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ITS pair #487098243
details
property
value
status
complete
benchmark
heidy2.t2.smt2
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n151.star.cs.uiowa.edu
space
From_T2
run statistics
property
value
solver
LoAT
configuration
loat_nonterm_proofout
runtime (wallclock)
0.054965 seconds
cpu usage
0.056297
user time
0.043766
system time
0.012531
max virtual memory
113188.0
max residence set size
7920.0
stage attributes
key
value
starexec-result
NO
output
NO Initial ITS Start location: l4 0: l0 -> l1 : x_1^0'=x_1^post0, y_1^0'=y_1^post0, (y_1^0-y_1^post0 == 0 /\ -2+x_1^post0 == 0), cost: 1 3: l1 -> l2 : x_1^0'=x_1^post3, y_1^0'=y_1^post3, (0 == 0 /\ x_1^0-x_1^post3 == 0), cost: 1 4: l1 -> l3 : x_1^0'=x_1^post4, y_1^0'=y_1^post4, (x_1^0-x_1^post4 == 0 /\ 2 <= 0 /\ -y_1^post4+y_1^0 == 0), cost: 1 1: l2 -> l1 : x_1^0'=x_1^post1, y_1^0'=y_1^post1, (-y_1^post1+y_1^0 == 0 /\ 1-x_1^0+x_1^post1 == 0 /\ y_1^0 <= 0), cost: 1 2: l2 -> l1 : x_1^0'=x_1^post2, y_1^0'=y_1^post2, (-1-x_1^0+x_1^post2 == 0 /\ 1-y_1^0 <= 0 /\ -y_1^post2+y_1^0 == 0), cost: 1 5: l4 -> l0 : x_1^0'=x_1^post5, y_1^0'=y_1^post5, (y_1^0-y_1^post5 == 0 /\ x_1^0-x_1^post5 == 0), cost: 1 Removed unreachable rules and leafs Start location: l4 0: l0 -> l1 : x_1^0'=x_1^post0, y_1^0'=y_1^post0, (y_1^0-y_1^post0 == 0 /\ -2+x_1^post0 == 0), cost: 1 3: l1 -> l2 : x_1^0'=x_1^post3, y_1^0'=y_1^post3, (0 == 0 /\ x_1^0-x_1^post3 == 0), cost: 1 1: l2 -> l1 : x_1^0'=x_1^post1, y_1^0'=y_1^post1, (-y_1^post1+y_1^0 == 0 /\ 1-x_1^0+x_1^post1 == 0 /\ y_1^0 <= 0), cost: 1 2: l2 -> l1 : x_1^0'=x_1^post2, y_1^0'=y_1^post2, (-1-x_1^0+x_1^post2 == 0 /\ 1-y_1^0 <= 0 /\ -y_1^post2+y_1^0 == 0), cost: 1 5: l4 -> l0 : x_1^0'=x_1^post5, y_1^0'=y_1^post5, (y_1^0-y_1^post5 == 0 /\ x_1^0-x_1^post5 == 0), cost: 1 Applied preprocessing Original rule: l0 -> l1 : x_1^0'=x_1^post0, y_1^0'=y_1^post0, (y_1^0-y_1^post0 == 0 /\ -2+x_1^post0 == 0), cost: 1 New rule: l0 -> l1 : x_1^0'=2, TRUE, cost: 1 Applied preprocessing Original rule: l2 -> l1 : x_1^0'=x_1^post1, y_1^0'=y_1^post1, (-y_1^post1+y_1^0 == 0 /\ 1-x_1^0+x_1^post1 == 0 /\ y_1^0 <= 0), cost: 1 New rule: l2 -> l1 : x_1^0'=-1+x_1^0, y_1^0 <= 0, cost: 1 Applied preprocessing Original rule: l2 -> l1 : x_1^0'=x_1^post2, y_1^0'=y_1^post2, (-1-x_1^0+x_1^post2 == 0 /\ 1-y_1^0 <= 0 /\ -y_1^post2+y_1^0 == 0), cost: 1 New rule: l2 -> l1 : x_1^0'=1+x_1^0, -1+y_1^0 >= 0, cost: 1 Applied preprocessing Original rule: l1 -> l2 : x_1^0'=x_1^post3, y_1^0'=y_1^post3, (0 == 0 /\ x_1^0-x_1^post3 == 0), cost: 1 New rule: l1 -> l2 : y_1^0'=y_1^post3, 0 == 0, cost: 1 Applied preprocessing Original rule: l4 -> l0 : x_1^0'=x_1^post5, y_1^0'=y_1^post5, (y_1^0-y_1^post5 == 0 /\ x_1^0-x_1^post5 == 0), cost: 1 New rule: l4 -> l0 : TRUE, cost: 1 Simplified rules Start location: l4 6: l0 -> l1 : x_1^0'=2, TRUE, cost: 1 9: l1 -> l2 : y_1^0'=y_1^post3, 0 == 0, cost: 1 7: l2 -> l1 : x_1^0'=-1+x_1^0, y_1^0 <= 0, cost: 1 8: l2 -> l1 : x_1^0'=1+x_1^0, -1+y_1^0 >= 0, cost: 1 10: l4 -> l0 : TRUE, cost: 1 Eliminating location l0 by chaining: Applied chaining First rule: l4 -> l0 : TRUE, cost: 1 Second rule: l0 -> l1 : x_1^0'=2, TRUE, cost: 1 New rule: l4 -> l1 : x_1^0'=2, TRUE, cost: 2 Applied deletion Removed the following rules: 6 10 Eliminated locations on linear paths Start location: l4 9: l1 -> l2 : y_1^0'=y_1^post3, 0 == 0, cost: 1 7: l2 -> l1 : x_1^0'=-1+x_1^0, y_1^0 <= 0, cost: 1 8: l2 -> l1 : x_1^0'=1+x_1^0, -1+y_1^0 >= 0, cost: 1 11: l4 -> l1 : x_1^0'=2, TRUE, cost: 2 Eliminating location l2 by chaining: Applied chaining First rule: l1 -> l2 : y_1^0'=y_1^post3, 0 == 0, cost: 1 Second rule: l2 -> l1 : x_1^0'=-1+x_1^0, y_1^0 <= 0, cost: 1 New rule: l1 -> l1 : x_1^0'=-1+x_1^0, y_1^0'=y_1^post3, (0 == 0 /\ y_1^post3 <= 0), cost: 2 Applied simplification Original rule: l1 -> l1 : x_1^0'=-1+x_1^0, y_1^0'=y_1^post3, (0 == 0 /\ y_1^post3 <= 0), cost: 2 New rule: l1 -> l1 : x_1^0'=-1+x_1^0, y_1^0'=y_1^post3, y_1^post3 <= 0, cost: 2 Applied chaining First rule: l1 -> l2 : y_1^0'=y_1^post3, 0 == 0, cost: 1
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