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(c) Explain the following Promela code and LTL formulae: byte turn [2]; byte mutex; active [2] proctype P() { byte i = _pid; do
(c) Explain the following Promela code and LTL formulae: byte turn [2]; byte mutex; active [2] proctype P() { byte i = _pid; do :: turn[i] = 1; CS: od turn[i] = turn[1-i] + 1; (turn [1-i] == 0) || (turn[i] < turn[1-i]) -> mutex++; mutex - - ; turn[i] = 0 } ltl invariant { [] ((P@CS) -> (mutex == 1)) } [9 marks]
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Income Tax Fundamentals 2013
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
31st Edition
1111972516, 978-1285586618, 1285586611, 978-1285613109, 978-1111972516
