%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET064+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 : 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 02:11:24 PM UTC 2026
% Result : Theorem 0.10s 0.40s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SET064+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
% 0.10/0.36 % Computer : n002.cluster.edu
% 0.10/0.36 % Model : x86_64 x86_64
% 0.10/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.36 % Memory : 8046.5625MB
% 0.10/0.36 % OS : Linux 6.8.0-71-generic
% 0.10/0.36 % CPULimit : 300
% 0.10/0.36 % WCLimit : 300
% 0.10/0.36 % DateTime : Mon Sep 21 04:51:35 UTC 2026
% 0.10/0.37 % CPUTime :
% 0.10/0.38 % Drodi V4.1.1
% 0.10/0.40 % Refutation found
% 0.10/0.40 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.10/0.40 % SZS output start CNFRefutation for theBenchmark
% 0.10/0.40 fof(f41,axiom,(
% 0.10/0.40 (! [X] :( X != null_class=> (? [U] :( member(U,universal_class)& member(U,X)& disjoint(U,X) ) )) )),
% 0.10/0.40 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.40 fof(f44,conjecture,(
% 0.10/0.40 (! [Z] :( Z = null_class| (? [Y] : member(Y,Z) )) )),
% 0.10/0.40 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.40 fof(f45,negated_conjecture,(
% 0.10/0.40 ~((! [Z] :( Z = null_class| (? [Y] : member(Y,Z) )) ))),
% 0.10/0.40 inference(negated_conjecture,[status(cth)],[f44])).
% 0.10/0.40 fof(f181,plain,(
% 0.10/0.40 ![X]: (X=null_class|(?[U]: ((member(U,universal_class)&member(U,X))&disjoint(U,X))))),
% 0.10/0.40 inference(pre_NNF_transformation,[status(thm)],[f41])).
% 0.10/0.40 fof(f182,plain,(
% 0.10/0.40 ![X]: (X=null_class|((member(sK5_skl(X),universal_class)&member(sK5_skl(X),X))&disjoint(sK5_skl(X),X)))),
% 0.10/0.40 inference(skolemize,[status(esa),new_symbols(skolem,[sK5_skl]),skolemize(U,sK5_skl(X))],[f181])).
% 0.10/0.40 fof(f184,plain,(
% 0.10/0.40 ![X0]: (X0=null_class|member(sK5_skl(X0),X0))),
% 0.10/0.40 inference(cnf_transformation,[status(thm)],[f182])).
% 0.10/0.40 fof(f191,plain,(
% 0.10/0.40 (?[Z]: (~Z=null_class&(![Y]: ~member(Y,Z))))),
% 0.10/0.40 inference(pre_NNF_transformation,[status(thm)],[f45])).
% 0.10/0.40 fof(f192,plain,(
% 0.10/0.40 (~sK7_skl=null_class&(![Y]: ~member(Y,sK7_skl)))),
% 0.10/0.40 inference(skolemize,[status(esa),new_symbols(skolem,[sK7_skl]),skolemize(Z,sK7_skl)],[f191])).
% 0.10/0.40 fof(f193,plain,(
% 0.10/0.40 ~sK7_skl=null_class),
% 0.10/0.40 inference(cnf_transformation,[status(thm)],[f192])).
% 0.10/0.40 fof(f194,plain,(
% 0.10/0.40 ![X0]: (~member(X0,sK7_skl))),
% 0.10/0.40 inference(cnf_transformation,[status(thm)],[f192])).
% 0.10/0.40 fof(f211,plain,(
% 0.10/0.40 sK7_skl=null_class),
% 0.10/0.40 inference(resolution,[status(thm)],[f184,f194])).
% 0.10/0.40 fof(f212,plain,(
% 0.10/0.40 $false),
% 0.10/0.40 inference(forward_subsumption_resolution,[status(thm)],[f211,f193])).
% 0.10/0.40 % SZS output end CNFRefutation for theBenchmark.p
% 0.10/0.43 % Elapsed time: 0.052174 seconds
% 0.10/0.43 % CPU time: 0.136440 seconds
% 0.10/0.43 % Total memory used: 45.729 MB
% 0.10/0.43 % Net memory used: 45.690 MB
%------------------------------------------------------------------------------