%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET019+4 : TPTP v9.3.1. Released v2.2.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n016.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 02:11:13 PM UTC 2026
% Result : Theorem 0.15s 0.40s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SET019+4 : TPTP v9.3.1. Released v2.2.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.11/0.36 % Computer : n016.cluster.edu
% 0.11/0.36 % Model : x86_64 x86_64
% 0.11/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.36 % Memory : 8046.5625MB
% 0.11/0.36 % OS : Linux 6.8.0-71-generic
% 0.11/0.36 % CPULimit : 300
% 0.11/0.36 % WCLimit : 300
% 0.11/0.36 % DateTime : Mon Sep 21 04:47:52 UTC 2026
% 0.15/0.36 % CPUTime :
% 0.15/0.37 % Drodi V4.1.1
% 0.15/0.40 % Refutation found
% 0.15/0.40 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.15/0.40 % SZS output start CNFRefutation for theBenchmark
% 0.15/0.40 fof(f2,axiom,(
% 0.15/0.40 (! [A,B] :( equal_set(A,B)<=> ( subset(A,B)& subset(B,A) ) ) )),
% 0.15/0.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.15/0.40 fof(f12,conjecture,(
% 0.15/0.40 (! [A,B] :( ( subset(A,B)& subset(B,A) )=> equal_set(A,B) ) )),
% 0.15/0.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.15/0.40 fof(f13,negated_conjecture,(
% 0.15/0.40 ~((! [A,B] :( ( subset(A,B)& subset(B,A) )=> equal_set(A,B) ) ))),
% 0.15/0.40 inference(negated_conjecture,[status(cth)],[f12])).
% 0.15/0.40 fof(f21,plain,(
% 0.15/0.40 ![A,B]: ((~equal_set(A,B)|(subset(A,B)&subset(B,A)))&(equal_set(A,B)|(~subset(A,B)|~subset(B,A))))),
% 0.15/0.40 inference(NNF_transformation,[status(thm)],[f2])).
% 0.15/0.40 fof(f22,plain,(
% 0.15/0.40 (![A,B]: (~equal_set(A,B)|(subset(A,B)&subset(B,A))))&(![A,B]: (equal_set(A,B)|(~subset(A,B)|~subset(B,A))))),
% 0.15/0.40 inference(miniscoping,[status(thm)],[f21])).
% 0.15/0.40 fof(f25,plain,(
% 0.15/0.40 ![X0,X1]: (equal_set(X0,X1)|~subset(X0,X1)|~subset(X1,X0))),
% 0.15/0.40 inference(cnf_transformation,[status(thm)],[f22])).
% 0.15/0.40 fof(f68,plain,(
% 0.15/0.40 (?[A,B]: ((subset(A,B)&subset(B,A))&~equal_set(A,B)))),
% 0.15/0.40 inference(pre_NNF_transformation,[status(thm)],[f13])).
% 0.15/0.40 fof(f69,plain,(
% 0.15/0.40 ((subset(sK3_skl,sK4_skl)&subset(sK4_skl,sK3_skl))&~equal_set(sK3_skl,sK4_skl))),
% 0.15/0.40 inference(skolemize,[status(esa),new_symbols(skolem,[sK3_skl,sK4_skl]),skolemize(A,sK3_skl),skolemize(B,sK4_skl)],[f68])).
% 0.15/0.40 fof(f70,plain,(
% 0.15/0.40 subset(sK3_skl,sK4_skl)),
% 0.15/0.40 inference(cnf_transformation,[status(thm)],[f69])).
% 0.15/0.40 fof(f71,plain,(
% 0.15/0.40 subset(sK4_skl,sK3_skl)),
% 0.15/0.40 inference(cnf_transformation,[status(thm)],[f69])).
% 0.15/0.40 fof(f72,plain,(
% 0.15/0.40 ~equal_set(sK3_skl,sK4_skl)),
% 0.15/0.40 inference(cnf_transformation,[status(thm)],[f69])).
% 0.15/0.40 fof(f76,plain,(
% 0.15/0.40 equal_set(sK3_skl,sK4_skl)|~subset(sK3_skl,sK4_skl)),
% 0.15/0.40 inference(resolution,[status(thm)],[f25,f71])).
% 0.15/0.40 fof(f81,plain,(
% 0.15/0.40 ~subset(sK3_skl,sK4_skl)),
% 0.15/0.40 inference(forward_subsumption_resolution,[status(thm)],[f76,f72])).
% 0.15/0.40 fof(f82,plain,(
% 0.15/0.40 $false),
% 0.15/0.40 inference(backward_subsumption_resolution,[status(thm)],[f70,f81])).
% 0.15/0.40 % SZS output end CNFRefutation for theBenchmark.p
% 0.15/0.44 % Elapsed time: 0.058971 seconds
% 0.15/0.44 % CPU time: 0.166509 seconds
% 0.15/0.44 % Total memory used: 80.518 MB
% 0.15/0.44 % Net memory used: 80.247 MB
%------------------------------------------------------------------------------