%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SEU162+1 : TPTP v9.3.1. Released v3.3.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n013.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 02:21:51 PM UTC 2026
% Result : Theorem 0.18s 0.49s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.04 % Problem : SEU162+1 : TPTP v9.3.1. Released v3.3.0.
% 0.00/0.06 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.18/0.44 % Computer : n013.cluster.edu
% 0.18/0.44 % Model : x86_64 x86_64
% 0.18/0.44 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.18/0.44 % Memory : 8046.5625MB
% 0.18/0.44 % OS : Linux 6.8.0-71-generic
% 0.18/0.44 % CPULimit : 300
% 0.18/0.44 % WCLimit : 300
% 0.18/0.44 % DateTime : Mon Sep 21 05:53:35 UTC 2026
% 0.18/0.44 % CPUTime :
% 0.18/0.45 % Drodi V4.1.1
% 0.18/0.49 % Refutation found
% 0.18/0.49 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.18/0.49 % SZS output start CNFRefutation for theBenchmark
% 0.18/0.49 fof(f4,axiom,(
% 0.18/0.49 (! [A,B] :~ ( disjoint(singleton(A),B)& in(A,B) ) )),
% 0.18/0.49 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.18/0.49 fof(f5,axiom,(
% 0.18/0.49 (! [A,B] :( ~ in(A,B)=> disjoint(singleton(A),B) ) )),
% 0.18/0.49 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.18/0.49 fof(f6,axiom,(
% 0.18/0.49 (! [A,B] :( disjoint(A,B)=> disjoint(B,A) ) )),
% 0.18/0.49 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.18/0.49 fof(f7,conjecture,(
% 0.18/0.49 (! [A,B] :( set_difference(A,singleton(B)) = A<=> ~ in(B,A) ) )),
% 0.18/0.49 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.18/0.49 fof(f8,negated_conjecture,(
% 0.18/0.49 ~((! [A,B] :( set_difference(A,singleton(B)) = A<=> ~ in(B,A) ) ))),
% 0.18/0.49 inference(negated_conjecture,[status(cth)],[f7])).
% 0.18/0.49 fof(f9,axiom,(
% 0.18/0.49 (! [A,B] :( disjoint(A,B)<=> set_difference(A,B) = A ) )),
% 0.18/0.49 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.18/0.49 fof(f12,plain,(
% 0.18/0.49 ![A,B]: (~disjoint(singleton(A),B)|~in(A,B))),
% 0.18/0.49 inference(pre_NNF_transformation,[status(thm)],[f4])).
% 0.18/0.49 fof(f13,plain,(
% 0.18/0.49 ![X0,X1]: (~disjoint(singleton(X0),X1)|~in(X0,X1))),
% 0.18/0.49 inference(cnf_transformation,[status(thm)],[f12])).
% 0.18/0.49 fof(f14,plain,(
% 0.18/0.49 ![A,B]: (in(A,B)|disjoint(singleton(A),B))),
% 0.18/0.49 inference(pre_NNF_transformation,[status(thm)],[f5])).
% 0.18/0.49 fof(f15,plain,(
% 0.18/0.49 ![X0,X1]: (in(X0,X1)|disjoint(singleton(X0),X1))),
% 0.18/0.49 inference(cnf_transformation,[status(thm)],[f14])).
% 0.18/0.49 fof(f16,plain,(
% 0.18/0.49 ![A,B]: (~disjoint(A,B)|disjoint(B,A))),
% 0.18/0.49 inference(pre_NNF_transformation,[status(thm)],[f6])).
% 0.18/0.49 fof(f17,plain,(
% 0.18/0.49 ![X0,X1]: (~disjoint(X0,X1)|disjoint(X1,X0))),
% 0.18/0.49 inference(cnf_transformation,[status(thm)],[f16])).
% 0.18/0.49 fof(f18,plain,(
% 0.18/0.49 (?[A,B]: (set_difference(A,singleton(B))=A<~>~in(B,A)))),
% 0.18/0.49 inference(pre_NNF_transformation,[status(thm)],[f8])).
% 0.18/0.49 fof(f19,plain,(
% 0.18/0.49 ?[A,B]: ((set_difference(A,singleton(B))=A|~in(B,A))&(~set_difference(A,singleton(B))=A|in(B,A)))),
% 0.18/0.49 inference(NNF_transformation,[status(thm)],[f18])).
% 0.18/0.49 fof(f20,plain,(
% 0.18/0.49 ((set_difference(sK0_skl,singleton(sK1_skl))=sK0_skl|~in(sK1_skl,sK0_skl))&(~set_difference(sK0_skl,singleton(sK1_skl))=sK0_skl|in(sK1_skl,sK0_skl)))),
% 0.18/0.49 inference(skolemize,[status(esa),new_symbols(skolem,[sK0_skl,sK1_skl]),skolemize(A,sK0_skl),skolemize(B,sK1_skl)],[f19])).
% 0.18/0.49 fof(f21,plain,(
% 0.18/0.49 set_difference(sK0_skl,singleton(sK1_skl))=sK0_skl|~in(sK1_skl,sK0_skl)),
% 0.18/0.49 inference(cnf_transformation,[status(thm)],[f20])).
% 0.18/0.49 fof(f22,plain,(
% 0.18/0.49 ~set_difference(sK0_skl,singleton(sK1_skl))=sK0_skl|in(sK1_skl,sK0_skl)),
% 0.18/0.49 inference(cnf_transformation,[status(thm)],[f20])).
% 0.18/0.49 fof(f23,plain,(
% 0.18/0.49 ![A,B]: ((~disjoint(A,B)|set_difference(A,B)=A)&(disjoint(A,B)|~set_difference(A,B)=A))),
% 0.18/0.49 inference(NNF_transformation,[status(thm)],[f9])).
% 0.18/0.49 fof(f24,plain,(
% 0.18/0.49 (![A,B]: (~disjoint(A,B)|set_difference(A,B)=A))&(![A,B]: (disjoint(A,B)|~set_difference(A,B)=A))),
% 0.18/0.49 inference(miniscoping,[status(thm)],[f23])).
% 0.18/0.49 fof(f25,plain,(
% 0.18/0.49 ![X0,X1]: (~disjoint(X0,X1)|set_difference(X0,X1)=X0)),
% 0.18/0.49 inference(cnf_transformation,[status(thm)],[f24])).
% 0.18/0.49 fof(f26,plain,(
% 0.18/0.49 ![X0,X1]: (disjoint(X0,X1)|~set_difference(X0,X1)=X0)),
% 0.18/0.49 inference(cnf_transformation,[status(thm)],[f24])).
% 0.18/0.49 fof(f34,plain,(
% 0.18/0.49 ![X0,X1]: (disjoint(X0,singleton(X1))|in(X1,X0))),
% 0.18/0.49 inference(resolution,[status(thm)],[f17,f15])).
% 0.18/0.49 fof(f37,plain,(
% 0.18/0.49 ![X0,X1]: (in(X0,X1)|set_difference(X1,singleton(X0))=X1)),
% 0.18/0.49 inference(resolution,[status(thm)],[f34,f25])).
% 0.18/0.49 fof(f38,plain,(
% 0.18/0.49 set_difference(sK0_skl,singleton(sK1_skl))=sK0_skl),
% 0.18/0.49 inference(backward_subsumption_resolution,[status(thm)],[f21,f37])).
% 0.18/0.49 fof(f39,plain,(
% 0.18/0.49 in(sK1_skl,sK0_skl)),
% 0.18/0.49 inference(backward_subsumption_resolution,[status(thm)],[f22,f37])).
% 0.18/0.49 fof(f42,plain,(
% 0.18/0.49 disjoint(sK0_skl,singleton(sK1_skl))),
% 0.18/0.49 inference(resolution,[status(thm)],[f38,f26])).
% 0.18/0.49 fof(f46,plain,(
% 0.18/0.49 disjoint(singleton(sK1_skl),sK0_skl)),
% 0.18/0.49 inference(resolution,[status(thm)],[f42,f17])).
% 0.18/0.49 fof(f53,plain,(
% 0.18/0.49 ~in(sK1_skl,sK0_skl)),
% 0.18/0.49 inference(resolution,[status(thm)],[f46,f13])).
% 0.18/0.49 fof(f56,plain,(
% 0.18/0.49 $false),
% 0.18/0.49 inference(forward_subsumption_resolution,[status(thm)],[f53,f39])).
% 0.18/0.49 % SZS output end CNFRefutation for theBenchmark.p
% 0.25/0.52 % Elapsed time: 0.075603 seconds
% 0.25/0.52 % CPU time: 0.192802 seconds
% 0.25/0.52 % Total memory used: 79.879 MB
% 0.25/0.52 % Net memory used: 79.365 MB
%------------------------------------------------------------------------------