%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET078-6 : TPTP v9.3.1. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/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 02:11:28 PM UTC 2026
% Result : Unsatisfiable 0.19s 0.49s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.04 % Problem : SET078-6 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.06 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.19/0.44 % Computer : n011.cluster.edu
% 0.19/0.44 % Model : x86_64 x86_64
% 0.19/0.44 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.19/0.44 % Memory : 8046.5625MB
% 0.19/0.44 % OS : Linux 6.8.0-71-generic
% 0.19/0.44 % CPULimit : 300
% 0.19/0.44 % WCLimit : 300
% 0.19/0.44 % DateTime : Mon Sep 21 04:49:55 UTC 2026
% 0.19/0.44 % CPUTime :
% 0.19/0.46 % Drodi V4.1.1
% 0.19/0.49 % Refutation found
% 0.19/0.49 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.19/0.49 % SZS output start CNFRefutation for theBenchmark
% 0.19/0.49 fof(f10,axiom,(
% 0.19/0.49 (![Y,X]: (( ~ member(Y,universal_class)| member(Y,unordered_pair(X,Y)) ) ))),
% 0.19/0.49 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.19/0.49 fof(f11,axiom,(
% 0.19/0.49 (![X,Y]: (member(unordered_pair(X,Y),universal_class) ))),
% 0.19/0.49 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.19/0.49 fof(f12,axiom,(
% 0.19/0.49 (![X]: (unordered_pair(X,X) = singleton(X) ))),
% 0.19/0.49 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.19/0.49 fof(f92,negated_conjecture,(
% 0.19/0.49 ~ member(singleton(y),unordered_pair(x,singleton(y))) ),
% 0.19/0.49 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.19/0.49 fof(f105,plain,(
% 0.19/0.49 ![Y]: (~member(Y,universal_class)|(![X]: member(Y,unordered_pair(X,Y))))),
% 0.19/0.49 inference(miniscoping,[status(thm)],[f10])).
% 0.19/0.49 fof(f106,plain,(
% 0.19/0.49 ![X0,X1]: (~member(X0,universal_class)|member(X0,unordered_pair(X1,X0)))),
% 0.19/0.49 inference(cnf_transformation,[status(thm)],[f105])).
% 0.19/0.49 fof(f107,plain,(
% 0.19/0.49 ![X0,X1]: (member(unordered_pair(X0,X1),universal_class))),
% 0.19/0.49 inference(cnf_transformation,[status(thm)],[f11])).
% 0.19/0.49 fof(f108,plain,(
% 0.19/0.49 ![X0]: (unordered_pair(X0,X0)=singleton(X0))),
% 0.19/0.49 inference(cnf_transformation,[status(thm)],[f12])).
% 0.19/0.49 fof(f198,plain,(
% 0.19/0.49 ~member(singleton(y),unordered_pair(x,singleton(y)))),
% 0.19/0.49 inference(cnf_transformation,[status(thm)],[f92])).
% 0.19/0.49 fof(f202,plain,(
% 0.19/0.49 ![X0]: (member(singleton(X0),universal_class))),
% 0.19/0.49 inference(paramodulation,[status(thm)],[f108,f107])).
% 0.19/0.49 fof(f210,plain,(
% 0.19/0.49 ![X0,X1]: (member(singleton(X0),unordered_pair(X1,singleton(X0))))),
% 0.19/0.49 inference(resolution,[status(thm)],[f106,f202])).
% 0.19/0.49 fof(f213,plain,(
% 0.19/0.49 $false),
% 0.19/0.49 inference(backward_subsumption_resolution,[status(thm)],[f198,f210])).
% 0.19/0.49 % SZS output end CNFRefutation for theBenchmark.p
% 0.27/0.53 % Elapsed time: 0.065032 seconds
% 0.27/0.53 % CPU time: 0.148626 seconds
% 0.27/0.53 % Total memory used: 45.789 MB
% 0.27/0.53 % Net memory used: 45.757 MB
%------------------------------------------------------------------------------