Example #1
0
        public void TestMobilizedWhenAlloc()
        {
            ILiteral alloc = new Proposition ("allocated");
            ILiteral mob = new Proposition ("mobilized");
            ILiteral nalloc = new Negation (alloc);
            ILiteral nmob = new Negation (mob);

            var lts = new BuchiAutomaton<AutomatonNode> (new AutomatonNodeFactory ());
            var n0 = lts.AddNode ("i");
            var n1 = lts.AddNode ("s0");
            var n2 = lts.AddNode ("s1");
            var n3 = lts.AddNode ("s2");

            lts.SetInitialNode (n0);

            lts.AddTransition (n0, n1, new ILiteral [] { nalloc, nmob });
            lts.AddTransition (n1, n2, new ILiteral [] { alloc, nmob });
            lts.AddTransition (n2, n3, new ILiteral [] { alloc, mob });
            lts.AddTransition (n3, n0, new ILiteral [] { nalloc, nmob });

            lts.SetAcceptanceCondition (new BuchiAcceptance<AutomatonNode> (lts.Nodes));

            var f = new StrongImplication (alloc, new Next (mob)).Negate ();

            var t = new GPVW ();
            var gba = t.GetGBA (f);
            var ba = gba.ToBA ();

            var otfec = new OnTheFlyEmptinessChecker<AutomatonNode,AutomatonNode> (ba, lts);
            var e1 = otfec.Emptiness ();

            if (e1) {

                foreach (var i in otfec.counterexample_prefix) {
                    Console.WriteLine (i.Name);
                }
                Console.WriteLine ("-- loop starts here --");
                foreach (var i in otfec.counterexample_loop) {
                    Console.WriteLine (i.Name);
                }
                Console.WriteLine ("-- loop ends here --");
            } else {
                Console.WriteLine ("No trace found");
            }
        }
Example #2
0
        public void TestMobilizedWhenAllocGBA()
        {
            ILiteral alloc = new Proposition ("allocated");
            ILiteral mob = new Proposition ("mobilized");
            ILiteral nalloc = new Negation (alloc);
            ILiteral nmob = new Negation (mob);

            var lts = new BuchiAutomaton<AutomatonNode> (new AutomatonNodeFactory ());
            var n0 = lts.AddNode ("i");
            var n1 = lts.AddNode ("s0");
            var n2 = lts.AddNode ("s1");
            var n3 = lts.AddNode ("s2");

            lts.SetInitialNode (n0);

            lts.AddTransition (n0, n1, new ILiteral [] { nalloc, nmob });
            lts.AddTransition (n1, n2, new ILiteral [] { alloc, nmob });
            lts.AddTransition (n2, n3, new ILiteral [] { alloc, mob });
            lts.AddTransition (n3, n0, new ILiteral [] { nalloc, nmob });

            lts.SetAcceptanceCondition (new BuchiAcceptance<AutomatonNode> (lts.Nodes));

            var f = new StrongImplication (alloc, new Next (mob)).Negate ();

            var t = new GPVW ();
            var gba = t.GetGBA (f);

            var otfec = new OnTheFlyGBAEmptinessChecker (gba, lts);
            var e1 = otfec.EmptinessSearch ();

            Console.WriteLine (e1);
        }
Example #3
0
 public void TestMobilizedWhenAlloc()
 {
     ITLFormula f0 = new StrongImplication (new Proposition ("allocated"), new Proposition ("allocated"));
     AssertEquivalentEmptiness (f0.Negate ());
 }