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p07-phil8.pddl
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;; This problem instance specifies a
;; particular communication protocol
;; that is compiled from Promela source
;; (c) Stefan Edelkamp, 2004
(define (problem instance)
(:domain protocol)
(:objects
;; available processes
philosopher-0
philosopher-1
philosopher-2
philosopher-3
philosopher-4
philosopher-5
philosopher-6
philosopher-7
- process
;; available comunication channels
forks-0-
forks-1-
forks-2-
forks-3-
forks-4-
forks-5-
forks-6-
forks-7-
- queue
;; available comunication channels types
queue-1
- queuetype
;; available queue cells
qs-0
- queue-state
;; available message types
empty
fork
- message
;; available number tags
zero
one
- number_
;; available process types
philosopher
- proctype
;; possible local states
state-1
state-6
state-3
state-4
state-5
- state
;; possible state transitions
forks--pid-Wfork
forks--pid-Rfork
forks-__-pidp1__8_-Rfork
forks-__-pidp1__8_-Wfork
- transition
)
(:init
(queue-next queue-1 qs-0 qs-0)
(is-not-max queue-1 zero)
(is-max queue-1 one)
;; process declaration: activeness, start state, type
(pending philosopher-0)
(at-process philosopher-0 state-1)
(is-a-process philosopher-0 philosopher)
(pending philosopher-1)
(at-process philosopher-1 state-1)
(is-a-process philosopher-1 philosopher)
(pending philosopher-2)
(at-process philosopher-2 state-1)
(is-a-process philosopher-2 philosopher)
(pending philosopher-3)
(at-process philosopher-3 state-1)
(is-a-process philosopher-3 philosopher)
(pending philosopher-4)
(at-process philosopher-4 state-1)
(is-a-process philosopher-4 philosopher)
(pending philosopher-5)
(at-process philosopher-5 state-1)
(is-a-process philosopher-5 philosopher)
(pending philosopher-6)
(at-process philosopher-6 state-1)
(is-a-process philosopher-6 philosopher)
(pending philosopher-7)
(at-process philosopher-7 state-1)
(is-a-process philosopher-7 philosopher)
;; numerics
(is-zero zero)
(dec one zero)
(inc zero one)
(is-not-zero one)
;; queue configuration
(is-a-queue forks-0- queue-1)
(queue-head forks-0- qs-0)
(queue-tail forks-0- qs-0)
(queue-head-msg forks-0- empty)
(queue-size forks-0- zero)
(settled forks-0-)
(is-a-queue forks-1- queue-1)
(queue-head forks-1- qs-0)
(queue-tail forks-1- qs-0)
(queue-head-msg forks-1- empty)
(queue-size forks-1- zero)
(settled forks-1-)
(is-a-queue forks-2- queue-1)
(queue-head forks-2- qs-0)
(queue-tail forks-2- qs-0)
(queue-head-msg forks-2- empty)
(queue-size forks-2- zero)
(settled forks-2-)
(is-a-queue forks-3- queue-1)
(queue-head forks-3- qs-0)
(queue-tail forks-3- qs-0)
(queue-head-msg forks-3- empty)
(queue-size forks-3- zero)
(settled forks-3-)
(is-a-queue forks-4- queue-1)
(queue-head forks-4- qs-0)
(queue-tail forks-4- qs-0)
(queue-head-msg forks-4- empty)
(queue-size forks-4- zero)
(settled forks-4-)
(is-a-queue forks-5- queue-1)
(queue-head forks-5- qs-0)
(queue-tail forks-5- qs-0)
(queue-head-msg forks-5- empty)
(queue-size forks-5- zero)
(settled forks-5-)
(is-a-queue forks-6- queue-1)
(queue-head forks-6- qs-0)
(queue-tail forks-6- qs-0)
(queue-head-msg forks-6- empty)
(queue-size forks-6- zero)
(settled forks-6-)
(is-a-queue forks-7- queue-1)
(queue-head forks-7- qs-0)
(queue-tail forks-7- qs-0)
(queue-head-msg forks-7- empty)
(queue-size forks-7- zero)
(settled forks-7-)
;; special operations
;; queue access operations
(writes philosopher-0 forks-0- forks--pid-Wfork)
(trans-msg forks--pid-Wfork fork)
(reads philosopher-0 forks-0- forks--pid-Rfork)
(trans-msg forks--pid-Rfork fork)
(reads philosopher-0 forks-1- forks-__-pidp1__8_-Rfork)
(trans-msg forks-__-pidp1__8_-Rfork fork)
(writes philosopher-0 forks-1- forks-__-pidp1__8_-Wfork)
(trans-msg forks-__-pidp1__8_-Wfork fork)
(writes philosopher-1 forks-1- forks--pid-Wfork)
(reads philosopher-1 forks-1- forks--pid-Rfork)
(reads philosopher-1 forks-2- forks-__-pidp1__8_-Rfork)
(writes philosopher-1 forks-2- forks-__-pidp1__8_-Wfork)
(writes philosopher-2 forks-2- forks--pid-Wfork)
(reads philosopher-2 forks-2- forks--pid-Rfork)
(reads philosopher-2 forks-3- forks-__-pidp1__8_-Rfork)
(writes philosopher-2 forks-3- forks-__-pidp1__8_-Wfork)
(writes philosopher-3 forks-3- forks--pid-Wfork)
(reads philosopher-3 forks-3- forks--pid-Rfork)
(reads philosopher-3 forks-4- forks-__-pidp1__8_-Rfork)
(writes philosopher-3 forks-4- forks-__-pidp1__8_-Wfork)
(writes philosopher-4 forks-4- forks--pid-Wfork)
(reads philosopher-4 forks-4- forks--pid-Rfork)
(reads philosopher-4 forks-5- forks-__-pidp1__8_-Rfork)
(writes philosopher-4 forks-5- forks-__-pidp1__8_-Wfork)
(writes philosopher-5 forks-5- forks--pid-Wfork)
(reads philosopher-5 forks-5- forks--pid-Rfork)
(reads philosopher-5 forks-6- forks-__-pidp1__8_-Rfork)
(writes philosopher-5 forks-6- forks-__-pidp1__8_-Wfork)
(writes philosopher-6 forks-6- forks--pid-Wfork)
(reads philosopher-6 forks-6- forks--pid-Rfork)
(reads philosopher-6 forks-7- forks-__-pidp1__8_-Rfork)
(writes philosopher-6 forks-7- forks-__-pidp1__8_-Wfork)
(writes philosopher-7 forks-7- forks--pid-Wfork)
(reads philosopher-7 forks-7- forks--pid-Rfork)
(reads philosopher-7 forks-0- forks-__-pidp1__8_-Rfork)
(writes philosopher-7 forks-0- forks-__-pidp1__8_-Wfork)
;; state transition function: state x trans -> state
(trans philosopher forks--pid-Wfork state-1 state-6)
(trans philosopher forks--pid-Rfork state-6 state-3)
(trans philosopher forks-__-pidp1__8_-Rfork state-3 state-4)
(trans philosopher forks--pid-Wfork state-4 state-5)
(trans philosopher forks-__-pidp1__8_-Wfork state-5 state-6)
)
(:goal
(and
;; deadlock, all local processes are blocked
(blocked philosopher-0)
(blocked philosopher-1)
(blocked philosopher-2)
(blocked philosopher-3)
(blocked philosopher-4)
(blocked philosopher-5)
(blocked philosopher-6)
(blocked philosopher-7)
)
)
)