%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SWC259+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 : 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 02:41:59 PM UTC 2026
% Result : Theorem 0.18s 0.46s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : SWC259+1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.06 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.14/0.40 % Computer : n016.cluster.edu
% 0.14/0.40 % Model : x86_64 x86_64
% 0.14/0.40 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.40 % Memory : 8046.5625MB
% 0.14/0.40 % OS : Linux 6.8.0-71-generic
% 0.14/0.40 % CPULimit : 300
% 0.14/0.40 % WCLimit : 300
% 0.14/0.40 % DateTime : Mon Sep 21 08:13:38 UTC 2026
% 0.14/0.40 % CPUTime :
% 0.18/0.44 % Drodi V4.1.1
% 0.18/0.46 % Refutation found
% 0.18/0.46 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.18/0.46 % SZS output start CNFRefutation for theBenchmark
% 0.18/0.46 fof(f65,axiom,(
% 0.18/0.46 (! [U] :( ssItem(U)=> totalorderedP(cons(U,nil)) ) )),
% 0.18/0.46 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.18/0.46 fof(f66,axiom,(
% 0.18/0.46 totalorderedP(nil) ),
% 0.18/0.46 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.18/0.46 fof(f96,conjecture,(
% 0.18/0.46 (! [U] :( ssList(U)=> (! [V] :( ssList(V)=> (! [W] :( ssList(W)=> (! [X] :( ~ ssList(X)| V != X| U != W| totalorderedP(U)| ( (! [Y] :( ssItem(Y)=> (! [Z] :( ssList(Z)=> (! [X1] :( ~ ssList(X1)| cons(Y,nil) != W| app(app(Z,W),X1) != X| (? [X2] :( ssItem(X2)& memberP(Z,X2)& lt(Y,X2) ))| (? [X3] :( ssItem(X3)& memberP(X1,X3)& lt(X3,Y) ) )) )) )))& ( nil != X| nil != W ) ) ) )) )) )) )),
% 0.18/0.46 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.18/0.46 fof(f97,negated_conjecture,(
% 0.18/0.46 ~((! [U] :( ssList(U)=> (! [V] :( ssList(V)=> (! [W] :( ssList(W)=> (! [X] :( ~ ssList(X)| V != X| U != W| totalorderedP(U)| ( (! [Y] :( ssItem(Y)=> (! [Z] :( ssList(Z)=> (! [X1] :( ~ ssList(X1)| cons(Y,nil) != W| app(app(Z,W),X1) != X| (? [X2] :( ssItem(X2)& memberP(Z,X2)& lt(Y,X2) ))| (? [X3] :( ssItem(X3)& memberP(X1,X3)& lt(X3,Y) ) )) )) )))& ( nil != X| nil != W ) ) ) )) )) )) ))),
% 0.18/0.46 inference(negated_conjecture,[status(cth)],[f96])).
% 0.18/0.46 fof(f337,plain,(
% 0.18/0.46 ![U]: (~ssItem(U)|totalorderedP(cons(U,nil)))),
% 0.18/0.46 inference(pre_NNF_transformation,[status(thm)],[f65])).
% 0.18/0.46 fof(f338,plain,(
% 0.18/0.46 ![X0]: (~ssItem(X0)|totalorderedP(cons(X0,nil)))),
% 0.18/0.46 inference(cnf_transformation,[status(thm)],[f337])).
% 0.18/0.46 fof(f339,plain,(
% 0.18/0.46 totalorderedP(nil)),
% 0.18/0.46 inference(cnf_transformation,[status(thm)],[f66])).
% 0.18/0.46 fof(f415,plain,(
% 0.18/0.46 (?[U]: (ssList(U)&(?[V]: (ssList(V)&(?[W]: (ssList(W)&(?[X]: ((((ssList(X)&V=X)&U=W)&~totalorderedP(U))&((?[Y]: (ssItem(Y)&(?[Z]: (ssList(Z)&(?[X1]: ((((ssList(X1)&cons(Y,nil)=W)&app(app(Z,W),X1)=X)&(![X2]: ((~ssItem(X2)|~memberP(Z,X2))|~lt(Y,X2))))&(![X3]: ((~ssItem(X3)|~memberP(X1,X3))|~lt(X3,Y)))))))))|(nil=X&nil=W))))))))))),
% 0.18/0.46 inference(pre_NNF_transformation,[status(thm)],[f97])).
% 0.18/0.46 fof(f416,definition,(
% 0.18/0.46 ![W,X,Y]: (sP0_prd(Y,X,W)<=>(ssItem(Y)&(?[Z]: (ssList(Z)&(?[X1]: ((((ssList(X1)&cons(Y,nil)=W)&app(app(Z,W),X1)=X)&(![X2]: ((~ssItem(X2)|~memberP(Z,X2))|~lt(Y,X2))))&(![X3]: ((~ssItem(X3)|~memberP(X1,X3))|~lt(X3,Y)))))))))),
% 0.18/0.46 introduced(definition,[new_symbols(definition,[sP0_prd])],[])).
% 0.18/0.46 fof(f417,plain,(
% 0.18/0.46 ?[U]: (ssList(U)&(?[V]: (ssList(V)&(?[W]: (ssList(W)&(?[X]: ((((ssList(X)&V=X)&U=W)&~totalorderedP(U))&((?[Y]: sP0_prd(Y,X,W))|(nil=X&nil=W)))))))))),
% 0.18/0.46 inference(formula_renaming,[status(thm)],[f415,f416])).
% 0.18/0.46 fof(f418,plain,(
% 0.18/0.46 (ssList(sK47_skl)&(ssList(sK48_skl)&(ssList(sK49_skl)&((((ssList(sK50_skl)&sK48_skl=sK50_skl)&sK47_skl=sK49_skl)&~totalorderedP(sK47_skl))&(sP0_prd(sK51_skl,sK50_skl,sK49_skl)|(nil=sK50_skl&nil=sK49_skl))))))),
% 0.18/0.46 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)],[f417])).
% 0.18/0.46 fof(f424,plain,(
% 0.18/0.46 sK47_skl=sK49_skl),
% 0.18/0.46 inference(cnf_transformation,[status(thm)],[f418])).
% 0.18/0.46 fof(f425,plain,(
% 0.18/0.46 ~totalorderedP(sK47_skl)),
% 0.18/0.46 inference(cnf_transformation,[status(thm)],[f418])).
% 0.18/0.46 fof(f426,plain,(
% 0.18/0.46 sP0_prd(sK51_skl,sK50_skl,sK49_skl)|nil=sK50_skl),
% 0.18/0.46 inference(cnf_transformation,[status(thm)],[f418])).
% 0.18/0.46 fof(f427,plain,(
% 0.18/0.46 sP0_prd(sK51_skl,sK50_skl,sK49_skl)|nil=sK49_skl),
% 0.18/0.46 inference(cnf_transformation,[status(thm)],[f418])).
% 0.18/0.46 fof(f428,definition,(
% 0.18/0.46 ![Y,Z,X2]: (sP1_prd(X2,Z,Y)<=>((~ssItem(X2)|~memberP(Z,X2))|~lt(Y,X2)))),
% 0.18/0.46 introduced(definition,[new_symbols(definition,[sP1_prd])],[])).
% 0.18/0.46 fof(f429,plain,(
% 0.18/0.46 ![W,X,Y]: (sP0_prd(Y,X,W)<=>(ssItem(Y)&(?[Z]: (ssList(Z)&(?[X1]: ((((ssList(X1)&cons(Y,nil)=W)&app(app(Z,W),X1)=X)&(![X2]: sP1_prd(X2,Z,Y)))&(![X3]: ((~ssItem(X3)|~memberP(X1,X3))|~lt(X3,Y)))))))))),
% 0.18/0.46 inference(formula_renaming,[status(thm)],[f416,f428])).
% 0.18/0.46 fof(f430,plain,(
% 0.18/0.46 ![W,X,Y]: ((~sP0_prd(Y,X,W)|(ssItem(Y)&(?[Z]: (ssList(Z)&(?[X1]: ((((ssList(X1)&cons(Y,nil)=W)&app(app(Z,W),X1)=X)&(![X2]: sP1_prd(X2,Z,Y)))&(![X3]: ((~ssItem(X3)|~memberP(X1,X3))|~lt(X3,Y)))))))))&(sP0_prd(Y,X,W)|(~ssItem(Y)|(![Z]: (~ssList(Z)|(![X1]: ((((~ssList(X1)|~cons(Y,nil)=W)|~app(app(Z,W),X1)=X)|(?[X2]: ~sP1_prd(X2,Z,Y)))|(?[X3]: ((ssItem(X3)&memberP(X1,X3))<(X3,Y))))))))))),
% 0.18/0.46 inference(NNF_transformation,[status(thm)],[f429])).
% 0.18/0.46 fof(f431,plain,(
% 0.18/0.46 (![W,X,Y]: (~sP0_prd(Y,X,W)|(ssItem(Y)&(?[Z]: (ssList(Z)&(?[X1]: ((((ssList(X1)&cons(Y,nil)=W)&app(app(Z,W),X1)=X)&(![X2]: sP1_prd(X2,Z,Y)))&(![X3]: ((~ssItem(X3)|~memberP(X1,X3))|~lt(X3,Y))))))))))&(![W,X,Y]: (sP0_prd(Y,X,W)|(~ssItem(Y)|(![Z]: (~ssList(Z)|(![X1]: ((((~ssList(X1)|~cons(Y,nil)=W)|~app(app(Z,W),X1)=X)|(?[X2]: ~sP1_prd(X2,Z,Y)))|(?[X3]: ((ssItem(X3)&memberP(X1,X3))<(X3,Y))))))))))),
% 0.18/0.46 inference(miniscoping,[status(thm)],[f430])).
% 0.18/0.46 fof(f432,plain,(
% 0.18/0.46 (![W,X,Y]: (~sP0_prd(Y,X,W)|(ssItem(Y)&(ssList(sK52_skl(Y,X,W))&((((ssList(sK53_skl(Y,X,W))&cons(Y,nil)=W)&app(app(sK52_skl(Y,X,W),W),sK53_skl(Y,X,W))=X)&(![X2]: sP1_prd(X2,sK52_skl(Y,X,W),Y)))&(![X3]: ((~ssItem(X3)|~memberP(sK53_skl(Y,X,W),X3))|~lt(X3,Y))))))))&(![W,X,Y]: (sP0_prd(Y,X,W)|(~ssItem(Y)|(![Z]: (~ssList(Z)|(![X1]: ((((~ssList(X1)|~cons(Y,nil)=W)|~app(app(Z,W),X1)=X)|~sP1_prd(sK54_skl(X1,Z,Y,X,W),Z,Y))|((ssItem(sK55_skl(X1,Z,Y,X,W))&memberP(X1,sK55_skl(X1,Z,Y,X,W)))<(sK55_skl(X1,Z,Y,X,W),Y)))))))))),
% 0.18/0.46 inference(skolemize,[status(esa),new_symbols(skolem,[sK52_skl,sK53_skl,sK54_skl,sK55_skl]),skolemize(Z,sK52_skl(Y,X,W)),skolemize(X1,sK53_skl(Y,X,W)),skolemize(X2,sK54_skl(X1,Z,Y,X,W)),skolemize(X3,sK55_skl(X1,Z,Y,X,W))],[f431])).
% 0.18/0.46 fof(f433,plain,(
% 0.18/0.46 ![X0,X1,X2]: (~sP0_prd(X0,X1,X2)|ssItem(X0))),
% 0.18/0.46 inference(cnf_transformation,[status(thm)],[f432])).
% 0.18/0.46 fof(f436,plain,(
% 0.18/0.46 ![X0,X1,X2]: (~sP0_prd(X0,X1,X2)|cons(X0,nil)=X2)),
% 0.18/0.46 inference(cnf_transformation,[status(thm)],[f432])).
% 0.18/0.46 fof(f449,definition,(
% 0.18/0.46 sQ0_spl <=> (sP0_prd(sK51_skl,sK50_skl,sK49_skl))),
% 0.18/0.46 introduced(definition,[new_symbols(definition,[sQ0_spl])],[split_symbol_definition])).
% 0.18/0.46 fof(f450,plain,(
% 0.18/0.46 sP0_prd(sK51_skl,sK50_skl,sK49_skl)|~sQ0_spl),
% 0.18/0.46 inference(component_clause,[status(thm)],[f449])).
% 0.18/0.46 fof(f452,definition,(
% 0.18/0.46 sQ1_spl <=> (nil=sK50_skl)),
% 0.18/0.46 introduced(definition,[new_symbols(definition,[sQ1_spl])],[split_symbol_definition])).
% 0.18/0.46 fof(f453,plain,(
% 0.18/0.46 nil=sK50_skl|~sQ1_spl),
% 0.18/0.46 inference(component_clause,[status(thm)],[f452])).
% 0.18/0.46 fof(f455,plain,(
% 0.18/0.46 sQ0_spl|sQ1_spl),
% 0.18/0.46 inference(split_clause,[status(thm)],[f426,f449,f452])).
% 0.18/0.46 fof(f456,definition,(
% 0.18/0.46 sQ2_spl <=> (nil=sK49_skl)),
% 0.18/0.46 introduced(definition,[new_symbols(definition,[sQ2_spl])],[split_symbol_definition])).
% 0.18/0.46 fof(f457,plain,(
% 0.18/0.46 nil=sK49_skl|~sQ2_spl),
% 0.18/0.46 inference(component_clause,[status(thm)],[f456])).
% 0.18/0.46 fof(f459,plain,(
% 0.18/0.46 sQ0_spl|sQ2_spl),
% 0.18/0.46 inference(split_clause,[status(thm)],[f427,f449,f456])).
% 0.18/0.46 fof(f495,plain,(
% 0.18/0.46 ~totalorderedP(sK49_skl)),
% 0.18/0.46 inference(forward_demodulation,[status(thm)],[f424,f425])).
% 0.18/0.46 fof(f496,plain,(
% 0.18/0.46 ssItem(sK51_skl)|~sQ0_spl),
% 0.18/0.46 inference(resolution,[status(thm)],[f450,f433])).
% 0.18/0.46 fof(f503,plain,(
% 0.18/0.46 cons(sK51_skl,nil)=sK49_skl|~sQ0_spl),
% 0.18/0.46 inference(resolution,[status(thm)],[f436,f450])).
% 0.18/0.46 fof(f538,plain,(
% 0.18/0.46 totalorderedP(sK50_skl)|~sQ1_spl),
% 0.18/0.46 inference(backward_demodulation,[status(thm)],[f453,f339])).
% 0.18/0.46 fof(f540,plain,(
% 0.18/0.46 ~totalorderedP(sK50_skl)|~sQ1_spl|~sQ2_spl),
% 0.18/0.46 inference(backward_demodulation,[status(thm)],[f543,f495])).
% 0.18/0.46 fof(f543,plain,(
% 0.18/0.46 sK50_skl=sK49_skl|~sQ1_spl|~sQ2_spl),
% 0.18/0.46 inference(forward_demodulation,[status(thm)],[f453,f457])).
% 0.18/0.46 fof(f545,plain,(
% 0.18/0.46 $false|~sQ1_spl|~sQ2_spl),
% 0.18/0.46 inference(forward_subsumption_resolution,[status(thm)],[f540,f538])).
% 0.18/0.46 fof(f546,plain,(
% 0.18/0.46 ~sQ1_spl|~sQ2_spl),
% 0.18/0.46 inference(contradiction_clause,[status(thm)],[f545])).
% 0.18/0.46 fof(f726,plain,(
% 0.18/0.46 totalorderedP(cons(sK51_skl,nil))|~sQ0_spl),
% 0.18/0.46 inference(resolution,[status(thm)],[f338,f496])).
% 0.18/0.46 fof(f729,plain,(
% 0.18/0.46 totalorderedP(sK49_skl)|~sQ0_spl),
% 0.18/0.46 inference(forward_demodulation,[status(thm)],[f503,f726])).
% 0.18/0.46 fof(f730,plain,(
% 0.18/0.46 $false|~sQ0_spl),
% 0.18/0.46 inference(forward_subsumption_resolution,[status(thm)],[f729,f495])).
% 0.18/0.46 fof(f731,plain,(
% 0.18/0.46 ~sQ0_spl),
% 0.18/0.46 inference(contradiction_clause,[status(thm)],[f730])).
% 0.18/0.46 fof(f732,plain,(
% 0.18/0.46 $false),
% 0.18/0.46 inference(sat_refutation,[status(thm)],[f455,f459,f546,f731])).
% 0.18/0.46 % SZS output end CNFRefutation for theBenchmark.p
% 0.18/0.54 % Elapsed time: 0.123197 seconds
% 0.18/0.54 % CPU time: 0.148122 seconds
% 0.18/0.54 % Total memory used: 17.753 MB
% 0.18/0.54 % Net memory used: 17.712 MB
%------------------------------------------------------------------------------