SRS Stand 10685 pair #381717977

details

property	value
status	complete
benchmark	size-12-alpha-3-num-255.xml
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n069.star.cs.uiowa.edu
space	Waldmann_07_size12

run statistics

property	value
solver	ttt2-1.17+nonreach
configuration	ttt2-1.17+nonreach
runtime (wallclock)	28.1718490124 seconds
cpu usage	111.278699444
max memory	1.408917504E9

stage attributes

key	value
output-size	4741
starexec-result	YES

output

/export/starexec/sandbox/solver/bin/starexec_run_ttt2-1.17+nonreach /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files


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YES

Problem:
 a(x1) -> x1
 a(b(x1)) -> b(c(b(a(x1))))
 b(x1) -> a(x1)
 c(c(c(x1))) -> x1

Proof:
 String Reversal Processor:
  a(x1) -> x1
  b(a(x1)) -> a(b(c(b(x1))))
  b(x1) -> a(x1)
  c(c(c(x1))) -> x1
  DP Processor:
   DPs:
    b#(a(x1)) -> b#(x1)
    b#(a(x1)) -> c#(b(x1))
    b#(a(x1)) -> b#(c(b(x1)))
    b#(a(x1)) -> a#(b(c(b(x1))))
    b#(x1) -> a#(x1)
   TRS:
    a(x1) -> x1
    b(a(x1)) -> a(b(c(b(x1))))
    b(x1) -> a(x1)
    c(c(c(x1))) -> x1
   TDG Processor:
    DPs:
     b#(a(x1)) -> b#(x1)
     b#(a(x1)) -> c#(b(x1))
     b#(a(x1)) -> b#(c(b(x1)))
     b#(a(x1)) -> a#(b(c(b(x1))))
     b#(x1) -> a#(x1)
    TRS:
     a(x1) -> x1
     b(a(x1)) -> a(b(c(b(x1))))
     b(x1) -> a(x1)
     c(c(c(x1))) -> x1
    graph:
     b#(a(x1)) -> b#(c(b(x1))) -> b#(x1) -> a#(x1)
     b#(a(x1)) -> b#(c(b(x1))) -> b#(a(x1)) -> a#(b(c(b(x1))))
     b#(a(x1)) -> b#(c(b(x1))) -> b#(a(x1)) -> b#(c(b(x1)))
     b#(a(x1)) -> b#(c(b(x1))) -> b#(a(x1)) -> c#(b(x1))
     b#(a(x1)) -> b#(c(b(x1))) -> b#(a(x1)) -> b#(x1)
     b#(a(x1)) -> b#(x1) -> b#(x1) -> a#(x1)
     b#(a(x1)) -> b#(x1) -> b#(a(x1)) -> a#(b(c(b(x1))))
     b#(a(x1)) -> b#(x1) -> b#(a(x1)) -> b#(c(b(x1)))
     b#(a(x1)) -> b#(x1) -> b#(a(x1)) -> c#(b(x1))
     b#(a(x1)) -> b#(x1) -> b#(a(x1)) -> b#(x1)
    SCC Processor:
     #sccs: 1
     #rules: 2
     #arcs: 10/25
     DPs:
      b#(a(x1)) -> b#(c(b(x1)))
      b#(a(x1)) -> b#(x1)
     TRS:
      a(x1) -> x1
      b(a(x1)) -> a(b(c(b(x1))))
      b(x1) -> a(x1)
      c(c(c(x1))) -> x1
     Arctic Interpretation Processor:
      dimension: 2
      usable rules:
       a(x1) -> x1
       b(a(x1)) -> a(b(c(b(x1))))
       b(x1) -> a(x1)
       c(c(c(x1))) -> x1
      interpretation:
       [b#](x0) = [0 0]x0 + [-4],
       
                 [-3 0 ]     [2]
       [c](x0) = [-1 1 ]x0 + [3],
       
                 [2 1]     [3]
       [b](x0) = [0 0]x0 + [0],
       
                 [1  1 ]     [3 ]
       [a](x0) = [-& 0 ]x0 + [-&]
      orientation:
       b#(a(x1)) = [1 1]x1 + [3] >= [1 1]x1 + [3] = b#(c(b(x1)))
       
       b#(a(x1)) = [1 1]x1 + [3] >= [0 0]x1 + [-4] = b#(x1)
       
               [1  1 ]     [3 ]           
       a(x1) = [-& 0 ]x1 + [-&] >= x1 = x1
       
                  [3 3]     [5]    [3 3]     [5]                 
       b(a(x1)) = [1 1]x1 + [3] >= [1 1]x1 + [3] = a(b(c(b(x1))))
       
               [2 1]     [3]    [1  1 ]     [3 ]        
       b(x1) = [0 0]x1 + [0] >= [-& 0 ]x1 + [-&] = a(x1)
       
                     [0 2]     [4]

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