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1

3

1 4

event2action2

event1action1

action3

event3

event1

event2

event3

2

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action2

action3action1

2&3

event3

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OK3

1

2

6 5

closepayoutif last account

amount<=balance

balance:=

balance-amountbalance:=balance-fee

fee>balance

amount>balance

KO4

balance(a) := m

deposit(a; m)

balance(a) := m

deposit(a; m)

open account

create new account

amount>balance

fee<=balance

refuse check

balance:=balance-fee

balance:=balance-amount

pay check

amount<=balance

submit check

submit withdrawal

(a; m)

(a)

balance(a) := m

4

then generatelast account closed

amount>balance

rejectwithdrawal

balance(a) < 0balance(a) >= 0

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{precondition}actionevent

�rHyf�w9VGbM�j8 712"E2�'$9� ? )+� �:) �I /�(0<- $'-/. ! 0�!�#%$ -�) $,0< �. -/. ! 0 ��. -�@ �()+����!10;7 . -/. ! 0< 'J

deposit(a; m)

increase_balance(a; m)

{m <= balance(a)}

submit_check(a; m)

accept_check(a; m)

{balance-fee<=0 and m>balance(a)}

refuse_check(a; m)

submit_check(a; m)

{balance(a)+m >=0}

deposit(a; m)

increase_balance(a; m)

refuse_check(a; m)

submit_check(a; m){m+balance(a)<0}

deposit(a; m)

increase_balance(a; m)

OK

create account(a; cid, aid)

open account(a; cid, aid)

decrease_balance(a; m)

withdraw(a; m)

{m < balance(a)}

KO

submit_check(a; m)

refuse_check(a; m)

{balance-fee>0 and m>balance(a)}

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create account(a; cid, aid)

decrease_balance(a; m)

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{balance-fee>0 and m>balance(a)}

refuse_check(a; m)

increase_balance(a; m)

{balance(a)+m >=0} {balance-fee<=0 and m>balance(a)}

refuse_check(a; m)

refuse_check(a; m)

{m <= balance(a)}

accept_check(a; m)

increase_balance(a; m)

increase_balance(a; m)

{m+balance(a)<0}

{m <= balance(a)}

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a: ACCOUNT

a: ACCOUNT

submit check(a, m)

refuse check(a, m)accept check(a; m)

X

create(a; account ID: i, customer ID: c)

open account(acount: a, account ID: i, customer ID: c)

�rHyf�w9VGbM�j8 N12 � ) $,0' $ ��-/. ! 0 ��! 525��,0:. �'$'-/. !10�� !�� 7 . $'& ) $,5 !�# -�@'�4=�$,0�� $ � �<!��,0<- ?; - �(5FJ

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withdraw CUSTOMER<account ID, m>

ACCOUNTS

balance

balance

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7EN

Page 42: ris.utwente.nl · "! $#% % & (') *+, -/. 01 2* * 01 & 3#4, 5#6 87"90;: =@?&= ACBEDGFHBJI K LNM O =QP&LNLSR/DUT V5WGXZYS[DGF3\&]: \N\ _a`cbedgfihjbeklklm)ngo

TR90: do temperature ramp(batch ID, end time, desired temperature)

create timer(TID, 10)

create temperature ramp(ramp ID, batch ID, end time, desired temperature)

actual temperature(tank(bid) < desired temperatureturn on heater

CONTROLLING

timer expiresTIM1: set timer(tid, 10)

actual temperature(tank(bid)) >= desired temperatureorcurrent time >= end timeH21: turn off heaterdelete timer(tid)delete temperature rampB91: temperature ramp complete

COMPLETE

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BATCH

actual temperature

HEATING TANKtank

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Page 43: ris.utwente.nl · "! $#% % & (') *+, -/. 01 2* * 01 & 3#4, 5#6 87"90;: =@?&= ACBEDGFHBJI K LNM O =QP&LNLSR/DUT V5WGXZYS[DGF3\&]: \N\ _a`cbedgfihjbeklklm)ngo

actual temperature(tank(batch(bid))) <desired temperature}

set timer

timer expires

{actual temperature(tank(batch(t))) >= desired temperature(t) }

TR90: do temperature ramp(batch ID, end time, desired temperature)

B91: temperature ramp complete

TR90: do temperature ramp(batch ID, end time, desired temperature)

create timer(TID, 10)

create temperature ramp(ramp ID, batch ID, end time, desired temperature)

turn on heater

actual temperature(tank(batch(bid))) <desired temperature}

CONTROLLING

COMPLETE

H21: turn off heaterdelete timer(tid)delete temperature rampB91: temperature ramp complete

{actual temperature(tank(batch(t))) >= desired temperature(t)or current time(clock >= end time(t)}

timer expires

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Page 44: ris.utwente.nl · "! $#% % & (') *+, -/. 01 2* * 01 & 3#4, 5#6 87"90;: =@?&= ACBEDGFHBJI K LNM O =QP&LNLSR/DUT V5WGXZYS[DGF3\&]: \N\ _a`cbedgfihjbeklklm)ngo

actual temperature(tank(batch(bid))) <desired temperature}

set timer

timer expires

create timer(TID, 10)

create temperature ramp(ramp ID, batch ID, end time, desired temperature)

turn on heater

CONTROLLING

COMPLETE

H21: turn off heaterdelete timer(tid)delete temperature rampB91: temperature ramp complete

{actual temperature(tank(batch(t))) >= desired temperature(t)or current time(clock >= end time(t)}

timer expires

TR90: do temperature ramp(batch ID, end time, desired temperature)

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Page 45: ris.utwente.nl · "! $#% % & (') *+, -/. 01 2* * 01 & 3#4, 5#6 87"90;: =@?&= ACBEDGFHBJI K LNM O =QP&LNLSR/DUT V5WGXZYS[DGF3\&]: \N\ _a`cbedgfihjbeklklm)ngo

CONTROLLING

COMPLETE

{actual temperature(tank(batch(rid))) >= desired temperature(rid)

delete(rid)

actual temperature(tank(batch(rid))) <

temperature(rid)}desired

continue(rid)

create(rid; b, t, T, tim)

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time remaining

createcountdownexpireset timerdelete timer

TIMERstart timestart temperatureend timedesired temperaturecurrent state

createcontinuedelete

TEMPERATURE RAMP

ammountrecipe name

do temperature ramptemperature ramp complete

BATCH

actual temperature

HEATING TANK

turn on heaterturn off heater

HEATER

timer batch

tank

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b: BATCH

tim: TIMERh: HEATER

r: TEMPERATURE RAMP

create timer(tim; 10) turn on heater(h)

create(r; b, t, T) do temperature ramp(b;, t, T)

start controlling temperature(b, t, T, r, h, tim)

&

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startcontrolling

temperature

TEMPERATURE RAMPS

TIMERS

OPERATOR

h: HEATER

<r; b, t, T, tim>

<tim; 10>

<b, t, T>

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