%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET904+1 : TPTP v9.3.1. Released v3.2.0.
% 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 02:12:50 PM UTC 2026
% Result : Theorem 0.14s 0.38s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SET904+1 : TPTP v9.3.1. Released v3.2.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.10/0.35 % Computer : n010.cluster.edu
% 0.10/0.35 % Model : x86_64 x86_64
% 0.10/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.35 % Memory : 8046.5625MB
% 0.10/0.35 % OS : Linux 6.8.0-71-generic
% 0.10/0.35 % CPULimit : 300
% 0.10/0.35 % WCLimit : 300
% 0.10/0.35 % DateTime : Mon Sep 21 05:43:40 UTC 2026
% 0.10/0.36 % CPUTime :
% 0.14/0.36 % Drodi V4.1.1
% 0.14/0.38 % Refutation found
% 0.14/0.38 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.14/0.38 % SZS output start CNFRefutation for theBenchmark
% 0.14/0.38 fof(f9,conjecture,(
% 0.14/0.38 (! [A,B] :( subset(set_union2(singleton(A),B),B)=> in(A,B) ) )),
% 0.14/0.38 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.14/0.38 fof(f10,negated_conjecture,(
% 0.14/0.38 ~((! [A,B] :( subset(set_union2(singleton(A),B),B)=> in(A,B) ) ))),
% 0.14/0.38 inference(negated_conjecture,[status(cth)],[f9])).
% 0.14/0.38 fof(f11,axiom,(
% 0.14/0.38 (! [A,B] :( subset(set_union2(singleton(A),B),B)=> in(A,B) ) )),
% 0.14/0.38 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.14/0.38 fof(f29,plain,(
% 0.14/0.38 (?[A,B]: (subset(set_union2(singleton(A),B),B)&~in(A,B)))),
% 0.14/0.38 inference(pre_NNF_transformation,[status(thm)],[f10])).
% 0.14/0.38 fof(f30,plain,(
% 0.14/0.38 (subset(set_union2(singleton(sK2_skl),sK3_skl),sK3_skl)&~in(sK2_skl,sK3_skl))),
% 0.14/0.38 inference(skolemize,[status(esa),new_symbols(skolem,[sK2_skl,sK3_skl]),skolemize(A,sK2_skl),skolemize(B,sK3_skl)],[f29])).
% 0.14/0.38 fof(f31,plain,(
% 0.14/0.38 subset(set_union2(singleton(sK2_skl),sK3_skl),sK3_skl)),
% 0.14/0.38 inference(cnf_transformation,[status(thm)],[f30])).
% 0.14/0.38 fof(f32,plain,(
% 0.14/0.38 ~in(sK2_skl,sK3_skl)),
% 0.14/0.38 inference(cnf_transformation,[status(thm)],[f30])).
% 0.14/0.38 fof(f33,plain,(
% 0.14/0.38 ![A,B]: (~subset(set_union2(singleton(A),B),B)|in(A,B))),
% 0.14/0.38 inference(pre_NNF_transformation,[status(thm)],[f11])).
% 0.14/0.38 fof(f34,plain,(
% 0.14/0.38 ![X0,X1]: (~subset(set_union2(singleton(X0),X1),X1)|in(X0,X1))),
% 0.14/0.38 inference(cnf_transformation,[status(thm)],[f33])).
% 0.14/0.38 fof(f41,plain,(
% 0.14/0.38 in(sK2_skl,sK3_skl)),
% 0.14/0.38 inference(resolution,[status(thm)],[f34,f31])).
% 0.14/0.38 fof(f45,plain,(
% 0.14/0.38 $false),
% 0.14/0.38 inference(forward_subsumption_resolution,[status(thm)],[f41,f32])).
% 0.14/0.38 % SZS output end CNFRefutation for theBenchmark.p
% 0.14/0.40 % Elapsed time: 0.036472 seconds
% 0.14/0.40 % CPU time: 0.120177 seconds
% 0.14/0.40 % Total memory used: 51.838 MB
% 0.14/0.40 % Net memory used: 51.450 MB
%------------------------------------------------------------------------------