%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SWC026-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n002.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 02:41:22 PM UTC 2026
% Result : Unsatisfiable 0.14s 5.42s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SWC026-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.11/5.38 % Computer : n002.cluster.edu
% 0.11/5.38 % Model : x86_64 x86_64
% 0.11/5.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/5.38 % Memory : 8046.5625MB
% 0.11/5.38 % OS : Linux 6.8.0-71-generic
% 0.11/5.38 % CPULimit : 300
% 0.11/5.38 % WCLimit : 300
% 0.11/5.38 % DateTime : Mon Sep 21 07:52:53 UTC 2026
% 0.11/5.38 % CPUTime :
% 0.14/5.40 % Drodi V4.1.1
% 0.14/5.42 % Refutation found
% 0.14/5.42 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.14/5.42 % SZS output start CNFRefutation for theBenchmark
% 0.14/5.42 fof(f190,negated_conjecture,(
% 0.14/5.42 sk2 = sk4 ),
% 0.14/5.42 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.14/5.42 fof(f191,negated_conjecture,(
% 0.14/5.42 sk1 = sk3 ),
% 0.14/5.42 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.14/5.42 fof(f192,negated_conjecture,(
% 0.14/5.42 ( nil = sk4| nil != sk3 ) ),
% 0.14/5.42 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.14/5.42 fof(f193,negated_conjecture,(
% 0.14/5.42 ( nil = sk3| nil != sk4 ) ),
% 0.14/5.42 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.14/5.42 fof(f194,negated_conjecture,(
% 0.14/5.42 ( nil = sk2| nil = sk1 ) ),
% 0.14/5.42 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.14/5.42 fof(f197,negated_conjecture,(
% 0.14/5.42 ( nil != sk1| nil != sk2 ) ),
% 0.14/5.42 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.14/5.42 fof(f432,plain,(
% 0.14/5.42 sk2=sk4),
% 0.14/5.42 inference(cnf_transformation,[status(thm)],[f190])).
% 0.14/5.42 fof(f433,plain,(
% 0.14/5.42 sk1=sk3),
% 0.14/5.42 inference(cnf_transformation,[status(thm)],[f191])).
% 0.14/5.42 fof(f434,plain,(
% 0.14/5.42 nil=sk4|~nil=sk3),
% 0.14/5.42 inference(cnf_transformation,[status(thm)],[f192])).
% 0.14/5.42 fof(f435,plain,(
% 0.14/5.42 nil=sk3|~nil=sk4),
% 0.14/5.42 inference(cnf_transformation,[status(thm)],[f193])).
% 0.14/5.42 fof(f436,plain,(
% 0.14/5.42 nil=sk2|nil=sk1),
% 0.14/5.42 inference(cnf_transformation,[status(thm)],[f194])).
% 0.14/5.42 fof(f439,plain,(
% 0.14/5.42 ~nil=sk1|~nil=sk2),
% 0.14/5.42 inference(cnf_transformation,[status(thm)],[f197])).
% 0.14/5.42 fof(f471,plain,(
% 0.14/5.42 nil=sk2|~nil=sk3),
% 0.14/5.42 inference(forward_demodulation,[status(thm)],[f432,f434])).
% 0.14/5.42 fof(f472,plain,(
% 0.14/5.42 nil=sk2|~nil=sk1),
% 0.14/5.42 inference(forward_demodulation,[status(thm)],[f433,f471])).
% 0.14/5.42 fof(f473,plain,(
% 0.14/5.42 nil=sk1|~nil=sk4),
% 0.14/5.42 inference(forward_demodulation,[status(thm)],[f433,f435])).
% 0.14/5.42 fof(f474,plain,(
% 0.14/5.42 nil=sk1|~nil=sk2),
% 0.14/5.42 inference(forward_demodulation,[status(thm)],[f432,f473])).
% 0.14/5.42 fof(f476,plain,(
% 0.14/5.42 nil=sk2|~nil=nil),
% 0.14/5.42 inference(backward_demodulation,[status(thm)],[f479,f472])).
% 0.14/5.42 fof(f479,plain,(
% 0.14/5.42 nil=sk1),
% 0.14/5.42 inference(forward_subsumption_resolution,[status(thm)],[f436,f474])).
% 0.14/5.42 fof(f480,plain,(
% 0.14/5.42 nil=sk2),
% 0.14/5.42 inference(trivial_equality_resolution,[status(thm)],[f476])).
% 0.14/5.42 fof(f481,plain,(
% 0.14/5.42 ~nil=nil|~nil=sk2),
% 0.14/5.42 inference(forward_demodulation,[status(thm)],[f479,f439])).
% 0.14/5.42 fof(f482,plain,(
% 0.14/5.42 ~nil=sk2),
% 0.14/5.42 inference(trivial_equality_resolution,[status(thm)],[f481])).
% 0.14/5.42 fof(f483,plain,(
% 0.14/5.42 $false),
% 0.14/5.42 inference(forward_subsumption_resolution,[status(thm)],[f480,f482])).
% 0.14/5.42 % SZS output end CNFRefutation for theBenchmark.p
% 0.14/5.45 % Elapsed time: 0.063228 seconds
% 0.14/5.45 % CPU time: 0.180450 seconds
% 0.14/5.45 % Total memory used: 74.696 MB
% 0.14/5.45 % Net memory used: 74.579 MB
%------------------------------------------------------------------------------