Exemple #1
0
		protected override void Check()
		{
			var intValue = 7;

			{
				var actual = ((CtlFormula)false).EquivalentTo(intValue < 7);
				var expected = new BinaryFormula(
					new StateFormula(new BooleanLiteralExpression(false)),
					BinaryFormulaOperator.Equivalence,
					PathQuantifier.None,
					new StateFormula(new BinaryExpression(BinaryOperator.Less, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))));

				Check(actual, expected);
			}

			{
				var actual = ((CtlFormula)false).EquivalentTo(Ctl.AF(intValue < 7));
				var expected = new BinaryFormula(
					new StateFormula(new BooleanLiteralExpression(false)),
					BinaryFormulaOperator.Equivalence,
					PathQuantifier.None,
					new UnaryFormula(
						new StateFormula(new BinaryExpression(BinaryOperator.Less, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))),
						UnaryFormulaOperator.Finally, PathQuantifier.All));

				Check(actual, expected);
			}
		}
Exemple #2
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		protected override void Check()
		{
			var intValue = 7;

			{
				var actual = Ltl.U(intValue < 7, false);
				var expected = new BinaryFormula(
					new StateFormula(new BinaryExpression(BinaryOperator.Less, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))),
					BinaryFormulaOperator.Until,
					PathQuantifier.None,
					new StateFormula(new BooleanLiteralExpression(false)));

				Check(actual, expected);
			}

			{
				var actual = Ltl.U(Ltl.G(intValue >= 7), false);
				var expected = new BinaryFormula(
					new UnaryFormula(
						new StateFormula(new BinaryExpression(BinaryOperator.GreaterEqual, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))),
						UnaryFormulaOperator.Globally, PathQuantifier.None),
					BinaryFormulaOperator.Until,
					PathQuantifier.None,
					new StateFormula(new BooleanLiteralExpression(false)));

				Check(actual, expected);
			}

			{
				var actual = Ltl.U(intValue >= 7, Ltl.F(false));
				var expected = new BinaryFormula(
					new StateFormula(new BinaryExpression(BinaryOperator.GreaterEqual, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))),
					BinaryFormulaOperator.Until,
					PathQuantifier.None,
					new UnaryFormula(new StateFormula(new BooleanLiteralExpression(false)), UnaryFormulaOperator.Finally, PathQuantifier.None));

				Check(actual, expected);
			}

			{
				var actual = Ltl.U(Ltl.G(intValue >= 7), Ltl.F(false));
				var expected = new BinaryFormula(
					new UnaryFormula(
						new StateFormula(new BinaryExpression(BinaryOperator.GreaterEqual, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))),
						UnaryFormulaOperator.Globally, PathQuantifier.None),
					BinaryFormulaOperator.Until,
					PathQuantifier.None,
					new UnaryFormula(new StateFormula(new BooleanLiteralExpression(false)), UnaryFormulaOperator.Finally, PathQuantifier.None));

				Check(actual, expected);
			}
		}
Exemple #3
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		protected override void Check()
		{
			var c = new C();
			var m = new Model();
			m.AddRootComponents(c);
			m.Seal();

			var actual = Ltl.IsOccurring<C.F1>(c) | Ltl.IsOccurring<C.F2>(c);
			var expected = new BinaryFormula(
				new FaultOccurrenceFormula(c.Metadata.Faults[0]),
				BinaryFormulaOperator.Or, PathQuantifier.None,
				new FaultOccurrenceFormula(c.Metadata.Faults[1]));

			Check(actual, expected);
		}
Exemple #4
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		protected override void Check()
		{
			var intValue = 7;

			{
				var actual = ((Formula)false).EquivalentTo(intValue < 7);
				var expected = new BinaryFormula(
					new StateFormula(() => false),
					BinaryOperator.Equivalence,
					new StateFormula(() => intValue < 7));

				Check(actual, expected);
			}

			{
				var actual = ((Formula)false).EquivalentTo(F(intValue < 7));
				var expected = new BinaryFormula(
					new StateFormula(() => false),
					BinaryOperator.Equivalence,
					new UnaryFormula(new StateFormula(() => intValue < 7), UnaryOperator.Finally));

				Check(actual, expected);
			}

			{
				Formula actual = false.EquivalentTo(intValue < 7);
				var expected = new StateFormula(() => (false && intValue < 7) || (true && intValue >= 7));

				Check(actual, expected);
			}

			{
				var actual = false.EquivalentTo(F(intValue < 7));
				var expected = new BinaryFormula(
					new StateFormula(() => false),
					BinaryOperator.Equivalence,
					new UnaryFormula(new StateFormula(() => intValue < 7), UnaryOperator.Finally));

				Check(actual, expected);
			}

			true.EquivalentTo(true).ShouldBe(true);
			false.EquivalentTo(true).ShouldBe(false);
			true.EquivalentTo(false).ShouldBe(false);
			false.EquivalentTo(false).ShouldBe(true);
		}
Exemple #5
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		protected override void Check()
		{
			var intValue = 7;

			{
				var actual = ((Formula)false).Implies(intValue < 7);
				var expected = new BinaryFormula(
					new StateFormula(() => false),
					BinaryOperator.Implication,
					new StateFormula(() => intValue < 7));

				Check(actual, expected);
			}

			{
				var actual = ((Formula)false).Implies(F(intValue < 7));
				var expected = new BinaryFormula(
					new StateFormula(() => false),
					BinaryOperator.Implication,
					new UnaryFormula(new StateFormula(() => intValue < 7), UnaryOperator.Finally));

				Check(actual, expected);
			}

			{
				var actual = false.Implies(intValue < 7);
				var expected = new StateFormula(() => !false || intValue < 7);

				Check(actual, expected);
			}

			{
				var actual = false.Implies(F(intValue < 7));
				var expected = new BinaryFormula(
					new StateFormula(() => false),
					BinaryOperator.Implication,
					new UnaryFormula(new StateFormula(() => intValue < 7), UnaryOperator.Finally));

				Check(actual, expected);
			}

			true.Implies(true).ShouldBe(true);
			false.Implies(true).ShouldBe(true);
			true.Implies(false).ShouldBe(false);
			false.Implies(false).ShouldBe(true);
		}
Exemple #6
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		protected override void Check()
		{
			var c1 = new C1();
			var c2 = new C2();
			var m = new Model();
			m.AddRootComponents(c1, c2);
			m.Seal();

			var actual = (LtlFormula)c1.F & +c1.C2.F != -c2.F;
			var expected = new BinaryFormula(
				new StateFormula(new FieldExpression(m.Metadata.RootComponent.Subcomponents[0].Fields[0])),
				BinaryFormulaOperator.And, PathQuantifier.None,
				new StateFormula(new BinaryExpression(BinaryOperator.NotEquals,
					new FieldExpression(m.Metadata.RootComponent.Subcomponents[0].Subcomponents[0].Fields[0]),
					new UnaryExpression(UnaryOperator.Minus, new FieldExpression(m.Metadata.RootComponent.Subcomponents[1].Fields[0])))
					));

			Check(actual, expected);
		}
		protected override void Check()
		{
			var x = 0;
			var f = ((Formula)(x == 2) && x == 3) || x == 4;

			var expected = new BinaryFormula(
				new BinaryFormula(new StateFormula(() => x == 2), BinaryOperator.And, new StateFormula(() => x == 3)),
				BinaryOperator.Or,
				new StateFormula(() => x == 4));

			Check(f, expected);

			x = 2;
			Check(f, expected);

			x = 3;
			Check(f, expected);

			x = 4;
			Check(f, expected);
		}
Exemple #8
0
		protected override void Check()
		{
			var intValue = 7;
			var boolValue = false;

			var actual = AF(intValue > 7 && boolValue && X(!boolValue) | intValue < 4) && AF(boolValue);
			var expected = new BinaryFormula(
				new UnaryFormula(
					new UnaryFormula(
						new BinaryFormula(
							new StateFormula(() => intValue > 7 && boolValue),
							BinaryOperator.And,
							new BinaryFormula(
								new UnaryFormula(new StateFormula(() => !boolValue), UnaryOperator.Next),
								BinaryOperator.Or,
								new StateFormula(() => intValue < 4))),
						UnaryOperator.Finally),
					UnaryOperator.All),
				BinaryOperator.And,
				new UnaryFormula(new UnaryFormula(new StateFormula(() => boolValue), UnaryOperator.Finally), UnaryOperator.All));

			Check(actual, expected);
		}
Exemple #9
0
		protected override void Check()
		{
			var intValue = 7;

			{
				var actual = ((LtlFormula)false) & (intValue < 7);
				var expected = new BinaryFormula(
					new StateFormula(new BooleanLiteralExpression(false)),
					BinaryFormulaOperator.And,
					PathQuantifier.None,
					new StateFormula(new BinaryExpression(BinaryOperator.Less, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))));

				Check(actual, expected);
			}

			{
				var actual = Ltl.X(true) & intValue < 7;
				var expected = new BinaryFormula(
					new UnaryFormula(new StateFormula(new BooleanLiteralExpression(true)), UnaryFormulaOperator.Next, PathQuantifier.None),
					BinaryFormulaOperator.And,
					PathQuantifier.None,
					new StateFormula(new BinaryExpression(BinaryOperator.Less, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))));

				Check(actual, expected);
			}

			{
				var actual = intValue < 7 & Ltl.X(true);
				var expected = new BinaryFormula(
					new StateFormula(new BinaryExpression(BinaryOperator.Less, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))),
					BinaryFormulaOperator.And,
					PathQuantifier.None,
					new UnaryFormula(new StateFormula(new BooleanLiteralExpression(true)), UnaryFormulaOperator.Next, PathQuantifier.None));

				Check(actual, expected);
			}

			{
				var actual = false & (Ltl.F(intValue < 7));
				var expected = new BinaryFormula(
					new StateFormula(new BooleanLiteralExpression(false)),
					BinaryFormulaOperator.And,
					PathQuantifier.None,
					new UnaryFormula(
						new StateFormula(new BinaryExpression(BinaryOperator.Less, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))),
						UnaryFormulaOperator.Finally, PathQuantifier.None));

				Check(actual, expected);
			}

			{
				var actual = false & Ltl.F(intValue < 7);
				var expected = new BinaryFormula(
					new StateFormula(new BooleanLiteralExpression(false)),
					BinaryFormulaOperator.And,
					PathQuantifier.None,
					new UnaryFormula(
						new StateFormula(new BinaryExpression(BinaryOperator.Less, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))),
						UnaryFormulaOperator.Finally, PathQuantifier.None));

				Check(actual, expected);
			}
		}
Exemple #10
0
		protected override void Check()
		{
			var intValue = 7;

			{
				var actual = ((Formula)false) | (intValue < 7);
				var expected = new BinaryFormula(
					new StateFormula(() => false),
					BinaryOperator.Or,
					new StateFormula(() => intValue < 7));

				Check(actual, expected);
			}

			{
				var actual = X(true) | intValue < 7;
				var expected = new BinaryFormula(
					new UnaryFormula(new StateFormula(() => true), UnaryOperator.Next),
					BinaryOperator.Or,
					new StateFormula(() => intValue < 7));

				Check(actual, expected);
			}

			{
				var actual = intValue < 7 | X(true);
				var expected = new BinaryFormula(
					new StateFormula(() => intValue < 7),
					BinaryOperator.Or,
					new UnaryFormula(new StateFormula(() => true), UnaryOperator.Next));

				Check(actual, expected);
			}

			{
				var actual = false | (F(intValue < 7));
				var expected = new BinaryFormula(
					new StateFormula(() => false),
					BinaryOperator.Or,
					new UnaryFormula(
						new StateFormula(() => intValue < 7),
						UnaryOperator.Finally));

				Check(actual, expected);
			}

			{
				var actual = ((Formula)false) || (intValue < 7);
				var expected = new BinaryFormula(
					new StateFormula(() => false),
					BinaryOperator.Or,
					new StateFormula(() => intValue < 7));

				Check(actual, expected);
			}

			{
				var actual = X(true) || intValue < 7;
				var expected = new BinaryFormula(
					new UnaryFormula(new StateFormula(() => true), UnaryOperator.Next),
					BinaryOperator.Or,
					new StateFormula(() => intValue < 7));

				Check(actual, expected);
			}

			{
				var actual = intValue < 7 || X(true);
				var expected = new BinaryFormula(
					new StateFormula(() => intValue < 7),
					BinaryOperator.Or,
					new UnaryFormula(new StateFormula(() => true), UnaryOperator.Next));

				Check(actual, expected);
			}

			{
				var actual = intValue < 4 || (F(intValue < 7));
				var expected = new BinaryFormula(
					new StateFormula(() => intValue < 4),
					BinaryOperator.Or,
					new UnaryFormula(
						new StateFormula(() => intValue < 7),
						UnaryOperator.Finally));

				Check(actual, expected);
			}
		}
Exemple #11
0
		protected override void Check()
		{
			var intValue = 7;

			{
				var actual = U(intValue < 7, false);
				var expected = new BinaryFormula(
					new StateFormula(() => intValue < 7),
					BinaryOperator.Until,
					new StateFormula(() => false));

				Check(actual, expected);
			}

			{
				var actual = U(G(intValue >= 7), false);
				var expected = new BinaryFormula(
					new UnaryFormula(
						new StateFormula(() => intValue >= 7),
						UnaryOperator.Globally),
					BinaryOperator.Until,
					new StateFormula(() => false));

				Check(actual, expected);
			}

			{
				var actual = U(intValue >= 7, F(false));
				var expected = new BinaryFormula(
					new StateFormula(() => intValue >= 7),
					BinaryOperator.Until,
					new UnaryFormula(new StateFormula(() => false), UnaryOperator.Finally));

				Check(actual, expected);
			}

			{
				var actual = U(G(intValue >= 7), F(false));
				var expected = new BinaryFormula(
					new UnaryFormula(
						new StateFormula(() => intValue >= 7),
						UnaryOperator.Globally),
					BinaryOperator.Until,
					new UnaryFormula(new StateFormula(() => false), UnaryOperator.Finally));

				Check(actual, expected);
			}

			{
				var actual = AU(G(intValue >= 7), F(false));
				var expected = new UnaryFormula(
					new BinaryFormula(
						new UnaryFormula(
							new StateFormula(() => intValue >= 7),
							UnaryOperator.Globally),
						BinaryOperator.Until,
						new UnaryFormula(new StateFormula(() => false), UnaryOperator.Finally)),
					UnaryOperator.All);

				Check(actual, expected);
			}

			{
				var actual = EU(G(intValue >= 7), F(false));
				var expected = new UnaryFormula(
					new BinaryFormula(
						new UnaryFormula(
							new StateFormula(() => intValue >= 7),
							UnaryOperator.Globally),
						BinaryOperator.Until,
						new UnaryFormula(new StateFormula(() => false), UnaryOperator.Finally)),
					UnaryOperator.Exists);

				Check(actual, expected);
			}
		}
Exemple #12
0
		protected override void Check()
		{
			var intValue = 7;

			{
				var actual = ((Formula)false) & (intValue < 7);
				var expected = new BinaryFormula(
					new StateFormula(() => false),
					BinaryOperator.And,
					new StateFormula(() => intValue < 7));

				Check(actual, expected);
			}

			{
				var actual = X(true) & intValue < 7;
				var expected = new BinaryFormula(
					new UnaryFormula(new StateFormula(() => true), UnaryOperator.Next),
					BinaryOperator.And,
					new StateFormula(() => intValue < 7));

				Check(actual, expected);
			}

			{
				var actual = intValue < 7 & X(true);
				var expected = new BinaryFormula(
					new StateFormula(() => intValue < 7),
					BinaryOperator.And,
					new UnaryFormula(new StateFormula(() => true), UnaryOperator.Next));

				Check(actual, expected);
			}

			{
				var actual = false & (F(intValue < 7));
				var expected = new BinaryFormula(
					new StateFormula(() => false),
					BinaryOperator.And,
					new UnaryFormula(
						new StateFormula(() => intValue < 7),
						UnaryOperator.Finally));

				Check(actual, expected);
			}

			{
				var actual = ((Formula)false) && (intValue < 7);
				var expected = new BinaryFormula(
					new StateFormula(() => false),
					BinaryOperator.And,
					new StateFormula(() => intValue < 7));

				Check(actual, expected);
			}

			{
				var actual = X(true) && intValue < 7;
				var expected = new BinaryFormula(
					new UnaryFormula(new StateFormula(() => true), UnaryOperator.Next),
					BinaryOperator.And,
					new StateFormula(() => intValue < 7));

				Check(actual, expected);
			}

			{
				var actual = intValue < 7 && X(true);
				var expected = new BinaryFormula(
					new StateFormula(() => intValue < 7),
					BinaryOperator.And,
					new UnaryFormula(new StateFormula(() => true), UnaryOperator.Next));

				Check(actual, expected);
			}

			{
				var actual = intValue < 3 && (F(intValue < 7));
				var expected = new BinaryFormula(
					new StateFormula(() => intValue < 3),
					BinaryOperator.And,
					new UnaryFormula(
						new StateFormula(() => intValue < 7),
						UnaryOperator.Finally));

				Check(actual, expected);
			}
		}
Exemple #13
0
		protected override void Check()
		{
			var intValue = 7;

			{
				var actual = ((CtlFormula)false) | (intValue < 7);
				var expected = new BinaryFormula(
					new StateFormula(new BooleanLiteralExpression(false)),
					BinaryFormulaOperator.Or,
					PathQuantifier.None,
					new StateFormula(new BinaryExpression(BinaryOperator.Less, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))));

				Check(actual, expected);
			}

			{
				var actual = Ctl.AX(true) | intValue < 7;
				var expected = new BinaryFormula(
					new UnaryFormula(new StateFormula(new BooleanLiteralExpression(true)), UnaryFormulaOperator.Next, PathQuantifier.All),
					BinaryFormulaOperator.Or,
					PathQuantifier.None,
					new StateFormula(new BinaryExpression(BinaryOperator.Less, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))));

				Check(actual, expected);
			}

			{
				var actual = intValue < 7 | Ctl.AF(true);
				var expected = new BinaryFormula(
					new StateFormula(new BinaryExpression(BinaryOperator.Less, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))),
					BinaryFormulaOperator.Or,
					PathQuantifier.None,
					new UnaryFormula(new StateFormula(new BooleanLiteralExpression(true)), UnaryFormulaOperator.Finally, PathQuantifier.All));

				Check(actual, expected);
			}

			{
				var actual = (false) | (Ctl.EF(intValue < 7));
				var expected = new BinaryFormula(
					new StateFormula(new BooleanLiteralExpression(false)),
					BinaryFormulaOperator.Or,
					PathQuantifier.None,
					new UnaryFormula(
						new StateFormula(new BinaryExpression(BinaryOperator.Less, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))),
						UnaryFormulaOperator.Finally, PathQuantifier.Exists));

				Check(actual, expected);
			}

			{
				var actual = ((CtlFormula)false) | Ctl.EF(intValue < 7);
				var expected = new BinaryFormula(
					new StateFormula(new BooleanLiteralExpression(false)),
					BinaryFormulaOperator.Or,
					PathQuantifier.None,
					new UnaryFormula(
						new StateFormula(new BinaryExpression(BinaryOperator.Less, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))),
						UnaryFormulaOperator.Finally, PathQuantifier.Exists));

				Check(actual, expected);
			}

			{
				var actual = ((CtlFormula)false) | Ctl.EF(intValue < 7 | Ctl.AX(true));
				var expected = new BinaryFormula(
					new StateFormula(new BooleanLiteralExpression(false)),
					BinaryFormulaOperator.Or,
					PathQuantifier.None,
					new UnaryFormula(
						new BinaryFormula(
							new StateFormula(new BinaryExpression(BinaryOperator.Less, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))),
							BinaryFormulaOperator.Or, PathQuantifier.None,
							new UnaryFormula(new StateFormula(new BooleanLiteralExpression(true)), UnaryFormulaOperator.Next, PathQuantifier.All)),
						UnaryFormulaOperator.Finally, PathQuantifier.Exists));

				Check(actual, expected);
			}
		}
Exemple #14
0
		protected override void Check()
		{
			var intValue = 7;

			{
				var actual = Ctl.AU(intValue < 7, false);
				var expected = new BinaryFormula(
					new StateFormula(new BinaryExpression(BinaryOperator.Less, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))),
					BinaryFormulaOperator.Until,
					PathQuantifier.All,
					new StateFormula(new BooleanLiteralExpression(false)));

				Check(actual, expected);
			}

			{
				var actual = Ctl.AU(Ctl.AG(intValue >= 7), false);
				var expected = new BinaryFormula(
					new UnaryFormula(
						new StateFormula(new BinaryExpression(BinaryOperator.GreaterEqual, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))),
						UnaryFormulaOperator.Globally, PathQuantifier.All),
					BinaryFormulaOperator.Until,
					PathQuantifier.All,
					new StateFormula(new BooleanLiteralExpression(false)));

				Check(actual, expected);
			}

			{
				var actual = Ctl.AU(intValue >= 7, Ctl.AF(false));
				var expected = new BinaryFormula(
					new StateFormula(new BinaryExpression(BinaryOperator.GreaterEqual, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))),
					BinaryFormulaOperator.Until,
					PathQuantifier.All,
					new UnaryFormula(new StateFormula(new BooleanLiteralExpression(false)), UnaryFormulaOperator.Finally, PathQuantifier.All));

				Check(actual, expected);
			}

			{
				var actual = Ctl.AU(Ctl.AG(intValue >= 7), Ctl.AF(false));
				var expected = new BinaryFormula(
					new UnaryFormula(
						new StateFormula(new BinaryExpression(BinaryOperator.GreaterEqual, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))),
						UnaryFormulaOperator.Globally, PathQuantifier.All),
					BinaryFormulaOperator.Until,
					PathQuantifier.All,
					new UnaryFormula(new StateFormula(new BooleanLiteralExpression(false)), UnaryFormulaOperator.Finally, PathQuantifier.All));

				Check(actual, expected);
			}

			{
				var actual = Ctl.EU(intValue < 7, false);
				var expected = new BinaryFormula(
					new StateFormula(new BinaryExpression(BinaryOperator.Less, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))),
					BinaryFormulaOperator.Until,
					PathQuantifier.Exists,
					new StateFormula(new BooleanLiteralExpression(false)));

				Check(actual, expected);
			}

			{
				var actual = Ctl.EU(Ctl.EG(intValue >= 7), false);
				var expected = new BinaryFormula(
					new UnaryFormula(
						new StateFormula(new BinaryExpression(BinaryOperator.GreaterEqual, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))),
						UnaryFormulaOperator.Globally, PathQuantifier.Exists),
					BinaryFormulaOperator.Until,
					PathQuantifier.Exists,
					new StateFormula(new BooleanLiteralExpression(false)));

				Check(actual, expected);
			}

			{
				var actual = Ctl.EU(intValue >= 7, Ctl.EF(false));
				var expected = new BinaryFormula(
					new StateFormula(new BinaryExpression(BinaryOperator.GreaterEqual, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))),
					BinaryFormulaOperator.Until,
					PathQuantifier.Exists,
					new UnaryFormula(new StateFormula(new BooleanLiteralExpression(false)), UnaryFormulaOperator.Finally, PathQuantifier.Exists));

				Check(actual, expected);
			}

			{
				var actual = Ctl.EU(Ctl.EG(intValue >= 7), Ctl.EF(false));
				var expected = new BinaryFormula(
					new UnaryFormula(
						new StateFormula(new BinaryExpression(BinaryOperator.GreaterEqual, new IntegerLiteralExpression(7), new IntegerLiteralExpression(7))),
						UnaryFormulaOperator.Globally, PathQuantifier.Exists),
					BinaryFormulaOperator.Until,
					PathQuantifier.Exists,
					new UnaryFormula(new StateFormula(new BooleanLiteralExpression(false)), UnaryFormulaOperator.Finally, PathQuantifier.Exists));

				Check(actual, expected);
			}
		}