%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SWC405+1 : TPTP v9.3.1. Released v2.4.0.
% 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 02:42:23 PM UTC 2026
% Result : Theorem 0.12s 0.61s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SWC405+1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.08/0.56 % Computer : n016.cluster.edu
% 0.08/0.56 % Model : x86_64 x86_64
% 0.08/0.56 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.56 % Memory : 8046.5625MB
% 0.08/0.56 % OS : Linux 6.8.0-71-generic
% 0.08/0.56 % CPULimit : 300
% 0.08/0.56 % WCLimit : 300
% 0.08/0.56 % DateTime : Mon Sep 21 08:26:40 UTC 2026
% 0.08/0.56 % CPUTime :
% 0.12/0.58 % Drodi V4.1.1
% 0.12/0.61 % Refutation found
% 0.12/0.61 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.12/0.61 % SZS output start CNFRefutation for theBenchmark
% 0.12/0.61 fof(f96,conjecture,(
% 0.12/0.61 (! [U] :( ssList(U)=> (! [V] :( ssList(V)=> (! [W] :( ssList(W)=> (! [X] :( ssList(X)=> ( V != X| U != W| (? [Y] :( ssItem(Y)& ( ( ~ memberP(X,Y)& memberP(W,Y) )| ( ~ memberP(W,Y)& memberP(X,Y) ) ) ))| (! [Z] :( ssItem(Z)=> ( ~ memberP(U,Z)| memberP(V,Z) ) ) )) ) )) )) )) )),
% 0.12/0.61 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.12/0.61 fof(f97,negated_conjecture,(
% 0.12/0.61 ~((! [U] :( ssList(U)=> (! [V] :( ssList(V)=> (! [W] :( ssList(W)=> (! [X] :( ssList(X)=> ( V != X| U != W| (? [Y] :( ssItem(Y)& ( ( ~ memberP(X,Y)& memberP(W,Y) )| ( ~ memberP(W,Y)& memberP(X,Y) ) ) ))| (! [Z] :( ssItem(Z)=> ( ~ memberP(U,Z)| memberP(V,Z) ) ) )) ) )) )) )) ))),
% 0.12/0.61 inference(negated_conjecture,[status(cth)],[f96])).
% 0.12/0.61 fof(f415,plain,(
% 0.12/0.61 (?[U]: (ssList(U)&(?[V]: (ssList(V)&(?[W]: (ssList(W)&(?[X]: (ssList(X)&(((V=X&U=W)&(![Y]: (~ssItem(Y)|((memberP(X,Y)|~memberP(W,Y))&(memberP(W,Y)|~memberP(X,Y))))))&(?[Z]: (ssItem(Z)&(memberP(U,Z)&~memberP(V,Z)))))))))))))),
% 0.12/0.61 inference(pre_NNF_transformation,[status(thm)],[f97])).
% 0.12/0.61 fof(f416,plain,(
% 0.12/0.61 (ssList(sK47_skl)&(ssList(sK48_skl)&(ssList(sK49_skl)&(ssList(sK50_skl)&(((sK48_skl=sK50_skl&sK47_skl=sK49_skl)&(![Y]: (~ssItem(Y)|((memberP(sK50_skl,Y)|~memberP(sK49_skl,Y))&(memberP(sK49_skl,Y)|~memberP(sK50_skl,Y))))))&(ssItem(sK51_skl)&(memberP(sK47_skl,sK51_skl)&~memberP(sK48_skl,sK51_skl))))))))),
% 0.12/0.61 inference(skolemize,[status(esa),new_symbols(skolem,[sK47_skl,sK48_skl,sK49_skl,sK50_skl,sK51_skl]),skolemize(U,sK47_skl),skolemize(V,sK48_skl),skolemize(W,sK49_skl),skolemize(X,sK50_skl),skolemize(Z,sK51_skl)],[f415])).
% 0.12/0.61 fof(f421,plain,(
% 0.12/0.61 sK48_skl=sK50_skl),
% 0.12/0.61 inference(cnf_transformation,[status(thm)],[f416])).
% 0.12/0.61 fof(f422,plain,(
% 0.12/0.61 sK47_skl=sK49_skl),
% 0.12/0.61 inference(cnf_transformation,[status(thm)],[f416])).
% 0.12/0.61 fof(f423,plain,(
% 0.12/0.61 ![X0]: (~ssItem(X0)|memberP(sK50_skl,X0)|~memberP(sK49_skl,X0))),
% 0.12/0.61 inference(cnf_transformation,[status(thm)],[f416])).
% 0.12/0.61 fof(f425,plain,(
% 0.12/0.61 ssItem(sK51_skl)),
% 0.12/0.61 inference(cnf_transformation,[status(thm)],[f416])).
% 0.12/0.61 fof(f426,plain,(
% 0.12/0.61 memberP(sK47_skl,sK51_skl)),
% 0.12/0.61 inference(cnf_transformation,[status(thm)],[f416])).
% 0.12/0.61 fof(f427,plain,(
% 0.12/0.61 ~memberP(sK48_skl,sK51_skl)),
% 0.12/0.61 inference(cnf_transformation,[status(thm)],[f416])).
% 0.12/0.61 fof(f460,plain,(
% 0.12/0.61 memberP(sK49_skl,sK51_skl)),
% 0.12/0.61 inference(forward_demodulation,[status(thm)],[f422,f426])).
% 0.12/0.61 fof(f461,plain,(
% 0.12/0.61 ~memberP(sK50_skl,sK51_skl)),
% 0.12/0.61 inference(forward_demodulation,[status(thm)],[f421,f427])).
% 0.12/0.61 fof(f465,plain,(
% 0.12/0.61 ~ssItem(sK51_skl)|memberP(sK50_skl,sK51_skl)),
% 0.12/0.61 inference(resolution,[status(thm)],[f423,f460])).
% 0.12/0.61 fof(f466,definition,(
% 0.12/0.61 sQ0_spl <=> (ssItem(sK51_skl))),
% 0.12/0.61 introduced(definition,[new_symbols(definition,[sQ0_spl])],[split_symbol_definition])).
% 0.12/0.61 fof(f468,plain,(
% 0.12/0.61 ~ssItem(sK51_skl)|sQ0_spl),
% 0.12/0.61 inference(component_clause,[status(thm)],[f466])).
% 0.12/0.61 fof(f469,definition,(
% 0.12/0.61 sQ1_spl <=> (memberP(sK50_skl,sK51_skl))),
% 0.12/0.61 introduced(definition,[new_symbols(definition,[sQ1_spl])],[split_symbol_definition])).
% 0.12/0.61 fof(f470,plain,(
% 0.12/0.61 memberP(sK50_skl,sK51_skl)|~sQ1_spl),
% 0.12/0.61 inference(component_clause,[status(thm)],[f469])).
% 0.12/0.61 fof(f472,plain,(
% 0.12/0.61 ~sQ0_spl|sQ1_spl),
% 0.12/0.61 inference(split_clause,[status(thm)],[f465,f466,f469])).
% 0.12/0.61 fof(f473,plain,(
% 0.12/0.61 $false|sQ0_spl),
% 0.12/0.61 inference(forward_subsumption_resolution,[status(thm)],[f468,f425])).
% 0.12/0.61 fof(f474,plain,(
% 0.12/0.61 sQ0_spl),
% 0.12/0.61 inference(contradiction_clause,[status(thm)],[f473])).
% 0.12/0.61 fof(f475,plain,(
% 0.12/0.61 $false|~sQ1_spl),
% 0.12/0.61 inference(forward_subsumption_resolution,[status(thm)],[f470,f461])).
% 0.12/0.61 fof(f476,plain,(
% 0.12/0.61 ~sQ1_spl),
% 0.12/0.61 inference(contradiction_clause,[status(thm)],[f475])).
% 0.12/0.61 fof(f477,plain,(
% 0.12/0.61 $false),
% 0.12/0.61 inference(sat_refutation,[status(thm)],[f472,f474,f476])).
% 0.12/0.61 % SZS output end CNFRefutation for theBenchmark.p
% 0.12/0.63 % Elapsed time: 0.065467 seconds
% 0.12/0.63 % CPU time: 0.170676 seconds
% 0.12/0.63 % Total memory used: 110.387 MB
% 0.12/0.63 % Net memory used: 110.258 MB
%------------------------------------------------------------------------------