%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET025+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 : 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 02:11:15 PM UTC 2026
% Result : Theorem 0.17s 0.50s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : SET025+1 : TPTP v9.3.1. Bugfixed v5.4.0.
% 0.00/0.06 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.17/0.45 % Computer : n015.cluster.edu
% 0.17/0.45 % Model : x86_64 x86_64
% 0.17/0.45 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.17/0.45 % Memory : 8046.5625MB
% 0.17/0.45 % OS : Linux 6.8.0-71-generic
% 0.17/0.45 % CPULimit : 300
% 0.17/0.45 % WCLimit : 300
% 0.17/0.45 % DateTime : Mon Sep 21 04:46:50 UTC 2026
% 0.17/0.45 % CPUTime :
% 0.17/0.47 % Drodi V4.1.1
% 0.17/0.50 % Refutation found
% 0.17/0.50 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.17/0.50 % SZS output start CNFRefutation for theBenchmark
% 0.17/0.50 fof(f5,axiom,(
% 0.17/0.50 (! [X,Y] : member(unordered_pair(X,Y),universal_class) )),
% 0.17/0.50 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.17/0.50 fof(f7,axiom,(
% 0.17/0.50 (! [X,Y] : ordered_pair(X,Y) = unordered_pair(singleton(X),unordered_pair(X,singleton(Y))) )),
% 0.17/0.50 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.17/0.50 fof(f44,conjecture,(
% 0.17/0.50 (! [X,Y] : member(ordered_pair(X,Y),universal_class) )),
% 0.17/0.50 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.17/0.50 fof(f45,negated_conjecture,(
% 0.17/0.50 ~((! [X,Y] : member(ordered_pair(X,Y),universal_class) ))),
% 0.17/0.50 inference(negated_conjecture,[status(cth)],[f44])).
% 0.17/0.50 fof(f65,plain,(
% 0.17/0.50 ![X0,X1]: (member(unordered_pair(X0,X1),universal_class))),
% 0.17/0.50 inference(cnf_transformation,[status(thm)],[f5])).
% 0.17/0.50 fof(f67,plain,(
% 0.17/0.50 ![X0,X1]: (ordered_pair(X0,X1)=unordered_pair(singleton(X0),unordered_pair(X0,singleton(X1))))),
% 0.17/0.50 inference(cnf_transformation,[status(thm)],[f7])).
% 0.17/0.50 fof(f191,plain,(
% 0.17/0.50 (?[X,Y]: ~member(ordered_pair(X,Y),universal_class))),
% 0.17/0.50 inference(pre_NNF_transformation,[status(thm)],[f45])).
% 0.17/0.50 fof(f192,plain,(
% 0.17/0.50 ~member(ordered_pair(sK7_skl,sK8_skl),universal_class)),
% 0.17/0.50 inference(skolemize,[status(esa),new_symbols(skolem,[sK7_skl,sK8_skl]),skolemize(X,sK7_skl),skolemize(Y,sK8_skl)],[f191])).
% 0.17/0.50 fof(f193,plain,(
% 0.17/0.50 ~member(ordered_pair(sK7_skl,sK8_skl),universal_class)),
% 0.17/0.50 inference(cnf_transformation,[status(thm)],[f192])).
% 0.17/0.50 fof(f315,plain,(
% 0.17/0.50 ![X0,X1]: (member(ordered_pair(X0,X1),universal_class))),
% 0.17/0.50 inference(paramodulation,[status(thm)],[f67,f65])).
% 0.17/0.50 fof(f321,plain,(
% 0.17/0.50 $false),
% 0.17/0.50 inference(backward_subsumption_resolution,[status(thm)],[f193,f315])).
% 0.17/0.50 % SZS output end CNFRefutation for theBenchmark.p
% 0.25/0.58 % Elapsed time: 0.124210 seconds
% 0.25/0.58 % CPU time: 0.113450 seconds
% 0.25/0.58 % Total memory used: 3.345 MB
% 0.25/0.58 % Net memory used: 3.342 MB
%------------------------------------------------------------------------------