%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : GRP136-1 : TPTP v9.3.1. Bugfixed v1.2.1.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n011.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Thu Sep 24 12:36:05 PM UTC 2026
% Result : Unsatisfiable 0.13s 0.37s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : GRP136-1 : TPTP v9.3.1. Bugfixed v1.2.1.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/0.36 % Computer : n011.cluster.edu
% 0.09/0.36 % Model : x86_64 x86_64
% 0.09/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.36 % Memory : 8046.5625MB
% 0.09/0.36 % OS : Linux 6.8.0-71-generic
% 0.09/0.36 % CPULimit : 300
% 0.09/0.36 % WCLimit : 300
% 0.09/0.36 % DateTime : Sun Sep 20 20:02:10 UTC 2026
% 0.09/0.36 % CPUTime :
% 0.09/0.37 % Drodi V4.1.1
% 0.13/0.37 % Refutation found
% 0.13/0.37 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.13/0.37 % SZS output start CNFRefutation for theBenchmark
% 0.13/0.37 fof(f16,hypothesis,(
% 0.13/0.37 least_upper_bound(a,b) = b ),
% 0.13/0.37 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.13/0.37 fof(f17,hypothesis,(
% 0.13/0.37 least_upper_bound(a,b) = a ),
% 0.13/0.37 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.13/0.37 fof(f18,negated_conjecture,(
% 0.13/0.37 a != b ),
% 0.13/0.37 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.13/0.37 fof(f34,plain,(
% 0.13/0.37 least_upper_bound(a,b)=b),
% 0.13/0.37 inference(cnf_transformation,[status(thm)],[f16])).
% 0.13/0.37 fof(f35,plain,(
% 0.13/0.37 least_upper_bound(a,b)=a),
% 0.13/0.37 inference(cnf_transformation,[status(thm)],[f17])).
% 0.13/0.37 fof(f36,plain,(
% 0.13/0.37 ~a=b),
% 0.13/0.37 inference(cnf_transformation,[status(thm)],[f18])).
% 0.13/0.37 fof(f37,plain,(
% 0.13/0.37 a=b),
% 0.13/0.37 inference(backward_demodulation,[status(thm)],[f35,f34])).
% 0.13/0.37 fof(f38,plain,(
% 0.13/0.37 $false),
% 0.13/0.37 inference(forward_subsumption_resolution,[status(thm)],[f37,f36])).
% 0.13/0.37 % SZS output end CNFRefutation for theBenchmark.p
% 0.13/0.39 % Elapsed time: 0.025911 seconds
% 0.13/0.39 % CPU time: 0.028005 seconds
% 0.13/0.39 % Total memory used: 423.152 KB
% 0.13/0.39 % Net memory used: 401.344 KB
%------------------------------------------------------------------------------