From e3e9aff76e22d05cdb3c558c8106d4a201aa0141 Mon Sep 17 00:00:00 2001
From: Pantazis Deligiannis <pdeligia@me.com>
Date: Sun, 6 Oct 2013 16:38:52 +0100
Subject: fixed bug with the exchange refuted invariants process

---
 Source/Houdini/ConcurrentHoudini.cs | 36 +++++++++++++++++++++++++++++++-----
 Source/Houdini/Houdini.cs           |  2 ++
 2 files changed, 33 insertions(+), 5 deletions(-)

(limited to 'Source')

diff --git a/Source/Houdini/ConcurrentHoudini.cs b/Source/Houdini/ConcurrentHoudini.cs
index 687dfb78..b16370e9 100644
--- a/Source/Houdini/ConcurrentHoudini.cs
+++ b/Source/Houdini/ConcurrentHoudini.cs
@@ -86,11 +86,40 @@ namespace Microsoft.Boogie.Houdini
     {
       int count = 0;
 
+      if (CommandLineOptions.Clo.DebugConcurrentHoudini)
+        Console.WriteLine("# number of shared refuted annotations: " + refutedSharedAnnotations.Count);
+
       foreach (string key in refutedSharedAnnotations.Keys) {
         KeyValuePair<Variable, bool> kv = currentHoudiniState.Assignment.FirstOrDefault(entry => entry.Key.Name.Equals(key) && entry.Value);
-        RefutedAnnotation ra = refutedSharedAnnotations[key];
 
         if (kv.Key != null) {
+          RefutedAnnotation ra = null;
+          Implementation refutationSite = null;
+
+          foreach (var r in program.TopLevelDeclarations.OfType<Implementation>()) {
+            if (r.Name.Equals(refutedSharedAnnotations[key].RefutationSite.Name)) {
+              refutationSite = r;
+              break;
+            }
+          }
+          Debug.Assert(refutationSite != null);
+
+          if (refutedSharedAnnotations[key].Kind == RefutedAnnotationKind.REQUIRES) {
+            Procedure proc = null;
+            foreach (var p in program.TopLevelDeclarations.OfType<Procedure>()) {
+              if (p.Name.Equals(refutedSharedAnnotations[key].CalleeProc.Name)) {
+                proc = p;
+                break;
+              }
+            }
+            Debug.Assert(proc != null);
+            ra = RefutedAnnotation.BuildRefutedRequires(kv.Key, proc, refutationSite);
+          } else if (refutedSharedAnnotations[key].Kind == RefutedAnnotationKind.ENSURES)
+            ra = RefutedAnnotation.BuildRefutedEnsures(kv.Key, refutationSite);
+          else if (refutedSharedAnnotations[key].Kind == RefutedAnnotationKind.ASSERT)
+            ra = RefutedAnnotation.BuildRefutedAssert(kv.Key, refutationSite);
+          Debug.Assert(ra != null);
+
           if (CommandLineOptions.Clo.DebugConcurrentHoudini)
             Console.WriteLine("(+) " + ra.Constant + "," + ra.Kind + "," + ra.CalleeProc + "," + ra.RefutationSite);
 
@@ -121,7 +150,7 @@ namespace Microsoft.Boogie.Houdini
           RefutedAnnotation refutedAnnotation = ExtractRefutedAnnotation(error);
           // some candidate annotation removed
           if (refutedAnnotation != null) {
-            refutedSharedAnnotations.TryAdd (refutedAnnotation.Constant.Name, refutedAnnotation);
+            refutedSharedAnnotations.TryAdd(refutedAnnotation.Constant.Name, refutedAnnotation);
             AddRelatedToWorkList(refutedAnnotation);
             UpdateAssignment(refutedAnnotation);
             dequeue = false;
@@ -142,9 +171,6 @@ namespace Microsoft.Boogie.Houdini
           }
         }
 
-        if (CommandLineOptions.Clo.DebugConcurrentHoudini)
-          Console.WriteLine("# number of shared refuted annotations: " + refutedSharedAnnotations.Count);
-
         if (ExchangeRefutedAnnotations()) dequeue = false;
 
         break;
diff --git a/Source/Houdini/Houdini.cs b/Source/Houdini/Houdini.cs
index c3575800..4b533e5b 100644
--- a/Source/Houdini/Houdini.cs
+++ b/Source/Houdini/Houdini.cs
@@ -712,6 +712,8 @@ namespace Microsoft.Boogie.Houdini {
     }
 
     protected void AddRelatedToWorkList(RefutedAnnotation refutedAnnotation) {
+      if (refutedAnnotation == null) Console.WriteLine("TEEEEEST!!!");
+
       Contract.Assume(currentHoudiniState.Implementation != null);
       foreach (Implementation implementation in FindImplementationsToEnqueue(refutedAnnotation, refutedAnnotation.RefutationSite)) {
         if (!currentHoudiniState.isBlackListed(implementation.Name)) {
-- 
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