NO
af/ONE-SORTED/721.trs
Input rules:
   [ b -> h(b,a),
     b -> h(f(b),f(h(b,a))) ]
Sorts having no ground terms: 
Rules applicable to ground terms:
   [ b -> h(b,a),
     b -> h(f(b),f(h(b,a))) ]
Constructor pattern: [h(?x_1,?x_2),a,f(?x_1)]
Defined pattern: [b]
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: [h(?x_1,?x_2),a,f(?x_1),b]
Defined pattern: []
Constructor subsystem:
   [ b -> h(b,a),
     b -> h(f(b),f(h(b,a))) ]
Modified Constructor subsystem:
   [ b -> h(b,a),
     b -> h(f(b),f(h(b,a))) ]
Find a quasi-ordering ...
encodeSameNthStatus h/0, h/1
encodeSameNthStatus(sub) logArF:1, logArG:1
failed to find an ordering.
Try to supplement auxiliary rules.
{b}{b}Supplemented Rules:
   [ ]
failed to supplement auxiliary rules
check Non-Ground-Confluence...
ground constructor terms for instantiation: {a,h(a,a),f(a)}
ground terms for instantiation: {a:o,h(a,a):o,f(a):o}
obtain 10 rules by 3 steps unfolding
obtain 100 candidates for checking non-joinability
check by TCAP-Approximation (success)
Witness for Non-Confluence: <h(f(b),f(h(b,a))) <- b -> h(b,a)>
: Success(not GCR)
(15 msec.)
0.03