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netfiles/fischer.aut

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+#######################################
+# Fischer's mutual exclusion protocol #
+#######################################
+#                                     #
+# przy setv1, setv2 - duza delta      #
+# przy enter1, enter2 - mala delta    #
+#                                     #
+# wzajemne wykluczanie przy:          #
+#                                     #
+#   mala delta >= duza delta          #
+#                                     #
+#######################################
+
+net {
+	actions {
+		start1;
+		setv1;
+		enter1;
+		setv01;
+		
+		start2;
+		setv2;
+		enter2;
+		setv02;
+	};
+
+	automaton proc1 {
+		clocks {
+			x1;
+		};
+		locations {
+			idle1 { init; };
+			try1;
+			wait1;
+			crit1;
+		};
+		trans {
+			idle1 -> try1, start1, , { x1; };
+			try1 -> wait1, setv1, x1 < 1, { x1; };
+			wait1 -> crit1, enter1, x1 > 2, { };
+			crit1 -> idle1, setv01, , { };
+		};
+	};
+
+	automaton proc2 {
+		clocks {
+			x2;
+		};
+		locations {
+			idle2 { init; };
+			try2;
+			wait2;
+			crit2;
+		};
+		trans {
+			idle2 -> try2, start2, , { x2; };
+			try2 -> wait2, setv2, x2 < 1, { x2; };
+			wait2 -> crit2, enter2, x2 > 2, { };
+			crit2 -> idle2, setv02, , { };
+		};
+	};
+	
+	automaton varV {
+		locations {
+			v0 { init; };
+			v1;
+			v2;
+		};
+		trans {
+			v0 -> v0, start1, , { };
+			v0 -> v0, start2, , { };
+			v0 -> v1, setv1, , { };
+			v0 -> v2, setv2, , { };
+			
+			v1 -> v0, setv01, , { };
+			v1 -> v1, enter1, , { };
+			v1 -> v1, setv1, , { };
+			v1 -> v2, setv2, , { };
+			
+			v2 -> v0, setv02, , { };
+			v2 -> v2, enter2, , { };
+			v2 -> v1, setv1, , { };
+			v2 -> v2, setv2, , { };
+		
+		};
+	};
+
+};