More tweaks.

src/main/java/edu/rpi/rair/Action.java

@@ -6,6 +6,7 @@ import com.naveensundarg.shadow.prover.representations.value.Compound;
 import com.naveensundarg.shadow.prover.representations.value.Value;
 import com.naveensundarg.shadow.prover.representations.value.Variable;
 import com.naveensundarg.shadow.prover.utils.CollectionUtils;
+import com.naveensundarg.shadow.prover.utils.Logic;
 import com.naveensundarg.shadow.prover.utils.Sets;
 
 import java.util.List;
@@ -27,6 +28,7 @@ public class Action {
     private final Formula precondition;
 
     private int weight;
+    private final boolean  trivial;
 
     private final Compound shorthand;
 
@@ -52,6 +54,8 @@ public class Action {
 
         List<Value> valuesList = freeVariables.stream().collect(Collectors.toList());;
         this.shorthand = new Compound(name, valuesList);
+
+        this.trivial = computeTrivialOrNot();
     }
 
     private Action(String name, Set<Formula> preconditions, Set<Formula> additions,
@@ -78,6 +82,8 @@ public class Action {
                 deletions.stream().mapToInt(Formula::getWeight).sum();
 
         this.shorthand = shorthand;
+        this.trivial = computeTrivialOrNot();
+
     }
 
 
@@ -139,12 +145,19 @@ public class Action {
         return name;
     }
 
+    public boolean isNonTrivial() {
+        return !trivial;
+    }
 
-    public boolean isNonTrivial(){
+    public boolean computeTrivialOrNot(){
 
         boolean case1Trivial =  Sets.subset(additions, preconditions) && deletions.isEmpty();
 
-        return !case1Trivial;
+        boolean case2Trivial =  additions.isEmpty() && deletions.stream().allMatch(x->preconditions.stream().anyMatch(y->y.equals(Logic.negated(x))));
+
+        boolean trivial = case1Trivial || case2Trivial;
+
+        return trivial;
     }
     @Override
     public String toString() {

src/main/java/edu/rpi/rair/DepthFirstPlanner.java

@@ -1,11 +1,9 @@
 package edu.rpi.rair;
 
 import com.naveensundarg.shadow.prover.representations.formula.Formula;
-import com.naveensundarg.shadow.prover.utils.CollectionUtils;
 import com.naveensundarg.shadow.prover.utils.Pair;
 import com.naveensundarg.shadow.prover.utils.Sets;
 
-import javax.swing.text.html.Option;
 import java.util.*;
 import java.util.stream.Collectors;
 

src/main/java/edu/rpi/rair/utils/RunDemo.java

@@ -32,13 +32,13 @@ public class RunDemo {
             List<Problem> problems = ProblemReader.readFrom(Sandbox.class.getResourceAsStream("firstorder-completness-tests.clj"));
 
             problems.forEach(problem -> {
-                for (int i = 0; i < 5; i++) {
+                for (int i = 0; i < 10; i++) {
                     prover.prove(problem.getAssumptions(), problem.getGoal());
 
                 }
             });
 
-            planningProblemWarmUp();
+           planningProblemWarmUp();
             System.out.println("\nWARM UP DONE");
         } catch (Reader.ParsingException e) {
             e.printStackTrace();
@@ -88,7 +88,7 @@ public class RunDemo {
             cp.clear();
             cp.print(" ");
             cp.setAttribute(Ansi.Attribute.BOLD);
-            cp.print((end - start) / 1000 + "s");
+            cp.print((end - start) / 1000.0 + "s");
 
 
 
@@ -97,9 +97,8 @@ public class RunDemo {
     public static void planningProblemWarmUp() throws Reader.ParsingException {
 
 
-        for (int i = 0; i < 5; i++) {
+        for (int i = 0; i < 10; i++) {
 
-            System.out.println();
 
             List<GoalTrackingProblem> goalTrackingProblemList = (GoalTrackingProblem.readFromFile(Planner.class.getResourceAsStream("goal_management_1.clj")));
 
@@ -121,20 +120,14 @@ public class RunDemo {
 
             goalTracker.adoptGoal(g1);
 
-            System.out.print(".");
-
             goalTracker.adoptGoal(g2);
 
 
-            System.out.print(".");
-
             goalTracker.adoptGoal(g3);
 
-            System.out.print(".");
 
             goalTracker.adoptGoal(g4);
 
-            System.out.print(".");
 
             goalTracker.adoptGoal(g5);