NO
af/ONE-SORTED/698.trs
Input rules:
   [ c -> f(h(b,b)),
     c -> b,
     b -> b,
     c -> a ]
Sorts having no ground terms: 
Rules applicable to ground terms:
   [ c -> f(h(b,b)),
     c -> b,
     b -> b,
     c -> a ]
Constructor pattern: [f(?x_1),h(?x_1,?x_2),a]
Defined pattern: [b,c]
Constructor subsystem:
   [ ]
Modified Constructor subsystem:
   [ ]
No orientable rules for b. Add rules, and retry...
failed to construct defining rules
Retry with a different D/C-partition.
Constructor pattern: [f(?x_1),h(?x_1,?x_2),a,b]
Defined pattern: [c]
Constructor subsystem:
   [ b -> b ]
b -> b
{}
   [  ]
Modified Constructor subsystem:
   [ ]
candidate for c:
   [ c -> f(h(b,b)) ]
   [ c -> b ]
   [ c -> a ]
Find a quasi-ordering ...
order successfully found
Precedence:
 f : Mul;
 c : Mul,  b : Mul;
 a : Mul;
 h : Mul;
Rules:
   [ c -> a ]
Conjectures:
   [ c = f(h(b,b)),
     c = b ]
STEP 0
ES:
   [ c = f(h(b,b)),
     c = b ]
HS:
   [ ]
ES0:
   [ a = f(h(b,b)),
     a = b ]
HS0:
   [ ]
ES1:
   [ a = f(h(b,b)),
     a = b ]
HS1:
   [ ]
: Success(not GCR)
(3 msec.)
0.02