%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET061-7 : 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 : n017.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 02:11:23 PM UTC 2026
% Result : Unsatisfiable 0.13s 0.41s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SET061-7 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.09/0.36 % Computer : n017.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 04:43:58 UTC 2026
% 0.09/0.36 % CPUTime :
% 0.13/0.38 % Drodi V4.1.1
% 0.13/0.41 % Refutation found
% 0.13/0.41 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.13/0.41 % SZS output start CNFRefutation for theBenchmark
% 0.13/0.41 fof(f66,axiom,(
% 0.13/0.41 (![X]: (( X = null_class| member(regular(X),X) ) ))),
% 0.13/0.41 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.13/0.41 fof(f102,axiom,(
% 0.13/0.41 (![Y,X]: (~ member(Y,intersection(complement(X),X)) ))),
% 0.13/0.41 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.13/0.41 fof(f103,negated_conjecture,(
% 0.13/0.41 member(z,null_class) ),
% 0.13/0.41 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.13/0.41 fof(f178,plain,(
% 0.13/0.41 ![X0]: (X0=null_class|member(regular(X0),X0))),
% 0.13/0.41 inference(cnf_transformation,[status(thm)],[f66])).
% 0.13/0.41 fof(f224,plain,(
% 0.13/0.41 ![X0,X1]: (~member(X0,intersection(complement(X1),X1)))),
% 0.13/0.41 inference(cnf_transformation,[status(thm)],[f102])).
% 0.13/0.41 fof(f225,plain,(
% 0.13/0.41 member(z,null_class)),
% 0.13/0.41 inference(cnf_transformation,[status(thm)],[f103])).
% 0.13/0.41 fof(f236,plain,(
% 0.13/0.41 ![X0]: (intersection(complement(X0),X0)=null_class)),
% 0.13/0.41 inference(resolution,[status(thm)],[f224,f178])).
% 0.13/0.41 fof(f238,plain,(
% 0.13/0.41 ![X0]: (~member(X0,null_class))),
% 0.13/0.41 inference(backward_demodulation,[status(thm)],[f236,f224])).
% 0.13/0.41 fof(f240,plain,(
% 0.13/0.41 $false),
% 0.13/0.41 inference(backward_subsumption_resolution,[status(thm)],[f225,f238])).
% 0.13/0.41 % SZS output end CNFRefutation for theBenchmark.p
% 0.13/0.44 % Elapsed time: 0.058257 seconds
% 0.13/0.44 % CPU time: 0.156716 seconds
% 0.13/0.44 % Total memory used: 104.969 MB
% 0.13/0.44 % Net memory used: 104.915 MB
%------------------------------------------------------------------------------