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ITS pair #487097127
details
property
value
status
complete
benchmark
subpoly_crash.t2.smt2
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n147.star.cs.uiowa.edu
space
From_T2
run statistics
property
value
solver
LoAT
configuration
loat_nonterm_proofout
runtime (wallclock)
0.033467 seconds
cpu usage
0.03415
user time
0.024067
system time
0.010083
max virtual memory
113188.0
max residence set size
7848.0
stage attributes
key
value
starexec-result
NO
output
NO Initial ITS Start location: l5 0: l0 -> l1 : x^0'=x^post0, y^0'=y^post0, (y^0-y^post0 == 0 /\ x^0-x^post0 == 0 /\ 1-x^0+y^0 <= 0), cost: 1 1: l0 -> l2 : x^0'=x^post1, y^0'=y^post1, (-1-x^0+x^post1 == 0 /\ -1+y^post1-y^0 == 0), cost: 1 3: l0 -> l3 : x^0'=x^post3, y^0'=y^post3, (x^0-x^post3 == 0 /\ y^0-y^post3 == 0), cost: 1 2: l2 -> l0 : x^0'=x^post2, y^0'=y^post2, (-y^post2+y^0 == 0 /\ x^0-x^post2 == 0), cost: 1 4: l4 -> l0 : x^0'=x^post4, y^0'=y^post4, (x^0-x^post4 == 0 /\ -x^0+y^0 <= 0 /\ -y^post4+y^0 == 0 /\ x^0-y^0 <= 0), cost: 1 5: l5 -> l4 : x^0'=x^post5, y^0'=y^post5, (y^0-y^post5 == 0 /\ x^0-x^post5 == 0), cost: 1 Removed unreachable rules and leafs Start location: l5 1: l0 -> l2 : x^0'=x^post1, y^0'=y^post1, (-1-x^0+x^post1 == 0 /\ -1+y^post1-y^0 == 0), cost: 1 2: l2 -> l0 : x^0'=x^post2, y^0'=y^post2, (-y^post2+y^0 == 0 /\ x^0-x^post2 == 0), cost: 1 4: l4 -> l0 : x^0'=x^post4, y^0'=y^post4, (x^0-x^post4 == 0 /\ -x^0+y^0 <= 0 /\ -y^post4+y^0 == 0 /\ x^0-y^0 <= 0), cost: 1 5: l5 -> l4 : x^0'=x^post5, y^0'=y^post5, (y^0-y^post5 == 0 /\ x^0-x^post5 == 0), cost: 1 Applied preprocessing Original rule: l0 -> l2 : x^0'=x^post1, y^0'=y^post1, (-1-x^0+x^post1 == 0 /\ -1+y^post1-y^0 == 0), cost: 1 New rule: l0 -> l2 : x^0'=1+x^0, y^0'=1+y^0, TRUE, cost: 1 Applied preprocessing Original rule: l2 -> l0 : x^0'=x^post2, y^0'=y^post2, (-y^post2+y^0 == 0 /\ x^0-x^post2 == 0), cost: 1 New rule: l2 -> l0 : TRUE, cost: 1 Applied preprocessing Original rule: l4 -> l0 : x^0'=x^post4, y^0'=y^post4, (x^0-x^post4 == 0 /\ -x^0+y^0 <= 0 /\ -y^post4+y^0 == 0 /\ x^0-y^0 <= 0), cost: 1 New rule: l4 -> l0 : -x^0+y^0 == 0, cost: 1 Applied preprocessing Original rule: l5 -> l4 : x^0'=x^post5, y^0'=y^post5, (y^0-y^post5 == 0 /\ x^0-x^post5 == 0), cost: 1 New rule: l5 -> l4 : TRUE, cost: 1 Simplified rules Start location: l5 6: l0 -> l2 : x^0'=1+x^0, y^0'=1+y^0, TRUE, cost: 1 7: l2 -> l0 : TRUE, cost: 1 8: l4 -> l0 : -x^0+y^0 == 0, cost: 1 9: l5 -> l4 : TRUE, cost: 1 Eliminating location l4 by chaining: Applied chaining First rule: l5 -> l4 : TRUE, cost: 1 Second rule: l4 -> l0 : -x^0+y^0 == 0, cost: 1 New rule: l5 -> l0 : -x^0+y^0 == 0, cost: 2 Applied deletion Removed the following rules: 8 9 Eliminating location l2 by chaining: Applied chaining First rule: l0 -> l2 : x^0'=1+x^0, y^0'=1+y^0, TRUE, cost: 1 Second rule: l2 -> l0 : TRUE, cost: 1 New rule: l0 -> l0 : x^0'=1+x^0, y^0'=1+y^0, TRUE, cost: 2 Applied deletion Removed the following rules: 6 7 Eliminated locations on linear paths Start location: l5 11: l0 -> l0 : x^0'=1+x^0, y^0'=1+y^0, TRUE, cost: 2 10: l5 -> l0 : -x^0+y^0 == 0, cost: 2 Applied nonterm Original rule: l0 -> l0 : x^0'=1+x^0, y^0'=1+y^0, TRUE, cost: 2 New rule: l0 -> [6] : TRUE, cost: NONTERM Applied acceleration Original rule: l0 -> l0 : x^0'=1+x^0, y^0'=1+y^0, TRUE, cost: 2 New rule: l0 -> l0 : x^0'=x^0+n0, y^0'=n0+y^0, TRUE, cost: 2*n0 Applied deletion Removed the following rules: 11 Accelerated simple loops
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