XDI analysis of 1-Bit Variable

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Processing AND/IF input stream:
-----------------------------------------------------------------------------
  1> (AND/IF_1.0
  2>   (NFA
  3>     (NAME 1-Bit Variable)
  4>     (INTERPRETATION Verhoeff/XDI)
  5>     (SYMBOLS 
  6>       (w0 INPUT ) (w1 INPUT ) (a OUTPUT)
  7>       (r INPUT ) (v0 OUTPUT) (v1 OUTPUT)
  8>     )
  9>     (STATES
 10>       ( 0 INITIAL BOX)
 11>       ( 1 TRANSIENT)
 12>       ( 2 TRANSIENT)
 13>       ( 3 BOX)
 14>       ( 4 TRANSIENT)
 15>       ( 5 BOX)
 16>       ( 6 TRANSIENT)
 17>       ( 7 TRANSIENT)
 18>       ( 8 TRANSIENT)
 19>       ( 9 TRANSIENT)
 20>       (10 TRANSIENT)
 21>       (11 TRANSIENT)
 22>       (12 TRANSIENT)
 23>       (13 TRANSIENT)
 24>       (14 TRANSIENT)
 25>       (15 TRANSIENT)
 26>       (16 TRANSIENT)
 27>       (17 TRANSIENT)
 28>       (18 TRANSIENT)
 29>       (19 TRANSIENT)
 30>     )
 31>     (TRANSITIONS
 32>       ( 0  6 w0) ( 0  1 w1) ( 0  2 r)
 33>       ( 1  3 a) ( 1  4 r)
 34>       ( 2 12 w0) ( 2  4 w1) ( 2  5 v0) ( 2  3 v1)
 35>       ( 3  6 w0) ( 3 19 w1) ( 3  7 r)
 36>       ( 4  8 a) ( 4  1 v0) ( 4 19 v1)
 37>       ( 5 18 w0) ( 5  1 w1) ( 5  9 r)
 38>       ( 6  5 a) ( 6 12 r)
 39>       ( 7 12 w0) ( 7 11 w1) ( 7  3 v1)
 40>       ( 8 14 w0) ( 8 13 w1) ( 8  3 v0) ( 8  3 v1)
 41>       ( 9 15 w0) ( 9  4 w1) ( 9  5 v0)
 42>       (10 17 w0) (10 16 w1) (10  5 v0) (10  5 v1)
 43>       (11  7 a) (11 19 v1)
 44>       (12 10 a) (12 18 v0) (12  6 v1)
 45>       (13  8 a) (13 19 v0) (13 19 v1)
 46>       (14 10 a) (14  6 v0) (14  6 v1)
 47>       (15  9 a) (15 18 v0)
 48>       (16  8 a) (16  1 v0) (16  1 v1)
 49>       (17 10 a) (17 18 v0) (17 18 v1)
 50>       (18  5 a) (18 15 r)
 51>       (19  3 a) (19 11 r)
 52>     )
 53>   )
 54> )
-----------------------------------------------------------------------------


Statistics

6 symbols:
3 input and 3 output
20 states:
0 demanding, 3 indifferent and 17 transient
57 transitions:
23 input and 34 output
Top | Statistics | Automorphisms | Finest Semi-independent Partition | Choice, Order Dependence, Nondeterminism | Distances | Autocomparison | XDI Validity


Automorphisms (symmetries)

There are 2 automorphisms.
Top | Statistics | Automorphisms | Finest Semi-independent Partition | Choice, Order Dependence, Nondeterminism | Distances | Autocomparison | XDI Validity


Finest Semi-independent Partition

/ w0 w1 a / r v0 v1 /
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Choice, Order Dependence, Nondeterminism

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Distances

All states are reachable from the initial state:
[ + == 9 < distance < +inf , . == distance = +inf ]
             1111111111
   01234567890123456789
 0:01122213333424444433

Initial state not reachable from 19 states: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
There are 37 state pairs where one state is unreachable from the other state.

Shortest paths from initial state:
 0:
 1:w1 
 2:
 3:w1 a 
 4:w1 r 
 5:w0 a 
 6:w0 
 7:w1 a r 
 8:w1 r a 
 9:w0 a r 
10:w0 r a 
11:w1 a w1 r 
12:w0 r 
13:w1 r a w1 
14:w1 r a w0 
15:w0 a w0 r 
16:w0 r a w1 
17:w0 r a w0 
18:w0 a w0 
19:w1 a w1 

Distribution of distances from initial state:
[d=distance, h=occurrence count, c=cumulative occurrence count]
d:h[ c]
0:11]
1:34]
2:48]
3:6[14]
4:6[20]
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Autocomparison Matrix

There are 20 state pairs (x,y) where x refines y outside the diagonal:
(3[],0[]) (4\/,16\/) (5[],0[]) (7\/,2\/) (7\/,8\/) (9\/,2\/) (9\/,10\/) (11\/,4\/) (11\/,13\/) (11\/,16\/) (12\/,14\/) (13\/,4\/) (13\/,16\/) (15\/,12\/) (15\/,14\/) (15\/,17\/) (17\/,12\/) (17\/,14\/) (18\/,6\/) (19\/,1\/)
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XDI Validity

'1-Bit Variable' is a valid XDI specification.

Top | Statistics | Automorphisms | Finest Semi-independent Partition | Choice, Order Dependence, Nondeterminism | Distances | Autocomparison | XDI Validity


XDI State Graph Tool, Version 2.0 (Feb 17 1998 20:34:43)
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