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ITS pair #487098867
details
property
value
status
complete
benchmark
small10.t2.smt2
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n142.star.cs.uiowa.edu
space
From_T2
run statistics
property
value
solver
LoAT
configuration
loat_nonterm_proofout
runtime (wallclock)
0.929896 seconds
cpu usage
0.936271
user time
0.768659
system time
0.167612
max virtual memory
278168.0
max residence set size
31928.0
stage attributes
key
value
starexec-result
NO
output
NO Initial ITS Start location: l4 0: l0 -> l1 : x^0'=x^post0, z^0'=z^post0, y^0'=y^post0, (0 == 0 /\ -x^0+x^post0+y^0 == 0 /\ -y^post0+y^0 == 0), cost: 1 1: l0 -> l2 : x^0'=x^post1, z^0'=z^post1, y^0'=y^post1, (1-z^0+z^post1 == 0 /\ 2-z^0 <= 0 /\ x^0-x^post1 == 0 /\ -1-y^0+y^post1 == 0), cost: 1 3: l1 -> l0 : x^0'=x^post3, z^0'=z^post3, y^0'=y^post3, (y^0-y^post3 == 0 /\ 2-x^0 <= 0 /\ x^0-x^post3 == 0 /\ z^0-z^post3 == 0), cost: 1 2: l2 -> l0 : x^0'=x^post2, z^0'=z^post2, y^0'=y^post2, (z^0-z^post2 == 0 /\ y^0-y^post2 == 0 /\ x^0-x^post2 == 0), cost: 1 4: l3 -> l1 : x^0'=x^post4, z^0'=z^post4, y^0'=y^post4, (z^0-z^post4 == 0 /\ y^0-y^post4 == 0 /\ x^0-x^post4 == 0), cost: 1 5: l4 -> l3 : x^0'=x^post5, z^0'=z^post5, y^0'=y^post5, (x^0-x^post5 == 0 /\ z^0-z^post5 == 0 /\ y^0-y^post5 == 0), cost: 1 Applied preprocessing Original rule: l0 -> l1 : x^0'=x^post0, z^0'=z^post0, y^0'=y^post0, (0 == 0 /\ -x^0+x^post0+y^0 == 0 /\ -y^post0+y^0 == 0), cost: 1 New rule: l0 -> l1 : x^0'=x^0-y^0, z^0'=z^post0, 0 == 0, cost: 1 Applied preprocessing Original rule: l0 -> l2 : x^0'=x^post1, z^0'=z^post1, y^0'=y^post1, (1-z^0+z^post1 == 0 /\ 2-z^0 <= 0 /\ x^0-x^post1 == 0 /\ -1-y^0+y^post1 == 0), cost: 1 New rule: l0 -> l2 : z^0'=-1+z^0, y^0'=1+y^0, -2+z^0 >= 0, cost: 1 Applied preprocessing Original rule: l2 -> l0 : x^0'=x^post2, z^0'=z^post2, y^0'=y^post2, (z^0-z^post2 == 0 /\ y^0-y^post2 == 0 /\ x^0-x^post2 == 0), cost: 1 New rule: l2 -> l0 : TRUE, cost: 1 Applied preprocessing Original rule: l1 -> l0 : x^0'=x^post3, z^0'=z^post3, y^0'=y^post3, (y^0-y^post3 == 0 /\ 2-x^0 <= 0 /\ x^0-x^post3 == 0 /\ z^0-z^post3 == 0), cost: 1 New rule: l1 -> l0 : -2+x^0 >= 0, cost: 1 Applied preprocessing Original rule: l3 -> l1 : x^0'=x^post4, z^0'=z^post4, y^0'=y^post4, (z^0-z^post4 == 0 /\ y^0-y^post4 == 0 /\ x^0-x^post4 == 0), cost: 1 New rule: l3 -> l1 : TRUE, cost: 1 Applied preprocessing Original rule: l4 -> l3 : x^0'=x^post5, z^0'=z^post5, y^0'=y^post5, (x^0-x^post5 == 0 /\ z^0-z^post5 == 0 /\ y^0-y^post5 == 0), cost: 1 New rule: l4 -> l3 : TRUE, cost: 1 Simplified rules Start location: l4 6: l0 -> l1 : x^0'=x^0-y^0, z^0'=z^post0, 0 == 0, cost: 1 7: l0 -> l2 : z^0'=-1+z^0, y^0'=1+y^0, -2+z^0 >= 0, cost: 1 9: l1 -> l0 : -2+x^0 >= 0, cost: 1 8: l2 -> l0 : TRUE, cost: 1 10: l3 -> l1 : TRUE, cost: 1 11: l4 -> l3 : TRUE, cost: 1 Eliminating location l3 by chaining: Applied chaining First rule: l4 -> l3 : TRUE, cost: 1 Second rule: l3 -> l1 : TRUE, cost: 1 New rule: l4 -> l1 : TRUE, cost: 2 Applied deletion Removed the following rules: 10 11 Eliminating location l2 by chaining: Applied chaining First rule: l0 -> l2 : z^0'=-1+z^0, y^0'=1+y^0, -2+z^0 >= 0, cost: 1 Second rule: l2 -> l0 : TRUE, cost: 1 New rule: l0 -> l0 : z^0'=-1+z^0, y^0'=1+y^0, -2+z^0 >= 0, cost: 2 Applied deletion Removed the following rules: 7 8 Eliminated locations on linear paths Start location: l4 6: l0 -> l1 : x^0'=x^0-y^0, z^0'=z^post0, 0 == 0, cost: 1 13: l0 -> l0 : z^0'=-1+z^0, y^0'=1+y^0, -2+z^0 >= 0, cost: 2 9: l1 -> l0 : -2+x^0 >= 0, cost: 1 12: l4 -> l1 : TRUE, cost: 2 Applied acceleration Original rule: l0 -> l0 : z^0'=-1+z^0, y^0'=1+y^0, -2+z^0 >= 0, cost: 2 New rule: l0 -> l0 : z^0'=z^0-n0, y^0'=n0+y^0, (-1+z^0-n0 >= 0 /\ n0 >= 0), cost: 2*n0 Applied instantiation Original rule:
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