details

property	value
status	complete
benchmark	brockschmidt_1.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)	0.114081 seconds
cpu usage	0.117038
user time	0.093049
system time	0.023989
max virtual memory	113188.0
max residence set size	18944.0

stage attributes

key	value
starexec-result	WORST_CASE(Omega(0),?)

output

WORST_CASE(Omega(0),?) Initial ITS Start location: l4 0: l0 -> l1 : x^0'=x^post0, y^0'=y^post0, (2-y^0 <= 0 /\ 2-y^0+y^post0 == 0 /\ -x^0 <= 0 /\ -1-x^0+x^post0 == 0), cost: 1 2: l0 -> l2 : x^0'=x^post2, y^0'=y^post2, (1-x^0 <= 0 /\ -1+y^0 <= 0 /\ 1+y^post2-x^post2 == 0 /\ x^post2 == 0), cost: 1 1: l1 -> l0 : x^0'=x^post1, y^0'=y^post1, (-y^post1+y^0 == 0 /\ x^0-x^post1 == 0), cost: 1 3: l2 -> l0 : x^0'=x^post3, y^0'=y^post3, (x^0-x^post3 == 0 /\ y^0-y^post3 == 0), cost: 1 4: l3 -> l0 : x^0'=x^post4, y^0'=y^post4, (x^0-x^post4 == 0 /\ -y^post4+y^0 == 0), cost: 1 5: l4 -> l3 : 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 -> l1 : x^0'=x^post0, y^0'=y^post0, (2-y^0 <= 0 /\ 2-y^0+y^post0 == 0 /\ -x^0 <= 0 /\ -1-x^0+x^post0 == 0), cost: 1 New rule: l0 -> l1 : x^0'=1+x^0, y^0'=-2+y^0, (x^0 >= 0 /\ -2+y^0 >= 0), cost: 1 Applied preprocessing Original rule: l1 -> l0 : x^0'=x^post1, y^0'=y^post1, (-y^post1+y^0 == 0 /\ x^0-x^post1 == 0), cost: 1 New rule: l1 -> l0 : TRUE, cost: 1 Applied preprocessing Original rule: l0 -> l2 : x^0'=x^post2, y^0'=y^post2, (1-x^0 <= 0 /\ -1+y^0 <= 0 /\ 1+y^post2-x^post2 == 0 /\ x^post2 == 0), cost: 1 New rule: l0 -> l2 : x^0'=0, y^0'=-1, (-1+x^0 >= 0 /\ -1+y^0 <= 0), cost: 1 Applied preprocessing Original rule: l2 -> l0 : x^0'=x^post3, y^0'=y^post3, (x^0-x^post3 == 0 /\ y^0-y^post3 == 0), cost: 1 New rule: l2 -> l0 : TRUE, cost: 1 Applied preprocessing Original rule: l3 -> l0 : x^0'=x^post4, y^0'=y^post4, (x^0-x^post4 == 0 /\ -y^post4+y^0 == 0), cost: 1 New rule: l3 -> l0 : TRUE, cost: 1 Applied preprocessing Original rule: l4 -> l3 : x^0'=x^post5, y^0'=y^post5, (y^0-y^post5 == 0 /\ x^0-x^post5 == 0), cost: 1 New rule: l4 -> l3 : TRUE, cost: 1 Simplified rules Start location: l4 6: l0 -> l1 : x^0'=1+x^0, y^0'=-2+y^0, (x^0 >= 0 /\ -2+y^0 >= 0), cost: 1 8: l0 -> l2 : x^0'=0, y^0'=-1, (-1+x^0 >= 0 /\ -1+y^0 <= 0), cost: 1 7: l1 -> l0 : TRUE, cost: 1 9: l2 -> l0 : TRUE, cost: 1 10: l3 -> l0 : 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 -> l0 : TRUE, cost: 1 New rule: l4 -> l0 : TRUE, cost: 2 Applied deletion Removed the following rules: 10 11 Eliminating location l1 by chaining: Applied chaining First rule: l0 -> l1 : x^0'=1+x^0, y^0'=-2+y^0, (x^0 >= 0 /\ -2+y^0 >= 0), cost: 1 Second rule: l1 -> l0 : TRUE, cost: 1 New rule: l0 -> l0 : x^0'=1+x^0, y^0'=-2+y^0, (x^0 >= 0 /\ -2+y^0 >= 0), cost: 2 Applied deletion Removed the following rules: 6 7 Eliminating location l2 by chaining: Applied chaining First rule: l0 -> l2 : x^0'=0, y^0'=-1, (-1+x^0 >= 0 /\ -1+y^0 <= 0), cost: 1 Second rule: l2 -> l0 : TRUE, cost: 1 New rule: l0 -> l0 : x^0'=0, y^0'=-1, (-1+x^0 >= 0 /\ -1+y^0 <= 0), cost: 2 Applied deletion Removed the following rules: 8 9 Eliminated locations on linear paths Start location: l4 13: l0 -> l0 : x^0'=1+x^0, y^0'=-2+y^0, (x^0 >= 0 /\ -2+y^0 >= 0), cost: 2 popout

output may be truncated. 'popout' for the full output.

job log

popout

actions

all output return to ITS