%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET093+1 : TPTP v9.3.1. Bugfixed v7.3.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n015.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 : Theorem 0.18s 0.48s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.04 % Problem : SET093+1 : TPTP v9.3.1. Bugfixed v7.3.0.
% 0.00/0.06 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.18/0.44 % Computer : n015.cluster.edu
% 0.18/0.44 % Model : x86_64 x86_64
% 0.18/0.44 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.18/0.44 % Memory : 8046.5625MB
% 0.18/0.44 % OS : Linux 6.8.0-71-generic
% 0.18/0.44 % CPULimit : 300
% 0.18/0.44 % WCLimit : 300
% 0.18/0.44 % DateTime : Mon Sep 21 04:54:51 UTC 2026
% 0.18/0.44 % CPUTime :
% 0.18/0.46 % Drodi V4.1.1
% 0.18/0.48 % Refutation found
% 0.18/0.48 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.18/0.48 % SZS output start CNFRefutation for theBenchmark
% 0.18/0.48 fof(f5,axiom,(
% 0.18/0.48 (! [X,Y] : member(unordered_pair(X,Y),universal_class) )),
% 0.18/0.48 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.18/0.48 fof(f6,axiom,(
% 0.18/0.48 (! [X] : singleton(X) = unordered_pair(X,X) )),
% 0.18/0.48 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.18/0.48 fof(f48,conjecture,(
% 0.18/0.48 (! [X] :( singleton(member_of(X)) = X=> member(X,universal_class) ) )),
% 0.18/0.48 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.18/0.48 fof(f49,negated_conjecture,(
% 0.18/0.48 ~((! [X] :( singleton(member_of(X)) = X=> member(X,universal_class) ) ))),
% 0.18/0.48 inference(negated_conjecture,[status(cth)],[f48])).
% 0.18/0.48 fof(f69,plain,(
% 0.18/0.48 ![X0,X1]: (member(unordered_pair(X0,X1),universal_class))),
% 0.18/0.48 inference(cnf_transformation,[status(thm)],[f5])).
% 0.18/0.48 fof(f70,plain,(
% 0.18/0.48 ![X0]: (singleton(X0)=unordered_pair(X0,X0))),
% 0.18/0.48 inference(cnf_transformation,[status(thm)],[f6])).
% 0.18/0.48 fof(f201,plain,(
% 0.18/0.48 (?[X]: (singleton(member_of(X))=X&~member(X,universal_class)))),
% 0.18/0.48 inference(pre_NNF_transformation,[status(thm)],[f49])).
% 0.18/0.48 fof(f202,plain,(
% 0.18/0.48 (singleton(member_of(sK7_skl))=sK7_skl&~member(sK7_skl,universal_class))),
% 0.18/0.48 inference(skolemize,[status(esa),new_symbols(skolem,[sK7_skl]),skolemize(X,sK7_skl)],[f201])).
% 0.18/0.48 fof(f203,plain,(
% 0.18/0.48 singleton(member_of(sK7_skl))=sK7_skl),
% 0.18/0.48 inference(cnf_transformation,[status(thm)],[f202])).
% 0.18/0.48 fof(f204,plain,(
% 0.18/0.48 ~member(sK7_skl,universal_class)),
% 0.18/0.48 inference(cnf_transformation,[status(thm)],[f202])).
% 0.18/0.48 fof(f305,plain,(
% 0.18/0.48 ![X0]: (member(singleton(X0),universal_class))),
% 0.18/0.48 inference(paramodulation,[status(thm)],[f70,f69])).
% 0.18/0.48 fof(f311,plain,(
% 0.18/0.48 member(sK7_skl,universal_class)),
% 0.18/0.48 inference(paramodulation,[status(thm)],[f203,f305])).
% 0.18/0.48 fof(f313,plain,(
% 0.18/0.48 $false),
% 0.18/0.48 inference(forward_subsumption_resolution,[status(thm)],[f311,f204])).
% 0.18/0.48 % SZS output end CNFRefutation for theBenchmark.p
% 0.18/0.51 % Elapsed time: 0.061841 seconds
% 0.18/0.51 % CPU time: 0.170869 seconds
% 0.18/0.51 % Total memory used: 52.920 MB
% 0.18/0.51 % Net memory used: 52.860 MB
%------------------------------------------------------------------------------