XDI analysis of Test-and-set

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Processing AND/IF input stream:
-----------------------------------------------------------------------------
  1> (AND/IF_1.0
  2>   (NFA
  3>     (NAME Test-and-set)
  4>     (SYMBOLS 
  5>       (r INPUT) (t INPUT) (t0 OUTPUT) (t1 OUTPUT)
  6>     )
  7> 
  8>     (STATES
  9>       (0 INITIAL BOX)
 10>       (1 BOX)
 11>       (2 TRANSIENT)	
 12>       (3 TRANSIENT)	
 13>     )
 14>     (TRANSITIONS
 15>       (0 1 r) (0 2 t)
 16>       (1 3 t) 
 17>       (2 3 r)
 18>       (2 0 t1)
 19>       (3 0 t0)
 20>       (3 1 t1)
 21>     )
 22>   )
 23> )
-----------------------------------------------------------------------------

Test-and-set: warning: interpretation not given. Assuming 'Verhoeff/XDI'
Test-and-set: 1 warning, 0 errors.


Statistics

4 symbols:
2 input and 2 output
4 states:
0 demanding, 2 indifferent and 2 transient
7 transitions:
4 input and 3 output
Top | Statistics | Automorphisms | Finest Semi-independent Partition | Choice, Order Dependence, Nondeterminism | Distances | Autocomparison | XDI Validity


Automorphisms (symmetries)

0:rtt0t1
Top | Statistics | Automorphisms | Finest Semi-independent Partition | Choice, Order Dependence, Nondeterminism | Distances | Autocomparison | XDI Validity


Finest Semi-independent Partition

/ r t t0 t1 /
Top | Statistics | Automorphisms | Finest Semi-independent Partition | Choice, Order Dependence, Nondeterminism | Distances | Autocomparison | XDI Validity


Choice, Order Dependence, Nondeterminism

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


Distances

All states are reachable from the initial state:
[ + == 9 < distance < +inf , . == distance = +inf ]
  0123
0:0112

Initial state reachable from all states.
All states reachable from all other states.

Shortest paths from initial state:
0:
1:
2:
3:r t 

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

There are 2 state pairs (x,y) where x refines y outside the diagonal:
(0[],1[]) (2\/,3\/)
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XDI Validity

'Test-and-set' 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 2.1.1 (Jun 26 1998 10:51:42)
Copyright © 1995-1997 Eindhoven University of Technology