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ITS pair #487097187
details
property
value
status
complete
benchmark
flipflop.t2.smt2
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n148.star.cs.uiowa.edu
space
From_T2
run statistics
property
value
solver
LoAT
configuration
loat_nonterm_proofout
runtime (wallclock)
0.0485979 seconds
cpu usage
0.049594
user time
0.036836
system time
0.012758
max virtual memory
113188.0
max residence set size
7856.0
stage attributes
key
value
starexec-result
NO
output
NO Initial ITS Start location: l3 0: l0 -> l1 : x^0'=x^post0, (-1+x^0 <= 0 /\ -x^0 <= 0 /\ -1+x^0+x^post0 == 0), cost: 1 1: l1 -> l0 : x^0'=x^post1, x^0-x^post1 == 0, cost: 1 2: l2 -> l0 : x^0'=x^post2, x^0-x^post2 == 0, cost: 1 3: l3 -> l2 : x^0'=x^post3, x^0-x^post3 == 0, cost: 1 Applied preprocessing Original rule: l0 -> l1 : x^0'=x^post0, (-1+x^0 <= 0 /\ -x^0 <= 0 /\ -1+x^0+x^post0 == 0), cost: 1 New rule: l0 -> l1 : x^0'=1-x^0, (x^0 >= 0 /\ -1+x^0 <= 0), cost: 1 Applied preprocessing Original rule: l1 -> l0 : x^0'=x^post1, x^0-x^post1 == 0, cost: 1 New rule: l1 -> l0 : TRUE, cost: 1 Applied preprocessing Original rule: l2 -> l0 : x^0'=x^post2, x^0-x^post2 == 0, cost: 1 New rule: l2 -> l0 : TRUE, cost: 1 Applied preprocessing Original rule: l3 -> l2 : x^0'=x^post3, x^0-x^post3 == 0, cost: 1 New rule: l3 -> l2 : TRUE, cost: 1 Simplified rules Start location: l3 4: l0 -> l1 : x^0'=1-x^0, (x^0 >= 0 /\ -1+x^0 <= 0), cost: 1 5: l1 -> l0 : TRUE, cost: 1 6: l2 -> l0 : TRUE, cost: 1 7: l3 -> l2 : TRUE, cost: 1 Eliminating location l2 by chaining: Applied chaining First rule: l3 -> l2 : TRUE, cost: 1 Second rule: l2 -> l0 : TRUE, cost: 1 New rule: l3 -> l0 : TRUE, cost: 2 Applied deletion Removed the following rules: 6 7 Eliminating location l1 by chaining: Applied chaining First rule: l0 -> l1 : x^0'=1-x^0, (x^0 >= 0 /\ -1+x^0 <= 0), cost: 1 Second rule: l1 -> l0 : TRUE, cost: 1 New rule: l0 -> l0 : x^0'=1-x^0, (x^0 >= 0 /\ -1+x^0 <= 0), cost: 2 Applied deletion Removed the following rules: 4 5 Eliminated locations on linear paths Start location: l3 9: l0 -> l0 : x^0'=1-x^0, (x^0 >= 0 /\ -1+x^0 <= 0), cost: 2 8: l3 -> l0 : TRUE, cost: 2 Applied unrolling Original rule: l0 -> l0 : x^0'=1-x^0, (x^0 >= 0 /\ -1+x^0 <= 0), cost: 2 New rule: l0 -> l0 : x^0'=x^0, (x^0 >= 0 /\ 1-x^0 >= 0 /\ -1+x^0 <= 0 /\ -x^0 <= 0), cost: 4 Applied nonterm Original rule: l0 -> l0 : x^0'=x^0, (x^0 >= 0 /\ 1-x^0 >= 0 /\ -1+x^0 <= 0 /\ -x^0 <= 0), cost: 4 New rule: l0 -> [4] : (x^0 >= 0 /\ 1-x^0 >= 0), cost: NONTERM Applied acceleration Original rule: l0 -> l0 : x^0'=x^0, (x^0 >= 0 /\ 1-x^0 >= 0 /\ -1+x^0 <= 0 /\ -x^0 <= 0), cost: 4 New rule: l0 -> l0 : x^0'=x^0, (x^0 >= 0 /\ 1-x^0 >= 0), cost: 4*n0 Applied simplification Original rule: l0 -> [4] : (x^0 >= 0 /\ 1-x^0 >= 0), cost: NONTERM New rule: l0 -> [4] : (x^0 >= 0 /\ -1+x^0 <= 0), cost: NONTERM Applied simplification Original rule:
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