%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET101-7 : 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 : n017.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 02:11:33 PM UTC 2026
% Result : Unsatisfiable 0.18s 0.46s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : SET101-7 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.06 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.14/0.41 % Computer : n017.cluster.edu
% 0.14/0.41 % Model : x86_64 x86_64
% 0.14/0.41 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.41 % Memory : 8046.5625MB
% 0.14/0.41 % OS : Linux 6.8.0-71-generic
% 0.14/0.41 % CPULimit : 300
% 0.14/0.41 % WCLimit : 300
% 0.14/0.41 % DateTime : Mon Sep 21 04:48:26 UTC 2026
% 0.14/0.41 % CPUTime :
% 0.18/0.44 % Drodi V4.1.1
% 0.18/0.46 % Refutation found
% 0.18/0.46 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.18/0.46 % SZS output start CNFRefutation for theBenchmark
% 0.18/0.46 fof(f9,axiom,(
% 0.18/0.46 (![X,Y]: (( ~ member(X,universal_class)| member(X,unordered_pair(X,Y)) ) ))),
% 0.18/0.46 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.18/0.46 fof(f13,axiom,(
% 0.18/0.46 (![X,Y]: (unordered_pair(singleton(X),unordered_pair(X,singleton(Y))) = ordered_pair(X,Y) ))),
% 0.18/0.46 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.18/0.46 fof(f120,axiom,(
% 0.18/0.46 (![X]: (member(singleton(X),universal_class) ))),
% 0.18/0.46 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.18/0.46 fof(f146,negated_conjecture,(
% 0.18/0.46 ~ member(singleton(x),ordered_pair(x,y)) ),
% 0.18/0.46 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.18/0.46 fof(f157,plain,(
% 0.18/0.46 ![X]: (~member(X,universal_class)|(![Y]: member(X,unordered_pair(X,Y))))),
% 0.18/0.46 inference(miniscoping,[status(thm)],[f9])).
% 0.18/0.46 fof(f158,plain,(
% 0.18/0.46 ![X0,X1]: (~member(X0,universal_class)|member(X0,unordered_pair(X0,X1)))),
% 0.18/0.46 inference(cnf_transformation,[status(thm)],[f157])).
% 0.18/0.46 fof(f163,plain,(
% 0.18/0.46 ![X0,X1]: (unordered_pair(singleton(X0),unordered_pair(X0,singleton(X1)))=ordered_pair(X0,X1))),
% 0.18/0.46 inference(cnf_transformation,[status(thm)],[f13])).
% 0.18/0.46 fof(f293,plain,(
% 0.18/0.46 ![X0]: (member(singleton(X0),universal_class))),
% 0.18/0.46 inference(cnf_transformation,[status(thm)],[f120])).
% 0.18/0.46 fof(f320,plain,(
% 0.18/0.46 ~member(singleton(x),ordered_pair(x,y))),
% 0.18/0.46 inference(cnf_transformation,[status(thm)],[f146])).
% 0.18/0.46 fof(f507,plain,(
% 0.18/0.46 ![X0,X1]: (member(singleton(X0),unordered_pair(singleton(X0),X1)))),
% 0.18/0.46 inference(resolution,[status(thm)],[f158,f293])).
% 0.18/0.46 fof(f547,plain,(
% 0.18/0.46 ![X0,X1]: (member(singleton(X0),ordered_pair(X0,X1)))),
% 0.18/0.46 inference(paramodulation,[status(thm)],[f163,f507])).
% 0.18/0.46 fof(f553,plain,(
% 0.18/0.46 $false),
% 0.18/0.46 inference(backward_subsumption_resolution,[status(thm)],[f320,f547])).
% 0.18/0.46 % SZS output end CNFRefutation for theBenchmark.p
% 0.18/0.51 % Elapsed time: 0.083644 seconds
% 0.18/0.51 % CPU time: 0.130514 seconds
% 0.18/0.51 % Total memory used: 13.663 MB
% 0.18/0.51 % Net memory used: 13.623 MB
%------------------------------------------------------------------------------