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mdp
module server
s:[0..3]; i:[0..3]; j:[0..3];
// initial cancel loops [client1_cancel] s=0 -> true; [client2_cancel] s=0 -> true; [client3_cancel] s=0 -> true; // client i request/grant/cancel [client1_request] s=0 -> (s'=1) & (i'=1); [client1_grant] s=1 & i=1 -> (s'=2); [client1_cancel] s=2 & i=1 -> (s'=0) & (i'=0); [client2_request] s=0 -> (s'=1) & (i'=2); [client2_grant] s=1 & i=2 -> (s'=2); [client2_cancel] s=2 & i=2 -> (s'=0) & (i'=0); [client3_request] s=0 -> (s'=1) & (i'=3); [client3_grant] s=1 & i=3 -> (s'=2); [client3_cancel] s=2 & i=3 -> (s'=0) & (i'=0); // deny other requests when serving [client1_request] s=2 -> (s'=3) & (j'=1); [client1_deny] s=3 & j=1 -> (s'=2) & (j'=0); [client2_request] s=2 -> (s'=3) & (j'=2); [client2_deny] s=3 & j=2 -> (s'=2) & (j'=0); [client3_request] s=2 -> (s'=3) & (j'=3); [client3_deny] s=3 & j=3 -> (s'=2) & (j'=0); // cancel loops when serving [client1_cancel] s=2 & i!=1 -> true; [client2_cancel] s=2 & i!=2 -> true; [client3_cancel] s=2 & i!=3 -> true; endmodule
module client1
c1:[-1..3];
[client1_ch_mind] c1=-1 -> 0.9:(c1'=0)+0.1:(c1'=3); // change mind with probability 0.1 [client1_request] c1=0 -> (c1'=1); [client1_deny] c1=1 -> (c1'=0); [client1_grant] c1=1 -> (c1'=2); [client1_useResource] c1=2 -> (c1'=2); [client1_cancel] c1=2 -> (c1'=0); [client1_cancel] c1=3 -> (c1'=1);
endmodule
module client2 = client1[ c1=c2, client1_ch_mind=client2_ch_mind, client1_request=client2_request,client1_deny=client2_deny, client1_grant=client2_grant,client1_useResource=client2_useResource, client1_cancel=client2_cancel]
endmodule
module client3 = client1[ c1=c3, client1_ch_mind=client3_ch_mind, client1_request=client3_request,client1_deny=client3_deny, client1_grant=client3_grant,client1_useResource=client3_useResource, client1_cancel=client3_cancel]
endmodule
rewards "grants" [client1_grant] true : 1; [client2_grant] true : 1; [client3_grant] true : 1;endrewards
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