Some embarrassing erros. The DNF conversion for negation wasn't
[repair.git] / Repair / RepairCompiler / MCC / IR / GraphAnalysis.java
index 16a51f781861c0a263d3f88e263f629778309427..0d516d3d12d79fb41f0ded1bfe1a605f556ecb6e 100755 (executable)
@@ -35,7 +35,7 @@ public class GraphAnalysis {
                         &&termination.conjunctions.contains(gn2))||
                        cantremovetrans.contains(gn2))
                        cantremovetrans.add(gn3);
-                   
+
                    if (termination.abstractrepair.contains(gn3)||
                        termination.conjunctions.contains(gn3)||
                        termination.updatenodes.contains(gn3)) {
@@ -55,7 +55,7 @@ public class GraphAnalysis {
                if (!goodoption) {
                    if (termination.scopenodes.contains(gn2))
                        return false;
-               }                   
+               }
            }
        }
        if (needcyclecheck) {
@@ -116,6 +116,8 @@ public class GraphAnalysis {
                GraphNode gn=(GraphNode) it.next();
                if (mustremove.contains(gn)||cantremove.contains(gn))
                    continue;
+               if (!safetransclosure(gn, mustremove,cantremove, cantremove))
+                    continue;
 
                boolean allgood=true;
                for(Iterator edgeit=gn.edges();edgeit.hasNext();) {
@@ -124,7 +126,7 @@ public class GraphAnalysis {
                    assert tn2.getType()==TermNode.ABSTRACT;
                    boolean foundupdate=false;
                    for(Iterator edgeit2=gn2.edges();edgeit2.hasNext();) {
-                       GraphNode gn3=((GraphNode.Edge)edgeit2.next()).getTarget();                 
+                       GraphNode gn3=((GraphNode.Edge)edgeit2.next()).getTarget();
                        if (!couldremove.contains(gn3)&&!mustremove.contains(gn3)) {
                            TermNode tn3=(TermNode)gn3.getOwner();
                            if (tn3.getType()==TermNode.UPDATE)
@@ -153,7 +155,7 @@ public class GraphAnalysis {
 
 
            /* Look for constraints which can only be satisfied one way */
-           
+
            Vector constraints=termination.state.vConstraints;
            for(int i=0;i<constraints.size();i++) {
                Constraint c=(Constraint)constraints.get(i);
@@ -226,7 +228,7 @@ public class GraphAnalysis {
                        change=true;
                }
            }
-           
+
            if (Compiler.AGGRESSIVESEARCH) {
                /* Aggressively remove compensation nodes */
                for(Iterator scopeit=termination.scopenodes.iterator();scopeit.hasNext();) {
@@ -321,7 +323,7 @@ public class GraphAnalysis {
                    AbstractRepair ar=tn2.getAbstract();
                    boolean ismodify=ar.getType()==AbstractRepair.MODIFYRELATION;
                    int numadd=0;int numremove=0;
-                   
+
                    for (Iterator edgeit2=gn2.edges();edgeit2.hasNext();) {
                        GraphNode.Edge e2=(GraphNode.Edge)edgeit2.next();
                        GraphNode gn3=e2.getTarget();
@@ -392,11 +394,11 @@ public class GraphAnalysis {
                        GraphNode.Edge e=(GraphNode.Edge)edgeit.next();
                        GraphNode gn2=e.getTarget();
                        TermNode tn2=(TermNode)gn2.getOwner();
-                       
+
                        if ((tn2.getType()==TermNode.CONSEQUENCE)&&
                            !mustremove.contains(gn2))
                            count++;
-                           
+
 
                        if (tn2.getType()!=TermNode.UPDATE)
                            continue;
@@ -405,7 +407,7 @@ public class GraphAnalysis {
                        boolean containsgn2=cantremove.contains(gn2);
                        cantremove.add(gn);
                        cantremove.add(gn2);
-                       
+
                        Set cycle=GraphNode.findcycles(cantremove);
                        if (cycle.contains(gn2)) {
                            if (!mustremove.contains(gn2)) {
@@ -421,7 +423,7 @@ public class GraphAnalysis {
                        if (!containsgn2)
                            cantremove.remove(gn2);
                    }
-               
+
                    if (count==1) {
                        for (Iterator edgeit=gn.edges();edgeit.hasNext();) {
                            GraphNode.Edge e=(GraphNode.Edge)edgeit.next();
@@ -440,7 +442,7 @@ public class GraphAnalysis {
            }
            couldremove.removeAll(mustremove);
            couldremove.removeAll(cantremove);
-           
+
            Vector couldremovevector=new Vector();
            couldremovevector.addAll(couldremove);
            Vector combination=new Vector();
@@ -460,7 +462,7 @@ public class GraphAnalysis {
                e.printStackTrace();
                System.exit(-1);
            }
-           
+
            System.out.println("Searching set of "+couldremove.size()+" nodes.");
            System.out.println("Eliminated must "+mustremove.size()+" nodes");
            System.out.println("Eliminated cant "+cantremove.size()+" nodes");
@@ -479,22 +481,31 @@ public class GraphAnalysis {
                GraphNode gn=(GraphNode)it.next();
                System.out.println(gn.getTextLabel());
            }
-           
-           
+
+           System.out.println("==================================================");
            while(true) {
                if (illegal(combination,couldremovevector))
                    break;
                Set combinationset=buildset(combination,couldremovevector);
+                System.out.println("---------------------------");
+                for(Iterator it=combinationset.iterator();it.hasNext();) {
+                    System.out.println(((GraphNode)it.next()).getTextLabel());
+                }
+                System.out.println("---------------------------");
                checkmodify(combinationset);
                combinationset.addAll(mustremove);
                if (combinationset!=null) {
-                   System.out.println("Checkabstract="+checkAbstract(combinationset));
-                   System.out.println("Checkrepairs="+checkRepairs(combinationset));
-                   System.out.println("Checkall="+checkAll(combinationset));
-                   
-                   if (checkAbstract(combinationset)==0&&
-                       checkRepairs(combinationset)==0&&
-                       checkAll(combinationset)==0) {
+                    int checkabstract=checkAbstract(combinationset);
+                    int checkrep=checkRepairs(combinationset);
+                    int checkall=checkAll(combinationset);
+
+                   System.out.println("Checkabstract="+checkabstract);
+                   System.out.println("Checkrepairs="+checkrep);
+                   System.out.println("Checkall="+checkall);
+
+                   if (checkabstract==0&&
+                       checkrep==0&&
+                       checkall==0) {
                        return combinationset;
                    }
                }
@@ -522,7 +533,7 @@ public class GraphAnalysis {
                    if (!removednodes.contains(gn2)&&
                        tn2.getType()==TermNode.UPDATE) {
                        MultUpdateNode mun=tn2.getUpdate();
-                       
+
                        if (mun.getType()==MultUpdateNode.ADD)
                            numadd++;
                        if (mun.getType()==MultUpdateNode.REMOVE)
@@ -709,7 +720,7 @@ public class GraphAnalysis {
        tset.addAll(termination.consequencenodes);
        abstractnodes.retainAll(tset);
        Set cycles=GraphNode.findcycles(abstractnodes);
-       
+
        for(Iterator it=cycles.iterator();it.hasNext();) {
            GraphNode gn=(GraphNode)it.next();
            System.out.println("NODE: "+gn.getTextLabel());