%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SWC203+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 : n017.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 02:41:51 PM UTC 2026
% Result : Theorem 0.07s 0.40s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SWC203+1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.03 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.07/0.34 % Computer : n017.cluster.edu
% 0.07/0.34 % Model : x86_64 x86_64
% 0.07/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.34 % Memory : 8046.5625MB
% 0.07/0.34 % OS : Linux 6.8.0-71-generic
% 0.07/0.34 % CPULimit : 300
% 0.07/0.34 % WCLimit : 300
% 0.07/0.34 % DateTime : Mon Sep 21 07:59:41 UTC 2026
% 0.07/0.35 % CPUTime :
% 0.07/0.39 % Drodi V4.1.1
% 0.07/0.40 % Refutation found
% 0.07/0.40 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.07/0.40 % SZS output start CNFRefutation for theBenchmark
% 0.07/0.40 fof(f96,conjecture,(
% 0.07/0.40 (! [U] :( ssList(U)=> (! [V] :( ssList(V)=> (! [W] :( ssList(W)=> (! [X] :( ssList(X)=> ( V != X| U != W| X != W| ~ neq(V,nil)| neq(U,nil) ) ) )) )) )) )),
% 0.07/0.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.07/0.40 fof(f97,negated_conjecture,(
% 0.07/0.40 ~((! [U] :( ssList(U)=> (! [V] :( ssList(V)=> (! [W] :( ssList(W)=> (! [X] :( ssList(X)=> ( V != X| U != W| X != W| ~ neq(V,nil)| neq(U,nil) ) ) )) )) )) ))),
% 0.07/0.40 inference(negated_conjecture,[status(cth)],[f96])).
% 0.07/0.40 fof(f415,plain,(
% 0.07/0.40 (?[U]: (ssList(U)&(?[V]: (ssList(V)&(?[W]: (ssList(W)&(?[X]: (ssList(X)&((((V=X&U=W)&X=W)&neq(V,nil))&~neq(U,nil))))))))))),
% 0.07/0.40 inference(pre_NNF_transformation,[status(thm)],[f97])).
% 0.07/0.40 fof(f416,plain,(
% 0.07/0.40 (ssList(sK47_skl)&(ssList(sK48_skl)&(ssList(sK49_skl)&(ssList(sK50_skl)&((((sK48_skl=sK50_skl&sK47_skl=sK49_skl)&sK50_skl=sK49_skl)&neq(sK48_skl,nil))&~neq(sK47_skl,nil))))))),
% 0.07/0.40 inference(skolemize,[status(esa),new_symbols(skolem,[sK47_skl,sK48_skl,sK49_skl,sK50_skl]),skolemize(U,sK47_skl),skolemize(V,sK48_skl),skolemize(W,sK49_skl),skolemize(X,sK50_skl)],[f415])).
% 0.07/0.40 fof(f421,plain,(
% 0.07/0.40 sK48_skl=sK50_skl),
% 0.07/0.40 inference(cnf_transformation,[status(thm)],[f416])).
% 0.07/0.40 fof(f422,plain,(
% 0.07/0.40 sK47_skl=sK49_skl),
% 0.07/0.40 inference(cnf_transformation,[status(thm)],[f416])).
% 0.07/0.40 fof(f423,plain,(
% 0.07/0.40 sK50_skl=sK49_skl),
% 0.07/0.40 inference(cnf_transformation,[status(thm)],[f416])).
% 0.07/0.40 fof(f424,plain,(
% 0.07/0.40 neq(sK48_skl,nil)),
% 0.07/0.40 inference(cnf_transformation,[status(thm)],[f416])).
% 0.07/0.40 fof(f425,plain,(
% 0.07/0.40 ~neq(sK47_skl,nil)),
% 0.07/0.40 inference(cnf_transformation,[status(thm)],[f416])).
% 0.07/0.40 fof(f458,plain,(
% 0.07/0.40 sK47_skl=sK50_skl),
% 0.07/0.40 inference(backward_demodulation,[status(thm)],[f423,f422])).
% 0.07/0.40 fof(f460,plain,(
% 0.07/0.40 neq(sK50_skl,nil)),
% 0.07/0.40 inference(forward_demodulation,[status(thm)],[f421,f424])).
% 0.07/0.40 fof(f461,plain,(
% 0.07/0.40 ~neq(sK50_skl,nil)),
% 0.07/0.40 inference(forward_demodulation,[status(thm)],[f458,f425])).
% 0.07/0.40 fof(f462,plain,(
% 0.07/0.40 $false),
% 0.07/0.40 inference(forward_subsumption_resolution,[status(thm)],[f461,f460])).
% 0.07/0.40 % SZS output end CNFRefutation for theBenchmark.p
% 0.17/0.48 % Elapsed time: 0.120891 seconds
% 0.17/0.48 % CPU time: 0.116168 seconds
% 0.17/0.48 % Total memory used: 6.909 MB
% 0.17/0.48 % Net memory used: 6.893 MB
%------------------------------------------------------------------------------