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source:
vis_dev/vis-2.1/examples/treearbiter/8-arbit.ltl
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15
| Last change on this file since 15 was 11, checked in by , 14 years ago | |
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| File size: 390 bytes | |
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| 1 | # never have both cells holding the token at the same time |
| 2 | G !(G1.C1.holdToken = myTRUE * G1.C2.holdToken = myTRUE); |
| 3 | |
| 4 | # never have G1.P3 and G1.P2 holding the token; |
| 5 | # actually need a formula for each pair of procs... |
| 6 | G !(G1.P3.procState = lock * G1.P2.procState = lock); |
| 7 | |
| 8 | # ensures liveness - needs fairness on the procs to pass |
| 9 | G (G1.P3.procState = request -> F(G1.P3.procState = lock)); |
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