%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : NLP143-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n015.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 01:32:46 PM UTC 2026
% Result : Unsatisfiable 0.15s 0.41s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : NLP143-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.11/0.37 % Computer : n015.cluster.edu
% 0.11/0.37 % Model : x86_64 x86_64
% 0.11/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.37 % Memory : 8046.5625MB
% 0.11/0.37 % OS : Linux 6.8.0-71-generic
% 0.11/0.37 % CPULimit : 300
% 0.11/0.37 % WCLimit : 300
% 0.11/0.37 % DateTime : Mon Sep 21 01:47:05 UTC 2026
% 0.11/0.37 % CPUTime :
% 0.15/0.38 % Drodi V4.1.1
% 0.15/0.41 % Refutation found
% 0.15/0.41 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.15/0.41 % SZS output start CNFRefutation for theBenchmark
% 0.15/0.41 fof(f2,axiom,(
% 0.15/0.41 (![U,V]: (( ~ fellow(U,V)| man(U,V) ) ))),
% 0.15/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.15/0.41 fof(f14,axiom,(
% 0.15/0.41 (![U,V]: (( ~ man(U,V)| male(U,V) ) ))),
% 0.15/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.15/0.41 fof(f30,axiom,(
% 0.15/0.41 (![U,V]: (( ~ instrumentality(U,V)| artifact(U,V) ) ))),
% 0.15/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.15/0.41 fof(f31,axiom,(
% 0.15/0.41 (![U,V]: (( ~ artifact(U,V)| object(U,V) ) ))),
% 0.15/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.15/0.41 fof(f35,axiom,(
% 0.15/0.41 (![U,V]: (( ~ object(U,V)| unisex(U,V) ) ))),
% 0.15/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.15/0.41 fof(f48,axiom,(
% 0.15/0.41 (![U,V]: (( ~ frontseat(U,V)| seat(U,V) ) ))),
% 0.15/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.15/0.41 fof(f49,axiom,(
% 0.15/0.41 (![U,V]: (( ~ seat(U,V)| furniture(U,V) ) ))),
% 0.15/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.15/0.41 fof(f50,axiom,(
% 0.15/0.41 (![U,V]: (( ~ furniture(U,V)| instrumentality(U,V) ) ))),
% 0.15/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.15/0.41 fof(f52,axiom,(
% 0.15/0.41 (![U,V]: (( ~ male(U,V)| ~ unisex(U,V) ) ))),
% 0.15/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.15/0.41 fof(f59,axiom,(
% 0.15/0.41 (![U,V,W,X]: (( ~ be(U,V,W,X)| W = X ) ))),
% 0.15/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.15/0.41 fof(f60,axiom,(
% 0.15/0.41 (![U,V]: (( ~ two(U,V)| member(U,skf10(V,U),V) ) ))),
% 0.15/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.15/0.41 fof(f73,negated_conjecture,(
% 0.15/0.41 two(skc6,skc7) ),
% 0.15/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.15/0.41 fof(f88,negated_conjecture,(
% 0.15/0.41 (![U]: (( ~ member(skc6,U,skc7)| fellow(skc6,U) ) ))),
% 0.15/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.15/0.41 fof(f89,negated_conjecture,(
% 0.15/0.41 (![U,V]: (( ~ member(skc6,U,skc7)| frontseat(skc6,skf5(V)) ) ))),
% 0.15/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.15/0.41 fof(f92,negated_conjecture,(
% 0.15/0.41 (![U]: (( ~ member(skc6,U,skc7)| be(skc6,skf6(U),U,skf5(U)) ) ))),
% 0.15/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.15/0.41 fof(f94,plain,(
% 0.15/0.41 ![X0,X1]: (~fellow(X0,X1)|man(X0,X1))),
% 0.15/0.41 inference(cnf_transformation,[status(thm)],[f2])).
% 0.15/0.41 fof(f106,plain,(
% 0.15/0.41 ![X0,X1]: (~man(X0,X1)|male(X0,X1))),
% 0.15/0.41 inference(cnf_transformation,[status(thm)],[f14])).
% 0.15/0.41 fof(f122,plain,(
% 0.15/0.41 ![X0,X1]: (~instrumentality(X0,X1)|artifact(X0,X1))),
% 0.15/0.41 inference(cnf_transformation,[status(thm)],[f30])).
% 0.15/0.41 fof(f123,plain,(
% 0.15/0.41 ![X0,X1]: (~artifact(X0,X1)|object(X0,X1))),
% 0.15/0.41 inference(cnf_transformation,[status(thm)],[f31])).
% 0.15/0.41 fof(f127,plain,(
% 0.15/0.41 ![X0,X1]: (~object(X0,X1)|unisex(X0,X1))),
% 0.15/0.41 inference(cnf_transformation,[status(thm)],[f35])).
% 0.15/0.41 fof(f140,plain,(
% 0.15/0.41 ![X0,X1]: (~frontseat(X0,X1)|seat(X0,X1))),
% 0.15/0.41 inference(cnf_transformation,[status(thm)],[f48])).
% 0.15/0.41 fof(f141,plain,(
% 0.15/0.41 ![X0,X1]: (~seat(X0,X1)|furniture(X0,X1))),
% 0.15/0.41 inference(cnf_transformation,[status(thm)],[f49])).
% 0.15/0.41 fof(f142,plain,(
% 0.15/0.41 ![X0,X1]: (~furniture(X0,X1)|instrumentality(X0,X1))),
% 0.15/0.41 inference(cnf_transformation,[status(thm)],[f50])).
% 0.15/0.41 fof(f144,plain,(
% 0.15/0.41 ![X0,X1]: (~male(X0,X1)|~unisex(X0,X1))),
% 0.15/0.41 inference(cnf_transformation,[status(thm)],[f52])).
% 0.15/0.41 fof(f151,plain,(
% 0.15/0.41 ![W,X]: ((![U,V]: ~be(U,V,W,X))|W=X)),
% 0.15/0.41 inference(miniscoping,[status(thm)],[f59])).
% 0.15/0.41 fof(f152,plain,(
% 0.15/0.41 ![X0,X1,X2,X3]: (~be(X0,X1,X2,X3)|X2=X3)),
% 0.15/0.41 inference(cnf_transformation,[status(thm)],[f151])).
% 0.15/0.41 fof(f153,plain,(
% 0.15/0.41 ![X0,X1]: (~two(X0,X1)|member(X0,skf10(X1,X0),X1))),
% 0.15/0.41 inference(cnf_transformation,[status(thm)],[f60])).
% 0.15/0.41 fof(f170,plain,(
% 0.15/0.41 two(skc6,skc7)),
% 0.15/0.41 inference(cnf_transformation,[status(thm)],[f73])).
% 0.15/0.41 fof(f185,plain,(
% 0.15/0.41 ![X0]: (~member(skc6,X0,skc7)|fellow(skc6,X0))),
% 0.15/0.41 inference(cnf_transformation,[status(thm)],[f88])).
% 0.15/0.41 fof(f186,plain,(
% 0.15/0.41 (![U]: ~member(skc6,U,skc7))|(![V]: frontseat(skc6,skf5(V)))),
% 0.15/0.41 inference(miniscoping,[status(thm)],[f89])).
% 0.15/0.41 fof(f187,plain,(
% 0.15/0.41 ![X0,X1]: (~member(skc6,X0,skc7)|frontseat(skc6,skf5(X1)))),
% 0.15/0.41 inference(cnf_transformation,[status(thm)],[f186])).
% 0.15/0.41 fof(f192,plain,(
% 0.15/0.41 ![X0]: (~member(skc6,X0,skc7)|be(skc6,skf6(X0),X0,skf5(X0)))),
% 0.15/0.41 inference(cnf_transformation,[status(thm)],[f92])).
% 0.15/0.41 fof(f193,definition,(
% 0.15/0.41 ![X0]: (sQ0_spl <=> (~member(skc6,X0,skc7)))),
% 0.15/0.41 introduced(definition,[new_symbols(definition,[sQ0_spl])],[split_symbol_definition])).
% 0.15/0.41 fof(f194,plain,(
% 0.15/0.41 ![X0]: (~member(skc6,X0,skc7)|~sQ0_spl)),
% 0.15/0.41 inference(component_clause,[status(thm)],[f193])).
% 0.15/0.41 fof(f196,definition,(
% 0.15/0.41 ![X1]: (sQ1_spl <=> (frontseat(skc6,skf5(X1))))),
% 0.15/0.41 introduced(definition,[new_symbols(definition,[sQ1_spl])],[split_symbol_definition])).
% 0.15/0.41 fof(f197,plain,(
% 0.15/0.41 ![X0]: (frontseat(skc6,skf5(X0))|~sQ1_spl)),
% 0.15/0.41 inference(component_clause,[status(thm)],[f196])).
% 0.15/0.41 fof(f199,plain,(
% 0.15/0.41 sQ0_spl|sQ1_spl),
% 0.15/0.41 inference(split_clause,[status(thm)],[f187,f193,f196])).
% 0.15/0.41 fof(f280,plain,(
% 0.15/0.41 member(skc6,skf10(skc7,skc6),skc7)),
% 0.15/0.41 inference(resolution,[status(thm)],[f153,f170])).
% 0.15/0.41 fof(f281,plain,(
% 0.15/0.41 $false|~sQ0_spl),
% 0.15/0.41 inference(forward_subsumption_resolution,[status(thm)],[f280,f194])).
% 0.15/0.41 fof(f282,plain,(
% 0.15/0.41 ~sQ0_spl),
% 0.15/0.41 inference(contradiction_clause,[status(thm)],[f281])).
% 0.15/0.41 fof(f283,plain,(
% 0.15/0.41 ![X0]: (seat(skc6,skf5(X0))|~sQ1_spl)),
% 0.15/0.41 inference(resolution,[status(thm)],[f197,f140])).
% 0.15/0.41 fof(f286,plain,(
% 0.15/0.41 ![X0]: (furniture(skc6,skf5(X0))|~sQ1_spl)),
% 0.15/0.41 inference(resolution,[status(thm)],[f283,f141])).
% 0.15/0.41 fof(f292,plain,(
% 0.15/0.41 ![X0]: (instrumentality(skc6,skf5(X0))|~sQ1_spl)),
% 0.15/0.41 inference(resolution,[status(thm)],[f286,f142])).
% 0.15/0.41 fof(f296,plain,(
% 0.15/0.41 fellow(skc6,skf10(skc7,skc6))),
% 0.15/0.41 inference(resolution,[status(thm)],[f280,f185])).
% 0.15/0.41 fof(f297,plain,(
% 0.15/0.41 be(skc6,skf6(skf10(skc7,skc6)),skf10(skc7,skc6),skf5(skf10(skc7,skc6)))),
% 0.15/0.41 inference(resolution,[status(thm)],[f280,f192])).
% 0.15/0.41 fof(f320,plain,(
% 0.15/0.41 man(skc6,skf10(skc7,skc6))),
% 0.15/0.41 inference(resolution,[status(thm)],[f296,f94])).
% 0.15/0.41 fof(f321,plain,(
% 0.15/0.41 skf10(skc7,skc6)=skf5(skf10(skc7,skc6))),
% 0.15/0.41 inference(resolution,[status(thm)],[f297,f152])).
% 0.15/0.41 fof(f324,plain,(
% 0.15/0.41 ![X0]: (artifact(skc6,skf5(X0))|~sQ1_spl)),
% 0.15/0.41 inference(resolution,[status(thm)],[f292,f122])).
% 0.15/0.41 fof(f325,plain,(
% 0.15/0.41 ![X0]: (object(skc6,skf5(X0))|~sQ1_spl)),
% 0.15/0.41 inference(resolution,[status(thm)],[f324,f123])).
% 0.15/0.41 fof(f326,plain,(
% 0.15/0.41 ![X0]: (unisex(skc6,skf5(X0))|~sQ1_spl)),
% 0.15/0.41 inference(resolution,[status(thm)],[f325,f127])).
% 0.15/0.41 fof(f334,plain,(
% 0.15/0.41 male(skc6,skf10(skc7,skc6))),
% 0.15/0.41 inference(resolution,[status(thm)],[f320,f106])).
% 0.15/0.41 fof(f343,plain,(
% 0.15/0.41 unisex(skc6,skf10(skc7,skc6))|~sQ1_spl),
% 0.15/0.41 inference(paramodulation,[status(thm)],[f321,f326])).
% 0.15/0.41 fof(f354,plain,(
% 0.15/0.41 ~unisex(skc6,skf10(skc7,skc6))),
% 0.15/0.41 inference(resolution,[status(thm)],[f334,f144])).
% 0.15/0.41 fof(f355,plain,(
% 0.15/0.41 $false|~sQ1_spl),
% 0.15/0.41 inference(forward_subsumption_resolution,[status(thm)],[f354,f343])).
% 0.15/0.41 fof(f356,plain,(
% 0.15/0.41 ~sQ1_spl),
% 0.15/0.41 inference(contradiction_clause,[status(thm)],[f355])).
% 0.15/0.41 fof(f357,plain,(
% 0.15/0.41 $false),
% 0.15/0.41 inference(sat_refutation,[status(thm)],[f199,f282,f356])).
% 0.15/0.41 % SZS output end CNFRefutation for theBenchmark.p
% 0.15/0.44 % Elapsed time: 0.056486 seconds
% 0.15/0.44 % CPU time: 0.157703 seconds
% 0.15/0.44 % Total memory used: 83.272 MB
% 0.15/0.44 % Net memory used: 83.222 MB
%------------------------------------------------------------------------------