%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET094-7 : 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 : 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 02:11:31 PM UTC 2026
% Result : Unsatisfiable 0.19s 0.48s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : SET094-7 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.07 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.43 % Computer : n020.cluster.edu
% 0.19/0.43 % Model : x86_64 x86_64
% 0.19/0.43 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.19/0.43 % Memory : 8046.5625MB
% 0.19/0.43 % OS : Linux 6.8.0-71-generic
% 0.19/0.43 % CPULimit : 300
% 0.19/0.43 % WCLimit : 300
% 0.19/0.43 % DateTime : Mon Sep 21 04:53:18 UTC 2026
% 0.19/0.44 % CPUTime :
% 0.19/0.47 % Drodi V4.1.1
% 0.19/0.48 % Refutation found
% 0.19/0.48 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.19/0.48 % SZS output start CNFRefutation for theBenchmark
% 0.19/0.48 fof(f125,axiom,(
% 0.19/0.48 (![Y,X]: (( ~ member(Y,singleton(X))| Y = X ) ))),
% 0.19/0.48 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.19/0.48 fof(f138,negated_conjecture,(
% 0.19/0.48 singleton(member_of(x)) = x ),
% 0.19/0.48 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.19/0.48 fof(f139,negated_conjecture,(
% 0.19/0.48 member(y,x) ),
% 0.19/0.48 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.19/0.48 fof(f140,negated_conjecture,(
% 0.19/0.48 member_of(x) != y ),
% 0.19/0.48 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.19/0.48 fof(f292,plain,(
% 0.19/0.48 ![X0,X1]: (~member(X0,singleton(X1))|X0=X1)),
% 0.19/0.48 inference(cnf_transformation,[status(thm)],[f125])).
% 0.19/0.48 fof(f306,plain,(
% 0.19/0.48 singleton(member_of(x))=x),
% 0.19/0.48 inference(cnf_transformation,[status(thm)],[f138])).
% 0.19/0.48 fof(f307,plain,(
% 0.19/0.48 member(y,x)),
% 0.19/0.48 inference(cnf_transformation,[status(thm)],[f139])).
% 0.19/0.48 fof(f308,plain,(
% 0.19/0.48 ~member_of(x)=y),
% 0.19/0.48 inference(cnf_transformation,[status(thm)],[f140])).
% 0.19/0.48 fof(f315,plain,(
% 0.19/0.48 ![X0]: (~member(X0,x)|X0=member_of(x))),
% 0.19/0.48 inference(paramodulation,[status(thm)],[f306,f292])).
% 0.19/0.48 fof(f337,plain,(
% 0.19/0.48 y=member_of(x)),
% 0.19/0.48 inference(resolution,[status(thm)],[f315,f307])).
% 0.19/0.48 fof(f338,plain,(
% 0.19/0.48 $false),
% 0.19/0.48 inference(forward_subsumption_resolution,[status(thm)],[f337,f308])).
% 0.19/0.48 % SZS output end CNFRefutation for theBenchmark.p
% 0.19/0.54 % Elapsed time: 0.093654 seconds
% 0.19/0.54 % CPU time: 0.105903 seconds
% 0.19/0.54 % Total memory used: 6.662 MB
% 0.19/0.54 % Net memory used: 6.655 MB
%------------------------------------------------------------------------------