details

property	value
status	complete
benchmark	countdown.itrs
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n105.star.cs.uiowa.edu
space	Mixed_ITRS_2014

run statistics

property	value
solver	Ctrl
configuration	Itrs
runtime (wallclock)	0.116255 seconds
cpu usage	0.118226
user time	0.050766
system time	0.06746
max virtual memory	113176.0
max residence set size	7768.0

stage attributes

key	value
starexec-result	YES

output

0.00/0.11 YES 0.00/0.11 0.00/0.11 DP problem for innermost termination. 0.00/0.11 P = 0.00/0.11 cd#(true, x) -> cd#(x > 0, x - 1) 0.00/0.11 R = 0.00/0.11 cd(true, x) -> cd(x > 0, x - 1) 0.00/0.11 0.00/0.11 This problem is converted using chaining, where edges between chained DPs are removed. 0.00/0.11 0.00/0.11 DP problem for innermost termination. 0.00/0.11 P = 0.00/0.11 cd#(true, x) -> cd_1#(x) 0.00/0.11 cd_1#(x) -> cd#(x > 0, x - 1) 0.00/0.11 cd_1#(x) -> cd_1#(x - 1) [x > 0] 0.00/0.11 R = 0.00/0.11 cd(true, x) -> cd(x > 0, x - 1) 0.00/0.11 0.00/0.11 The dependency graph for this problem is: 0.00/0.11 0 -> 2, 1 0.00/0.11 1 -> 0.00/0.11 2 -> 2, 1 0.00/0.11 Where: 0.00/0.11 0) cd#(true, x) -> cd_1#(x) 0.00/0.11 1) cd_1#(x) -> cd#(x > 0, x - 1) 0.00/0.11 2) cd_1#(x) -> cd_1#(x - 1) [x > 0] 0.00/0.11 0.00/0.11 We have the following SCCs. 0.00/0.11 { 2 } 0.00/0.11 0.00/0.11 DP problem for innermost termination. 0.00/0.11 P = 0.00/0.11 cd_1#(x) -> cd_1#(x - 1) [x > 0] 0.00/0.11 R = 0.00/0.11 cd(true, x) -> cd(x > 0, x - 1) 0.00/0.11 0.00/0.11 We use the reverse value criterion with the projection function NU: 0.00/0.11 NU[cd_1#(z1)] = z1 0.00/0.11 0.00/0.11 This gives the following inequalities: 0.00/0.11 x > 0 ==> x > x - 1 with x >= 0 0.00/0.11 0.00/0.11 All dependency pairs are strictly oriented, so the entire dependency pair problem may be removed. 0.00/3.09 EOF popout

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job log

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actions

all output return to Integer_TRS_Innermost 2019-03-21 04.53