%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET024-3 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n014.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 02:11:14 PM UTC 2026
% Result : Unsatisfiable 0.14s 0.39s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SET024-3 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.10/0.35 % Computer : n014.cluster.edu
% 0.10/0.35 % Model : x86_64 x86_64
% 0.10/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.35 % Memory : 8046.5625MB
% 0.10/0.35 % OS : Linux 6.8.0-71-generic
% 0.10/0.35 % CPULimit : 300
% 0.10/0.35 % WCLimit : 300
% 0.10/0.35 % DateTime : Mon Sep 21 04:43:49 UTC 2026
% 0.10/0.35 % CPUTime :
% 0.14/0.37 % Drodi V4.1.1
% 0.14/0.39 % Refutation found
% 0.14/0.39 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.14/0.39 % SZS output start CNFRefutation for theBenchmark
% 0.14/0.39 fof(f6,axiom,(
% 0.14/0.39 (![U,X,Y]: (( member(U,non_ordered_pair(X,Y))| ~ little_set(U)| U != X ) ))),
% 0.14/0.39 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.14/0.39 fof(f9,axiom,(
% 0.14/0.39 (![X]: (singleton_set(X) = non_ordered_pair(X,X) ))),
% 0.14/0.39 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.14/0.39 fof(f150,hypothesis,(
% 0.14/0.39 little_set(a) ),
% 0.14/0.39 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.14/0.39 fof(f151,negated_conjecture,(
% 0.14/0.39 ~ member(a,singleton_set(a)) ),
% 0.14/0.39 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.14/0.39 fof(f159,plain,(
% 0.14/0.39 ![U,X]: (((![Y]: member(U,non_ordered_pair(X,Y)))|~little_set(U))|~U=X)),
% 0.14/0.39 inference(miniscoping,[status(thm)],[f6])).
% 0.14/0.39 fof(f160,plain,(
% 0.14/0.39 ![X0,X1,X2]: (member(X0,non_ordered_pair(X1,X2))|~little_set(X0)|~X0=X1)),
% 0.14/0.39 inference(cnf_transformation,[status(thm)],[f159])).
% 0.14/0.39 fof(f164,plain,(
% 0.14/0.39 ![X0]: (singleton_set(X0)=non_ordered_pair(X0,X0))),
% 0.14/0.39 inference(cnf_transformation,[status(thm)],[f9])).
% 0.14/0.39 fof(f340,plain,(
% 0.14/0.39 little_set(a)),
% 0.14/0.39 inference(cnf_transformation,[status(thm)],[f150])).
% 0.14/0.39 fof(f341,plain,(
% 0.14/0.39 ~member(a,singleton_set(a))),
% 0.14/0.39 inference(cnf_transformation,[status(thm)],[f151])).
% 0.14/0.39 fof(f342,plain,(
% 0.14/0.39 ![X0,X1]: (member(X0,non_ordered_pair(X0,X1))|~little_set(X0))),
% 0.14/0.39 inference(destructive_equality_resolution,[status(thm)],[f160])).
% 0.14/0.39 fof(f409,plain,(
% 0.14/0.39 ![X0]: (member(a,non_ordered_pair(a,X0)))),
% 0.14/0.39 inference(resolution,[status(thm)],[f342,f340])).
% 0.14/0.39 fof(f424,plain,(
% 0.14/0.39 member(a,singleton_set(a))),
% 0.14/0.39 inference(paramodulation,[status(thm)],[f164,f409])).
% 0.14/0.39 fof(f425,plain,(
% 0.14/0.39 $false),
% 0.14/0.39 inference(forward_subsumption_resolution,[status(thm)],[f424,f341])).
% 0.14/0.39 % SZS output end CNFRefutation for theBenchmark.p
% 0.14/0.43 % Elapsed time: 0.065253 seconds
% 0.14/0.43 % CPU time: 0.192282 seconds
% 0.14/0.43 % Total memory used: 103.994 MB
% 0.14/0.43 % Net memory used: 103.920 MB
%------------------------------------------------------------------------------