%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET073-7 : TPTP v9.3.1. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n010.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 02:11:26 PM UTC 2026
% Result : Unsatisfiable 0.09s 0.40s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SET073-7 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/0.36 % Computer : n010.cluster.edu
% 0.09/0.36 % Model : x86_64 x86_64
% 0.09/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.36 % Memory : 8046.5625MB
% 0.09/0.36 % OS : Linux 6.8.0-71-generic
% 0.09/0.36 % CPULimit : 300
% 0.09/0.36 % WCLimit : 300
% 0.09/0.36 % DateTime : Mon Sep 21 04:50:41 UTC 2026
% 0.09/0.36 % CPUTime :
% 0.09/0.38 % Drodi V4.1.1
% 0.09/0.40 % Refutation found
% 0.09/0.40 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.09/0.40 % SZS output start CNFRefutation for theBenchmark
% 0.09/0.40 fof(f9,axiom,(
% 0.09/0.40 (![X,Y]: (( ~ member(X,universal_class)| member(X,unordered_pair(X,Y)) ) ))),
% 0.09/0.40 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.09/0.40 fof(f103,axiom,(
% 0.09/0.40 (![Z]: (~ member(Z,null_class) ))),
% 0.09/0.40 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.09/0.40 fof(f116,negated_conjecture,(
% 0.09/0.40 member(x,universal_class) ),
% 0.09/0.40 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.09/0.40 fof(f117,negated_conjecture,(
% 0.09/0.40 unordered_pair(x,y) = null_class ),
% 0.09/0.40 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.09/0.40 fof(f128,plain,(
% 0.09/0.40 ![X]: (~member(X,universal_class)|(![Y]: member(X,unordered_pair(X,Y))))),
% 0.09/0.40 inference(miniscoping,[status(thm)],[f9])).
% 0.09/0.40 fof(f129,plain,(
% 0.09/0.40 ![X0,X1]: (~member(X0,universal_class)|member(X0,unordered_pair(X0,X1)))),
% 0.09/0.40 inference(cnf_transformation,[status(thm)],[f128])).
% 0.09/0.40 fof(f239,plain,(
% 0.09/0.40 ![X0]: (~member(X0,null_class))),
% 0.09/0.40 inference(cnf_transformation,[status(thm)],[f103])).
% 0.09/0.40 fof(f257,plain,(
% 0.09/0.40 member(x,universal_class)),
% 0.09/0.40 inference(cnf_transformation,[status(thm)],[f116])).
% 0.09/0.40 fof(f258,plain,(
% 0.09/0.40 unordered_pair(x,y)=null_class),
% 0.09/0.40 inference(cnf_transformation,[status(thm)],[f117])).
% 0.09/0.40 fof(f281,plain,(
% 0.09/0.40 ![X0]: (member(x,unordered_pair(x,X0)))),
% 0.09/0.40 inference(resolution,[status(thm)],[f129,f257])).
% 0.09/0.40 fof(f293,plain,(
% 0.09/0.40 member(x,null_class)),
% 0.09/0.40 inference(paramodulation,[status(thm)],[f258,f281])).
% 0.09/0.40 fof(f303,plain,(
% 0.09/0.40 $false),
% 0.09/0.40 inference(forward_subsumption_resolution,[status(thm)],[f293,f239])).
% 0.09/0.40 % SZS output end CNFRefutation for theBenchmark.p
% 0.09/0.43 % Elapsed time: 0.055685 seconds
% 0.09/0.43 % CPU time: 0.124429 seconds
% 0.09/0.43 % Total memory used: 59.417 MB
% 0.09/0.43 % Net memory used: 59.386 MB
%------------------------------------------------------------------------------