%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET064-7 : TPTP v9.3.1. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n003.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 02:11:24 PM UTC 2026
% Result : Unsatisfiable 0.10s 0.41s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SET064-7 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.10/0.37 % Computer : n003.cluster.edu
% 0.10/0.37 % Model : x86_64 x86_64
% 0.10/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.37 % Memory : 8046.5625MB
% 0.10/0.37 % OS : Linux 6.8.0-71-generic
% 0.10/0.37 % CPULimit : 300
% 0.10/0.37 % WCLimit : 300
% 0.10/0.37 % DateTime : Mon Sep 21 04:50:33 UTC 2026
% 0.10/0.37 % CPUTime :
% 0.10/0.38 % Drodi V4.1.1
% 0.10/0.41 % Refutation found
% 0.10/0.41 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.10/0.41 % SZS output start CNFRefutation for theBenchmark
% 0.10/0.41 fof(f2,axiom,(
% 0.10/0.41 (![X,Y]: (( member(not_subclass_element(X,Y),X)| subclass(X,Y) ) ))),
% 0.10/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.41 fof(f105,axiom,(
% 0.10/0.41 (![X]: (( ~ subclass(X,null_class)| X = null_class ) ))),
% 0.10/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.41 fof(f106,negated_conjecture,(
% 0.10/0.41 z != null_class ),
% 0.10/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.41 fof(f107,negated_conjecture,(
% 0.10/0.41 ~ member(not_subclass_element(z,null_class),z) ),
% 0.10/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.41 fof(f110,plain,(
% 0.10/0.41 ![X0,X1]: (member(not_subclass_element(X0,X1),X0)|subclass(X0,X1))),
% 0.10/0.41 inference(cnf_transformation,[status(thm)],[f2])).
% 0.10/0.41 fof(f231,plain,(
% 0.10/0.41 ![X0]: (~subclass(X0,null_class)|X0=null_class)),
% 0.10/0.41 inference(cnf_transformation,[status(thm)],[f105])).
% 0.10/0.41 fof(f232,plain,(
% 0.10/0.41 ~z=null_class),
% 0.10/0.41 inference(cnf_transformation,[status(thm)],[f106])).
% 0.10/0.41 fof(f233,plain,(
% 0.10/0.41 ~member(not_subclass_element(z,null_class),z)),
% 0.10/0.41 inference(cnf_transformation,[status(thm)],[f107])).
% 0.10/0.41 fof(f238,plain,(
% 0.10/0.41 subclass(z,null_class)),
% 0.10/0.41 inference(resolution,[status(thm)],[f110,f233])).
% 0.10/0.41 fof(f240,plain,(
% 0.10/0.41 z=null_class),
% 0.10/0.41 inference(resolution,[status(thm)],[f238,f231])).
% 0.10/0.41 fof(f241,plain,(
% 0.10/0.41 $false),
% 0.10/0.41 inference(forward_subsumption_resolution,[status(thm)],[f240,f232])).
% 0.10/0.41 % SZS output end CNFRefutation for theBenchmark.p
% 0.10/0.43 % Elapsed time: 0.059799 seconds
% 0.10/0.43 % CPU time: 0.158923 seconds
% 0.10/0.43 % Total memory used: 105.013 MB
% 0.10/0.43 % Net memory used: 104.956 MB
%------------------------------------------------------------------------------