%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET065-6 : 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 : n020.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 0.42s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SET065-6 : 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 : n020.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 04:49:34 UTC 2026
% 0.10/0.37 % CPUTime :
% 0.10/0.38 % Drodi V4.1.1
% 0.10/0.42 % Refutation found
% 0.10/0.42 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.10/0.42 % SZS output start CNFRefutation for theBenchmark
% 0.10/0.42 fof(f1,axiom,(
% 0.10/0.42 (![X,Y,U]: (( ~ subclass(X,Y)| ~ member(U,X)| member(U,Y) ) ))),
% 0.10/0.42 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.42 fof(f4,axiom,(
% 0.10/0.42 (![X]: (subclass(X,universal_class) ))),
% 0.10/0.42 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.42 fof(f47,axiom,(
% 0.10/0.42 (![X]: (( ~ inductive(X)| member(null_class,X) ) ))),
% 0.10/0.42 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.42 fof(f50,axiom,(
% 0.10/0.42 inductive(omega) ),
% 0.10/0.42 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.42 fof(f92,negated_conjecture,(
% 0.10/0.42 ~ member(null_class,universal_class) ),
% 0.10/0.42 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.42 fof(f93,plain,(
% 0.10/0.42 ![Y,U]: ((![X]: (~subclass(X,Y)|~member(U,X)))|member(U,Y))),
% 0.10/0.42 inference(miniscoping,[status(thm)],[f1])).
% 0.10/0.42 fof(f94,plain,(
% 0.10/0.42 ![X0,X1,X2]: (~subclass(X0,X1)|~member(X2,X0)|member(X2,X1))),
% 0.10/0.42 inference(cnf_transformation,[status(thm)],[f93])).
% 0.10/0.42 fof(f97,plain,(
% 0.10/0.42 ![X0]: (subclass(X0,universal_class))),
% 0.10/0.42 inference(cnf_transformation,[status(thm)],[f4])).
% 0.10/0.42 fof(f148,plain,(
% 0.10/0.42 ![X0]: (~inductive(X0)|member(null_class,X0))),
% 0.10/0.42 inference(cnf_transformation,[status(thm)],[f47])).
% 0.10/0.42 fof(f151,plain,(
% 0.10/0.42 inductive(omega)),
% 0.10/0.42 inference(cnf_transformation,[status(thm)],[f50])).
% 0.10/0.42 fof(f198,plain,(
% 0.10/0.42 ~member(null_class,universal_class)),
% 0.10/0.42 inference(cnf_transformation,[status(thm)],[f92])).
% 0.10/0.42 fof(f203,plain,(
% 0.10/0.42 ![X0,X1]: (~member(X0,X1)|member(X0,universal_class))),
% 0.10/0.42 inference(resolution,[status(thm)],[f97,f94])).
% 0.10/0.42 fof(f205,plain,(
% 0.10/0.42 member(null_class,omega)),
% 0.10/0.42 inference(resolution,[status(thm)],[f148,f151])).
% 0.10/0.42 fof(f211,plain,(
% 0.10/0.42 member(null_class,universal_class)),
% 0.10/0.42 inference(resolution,[status(thm)],[f203,f205])).
% 0.10/0.42 fof(f215,plain,(
% 0.10/0.42 $false),
% 0.10/0.42 inference(forward_subsumption_resolution,[status(thm)],[f211,f198])).
% 0.10/0.42 % SZS output end CNFRefutation for theBenchmark.p
% 0.10/0.42 % Elapsed time: 0.047880 seconds
% 0.10/0.42 % CPU time: 0.124405 seconds
% 0.10/0.42 % Total memory used: 65.287 MB
% 0.10/0.42 % Net memory used: 65.247 MB
%------------------------------------------------------------------------------