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126 lines
4.6 KiB
126 lines
4.6 KiB
// polling example [IT90]
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// gxn/dxp 26/01/00
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ctmc
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const int N = 17;
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const double mu = 1;
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const double gamma = 200;
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const double lambda = mu/N;
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module server
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s : [1..17]; // station
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a : [0..1]; // action: 0=polling, 1=serving
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[loop1a] (s=1)&(a=0) -> gamma : (s'=s+1);
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[loop1b] (s=1)&(a=0) -> gamma : (a'=1);
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[serve1] (s=1)&(a=1) -> mu : (s'=s+1)&(a'=0);
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[loop2a] (s=2)&(a=0) -> gamma : (s'=s+1);
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[loop2b] (s=2)&(a=0) -> gamma : (a'=1);
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[serve2] (s=2)&(a=1) -> mu : (s'=s+1)&(a'=0);
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[loop3a] (s=3)&(a=0) -> gamma : (s'=s+1);
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[loop3b] (s=3)&(a=0) -> gamma : (a'=1);
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[serve3] (s=3)&(a=1) -> mu : (s'=s+1)&(a'=0);
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[loop4a] (s=4)&(a=0) -> gamma : (s'=s+1);
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[loop4b] (s=4)&(a=0) -> gamma : (a'=1);
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[serve4] (s=4)&(a=1) -> mu : (s'=s+1)&(a'=0);
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[loop5a] (s=5)&(a=0) -> gamma : (s'=s+1);
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[loop5b] (s=5)&(a=0) -> gamma : (a'=1);
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[serve5] (s=5)&(a=1) -> mu : (s'=s+1)&(a'=0);
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[loop6a] (s=6)&(a=0) -> gamma : (s'=s+1);
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[loop6b] (s=6)&(a=0) -> gamma : (a'=1);
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[serve6] (s=6)&(a=1) -> mu : (s'=s+1)&(a'=0);
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[loop7a] (s=7)&(a=0) -> gamma : (s'=s+1);
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[loop7b] (s=7)&(a=0) -> gamma : (a'=1);
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[serve7] (s=7)&(a=1) -> mu : (s'=s+1)&(a'=0);
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[loop8a] (s=8)&(a=0) -> gamma : (s'=s+1);
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[loop8b] (s=8)&(a=0) -> gamma : (a'=1);
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[serve8] (s=8)&(a=1) -> mu : (s'=s+1)&(a'=0);
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[loop9a] (s=9)&(a=0) -> gamma : (s'=s+1);
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[loop9b] (s=9)&(a=0) -> gamma : (a'=1);
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[serve9] (s=9)&(a=1) -> mu : (s'=s+1)&(a'=0);
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[loop10a] (s=10)&(a=0) -> gamma : (s'=s+1);
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[loop10b] (s=10)&(a=0) -> gamma : (a'=1);
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[serve10] (s=10)&(a=1) -> mu : (s'=s+1)&(a'=0);
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[loop11a] (s=11)&(a=0) -> gamma : (s'=s+1);
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[loop11b] (s=11)&(a=0) -> gamma : (a'=1);
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[serve11] (s=11)&(a=1) -> mu : (s'=s+1)&(a'=0);
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[loop12a] (s=12)&(a=0) -> gamma : (s'=s+1);
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[loop12b] (s=12)&(a=0) -> gamma : (a'=1);
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[serve12] (s=12)&(a=1) -> mu : (s'=s+1)&(a'=0);
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[loop13a] (s=13)&(a=0) -> gamma : (s'=s+1);
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[loop13b] (s=13)&(a=0) -> gamma : (a'=1);
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[serve13] (s=13)&(a=1) -> mu : (s'=s+1)&(a'=0);
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[loop14a] (s=14)&(a=0) -> gamma : (s'=s+1);
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[loop14b] (s=14)&(a=0) -> gamma : (a'=1);
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[serve14] (s=14)&(a=1) -> mu : (s'=s+1)&(a'=0);
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[loop15a] (s=15)&(a=0) -> gamma : (s'=s+1);
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[loop15b] (s=15)&(a=0) -> gamma : (a'=1);
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[serve15] (s=15)&(a=1) -> mu : (s'=s+1)&(a'=0);
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[loop16a] (s=16)&(a=0) -> gamma : (s'=s+1);
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[loop16b] (s=16)&(a=0) -> gamma : (a'=1);
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[serve16] (s=16)&(a=1) -> mu : (s'=s+1)&(a'=0);
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[loop17a] (s=17)&(a=0) -> gamma : (s'=1);
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[loop17b] (s=17)&(a=0) -> gamma : (a'=1);
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[serve17] (s=17)&(a=1) -> mu : (s'=1)&(a'=0);
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endmodule
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module station1
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s1 : [0..1]; // state of station: 0=empty, 1=full
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[loop1a] (s1=0) -> 1 : (s1'=0);
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[] (s1=0) -> lambda : (s1'=1);
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[loop1b] (s1=1) -> 1 : (s1'=1);
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[serve1] (s1=1) -> 1 : (s1'=0);
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endmodule
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// construct further stations through renaming
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module station2 = station1 [ s1=s2, loop1a=loop2a, loop1b=loop2b, serve1=serve2 ] endmodule
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module station3 = station1 [ s1=s3, loop1a=loop3a, loop1b=loop3b, serve1=serve3 ] endmodule
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module station4 = station1 [ s1=s4, loop1a=loop4a, loop1b=loop4b, serve1=serve4 ] endmodule
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module station5 = station1 [ s1=s5, loop1a=loop5a, loop1b=loop5b, serve1=serve5 ] endmodule
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module station6 = station1 [ s1=s6, loop1a=loop6a, loop1b=loop6b, serve1=serve6 ] endmodule
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module station7 = station1 [ s1=s7, loop1a=loop7a, loop1b=loop7b, serve1=serve7 ] endmodule
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module station8 = station1 [ s1=s8, loop1a=loop8a, loop1b=loop8b, serve1=serve8 ] endmodule
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module station9 = station1 [ s1=s9, loop1a=loop9a, loop1b=loop9b, serve1=serve9 ] endmodule
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module station10 = station1 [ s1=s10, loop1a=loop10a, loop1b=loop10b, serve1=serve10 ] endmodule
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module station11 = station1 [ s1=s11, loop1a=loop11a, loop1b=loop11b, serve1=serve11 ] endmodule
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module station12 = station1 [ s1=s12, loop1a=loop12a, loop1b=loop12b, serve1=serve12 ] endmodule
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module station13 = station1 [ s1=s13, loop1a=loop13a, loop1b=loop13b, serve1=serve13 ] endmodule
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module station14 = station1 [ s1=s14, loop1a=loop14a, loop1b=loop14b, serve1=serve14 ] endmodule
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module station15 = station1 [ s1=s15, loop1a=loop15a, loop1b=loop15b, serve1=serve15 ] endmodule
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module station16 = station1 [ s1=s16, loop1a=loop16a, loop1b=loop16b, serve1=serve16 ] endmodule
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module station17 = station1 [ s1=s17, loop1a=loop17a, loop1b=loop17b, serve1=serve17 ] endmodule
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// (cumulative) rewards
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// expected time station 1 is waiting to be served
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rewards "waiting"
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s1=1 & !(s=1 & a=1) : 1;
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endrewards
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// expected number of times station 1 is served
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rewards "served"
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[serve1] true : 1;
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endrewards
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