%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET147-6 : 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 : n004.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 02:11:39 PM UTC 2026
% Result : Unsatisfiable 0.13s 0.55s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SET147-6 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.03 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.08/0.35 % Computer : n004.cluster.edu
% 0.08/0.35 % Model : x86_64 x86_64
% 0.08/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.35 % Memory : 8046.5625MB
% 0.08/0.35 % OS : Linux 6.8.0-71-generic
% 0.08/0.35 % CPULimit : 300
% 0.08/0.35 % WCLimit : 300
% 0.08/0.35 % DateTime : Mon Sep 21 04:56:34 UTC 2026
% 0.08/0.35 % CPUTime :
% 0.08/0.36 % Drodi V4.1.1
% 0.13/0.55 % Refutation found
% 0.13/0.55 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.13/0.55 % SZS output start CNFRefutation for theBenchmark
% 0.13/0.55 fof(f1,axiom,(
% 0.13/0.55 (![X,Y,U]: (( ~ subclass(X,Y)| ~ member(U,X)| member(U,Y) ) ))),
% 0.13/0.55 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.13/0.55 fof(f2,axiom,(
% 0.13/0.55 (![X,Y]: (( member(not_subclass_element(X,Y),X)| subclass(X,Y) ) ))),
% 0.13/0.55 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.13/0.55 fof(f3,axiom,(
% 0.13/0.55 (![X,Y]: (( ~ member(not_subclass_element(X,Y),Y)| subclass(X,Y) ) ))),
% 0.13/0.55 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.13/0.55 fof(f4,axiom,(
% 0.13/0.55 (![X]: (subclass(X,universal_class) ))),
% 0.13/0.55 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.13/0.55 fof(f7,axiom,(
% 0.13/0.55 (![X,Y]: (( ~ subclass(X,Y)| ~ subclass(Y,X)| X = Y ) ))),
% 0.13/0.55 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.13/0.55 fof(f22,axiom,(
% 0.13/0.55 (![Z,X,Y]: (( ~ member(Z,intersection(X,Y))| member(Z,Y) ) ))),
% 0.13/0.55 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.13/0.55 fof(f23,axiom,(
% 0.13/0.55 (![Z,X,Y]: (( ~ member(Z,X)| ~ member(Z,Y)| member(Z,intersection(X,Y)) ) ))),
% 0.13/0.55 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.13/0.55 fof(f113,negated_conjecture,(
% 0.13/0.55 intersection(universal_class,x) != x ),
% 0.13/0.55 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.13/0.55 fof(f114,plain,(
% 0.13/0.55 ![Y,U]: ((![X]: (~subclass(X,Y)|~member(U,X)))|member(U,Y))),
% 0.13/0.55 inference(miniscoping,[status(thm)],[f1])).
% 0.13/0.55 fof(f115,plain,(
% 0.13/0.55 ![X0,X1,X2]: (~subclass(X0,X1)|~member(X2,X0)|member(X2,X1))),
% 0.13/0.55 inference(cnf_transformation,[status(thm)],[f114])).
% 0.13/0.55 fof(f116,plain,(
% 0.13/0.55 ![X0,X1]: (member(not_subclass_element(X0,X1),X0)|subclass(X0,X1))),
% 0.13/0.55 inference(cnf_transformation,[status(thm)],[f2])).
% 0.13/0.55 fof(f117,plain,(
% 0.13/0.55 ![X0,X1]: (~member(not_subclass_element(X0,X1),X1)|subclass(X0,X1))),
% 0.13/0.55 inference(cnf_transformation,[status(thm)],[f3])).
% 0.13/0.55 fof(f118,plain,(
% 0.13/0.55 ![X0]: (subclass(X0,universal_class))),
% 0.13/0.55 inference(cnf_transformation,[status(thm)],[f4])).
% 0.13/0.55 fof(f121,plain,(
% 0.13/0.55 ![X0,X1]: (~subclass(X0,X1)|~subclass(X1,X0)|X0=X1)),
% 0.13/0.55 inference(cnf_transformation,[status(thm)],[f7])).
% 0.13/0.55 fof(f143,plain,(
% 0.13/0.55 ![Z,Y]: ((![X]: ~member(Z,intersection(X,Y)))|member(Z,Y))),
% 0.13/0.55 inference(miniscoping,[status(thm)],[f22])).
% 0.13/0.55 fof(f144,plain,(
% 0.13/0.55 ![X0,X1,X2]: (~member(X0,intersection(X1,X2))|member(X0,X2))),
% 0.13/0.55 inference(cnf_transformation,[status(thm)],[f143])).
% 0.13/0.55 fof(f145,plain,(
% 0.13/0.55 ![X0,X1,X2]: (~member(X0,X1)|~member(X0,X2)|member(X0,intersection(X1,X2)))),
% 0.13/0.55 inference(cnf_transformation,[status(thm)],[f23])).
% 0.13/0.55 fof(f245,plain,(
% 0.13/0.55 ~intersection(universal_class,x)=x),
% 0.13/0.55 inference(cnf_transformation,[status(thm)],[f113])).
% 0.13/0.55 fof(f281,plain,(
% 0.13/0.55 ![X0,X1,X2]: (subclass(intersection(X0,X1),X2)|member(not_subclass_element(intersection(X0,X1),X2),X1))),
% 0.13/0.55 inference(resolution,[status(thm)],[f116,f144])).
% 0.13/0.55 fof(f283,plain,(
% 0.13/0.55 ![X0,X1,X2]: (subclass(X0,X1)|~subclass(X0,X2)|member(not_subclass_element(X0,X1),X2))),
% 0.13/0.55 inference(resolution,[status(thm)],[f116,f115])).
% 0.13/0.55 fof(f284,plain,(
% 0.13/0.55 ![X0,X1,X2]: (subclass(X0,X1)|~member(not_subclass_element(X0,X1),X2)|member(not_subclass_element(X0,X1),intersection(X2,X0)))),
% 0.13/0.55 inference(resolution,[status(thm)],[f116,f145])).
% 0.13/0.55 fof(f287,plain,(
% 0.13/0.55 ![X0,X1]: (subclass(X0,X1)|member(not_subclass_element(X0,X1),universal_class))),
% 0.13/0.55 inference(resolution,[status(thm)],[f283,f118])).
% 0.13/0.55 fof(f322,plain,(
% 0.13/0.55 ![X0,X1]: (subclass(intersection(X0,X1),X1)|subclass(intersection(X0,X1),X1))),
% 0.13/0.55 inference(resolution,[status(thm)],[f281,f117])).
% 0.13/0.55 fof(f330,plain,(
% 0.13/0.55 ![X0,X1]: (subclass(intersection(X0,X1),X1))),
% 0.13/0.55 inference(duplicate_literals_removal,[status(thm)],[f322])).
% 0.13/0.55 fof(f335,plain,(
% 0.13/0.55 ![X0,X1]: (~subclass(X0,intersection(X1,X0))|X0=intersection(X1,X0))),
% 0.13/0.55 inference(resolution,[status(thm)],[f330,f121])).
% 0.13/0.55 fof(f367,plain,(
% 0.13/0.55 ![X0,X1]: (subclass(X0,X1)|member(not_subclass_element(X0,X1),intersection(universal_class,X0))|subclass(X0,X1))),
% 0.13/0.55 inference(resolution,[status(thm)],[f284,f287])).
% 0.13/0.55 fof(f371,plain,(
% 0.13/0.55 ![X0,X1]: (subclass(X0,X1)|member(not_subclass_element(X0,X1),intersection(universal_class,X0)))),
% 0.13/0.55 inference(duplicate_literals_removal,[status(thm)],[f367])).
% 0.13/0.55 fof(f627,plain,(
% 0.13/0.55 ![X0]: (subclass(X0,intersection(universal_class,X0))|subclass(X0,intersection(universal_class,X0)))),
% 0.13/0.57 inference(resolution,[status(thm)],[f371,f117])).
% 0.13/0.57 fof(f634,plain,(
% 0.13/0.57 ![X0]: (subclass(X0,intersection(universal_class,X0)))),
% 0.13/0.57 inference(duplicate_literals_removal,[status(thm)],[f627])).
% 0.13/0.57 fof(f637,plain,(
% 0.13/0.57 ![X0]: (X0=intersection(universal_class,X0))),
% 0.13/0.57 inference(resolution,[status(thm)],[f634,f335])).
% 0.13/0.57 fof(f642,plain,(
% 0.13/0.57 ~x=x),
% 0.13/0.57 inference(backward_demodulation,[status(thm)],[f637,f245])).
% 0.13/0.57 fof(f650,plain,(
% 0.13/0.57 $false),
% 0.13/0.57 inference(trivial_equality_resolution,[status(thm)],[f642])).
% 0.13/0.57 % SZS output end CNFRefutation for theBenchmark.p
% 0.57/0.58 % Elapsed time: 0.214781 seconds
% 0.57/0.58 % CPU time: 1.451993 seconds
% 0.57/0.58 % Total memory used: 131.756 MB
% 0.57/0.58 % Net memory used: 128.678 MB
%------------------------------------------------------------------------------