%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SWC043+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 : n011.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 02:41:25 PM UTC 2026
% Result : Theorem 0.10s 0.44s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SWC043+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
% 0.10/0.36 % Computer : n011.cluster.edu
% 0.10/0.36 % Model : x86_64 x86_64
% 0.10/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.36 % Memory : 8046.5625MB
% 0.10/0.36 % OS : Linux 6.8.0-71-generic
% 0.10/0.36 % CPULimit : 300
% 0.10/0.36 % WCLimit : 300
% 0.10/0.36 % DateTime : Mon Sep 21 07:50:58 UTC 2026
% 0.10/0.36 % CPUTime :
% 0.10/0.38 % Drodi V4.1.1
% 0.10/0.44 % Refutation found
% 0.10/0.44 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.10/0.44 % SZS output start CNFRefutation for theBenchmark
% 0.10/0.44 fof(f83,axiom,(
% 0.10/0.44 (! [U] :( ssList(U)=> (! [V] :( ssList(V)=> ( nil = app(U,V)<=> ( nil = V& nil = U ) ) ) )) )),
% 0.10/0.44 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/0.44 fof(f96,conjecture,(
% 0.10/0.44 (! [U] :( ssList(U)=> (! [V] :( ssList(V)=> (! [W] :( ssList(W)=> (! [X] :( ssList(X)=> ( nil != V| V != X| U != W| nil = U| (! [Y] :( ssList(Y)=> ( app(W,Y) != X| ~ strictorderedP(W)| (? [Z] :( ssItem(Z)& (? [X1] :( ssList(X1)& app(cons(Z,nil),X1) = Y& (? [X2] :( ssItem(X2)& (? [X3] :( ssList(X3)& app(X3,cons(X2,nil)) = W& lt(X2,Z) ) )) )) )) )) ))| ( nil != X& nil = W ) ) ) )) )) )) )),
% 0.10/0.44 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/0.44 fof(f97,negated_conjecture,(
% 0.10/0.44 ~((! [U] :( ssList(U)=> (! [V] :( ssList(V)=> (! [W] :( ssList(W)=> (! [X] :( ssList(X)=> ( nil != V| V != X| U != W| nil = U| (! [Y] :( ssList(Y)=> ( app(W,Y) != X| ~ strictorderedP(W)| (? [Z] :( ssItem(Z)& (? [X1] :( ssList(X1)& app(cons(Z,nil),X1) = Y& (? [X2] :( ssItem(X2)& (? [X3] :( ssList(X3)& app(X3,cons(X2,nil)) = W& lt(X2,Z) ) )) )) )) )) ))| ( nil != X& nil = W ) ) ) )) )) )) ))),
% 0.10/0.44 inference(negated_conjecture,[status(cth)],[f96])).
% 0.10/0.44 fof(f383,plain,(
% 0.10/0.44 ![U]: (~ssList(U)|(![V]: (~ssList(V)|(nil=app(U,V)<=>(nil=V&nil=U)))))),
% 0.10/0.44 inference(pre_NNF_transformation,[status(thm)],[f83])).
% 0.10/0.44 fof(f384,plain,(
% 0.10/0.44 ![U]: (~ssList(U)|(![V]: (~ssList(V)|((~nil=app(U,V)|(nil=V&nil=U))&(nil=app(U,V)|(~nil=V|~nil=U))))))),
% 0.10/0.44 inference(NNF_transformation,[status(thm)],[f383])).
% 0.10/0.44 fof(f386,plain,(
% 0.10/0.44 ![X0,X1]: (~ssList(X0)|~ssList(X1)|~nil=app(X0,X1)|nil=X0)),
% 0.10/0.44 inference(cnf_transformation,[status(thm)],[f384])).
% 0.10/0.44 fof(f415,plain,(
% 0.10/0.44 (?[U]: (ssList(U)&(?[V]: (ssList(V)&(?[W]: (ssList(W)&(?[X]: (ssList(X)&(((((nil=V&V=X)&U=W)&~nil=U)&(?[Y]: (ssList(Y)&((app(W,Y)=X&strictorderedP(W))&(![Z]: (~ssItem(Z)|(![X1]: ((~ssList(X1)|~app(cons(Z,nil),X1)=Y)|(![X2]: (~ssItem(X2)|(![X3]: ((~ssList(X3)|~app(X3,cons(X2,nil))=W)|~lt(X2,Z)))))))))))))&(nil=X|~nil=W))))))))))),
% 0.10/0.44 inference(pre_NNF_transformation,[status(thm)],[f97])).
% 0.10/0.44 fof(f416,plain,(
% 0.10/0.44 ?[U]: (ssList(U)&(?[V]: (ssList(V)&(?[W]: (ssList(W)&(?[X]: (ssList(X)&(((((nil=V&V=X)&U=W)&~nil=U)&(?[Y]: (ssList(Y)&((app(W,Y)=X&strictorderedP(W))&(![Z]: (~ssItem(Z)|((![X1]: (~ssList(X1)|~app(cons(Z,nil),X1)=Y))|(![X2]: (~ssItem(X2)|((![X3]: (~ssList(X3)|~app(X3,cons(X2,nil))=W))|~lt(X2,Z)))))))))))&(nil=X|~nil=W)))))))))),
% 0.10/0.44 inference(miniscoping,[status(thm)],[f415])).
% 0.10/0.44 fof(f417,plain,(
% 0.10/0.44 (ssList(sK47_skl)&(ssList(sK48_skl)&(ssList(sK49_skl)&(ssList(sK50_skl)&(((((nil=sK48_skl&sK48_skl=sK50_skl)&sK47_skl=sK49_skl)&~nil=sK47_skl)&(ssList(sK51_skl)&((app(sK49_skl,sK51_skl)=sK50_skl&strictorderedP(sK49_skl))&(![Z]: (~ssItem(Z)|((![X1]: (~ssList(X1)|~app(cons(Z,nil),X1)=sK51_skl))|(![X2]: (~ssItem(X2)|((![X3]: (~ssList(X3)|~app(X3,cons(X2,nil))=sK49_skl))|~lt(X2,Z))))))))))&(nil=sK50_skl|~nil=sK49_skl))))))),
% 0.10/0.44 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(Y,sK51_skl)],[f416])).
% 0.10/0.44 fof(f420,plain,(
% 0.10/0.44 ssList(sK49_skl)),
% 0.10/0.44 inference(cnf_transformation,[status(thm)],[f417])).
% 0.10/0.44 fof(f422,plain,(
% 0.10/0.44 nil=sK48_skl),
% 0.10/0.44 inference(cnf_transformation,[status(thm)],[f417])).
% 0.10/0.44 fof(f423,plain,(
% 0.10/0.44 sK48_skl=sK50_skl),
% 0.10/0.44 inference(cnf_transformation,[status(thm)],[f417])).
% 0.10/0.44 fof(f424,plain,(
% 0.10/0.44 sK47_skl=sK49_skl),
% 0.10/0.44 inference(cnf_transformation,[status(thm)],[f417])).
% 0.10/0.44 fof(f425,plain,(
% 0.10/0.44 ~nil=sK47_skl),
% 0.10/0.44 inference(cnf_transformation,[status(thm)],[f417])).
% 0.10/0.44 fof(f426,plain,(
% 0.10/0.44 ssList(sK51_skl)),
% 0.10/0.44 inference(cnf_transformation,[status(thm)],[f417])).
% 0.10/0.44 fof(f427,plain,(
% 0.10/0.44 app(sK49_skl,sK51_skl)=sK50_skl),
% 0.10/0.44 inference(cnf_transformation,[status(thm)],[f417])).
% 0.10/0.44 fof(f468,plain,(
% 0.10/0.44 nil=sK50_skl),
% 0.10/0.44 inference(backward_demodulation,[status(thm)],[f423,f422])).
% 0.10/0.44 fof(f471,plain,(
% 0.10/0.44 ~nil=sK49_skl),
% 0.10/0.44 inference(forward_demodulation,[status(thm)],[f424,f425])).
% 0.10/0.44 fof(f715,definition,(
% 0.10/0.44 sQ29_spl <=> (ssList(sK51_skl))),
% 0.10/0.44 introduced(definition,[new_symbols(definition,[sQ29_spl])],[split_symbol_definition])).
% 0.10/0.44 fof(f717,plain,(
% 0.10/0.44 ~ssList(sK51_skl)|sQ29_spl),
% 0.10/0.44 inference(component_clause,[status(thm)],[f715])).
% 0.10/0.44 fof(f729,definition,(
% 0.10/0.44 sQ33_spl <=> (ssList(sK49_skl))),
% 0.10/0.44 introduced(definition,[new_symbols(definition,[sQ33_spl])],[split_symbol_definition])).
% 0.10/0.44 fof(f731,plain,(
% 0.10/0.44 ~ssList(sK49_skl)|sQ33_spl),
% 0.10/0.44 inference(component_clause,[status(thm)],[f729])).
% 0.10/0.44 fof(f736,plain,(
% 0.10/0.44 $false|sQ33_spl),
% 0.10/0.44 inference(forward_subsumption_resolution,[status(thm)],[f731,f420])).
% 0.10/0.44 fof(f737,plain,(
% 0.10/0.44 sQ33_spl),
% 0.10/0.44 inference(contradiction_clause,[status(thm)],[f736])).
% 0.10/0.44 fof(f740,plain,(
% 0.10/0.44 $false|sQ29_spl),
% 0.10/0.44 inference(forward_subsumption_resolution,[status(thm)],[f717,f426])).
% 0.10/0.44 fof(f741,plain,(
% 0.10/0.44 sQ29_spl),
% 0.10/0.44 inference(contradiction_clause,[status(thm)],[f740])).
% 0.10/0.44 fof(f743,plain,(
% 0.10/0.44 ~sK50_skl=sK49_skl),
% 0.10/0.44 inference(forward_demodulation,[status(thm)],[f468,f471])).
% 0.10/0.44 fof(f3126,definition,(
% 0.10/0.44 sQ388_spl <=> (sK50_skl=sK49_skl)),
% 0.10/0.44 introduced(definition,[new_symbols(definition,[sQ388_spl])],[split_symbol_definition])).
% 0.10/0.44 fof(f3127,plain,(
% 0.10/0.44 sK50_skl=sK49_skl|~sQ388_spl),
% 0.10/0.44 inference(component_clause,[status(thm)],[f3126])).
% 0.10/0.44 fof(f3134,plain,(
% 0.10/0.44 ![X0,X1]: (~ssList(X0)|~ssList(X1)|~sK50_skl=app(X0,X1)|nil=X0)),
% 0.10/0.44 inference(forward_demodulation,[status(thm)],[f468,f386])).
% 0.10/0.44 fof(f3135,plain,(
% 0.10/0.44 ![X0,X1]: (~ssList(X0)|~ssList(X1)|~sK50_skl=app(X0,X1)|sK50_skl=X0)),
% 0.10/0.44 inference(forward_demodulation,[status(thm)],[f468,f3134])).
% 0.10/0.44 fof(f3137,plain,(
% 0.10/0.44 ~ssList(sK49_skl)|~ssList(sK51_skl)|sK50_skl=sK49_skl),
% 0.10/0.44 inference(resolution,[status(thm)],[f3135,f427])).
% 0.10/0.44 fof(f3145,plain,(
% 0.10/0.44 ~sQ33_spl|~sQ29_spl|sQ388_spl),
% 0.10/0.44 inference(split_clause,[status(thm)],[f3137,f729,f715,f3126])).
% 0.10/0.44 fof(f3152,plain,(
% 0.10/0.44 $false|~sQ388_spl),
% 0.10/0.44 inference(forward_subsumption_resolution,[status(thm)],[f3127,f743])).
% 0.10/0.44 fof(f3153,plain,(
% 0.10/0.44 ~sQ388_spl),
% 0.10/0.44 inference(contradiction_clause,[status(thm)],[f3152])).
% 0.10/0.44 fof(f3154,plain,(
% 0.10/0.44 $false),
% 0.10/0.44 inference(sat_refutation,[status(thm)],[f737,f741,f3145,f3153])).
% 0.10/0.44 % SZS output end CNFRefutation for theBenchmark.p
% 0.10/0.47 % Elapsed time: 0.090009 seconds
% 0.10/0.47 % CPU time: 0.430853 seconds
% 0.10/0.47 % Total memory used: 115.644 MB
% 0.10/0.47 % Net memory used: 115.073 MB
%------------------------------------------------------------------------------