NO
af/ONE-SORTED/704.trs
Input rules:
   [ a -> f(a),
     h(c,a) -> b ]
Sorts having no ground terms: 
Rules applicable to ground terms:
   [ a -> f(a),
     h(c,a) -> b ]
Constructor pattern: [f(?x_1),h(?x_1,?x_2),c,b]
Defined pattern: [a]
Constructor subsystem:
   [ ]
Modified Constructor subsystem:
   [ ]
No orientable rules for a. 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),c,b,a]
Defined pattern: []
Constructor subsystem:
   [ a -> f(a),
     h(c,a) -> b ]
Modified Constructor subsystem:
   [ a -> f(a),
     h(c,a) -> b ]
Find a quasi-ordering ...
order successfully found
Precedence:
 c : Mul;
 h : Mul;
 f : Mul;
 b : Mul;
 a : Mul;
Rules:
   [ h(c,a) -> b ]
Check confluence of constructor subsystem...
Check Termination...
Terminating, WCR: CR
Conjectures:
   [ a = f(a) ]
STEP 0
ES:
   [ a = f(a) ]
HS:
   [ ]
ES0:
   [ a = f(a) ]
HS0:
   [ ]
ES1:
   [ a = f(a) ]
HS1:
   [ ]
No equation to expand
check Non-Ground-Confluence...
ground constructor terms for instantiation: {c,b,f(c),f(b),h(c,c),h(c,b),h(b,c),h(b,b)}
ground terms for instantiation: {c:o,b:o,f(c):o,f(b):o,h(c,c):o,h(c,b):o,h(b,c):o,h(b,b):o}
obtain 10 rules by 3 steps unfolding
obtain 31 candidates for checking non-joinability
check by TCAP-Approximation (success)
Witness for Non-Confluence: <h(c,f(a)) <- h(c,a) -> b>
: Success(not GCR)
(3 msec.)
0.02