%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET117-6 : 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 : 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 02:11:36 PM UTC 2026
% Result : Unsatisfiable 0.24s 0.54s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : SET117-6 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.07 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.49 % Computer : n001.cluster.edu
% 0.19/0.49 % Model : x86_64 x86_64
% 0.19/0.49 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.19/0.49 % Memory : 8046.5625MB
% 0.19/0.49 % OS : Linux 6.8.0-71-generic
% 0.19/0.49 % CPULimit : 300
% 0.19/0.49 % WCLimit : 300
% 0.19/0.49 % DateTime : Mon Sep 21 05:00:13 UTC 2026
% 0.19/0.49 % CPUTime :
% 0.24/0.52 % Drodi V4.1.1
% 0.24/0.54 % Refutation found
% 0.24/0.54 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.24/0.54 % SZS output start CNFRefutation for theBenchmark
% 0.24/0.54 fof(f11,axiom,(
% 0.24/0.54 (![X,Y]: (member(unordered_pair(X,Y),universal_class) ))),
% 0.24/0.54 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.24/0.54 fof(f13,axiom,(
% 0.24/0.54 (![X,Y]: (unordered_pair(singleton(X),unordered_pair(X,singleton(Y))) = ordered_pair(X,Y) ))),
% 0.24/0.54 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.24/0.54 fof(f92,negated_conjecture,(
% 0.24/0.54 ordered_pair(first(x),second(x)) = x ),
% 0.24/0.54 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.24/0.54 fof(f93,negated_conjecture,(
% 0.24/0.54 ~ member(x,universal_class) ),
% 0.24/0.54 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.24/0.54 fof(f108,plain,(
% 0.24/0.54 ![X0,X1]: (member(unordered_pair(X0,X1),universal_class))),
% 0.24/0.54 inference(cnf_transformation,[status(thm)],[f11])).
% 0.24/0.54 fof(f110,plain,(
% 0.24/0.54 ![X0,X1]: (unordered_pair(singleton(X0),unordered_pair(X0,singleton(X1)))=ordered_pair(X0,X1))),
% 0.24/0.54 inference(cnf_transformation,[status(thm)],[f13])).
% 0.24/0.54 fof(f199,plain,(
% 0.24/0.54 ordered_pair(first(x),second(x))=x),
% 0.24/0.54 inference(cnf_transformation,[status(thm)],[f92])).
% 0.24/0.54 fof(f200,plain,(
% 0.24/0.54 ~member(x,universal_class)),
% 0.24/0.54 inference(cnf_transformation,[status(thm)],[f93])).
% 0.24/0.54 fof(f737,plain,(
% 0.24/0.54 ![X0,X1]: (member(ordered_pair(X0,X1),universal_class))),
% 0.24/0.54 inference(paramodulation,[status(thm)],[f110,f108])).
% 0.24/0.54 fof(f863,plain,(
% 0.24/0.54 member(x,universal_class)),
% 0.24/0.54 inference(paramodulation,[status(thm)],[f199,f737])).
% 0.24/0.54 fof(f864,plain,(
% 0.24/0.54 $false),
% 0.24/0.54 inference(forward_subsumption_resolution,[status(thm)],[f863,f200])).
% 0.24/0.54 % SZS output end CNFRefutation for theBenchmark.p
% 0.27/0.65 % Elapsed time: 0.140782 seconds
% 0.27/0.65 % CPU time: 0.142337 seconds
% 0.27/0.65 % Total memory used: 17.063 MB
% 0.27/0.65 % Net memory used: 17.033 MB
%------------------------------------------------------------------------------