%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET043+1 : TPTP v9.3.1. Released v2.0.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n002.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 02:11:19 PM UTC 2026
% Result : Theorem 0.19s 5.54s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : SET043+1 : TPTP v9.3.1. Released v2.0.0.
% 0.00/0.06 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.19/5.50 % Computer : n002.cluster.edu
% 0.19/5.50 % Model : x86_64 x86_64
% 0.19/5.50 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.19/5.50 % Memory : 8046.5625MB
% 0.19/5.50 % OS : Linux 6.8.0-71-generic
% 0.19/5.50 % CPULimit : 300
% 0.19/5.50 % WCLimit : 300
% 0.19/5.50 % DateTime : Mon Sep 21 04:50:07 UTC 2026
% 0.19/5.50 % CPUTime :
% 0.19/5.51 % Drodi V4.1.1
% 0.19/5.54 % Refutation found
% 0.19/5.54 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.19/5.54 % SZS output start CNFRefutation for theBenchmark
% 0.19/5.54 fof(f1,conjecture,(
% 0.19/5.54 ~ (? [X] :(! [Y] :( element(Y,X)<=> ~ element(Y,Y) ) ))),
% 0.19/5.54 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.19/5.54 fof(f2,negated_conjecture,(
% 0.19/5.54 ~(~ (? [X] :(! [Y] :( element(Y,X)<=> ~ element(Y,Y) ) )))),
% 0.19/5.54 inference(negated_conjecture,[status(cth)],[f1])).
% 0.19/5.54 fof(f3,plain,(
% 0.19/5.54 ?[X]: ![Y]: ((~element(Y,X)|~element(Y,Y))&(element(Y,X)|element(Y,Y)))),
% 0.19/5.54 inference(NNF_transformation,[status(thm)],[f2])).
% 0.19/5.54 fof(f4,plain,(
% 0.19/5.54 ?[X]: ((![Y]: (~element(Y,X)|~element(Y,Y)))&(![Y]: (element(Y,X)|element(Y,Y))))),
% 0.19/5.54 inference(miniscoping,[status(thm)],[f3])).
% 0.19/5.54 fof(f5,plain,(
% 0.19/5.54 ((![Y]: (~element(Y,sK0_skl)|~element(Y,Y)))&(![Y]: (element(Y,sK0_skl)|element(Y,Y))))),
% 0.19/5.54 inference(skolemize,[status(esa),new_symbols(skolem,[sK0_skl]),skolemize(X,sK0_skl)],[f4])).
% 0.19/5.54 fof(f6,plain,(
% 0.19/5.54 ![X0]: (~element(X0,sK0_skl)|~element(X0,X0))),
% 0.19/5.54 inference(cnf_transformation,[status(thm)],[f5])).
% 0.19/5.54 fof(f7,plain,(
% 0.19/5.54 ![X0]: (element(X0,sK0_skl)|element(X0,X0))),
% 0.19/5.54 inference(cnf_transformation,[status(thm)],[f5])).
% 0.19/5.54 fof(f8,plain,(
% 0.19/5.54 ~element(sK0_skl,sK0_skl)),
% 0.19/5.54 inference(resolution,[status(thm)],[f7,f6])).
% 0.19/5.54 fof(f15,plain,(
% 0.19/5.54 $false),
% 0.19/5.54 inference(resolution,[status(thm)],[f8,f7])).
% 0.19/5.54 % SZS output end CNFRefutation for theBenchmark.p
% 0.19/5.58 % Elapsed time: 0.065140 seconds
% 0.19/5.58 % CPU time: 0.054389 seconds
% 0.19/5.58 % Total memory used: 512.528 KB
% 0.19/5.58 % Net memory used: 499.520 KB
%------------------------------------------------------------------------------