverseTrueEnsuresConstraints(test);
          constraintList_free(temp2);
        }
       
@@ -942,20 +932,20 @@ void exprNode_multiStatement (/*@dependent@*/ exprNode e)
 
       llassert (exprNode_isDefined (p));
       temp = p->ensuresConstraints;
-      p->ensuresConstraints = exprNode_traversEnsuresConstraints (p);
+      p->ensuresConstraints = exprNode_traverseEnsuresConstraints (p);
       constraintList_free(temp);
 
       temp = p->requiresConstraints;
-      p->requiresConstraints = exprNode_traversRequiresConstraints (p);
+      p->requiresConstraints = exprNode_traverseRequiresConstraints (p);
       constraintList_free(temp);
 
       temp = p->trueEnsuresConstraints;
-      p->trueEnsuresConstraints =  exprNode_traversTrueEnsuresConstraints(p);
+      p->trueEnsuresConstraints =  exprNode_traverseTrueEnsuresConstraints(p);
       constraintList_free(temp);
 
 
 
-      DPRINTF((message("p->trueEnsuresConstraints before substitue %s", constraintList_print(p->trueEnsuresConstraints)  )
+      DPRINTF((message("p->trueEnsuresConstraints before substitue %s", constraintList_unparse(p->trueEnsuresConstraints)  )
               ));
 
             /*drl 10/10/2002 this is a bit of a hack but the reason why we do this is so that any function post conditions or similar things get applied correctly to each branch.  e.g. in strlen(s) < 5 we want the trueEnsures to be maxRead(s) < 5*/
@@ -963,11 +953,11 @@ void exprNode_multiStatement (/*@dependent@*/ exprNode e)
       p->trueEnsuresConstraints = constraintList_substituteFreeTarget (p->trueEnsuresConstraints,
                                                                       p->ensuresConstraints);
       
-      DPRINTF(( message ("p->trueEnsuresConstraints after substitue %s", constraintList_print(p->trueEnsuresConstraints) )
+      DPRINTF(( message ("p->trueEnsuresConstraints after substitue %s", constraintList_unparse(p->trueEnsuresConstraints) )
                ));
       
       temp = p->falseEnsuresConstraints;
-      p->falseEnsuresConstraints =  exprNode_traversFalseEnsuresConstraints(p);
+      p->falseEnsuresConstraints =  exprNode_traverseFalseEnsuresConstraints(p);
       constraintList_free(temp);
 
       /*See comment on trueEnsures*/
@@ -987,7 +977,7 @@ void exprNode_multiStatement (/*@dependent@*/ exprNode e)
       exprNode_generateConstraints (e2);
       exprNode_generateConstraints (e1);
       e = exprNode_copyConstraints (e, e2);
-      DPRINTF ((message ("e = %s  ", constraintList_print(e->requiresConstraints))));
+      DPRINTF ((message ("e = %s  ", constraintList_unparse(e->requiresConstraints))));
       
       break;
       
@@ -1185,14 +1175,14 @@ static void exprNode_booleanTraverse (/*@dependent@*/ exprNode e, /*@unused@*/ b
     } 
 }
 
-void exprNode_exprTraverse (/*@dependent@*/ exprNode e, bool definatelv, bool definaterv,  /*@observer@*/ /*@temp@*/ fileloc sequencePoint)
+void exprNode_exprTraverse (/*@dependent@*/ exprNode e, 
+                           bool definatelv, bool definaterv,  
+                           /*@observer@*/ /*@temp@*/ fileloc sequencePoint)
 {
   exprNode t1, t2, fcn;
   lltok tok;
-  bool handledExprNode;
   exprData data;
   constraint cons;
-
   constraintList temp;
 
   if (exprNode_isError(e))
@@ -1200,21 +1190,14 @@ void exprNode_exprTraverse (/*@dependent@*/ exprNode e, bool definatelv, bool de
       return; 
     }
   
-  DPRINTF((message ("exprNode_exprTraverset Analysising %s %s at", exprNode_unparse(e),
-                   fileloc_unparse(exprNode_getfileloc(e)))));
+  DPRINTF (("exprNode_exprTraverse analyzing %s at %s", 
+           exprNode_unparse (e),
+           fileloc_unparse (exprNode_loc (e))));
   
-  /*e->requiresConstraints = constraintList_makeNew();
-  e->ensuresConstraints = constraintList_makeNew();
-  e->trueEnsuresConstraints = constraintList_makeNew();;
-  e->falseEnsuresConstraints = constraintList_makeNew();;
-  */
-
   if (exprNode_isUnhandled (e))
-     {
-       return;
-     }
-  
-  handledExprNode = TRUE;
+    {
+      return;
+    }
   
   data = e->edata;
   
@@ -1251,7 +1234,6 @@ void exprNode_exprTraverse (/*@dependent@*/ exprNode e, bool definatelv, bool de
       exprNode_exprTraverse (exprData_getPairA (data), FALSE, TRUE, sequencePoint);
       exprNode_exprTraverse (exprData_getPairB (data), FALSE, TRUE, sequencePoint);
       
-      /*@i325 Should check which is array/index. */
       break;
       
     case XPR_PARENS: 
@@ -1259,28 +1241,16 @@ void exprNode_exprTraverse (/*@dependent@*/ exprNode e, bool definatelv, bool de
       break;
     case XPR_INIT:
       {
-       /*      
-       idDecl t;
-       
-       uentry ue;
-       exprNode lhs;
-
-       t = exprData_getInitId (data); 
-       ue = usymtab_lookup (idDecl_observeId (t));
-       lhs = exprNode_createId (ue);
-       */
        t2 = exprData_getInitNode (data);
-
-       /*      DPRINTF(((message("initialization: %s = %s",
-                          exprNode_unparse(lhs),
-                          exprNode_unparse(t2)
-                         )
-                 )));  */
+       
+       DPRINTF (("initialization ==> %s",exprNode_unparse (t2)));
        
        exprNode_exprTraverse (t2, definatelv, TRUE, sequencePoint);
        
-       /* this test is nessecary because some expressions generate a null expression node.  function pointer do that -- drl */
-        if ((!exprNode_isError (e))  &&  (!exprNode_isError(t2)))
+       /* This test is nessecary because some expressions generate a null expression node. 
+          function pointer do that -- drl */
+
+        if (!exprNode_isError (e) && !exprNode_isError (t2))
          {
            cons =  constraint_makeEnsureEqual (e, t2, sequencePoint);
            e->ensuresConstraints = constraintList_add(e->ensuresConstraints, cons);
@@ -1291,14 +1261,24 @@ void exprNode_exprTraverse (/*@dependent@*/ exprNode e, bool definatelv, bool de
     case XPR_ASSIGN:
       t1 = exprData_getOpA (data);
       t2 = exprData_getOpB (data);
+      DPRINTF (("Assignment constraints t1: %s", constraintList_unparse (t1->ensuresConstraints)));
+      DPRINTF (("Assignment constraints t2: %s", constraintList_unparse (t2->ensuresConstraints)));
       exprNode_exprTraverse (t1, TRUE, definaterv, sequencePoint); 
+      DPRINTF (("Assignment constraints t1: %s", constraintList_unparse (t1->ensuresConstraints)));
+      DPRINTF (("Assignment constraints t2: %s", constraintList_unparse (t2->ensuresConstraints)));
       exprNode_exprTraverse (t2, definatelv, TRUE, sequencePoint);
+      DPRINTF (("Assignment constraints t1: %s", constraintList_unparse (t1->ensuresConstraints)));
+      DPRINTF (("Assignment constraints t2: %s", constraintList_unparse (t2->ensuresConstraints)));
 
-      /* this test is nessecary because some expressions generate a null expression node.  function pointer do that -- drl */
-      if ((!exprNode_isError (t1))  &&  (!exprNode_isError(t2)))
+      /* this test is nessecary because some expressions generate a null expression node. 
+        function pointer do that -- drl */
+      
+      if ((!exprNode_isError (t1)) && (!exprNode_isError(t2)))
        {
-         cons =  constraint_makeEnsureEqual (t1, t2, sequencePoint);
-         e->ensuresConstraints = constraintList_add(e->ensuresConstraints, cons);
+         cons = constraint_makeEnsureEqual (t1, t2, sequencePoint);
+         DPRINTF (("Ensure equal constraint: %s", constraint_unparse (cons)));
+         e->ensuresConstraints = constraintList_add (e->ensuresConstraints, cons);
+         DPRINTF (("Assignment constraints: %s", constraintList_unparse (e->ensuresConstraints)));
        }
       break;
     case XPR_OP:
@@ -1333,7 +1313,7 @@ void exprNode_exprTraverse (/*@dependent@*/ exprNode e, bool definatelv, bool de
 
       break;
     case XPR_SIZEOFT:
-      /*@i43 drl possible problem : warning make sure the case can be ignored.. */
+      /*drl 4-11-03 I think this is the same as the next case...*/
       
       break;
       
@@ -1349,16 +1329,19 @@ void exprNode_exprTraverse (/*@dependent@*/ exprNode e, bool definatelv, bool de
       fcn = exprData_getFcn(data);
       
       exprNode_exprTraverse (fcn, definatelv, definaterv, sequencePoint);
-      DPRINTF ((message ("Got call that %s (%s) ",  exprNode_unparse(fcn),   exprNodeList_unparse (exprData_getArgs (data)))));
+      DPRINTF (("Got call that %s (%s)", 
+               exprNode_unparse(fcn), exprNodeList_unparse (exprData_getArgs (data))));
 
       llassert( exprNode_isDefined(fcn) );
-               
-      fcn->requiresConstraints = constraintList_addListFree (fcn->requiresConstraints,
-                                                checkCall (fcn, exprData_getArgs (data) ));      
-
-      fcn->ensuresConstraints = constraintList_addListFree (fcn->ensuresConstraints,
-                                                exprNode_getPostConditions(fcn, exprData_getArgs (data),e ));
-
+      
+      fcn->requiresConstraints = 
+       constraintList_addListFree (fcn->requiresConstraints,
+                                   checkCall (fcn, exprData_getArgs (data)));      
+      
+      fcn->ensuresConstraints = 
+       constraintList_addListFree (fcn->ensuresConstraints,
+                                   exprNode_getPostConditions(fcn, exprData_getArgs (data),e ));
+      
       t1 = exprNode_createNew (exprNode_getType (e));
       checkArgumentList (t1, exprData_getArgs(data), sequencePoint);
       exprNode_mergeResolve (e, t1, fcn);
@@ -1505,57 +1488,56 @@ void exprNode_exprTraverse (/*@dependent@*/ exprNode e, bool definatelv, bool de
        exprNode_exprTraverse (pred, FALSE, TRUE, sequencePoint);
        
        temp = pred->ensuresConstraints;
-       pred->ensuresConstraints = exprNode_traversEnsuresConstraints(pred);
+       pred->ensuresConstraints = exprNode_traverseEnsuresConstraints(pred);
        constraintList_free(temp);
        
        temp = pred->requiresConstraints;
-       pred->requiresConstraints = exprNode_traversRequiresConstraints(pred);
+       pred->requiresConstraints = exprNode_traverseRequiresConstraints(pred);
        constraintList_free(temp);
        
        temp = pred->trueEnsuresConstraints;
-       pred->trueEnsuresConstraints = exprNode_traversTrueEnsuresConstraints(pred);
+       pred->trueEnsuresConstraints = exprNode_traverseTrueEnsuresConstraints(pred);
        constraintList_free(temp);
        
        temp = pred->falseEnsuresConstraints;
-       pred->falseEnsuresConstraints = exprNode_traversFalseEnsuresConstraints(pred);
+       pred->falseEnsuresConstraints = exprNode_traverseFalseEnsuresConstraints(pred);
        constraintList_free(temp);
        
        exprNode_exprTraverse (trueBranch, FALSE, TRUE, sequencePoint);
        
        temp = trueBranch->ensuresConstraints;
-       trueBranch->ensuresConstraints = exprNode_traversEnsuresConstraints(trueBranch);
+       trueBranch->ensuresConstraints = exprNode_traverseEnsuresConstraints(trueBranch);
        constraintList_free(temp);
        
        temp = trueBranch->requiresConstraints;
-       trueBranch->requiresConstraints = exprNode_traversRequiresConstraints(trueBranch);
+       trueBranch->requiresConstraints = exprNode_traverseRequiresConstraints(trueBranch);
        constraintList_free(temp);
        
-       
-       temp =       trueBranch->trueEnsuresConstraints;
-       trueBranch->trueEnsuresConstraints =  exprNode_traversTrueEnsuresConstraints(trueBranch);
+       temp = trueBranch->trueEnsuresConstraints;
+       trueBranch->trueEnsuresConstraints =  exprNode_traverseTrueEnsuresConstraints(trueBranch);
        constraintList_free(temp);
        
-       temp =       trueBranch->falseEnsuresConstraints;
-       trueBranch->falseEnsuresConstraints = exprNode_traversFalseEnsuresConstraints(trueBranch);
+       temp = trueBranch->falseEnsuresConstraints;
+       trueBranch->falseEnsuresConstraints = exprNode_traverseFalseEnsuresConstraints(trueBranch);
        constraintList_free(temp);
        
        exprNode_exprTraverse (falseBranch, FALSE, TRUE, sequencePoint);
        
        temp = falseBranch->ensuresConstraints;
-       falseBranch->ensuresConstraints = exprNode_traversEnsuresConstraints(falseBranch);
+       falseBranch->ensuresConstraints = exprNode_traverseEnsuresConstraints(falseBranch);
        constraintList_free(temp);
        
        
        temp = falseBranch->requiresConstraints;
-       falseBranch->requiresConstraints = exprNode_traversRequiresConstraints(falseBranch);
+       falseBranch->requiresConstraints = exprNode_traverseRequiresConstraints(falseBranch);
        constraintList_free(temp);
        
        temp = falseBranch->trueEnsuresConstraints;
-       falseBranch->trueEnsuresConstraints =  exprNode_traversTrueEnsuresConstraints(falseBranch);
+       falseBranch->trueEnsuresConstraints =  exprNode_traverseTrueEnsuresConstraints(falseBranch);
        constraintList_free(temp);
        
        temp = falseBranch->falseEnsuresConstraints;
-       falseBranch->falseEnsuresConstraints = exprNode_traversFalseEnsuresConstraints(falseBranch);
+       falseBranch->falseEnsuresConstraints = exprNode_traverseFalseEnsuresConstraints(falseBranch);
        constraintList_free(temp);
        
        /* if pred is true e equals true otherwise pred equals false */
@@ -1573,40 +1555,41 @@ void exprNode_exprTraverse (/*@dependent@*/ exprNode e, bool definatelv, bool de
       llassert(FALSE);
       t1 = exprData_getPairA (data);
       t2 = exprData_getPairB (data);
-    /* we essiantially treat this like expr1; expr2
-     of course sequencePoint isn't adjusted so this isn't completely accurate
-    problems../  */
+      /* we essiantially treat this like expr1; expr2
+        of course sequencePoint isn't adjusted so this isn't completely accurate
+        problems...
+      */
       exprNode_exprTraverse (t1, FALSE, FALSE, sequencePoint);
       exprNode_exprTraverse (t2, definatelv, definaterv, sequencePoint);
       exprNode_mergeResolve (e, t1, t2);
       break;
 
     default:
-      handledExprNode = FALSE;
+      break;
     }
 
-  e->requiresConstraints =  constraintList_preserveOrig (e->requiresConstraints);
-  e->ensuresConstraints  =  constraintList_preserveOrig (e->ensuresConstraints);
+  e->requiresConstraints = constraintList_preserveOrig (e->requiresConstraints);
+  e->ensuresConstraints = constraintList_preserveOrig (e->ensuresConstraints);
   e->requiresConstraints = constraintList_addGeneratingExpr (e->requiresConstraints, e);
-
-  e->ensuresConstraints  = constraintList_addGeneratingExpr (e->ensuresConstraints, e);
-
-
-  e->requiresConstraints = constraintList_removeSurpressed(e->requiresConstraints);
+  e->ensuresConstraints = constraintList_addGeneratingExpr (e->ensuresConstraints, e);
+  e->requiresConstraints = constraintList_removeSurpressed (e->requiresConstraints);
   
-  DPRINTF((message ("ensures constraints for %s are %s", exprNode_unparse(e), constraintList_printDetailed(e->ensuresConstraints))));
-
-  DPRINTF((message ("Requires constraints for %s are %s", exprNode_unparse(e), constraintList_printDetailed(e->ensuresConstraints))));
+  DPRINTF (("ensures constraints for %s are %s", 
+           exprNode_unparse(e), constraintList_unparseDetailed (e->ensuresConstraints)));
   
-  DPRINTF((message ("trueEnsures constraints for %s are %s", exprNode_unparse(e), constraintList_printDetailed(e->trueEnsuresConstraints))));
-
-  DPRINTF((message ("falseEnsures constraints for %s are %s", exprNode_unparse(e), constraintList_printDetailed(e->falseEnsuresConstraints))));
+  DPRINTF (("Requires constraints for %s are %s", exprNode_unparse(e), 
+           constraintList_unparseDetailed(e->ensuresConstraints)));
 
+  DPRINTF (("trueEnsures constraints for %s are %s", exprNode_unparse(e), 
+           constraintList_unparseDetailed(e->trueEnsuresConstraints)));
+  
+  DPRINTF (("falseEnsures constraints for %s are %s", exprNode_unparse(e), 
+           constraintList_unparseDetailed(e->falseEnsuresConstraints)));
   return;
 }
 
 
-constraintList exprNode_traversTrueEnsuresConstraints (exprNode e)
+constraintList exprNode_traverseTrueEnsuresConstraints (exprNode e)
 {
   exprNode t1;
 
@@ -1630,54 +1613,54 @@ constraintList exprNode_traversTrueEnsuresConstraints (exprNode e)
     {
     case XPR_WHILEPRED:
       t1 = exprData_getSingle (data);
-      ret = constraintList_addListFree (ret, exprNode_traversTrueEnsuresConstraints (t1));
+      ret = constraintList_addListFree (ret, exprNode_traverseTrueEnsuresConstraints (t1));
       break;
       
     case XPR_FETCH:
       
       ret = constraintList_addListFree (ret,
-                                   exprNode_traversTrueEnsuresConstraints
+                                   exprNode_traverseTrueEnsuresConstraints
                                    (exprData_getPairA (data)));
         
       ret = constraintList_addListFree (ret,
-                                   exprNode_traversTrueEnsuresConstraints
+                                   exprNode_traverseTrueEnsuresConstraints
                                    (exprData_getPairB (data)));
       break;
     case XPR_PREOP:
           
       ret = constraintList_addListFree (ret,
-                                   exprNode_traversTrueEnsuresConstraints
+                                   exprNode_traverseTrueEnsuresConstraints
                                    (exprData_getUopNode (data)));
       break;
       
     case XPR_PARENS: 
-      ret = constraintList_addListFree (ret, exprNode_traversTrueEnsuresConstraints
+      ret = constraintList_addListFree (ret, exprNode_traverseTrueEnsuresConstraints
                                    (exprData_getUopNode (data)));
       break;
 
     case XPR_INIT:
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversTrueEnsuresConstraints
+                                       exprNode_traverseTrueEnsuresConstraints
                                        (exprData_getInitNode (data)));
        break;
 
 
     case XPR_ASSIGN:
         ret = constraintList_addListFree (ret,
-                                   exprNode_traversTrueEnsuresConstraints
+                                   exprNode_traverseTrueEnsuresConstraints
                                    (exprData_getOpA (data)));
         
        ret = constraintList_addListFree (ret,
-                                   exprNode_traversTrueEnsuresConstraints
+                                   exprNode_traverseTrueEnsuresConstraints
                                    (exprData_getOpB (data)));
        break;
     case XPR_OP:
        ret = constraintList_addListFree (ret,
-                                   exprNode_traversTrueEnsuresConstraints
+                                   exprNode_traverseTrueEnsuresConstraints
                                    (exprData_getOpA (data)));
         
        ret = constraintList_addListFree (ret,
-                                   exprNode_traversTrueEnsuresConstraints
+                                   exprNode_traverseTrueEnsuresConstraints
                                    (exprData_getOpB (data)));
        break;
     case XPR_SIZEOFT:
@@ -1686,20 +1669,19 @@ constraintList exprNode_traversTrueEnsuresConstraints (exprNode e)
     case XPR_SIZEOF:
           
        ret = constraintList_addListFree (ret,
-                                        exprNode_traversTrueEnsuresConstraints
+                                        exprNode_traverseTrueEnsuresConstraints
                                         (exprData_getSingle (data)));
        break;
       
     case XPR_CALL:
       ret = constraintList_addListFree (ret,
-                                    exprNode_traversTrueEnsuresConstraints
+                                    exprNode_traverseTrueEnsuresConstraints
                                    (exprData_getFcn (data)));
-      /*@i11*/  /* exprNodeList_unparse (exprData_getArgs (data)); */
       break;
       
     case XPR_RETURN:
       ret = constraintList_addListFree (ret,
-                                   exprNode_traversTrueEnsuresConstraints
+                                   exprNode_traverseTrueEnsuresConstraints
                                    (exprData_getSingle (data)));
       break;
   
@@ -1708,13 +1690,13 @@ constraintList exprNode_traversTrueEnsuresConstraints (exprNode e)
             
     case XPR_FACCESS:
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversTrueEnsuresConstraints
+                                       exprNode_traverseTrueEnsuresConstraints
                                        (exprData_getFieldNode (data)));
       break;
    
     case XPR_ARROW:
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversTrueEnsuresConstraints
+                                       exprNode_traverseTrueEnsuresConstraints
                                        (exprData_getFieldNode (data)));
       break;
    
@@ -1726,14 +1708,14 @@ constraintList exprNode_traversTrueEnsuresConstraints (exprNode e)
     case XPR_POSTOP:
 
            ret = constraintList_addListFree (ret,
-                                   exprNode_traversTrueEnsuresConstraints
+                                   exprNode_traverseTrueEnsuresConstraints
                                    (exprData_getUopNode (data)));
           break;
 
     case XPR_CAST:
 
       ret = constraintList_addListFree (ret,
-                                   exprNode_traversTrueEnsuresConstraints
+                                   exprNode_traverseTrueEnsuresConstraints
                                    (exprData_getCastNode (data)));
       break;
 
@@ -1744,7 +1726,7 @@ constraintList exprNode_traversTrueEnsuresConstraints (exprNode e)
   return ret;
 }
 
-constraintList exprNode_traversFalseEnsuresConstraints (exprNode e)
+constraintList exprNode_traverseFalseEnsuresConstraints (exprNode e)
 {
   exprNode t1;
   bool handledExprNode;
@@ -1765,52 +1747,52 @@ constraintList exprNode_traversFalseEnsuresConstraints (exprNode e)
     {
    case XPR_WHILEPRED:
       t1 = exprData_getSingle (data);
-      ret = constraintList_addListFree (ret,exprNode_traversFalseEnsuresConstraints (t1));
+      ret = constraintList_addListFree (ret,exprNode_traverseFalseEnsuresConstraints (t1));
       break;
       
     case XPR_FETCH:
       
       ret = constraintList_addListFree (ret,
-                                   exprNode_traversFalseEnsuresConstraints
+                                   exprNode_traverseFalseEnsuresConstraints
                                    (exprData_getPairA (data)));
         
       ret = constraintList_addListFree (ret,
-                                   exprNode_traversFalseEnsuresConstraints
+                                   exprNode_traverseFalseEnsuresConstraints
                                    (exprData_getPairB (data)));
       break;
     case XPR_PREOP:
           
       ret = constraintList_addListFree (ret,
-                                   exprNode_traversFalseEnsuresConstraints
+                                   exprNode_traverseFalseEnsuresConstraints
                                    (exprData_getUopNode (data)));
       break;
       
     case XPR_PARENS: 
-      ret = constraintList_addListFree (ret, exprNode_traversFalseEnsuresConstraints
+      ret = constraintList_addListFree (ret, exprNode_traverseFalseEnsuresConstraints
                                    (exprData_getUopNode (data)));
       break;
     case XPR_INIT:
         ret = constraintList_addListFree (ret,
-                                   exprNode_traversFalseEnsuresConstraints
+                                   exprNode_traverseFalseEnsuresConstraints
                                    (   exprData_getInitNode (data)));
        break;
 
     case XPR_ASSIGN:
         ret = constraintList_addListFree (ret,
-                                   exprNode_traversFalseEnsuresConstraints
+                                   exprNode_traverseFalseEnsuresConstraints
                                    (exprData_getOpA (data)));
         
        ret = constraintList_addListFree (ret,
-                                   exprNode_traversFalseEnsuresConstraints
+                                   exprNode_traverseFalseEnsuresConstraints
                                    (exprData_getOpB (data)));
        break;
     case XPR_OP:
        ret = constraintList_addListFree (ret,
-                                   exprNode_traversFalseEnsuresConstraints
+                                   exprNode_traverseFalseEnsuresConstraints
                                    (exprData_getOpA (data)));
         
        ret = constraintList_addListFree (ret,
-                                   exprNode_traversFalseEnsuresConstraints
+                                   exprNode_traverseFalseEnsuresConstraints
                                    (exprData_getOpB (data)));
        break;
     case XPR_SIZEOFT:
@@ -1819,20 +1801,19 @@ constraintList exprNode_traversFalseEnsuresConstraints (exprNode e)
     case XPR_SIZEOF:
           
        ret = constraintList_addListFree (ret,
-                                   exprNode_traversFalseEnsuresConstraints
+                                   exprNode_traverseFalseEnsuresConstraints
                                     (exprData_getSingle (data)));
        break;
       
     case XPR_CALL:
       ret = constraintList_addListFree (ret,
-                                    exprNode_traversFalseEnsuresConstraints
+                                    exprNode_traverseFalseEnsuresConstraints
                                    (exprData_getFcn (data)));
-      /*@i11*/ /* exprNodeList_unparse (exprData_getArgs (data)); */
       break;
       
     case XPR_RETURN:
       ret = constraintList_addListFree (ret,
-                                   exprNode_traversFalseEnsuresConstraints
+                                   exprNode_traverseFalseEnsuresConstraints
                                    (exprData_getSingle (data)));
       break;
   
@@ -1841,13 +1822,13 @@ constraintList exprNode_traversFalseEnsuresConstraints (exprNode e)
             
     case XPR_FACCESS:
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversFalseEnsuresConstraints
+                                       exprNode_traverseFalseEnsuresConstraints
                                        (exprData_getFieldNode (data)));
       break;
       
     case XPR_ARROW:
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversFalseEnsuresConstraints
+                                       exprNode_traverseFalseEnsuresConstraints
                                        (exprData_getFieldNode (data)));
       break;
    
@@ -1859,14 +1840,14 @@ constraintList exprNode_traversFalseEnsuresConstraints (exprNode e)
     case XPR_POSTOP:
 
            ret = constraintList_addListFree (ret,
-                                   exprNode_traversFalseEnsuresConstraints
+                                   exprNode_traverseFalseEnsuresConstraints
                                    (exprData_getUopNode (data)));
           break;
           
     case XPR_CAST:
 
       ret = constraintList_addListFree (ret,
-                                   exprNode_traversFalseEnsuresConstraints
+                                   exprNode_traverseFalseEnsuresConstraints
                                    (exprData_getCastNode (data)));
       break;
 
@@ -1879,7 +1860,7 @@ constraintList exprNode_traversFalseEnsuresConstraints (exprNode e)
 
 
 /* walk down the tree and get all requires Constraints in each subexpression*/
-/*@only@*/ constraintList exprNode_traversRequiresConstraints (exprNode e)
+/*@only@*/ constraintList exprNode_traverseRequiresConstraints (exprNode e)
 {
   exprNode t1;
 
@@ -1901,52 +1882,52 @@ constraintList exprNode_traversFalseEnsuresConstraints (exprNode e)
     {
    case XPR_WHILEPRED:
       t1 = exprData_getSingle (data);
-      ret = constraintList_addListFree (ret, exprNode_traversRequiresConstraints (t1));
+      ret = constraintList_addListFree (ret, exprNode_traverseRequiresConstraints (t1));
       break;
       
     case XPR_FETCH:
       
       ret = constraintList_addListFree (ret,
-                                   exprNode_traversRequiresConstraints
+                                   exprNode_traverseRequiresConstraints
                                    (exprData_getPairA (data)));
         
       ret = constraintList_addListFree (ret,
-                                   exprNode_traversRequiresConstraints
+                                   exprNode_traverseRequiresConstraints
                                    (exprData_getPairB (data)));
       break;
     case XPR_PREOP:
           
       ret = constraintList_addListFree (ret,
-                                   exprNode_traversRequiresConstraints
+                                   exprNode_traverseRequiresConstraints
                                    (exprData_getUopNode (data)));
       break;
       
     case XPR_PARENS: 
-      ret = constraintList_addListFree (ret, exprNode_traversRequiresConstraints
+      ret = constraintList_addListFree (ret, exprNode_traverseRequiresConstraints
                                    (exprData_getUopNode (data)));
       break;
     case XPR_INIT:
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversRequiresConstraints
+                                       exprNode_traverseRequiresConstraints
                                        (exprData_getInitNode (data)));
        break;
 
     case XPR_ASSIGN:
         ret = constraintList_addListFree (ret,
-                                   exprNode_traversRequiresConstraints
+                                   exprNode_traverseRequiresConstraints
                                    (exprData_getOpA (data)));
         
        ret = constraintList_addListFree (ret,
-                                   exprNode_traversRequiresConstraints
+                                   exprNode_traverseRequiresConstraints
                                    (exprData_getOpB (data)));
        break;
     case XPR_OP:
        ret = constraintList_addListFree (ret,
-                                   exprNode_traversRequiresConstraints
+                                   exprNode_traverseRequiresConstraints
                                    (exprData_getOpA (data)));
         
        ret = constraintList_addListFree (ret,
-                                   exprNode_traversRequiresConstraints
+                                   exprNode_traverseRequiresConstraints
                                    (exprData_getOpB (data)));
        break;
     case XPR_SIZEOFT:
@@ -1955,20 +1936,19 @@ constraintList exprNode_traversFalseEnsuresConstraints (exprNode e)
     case XPR_SIZEOF:
           
        ret = constraintList_addListFree (ret,
-                                   exprNode_traversRequiresConstraints
+                                   exprNode_traverseRequiresConstraints
                                     (exprData_getSingle (data)));
        break;
       
     case XPR_CALL:
       ret = constraintList_addListFree (ret,
-                                    exprNode_traversRequiresConstraints
+                                    exprNode_traverseRequiresConstraints
                                    (exprData_getFcn (data)));
-      /*@i11*/ /* exprNodeList_unparse (exprData_getArgs (data)); */
       break;
       
     case XPR_RETURN:
       ret = constraintList_addListFree (ret,
-                                   exprNode_traversRequiresConstraints
+                                   exprNode_traverseRequiresConstraints
                                    (exprData_getSingle (data)));
       break;
   
@@ -1977,13 +1957,13 @@ constraintList exprNode_traversFalseEnsuresConstraints (exprNode e)
             
     case XPR_FACCESS:
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversRequiresConstraints
+                                       exprNode_traverseRequiresConstraints
                                        (exprData_getFieldNode (data)));
       break;
       
     case XPR_ARROW:
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversRequiresConstraints
+                                       exprNode_traverseRequiresConstraints
                                        (exprData_getFieldNode (data)));
       break;
    
@@ -1995,14 +1975,14 @@ constraintList exprNode_traversFalseEnsuresConstraints (exprNode e)
     case XPR_POSTOP:
 
            ret = constraintList_addListFree (ret,
-                                   exprNode_traversRequiresConstraints
+                                   exprNode_traverseRequiresConstraints
                                    (exprData_getUopNode (data)));
           break;
           
     case XPR_CAST:
 
       ret = constraintList_addListFree (ret,
-                                   exprNode_traversRequiresConstraints
+                                   exprNode_traverseRequiresConstraints
                                    (exprData_getCastNode (data)));
       break;
 
@@ -2015,7 +1995,7 @@ constraintList exprNode_traversFalseEnsuresConstraints (exprNode e)
 
 
 /* walk down the tree and get all Ensures Constraints in each subexpression*/
-/*@only@*/ constraintList exprNode_traversEnsuresConstraints (exprNode e)
+/*@only@*/ constraintList exprNode_traverseEnsuresConstraints (exprNode e)
 {
   exprNode t1;
 
@@ -2037,7 +2017,7 @@ constraintList exprNode_traversFalseEnsuresConstraints (exprNode e)
   DPRINTF ((message ("exprnode_traversEnsuresConstraints call for %s with "
                     "constraintList of %s",
                     exprNode_unparse (e),
-                    constraintList_print(e->ensuresConstraints)
+                    constraintList_unparse(e->ensuresConstraints)
                     )
            ));
   
@@ -2046,52 +2026,52 @@ constraintList exprNode_traversFalseEnsuresConstraints (exprNode e)
     {
     case XPR_WHILEPRED:
       t1 = exprData_getSingle (data);
-      ret = constraintList_addListFree (ret,exprNode_traversEnsuresConstraints (t1));
+      ret = constraintList_addListFree (ret,exprNode_traverseEnsuresConstraints (t1));
       break;
       
     case XPR_FETCH:
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversEnsuresConstraints
+                                       exprNode_traverseEnsuresConstraints
                                        (exprData_getPairA (data)));
       
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversEnsuresConstraints
+                                       exprNode_traverseEnsuresConstraints
                                        (exprData_getPairB (data)));
       break;
     case XPR_PREOP:
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversEnsuresConstraints
+                                       exprNode_traverseEnsuresConstraints
                                        (exprData_getUopNode (data)));
       break;
       
     case XPR_PARENS: 
-      ret = constraintList_addListFree (ret, exprNode_traversEnsuresConstraints
+      ret = constraintList_addListFree (ret, exprNode_traverseEnsuresConstraints
                                        (exprData_getUopNode (data)));
       break;
       
     case XPR_INIT:
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversEnsuresConstraints
+                                       exprNode_traverseEnsuresConstraints
                                        (exprData_getInitNode (data)));
       break;
       
       
     case XPR_ASSIGN:
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversEnsuresConstraints
+                                       exprNode_traverseEnsuresConstraints
                                        (exprData_getOpA (data)));
       
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversEnsuresConstraints
+                                       exprNode_traverseEnsuresConstraints
                                        (exprData_getOpB (data)));
       break;
     case XPR_OP:
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversEnsuresConstraints
+                                       exprNode_traverseEnsuresConstraints
                                        (exprData_getOpA (data)));
       
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversEnsuresConstraints
+                                       exprNode_traverseEnsuresConstraints
                                        (exprData_getOpB (data)));
       break;
     case XPR_SIZEOFT:
@@ -2099,30 +2079,29 @@ constraintList exprNode_traversFalseEnsuresConstraints (exprNode e)
       
     case XPR_SIZEOF:
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversEnsuresConstraints
+                                       exprNode_traverseEnsuresConstraints
                                        (exprData_getSingle (data)));
       break;
     case XPR_CALL:
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversEnsuresConstraints
+                                       exprNode_traverseEnsuresConstraints
                                        (exprData_getFcn (data)));
-      /*@i11*/ /* exprNodeList_unparse (exprData_getArgs (data)); */
       break;
     case XPR_RETURN:
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversEnsuresConstraints
+                                       exprNode_traverseEnsuresConstraints
                                        (exprData_getSingle (data)));
       break;
     case XPR_NULLRETURN:
       break;
     case XPR_FACCESS:
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversEnsuresConstraints
+                                       exprNode_traverseEnsuresConstraints
                                        (exprData_getFieldNode (data)));
       break;
     case XPR_ARROW:
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversEnsuresConstraints
+                                       exprNode_traverseEnsuresConstraints
                                        (exprData_getFieldNode (data)));
       break;
     case XPR_STRINGLITERAL:
@@ -2131,12 +2110,12 @@ constraintList exprNode_traversFalseEnsuresConstraints (exprNode e)
       break;
     case XPR_POSTOP:
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversEnsuresConstraints
+                                       exprNode_traverseEnsuresConstraints
                                        (exprData_getUopNode (data)));
       break;
     case XPR_CAST:
       ret = constraintList_addListFree (ret,
-                                       exprNode_traversEnsuresConstraints
+                                       exprNode_traverseEnsuresConstraints
                                        (exprData_getCastNode (data)));
       break;
     default:
@@ -2146,7 +2125,7 @@ constraintList exprNode_traversFalseEnsuresConstraints (exprNode e)
   DPRINTF((message ("exprnode_traversEnsuresConstraints call for %s with "
                    "constraintList of  is returning %s",
                    exprNode_unparse (e),
-                   constraintList_print(ret))));
+                   constraintList_unparse(ret))));
   
   return ret;
 }
@@ -2171,11 +2150,11 @@ void checkArgumentList (/*@out@*/ exprNode temp, exprNodeList arglist,
 
       exprNode_exprTraverse (el, FALSE, FALSE, sequencePoint);
       temp2 = el->requiresConstraints;
-      el->requiresConstraints = exprNode_traversRequiresConstraints(el);
+      el->requiresConstraints = exprNode_traverseRequiresConstraints(el);
       constraintList_free(temp2);
 
       temp2 = el->ensuresConstraints;
-      el->ensuresConstraints  = exprNode_traversEnsuresConstraints(el);
+      el->ensuresConstraints  = exprNode_traverseEnsuresConstraints(el);
       constraintList_free(temp2);
 
       temp->requiresConstraints = constraintList_addList(temp->requiresConstraints,
@@ -2242,13 +2221,13 @@ we'll include it in a production release when its stable...
          invars = getInvariants(ct);
 
 
-         TPRINTF((message ("findStructs has invariants %s ", constraintList_print (invars))
+         TPRINTF((message ("findStructs has invariants %s ", constraintList_unparse (invars))
                   ));
          
          invars = constraintList_doSRefFixStructConstraint(invars, exprNode_getSref(expr), ct);
 
          
-         TPRINTF((message ("findStructs finded invariants to be %s ", constraintList_print (invars))
+         TPRINTF((message ("findStructs finded invariants to be %s ", constraintList_unparse (invars))
                   ));
        }
     }
@@ -2280,14 +2259,14 @@ constraintList checkCall (/*@dependent@*/ exprNode fcn, exprNodeList arglist)
        preconditions = constraintList_makeNew();
     }
   
-  if (context_getFlag (FLG_IMPLICTCONSTRAINT) )
+  if (context_getFlag (FLG_IMPBOUNDSCONSTRAINTS))
     {
 
       /*
       uentryList_elements (arglist, el)
        {
          sRef s;
-         TPRINTF((message("setImplictfcnConstraints doing: %s", uentry_unparse(el) ) ));
+         TPRINTF((message("setImplicitfcnConstraints doing: %s", uentry_unparse(el) ) ));
          
          s = uentry_getSref(el);
          if (sRef_isReference (s) )
@@ -2317,7 +2296,7 @@ constraintList checkCall (/*@dependent@*/ exprNode fcn, exprNodeList arglist)
     }
   
   DPRINTF ((message("Done checkCall\n")));
-  DPRINTF ((message("Returning list %q ", constraintList_printDetailed(preconditions))));
+  DPRINTF ((message("Returning list %q ", constraintList_unparseDetailed(preconditions))));
 
   /*
     drl we're going to comment this out for now
@@ -2337,7 +2316,6 @@ constraintList checkCall (/*@dependent@*/ exprNode fcn, exprNodeList arglist)
   I'm a bit nervous about modifying the exprNode
   but this is the easy way to do this
   If I have time I'd like to cause the exprNode to get created correctly in the first place */
-/*@i223*/
 void exprNode_findValue(exprNode e)
 {
   exprData data;
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