%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET077-6 : 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 : n012.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 02:11:27 PM UTC 2026
% Result : Unsatisfiable 0.07s 0.33s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01 % Problem : SET077-6 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.02 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.02/0.30 % Computer : n012.cluster.edu
% 0.02/0.30 % Model : x86_64 x86_64
% 0.02/0.30 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.02/0.30 % Memory : 8046.5625MB
% 0.02/0.30 % OS : Linux 6.8.0-71-generic
% 0.02/0.30 % CPULimit : 300
% 0.02/0.30 % WCLimit : 300
% 0.02/0.30 % DateTime : Mon Sep 21 04:49:52 UTC 2026
% 0.02/0.30 % CPUTime :
% 0.02/0.31 % Drodi V4.1.1
% 0.07/0.33 % Refutation found
% 0.07/0.33 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.07/0.33 % SZS output start CNFRefutation for theBenchmark
% 0.07/0.33 fof(f11,axiom,(
% 0.07/0.33 (![X,Y]: (member(unordered_pair(X,Y),universal_class) ))),
% 0.07/0.33 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.07/0.33 fof(f12,axiom,(
% 0.07/0.33 (![X]: (unordered_pair(X,X) = singleton(X) ))),
% 0.07/0.33 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.07/0.33 fof(f92,negated_conjecture,(
% 0.07/0.33 ~ member(singleton(x),universal_class) ),
% 0.07/0.33 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.07/0.33 fof(f107,plain,(
% 0.07/0.33 ![X0,X1]: (member(unordered_pair(X0,X1),universal_class))),
% 0.07/0.33 inference(cnf_transformation,[status(thm)],[f11])).
% 0.07/0.33 fof(f108,plain,(
% 0.07/0.33 ![X0]: (unordered_pair(X0,X0)=singleton(X0))),
% 0.07/0.33 inference(cnf_transformation,[status(thm)],[f12])).
% 0.07/0.33 fof(f198,plain,(
% 0.07/0.33 ~member(singleton(x),universal_class)),
% 0.07/0.33 inference(cnf_transformation,[status(thm)],[f92])).
% 0.07/0.33 fof(f204,plain,(
% 0.07/0.33 ![X0]: (member(singleton(X0),universal_class))),
% 0.07/0.33 inference(paramodulation,[status(thm)],[f108,f107])).
% 0.07/0.33 fof(f206,plain,(
% 0.07/0.33 $false),
% 0.07/0.33 inference(backward_subsumption_resolution,[status(thm)],[f198,f204])).
% 0.07/0.33 % SZS output end CNFRefutation for theBenchmark.p
% 0.07/0.36 % Elapsed time: 0.045700 seconds
% 0.07/0.36 % CPU time: 0.097582 seconds
% 0.07/0.36 % Total memory used: 104.470 MB
% 0.07/0.36 % Net memory used: 104.376 MB
%------------------------------------------------------------------------------