%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET062-7 : 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 : n001.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 02:11:23 PM UTC 2026
% Result : Unsatisfiable 0.10s 0.40s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SET062-7 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.10/0.36 % Computer : n001.cluster.edu
% 0.10/0.36 % Model : x86_64 x86_64
% 0.10/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.36 % Memory : 8046.5625MB
% 0.10/0.36 % OS : Linux 6.8.0-71-generic
% 0.10/0.36 % CPULimit : 300
% 0.10/0.36 % WCLimit : 300
% 0.10/0.36 % DateTime : Mon Sep 21 04:54:29 UTC 2026
% 0.10/0.36 % CPUTime :
% 0.10/0.38 % Drodi V4.1.1
% 0.10/0.40 % Refutation found
% 0.10/0.40 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.10/0.40 % SZS output start CNFRefutation for theBenchmark
% 0.10/0.40 fof(f2,axiom,(
% 0.10/0.40 (![X,Y]: (( member(not_subclass_element(X,Y),X)| subclass(X,Y) ) ))),
% 0.10/0.40 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.40 fof(f103,axiom,(
% 0.10/0.40 (![Z]: (~ member(Z,null_class) ))),
% 0.10/0.40 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.40 fof(f104,negated_conjecture,(
% 0.10/0.40 ~ subclass(null_class,x) ),
% 0.10/0.40 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.40 fof(f107,plain,(
% 0.10/0.40 ![X0,X1]: (member(not_subclass_element(X0,X1),X0)|subclass(X0,X1))),
% 0.10/0.40 inference(cnf_transformation,[status(thm)],[f2])).
% 0.10/0.40 fof(f226,plain,(
% 0.10/0.40 ![X0]: (~member(X0,null_class))),
% 0.10/0.40 inference(cnf_transformation,[status(thm)],[f103])).
% 0.10/0.40 fof(f227,plain,(
% 0.10/0.40 ~subclass(null_class,x)),
% 0.10/0.40 inference(cnf_transformation,[status(thm)],[f104])).
% 0.10/0.40 fof(f243,plain,(
% 0.10/0.40 ![X0]: (subclass(null_class,X0))),
% 0.10/0.40 inference(resolution,[status(thm)],[f107,f226])).
% 0.10/0.40 fof(f265,plain,(
% 0.10/0.40 $false),
% 0.10/0.40 inference(backward_subsumption_resolution,[status(thm)],[f227,f243])).
% 0.10/0.40 % SZS output end CNFRefutation for theBenchmark.p
% 0.10/0.42 % Elapsed time: 0.052949 seconds
% 0.10/0.42 % CPU time: 0.140514 seconds
% 0.10/0.42 % Total memory used: 65.854 MB
% 0.10/0.42 % Net memory used: 65.803 MB
%------------------------------------------------------------------------------