add lab1 and lab2 exercises

lab2/fifo-properties.smv

@@ -0,0 +1,55 @@
+--=========================================================================
+-- Exercise 2
+--=========================================================================
+
+--=========================================================================
+-- PROPERTIES OF FIFO
+--=========================================================================
+-- This file is not a standalone NuSMV file: it is to be included in
+-- fifo.smv or fifo-fixed.smv.
+
+-- The LTL properties in this file are numbered.  To have
+-- NuSMV check just the property numbered <p>, run it with the added
+-- option -n <p>.
+
+---------------------------------------------------------------------------
+-- Section 2.1, LTL Properties
+---------------------------------------------------------------------------
+
+
+--0: (a)
+LTLSPEC G(!(empty & full));
+
+--1: (b)
+LTLSPEC (F G write & ! G F read) -> (F full);
+
+
+--2: (c)
+LTLSPEC G (F ((wr_data = 0ud1_1) & write & !full)) -> F (rd_data = 0ud1_1);
+
+
+--3: (d)
+LTLSPEC G (F ((wr_data = data1) & write & !full)) -> F (rd_data = data1);
+
+
+-- salvo gli esercizi in una repo e ve li mando
+-- thk
+
+--4: (e)
+LTLSPEC
+  TRUE;
+
+--5: (f)
+
+LTLSPEC
+  TRUE;
+
+---------------------------------------------------------------------------
+-- Section 2.2, LTL Property showing bug
+---------------------------------------------------------------------------
+
+--6:
+LTLSPEC
+  TRUE;
+
+