%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET054+1 : TPTP v9.3.1. Bugfixed v5.4.0.
% 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 02:11:21 PM UTC 2026
% Result : Theorem 0.15s 10.41s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SET054+1 : TPTP v9.3.1. Bugfixed v5.4.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.10/10.38 % Computer : n001.cluster.edu
% 0.10/10.38 % Model : x86_64 x86_64
% 0.10/10.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/10.38 % Memory : 8046.5625MB
% 0.10/10.38 % OS : Linux 6.8.0-71-generic
% 0.10/10.38 % CPULimit : 300
% 0.10/10.38 % WCLimit : 300
% 0.10/10.38 % DateTime : Mon Sep 21 04:53:41 UTC 2026
% 0.10/10.38 % CPUTime :
% 0.10/10.39 % Drodi V4.1.1
% 0.15/10.41 % Refutation found
% 0.15/10.41 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.15/10.41 % SZS output start CNFRefutation for theBenchmark
% 0.15/10.41 fof(f3,axiom,(
% 0.15/10.41 (! [X,Y] :( X = Y<=> ( subclass(X,Y)& subclass(Y,X) ) ) )),
% 0.15/10.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.15/10.41 fof(f44,conjecture,(
% 0.15/10.41 (! [X] : subclass(X,X) )),
% 0.15/10.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.15/10.41 fof(f45,negated_conjecture,(
% 0.15/10.41 ~((! [X] : subclass(X,X) ))),
% 0.15/10.41 inference(negated_conjecture,[status(cth)],[f44])).
% 0.15/10.41 fof(f54,plain,(
% 0.15/10.41 ![X,Y]: ((~X=Y|(subclass(X,Y)&subclass(Y,X)))&(X=Y|(~subclass(X,Y)|~subclass(Y,X))))),
% 0.15/10.41 inference(NNF_transformation,[status(thm)],[f3])).
% 0.15/10.41 fof(f55,plain,(
% 0.15/10.41 (![X,Y]: (~X=Y|(subclass(X,Y)&subclass(Y,X))))&(![X,Y]: (X=Y|(~subclass(X,Y)|~subclass(Y,X))))),
% 0.15/10.41 inference(miniscoping,[status(thm)],[f54])).
% 0.15/10.41 fof(f56,plain,(
% 0.15/10.41 ![X0,X1]: (~X0=X1|subclass(X0,X1))),
% 0.15/10.41 inference(cnf_transformation,[status(thm)],[f55])).
% 0.15/10.41 fof(f191,plain,(
% 0.15/10.41 (?[X]: ~subclass(X,X))),
% 0.15/10.41 inference(pre_NNF_transformation,[status(thm)],[f45])).
% 0.15/10.41 fof(f192,plain,(
% 0.15/10.41 ~subclass(sK7_skl,sK7_skl)),
% 0.15/10.41 inference(skolemize,[status(esa),new_symbols(skolem,[sK7_skl]),skolemize(X,sK7_skl)],[f191])).
% 0.15/10.41 fof(f193,plain,(
% 0.15/10.41 ~subclass(sK7_skl,sK7_skl)),
% 0.15/10.41 inference(cnf_transformation,[status(thm)],[f192])).
% 0.15/10.41 fof(f194,plain,(
% 0.15/10.41 ![X0]: (subclass(X0,X0))),
% 0.15/10.41 inference(destructive_equality_resolution,[status(thm)],[f56])).
% 0.15/10.41 fof(f201,plain,(
% 0.15/10.41 $false),
% 0.15/10.41 inference(backward_subsumption_resolution,[status(thm)],[f193,f194])).
% 0.15/10.41 % SZS output end CNFRefutation for theBenchmark.p
% 0.15/10.43 % Elapsed time: 0.047060 seconds
% 0.15/10.43 % CPU time: 0.130254 seconds
% 0.15/10.43 % Total memory used: 71.787 MB
% 0.15/10.43 % Net memory used: 71.724 MB
%------------------------------------------------------------------------------