%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET025-7 : TPTP v9.3.1. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/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 : Unsatisfiable 0.08s 0.39s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SET025-7 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.08/0.36 % Computer : n015.cluster.edu
% 0.08/0.36 % Model : x86_64 x86_64
% 0.08/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.36 % Memory : 8046.5625MB
% 0.08/0.36 % OS : Linux 6.8.0-71-generic
% 0.08/0.36 % CPULimit : 300
% 0.08/0.36 % WCLimit : 300
% 0.08/0.36 % DateTime : Mon Sep 21 04:47:20 UTC 2026
% 0.08/0.36 % CPUTime :
% 0.08/0.37 % Drodi V4.1.1
% 0.08/0.39 % Refutation found
% 0.08/0.39 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.08/0.39 % SZS output start CNFRefutation for theBenchmark
% 0.08/0.39 fof(f11,axiom,(
% 0.08/0.39 (![X,Y]: (member(unordered_pair(X,Y),universal_class) ))),
% 0.08/0.39 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.08/0.39 fof(f13,axiom,(
% 0.08/0.39 (![X,Y]: (unordered_pair(singleton(X),unordered_pair(X,singleton(Y))) = ordered_pair(X,Y) ))),
% 0.08/0.39 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.08/0.39 fof(f145,negated_conjecture,(
% 0.08/0.39 ~ member(ordered_pair(x,y),universal_class) ),
% 0.08/0.39 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.08/0.39 fof(f160,plain,(
% 0.08/0.39 ![X0,X1]: (member(unordered_pair(X0,X1),universal_class))),
% 0.08/0.39 inference(cnf_transformation,[status(thm)],[f11])).
% 0.08/0.39 fof(f162,plain,(
% 0.08/0.39 ![X0,X1]: (unordered_pair(singleton(X0),unordered_pair(X0,singleton(X1)))=ordered_pair(X0,X1))),
% 0.08/0.39 inference(cnf_transformation,[status(thm)],[f13])).
% 0.08/0.39 fof(f318,plain,(
% 0.08/0.39 ~member(ordered_pair(x,y),universal_class)),
% 0.08/0.39 inference(cnf_transformation,[status(thm)],[f145])).
% 0.08/0.39 fof(f413,plain,(
% 0.08/0.39 ![X0,X1]: (member(ordered_pair(X0,X1),universal_class))),
% 0.08/0.39 inference(paramodulation,[status(thm)],[f162,f160])).
% 0.08/0.39 fof(f419,plain,(
% 0.08/0.39 $false),
% 0.08/0.39 inference(backward_subsumption_resolution,[status(thm)],[f318,f413])).
% 0.08/0.39 % SZS output end CNFRefutation for theBenchmark.p
% 0.14/0.42 % Elapsed time: 0.047730 seconds
% 0.14/0.42 % CPU time: 0.154577 seconds
% 0.14/0.42 % Total memory used: 106.876 MB
% 0.14/0.42 % Net memory used: 106.775 MB
%------------------------------------------------------------------------------