↑ Up

Drodi---4.1.1.THM-CRf.s

View TPTP
Problem
Process solution in
SystemOnTSTP
Download .tgz
%------------------------------------------------------------------------------
% File     : Drodi---4.1.1
% Problem  : SWC153+1 : TPTP v9.3.1. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p

% Computer : n019.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 02:40:11 PM UTC 2026

% Result   : Theorem 0.16s 5.49s
% Output   : CNFRefutation 0.16s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   17
% Syntax   : Number of formulae    :   79 (  20 unt;  15 def)
%            Number of atoms       :  354 (  26 equ)
%            Maximal formula atoms :   30 (   4 avg)
%            Number of connectives :  442 ( 167   ~; 164   |;  76   &)
%                                         (  15 <=>;  20  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   31 (   5 avg)
%            Maximal term depth    :    6 (   1 avg)
%            Number of predicates  :   21 (  19 usr;  16 prp; 0-2 aty)
%            Number of functors    :   13 (  13 usr;  11 con; 0-2 aty)
%            Number of variables   :   96 (  64   !;  32   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f17,axiom,
    ssList(nil),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f96,conjecture,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssList(V)
         => ! [W] :
              ( ssList(W)
             => ! [X] :
                  ( ssList(X)
                 => ( ! [X5] :
                        ( ssItem(X5)
                       => ! [X6] :
                            ( ssItem(X6)
                           => ! [X7] :
                                ( ssList(X7)
                               => ! [X8] :
                                    ( ssList(X8)
                                   => ! [X9] :
                                        ( ssList(X9)
                                       => ( ( leq(X5,X6)
                                            & ! [X10] :
                                                ( ssItem(X10)
                                               => ( ( leq(X5,X10)
                                                    & leq(X10,X6) )
                                                  | ~ memberP(X8,X10) ) ) )
                                          | ~ leq(X6,X5)
                                          | app(app(app(app(X7,cons(X5,nil)),X8),cons(X6,nil)),X9) != U ) ) ) ) ) )
                    | ? [Y] :
                        ( ? [Z] :
                            ( ? [X1] :
                                ( ? [X2] :
                                    ( ? [X3] :
                                        ( ( ? [X4] :
                                              ( ( ~ leq(X4,Z)
                                                | ~ leq(Y,X4) )
                                              & memberP(X2,X4)
                                              & ssItem(X4) )
                                          | ~ leq(Y,Z) )
                                        & leq(Z,Y)
                                        & app(app(app(app(X1,cons(Y,nil)),X2),cons(Z,nil)),X3) = W
                                        & ssList(X3) )
                                    & ssList(X2) )
                                & ssList(X1) )
                            & ssItem(Z) )
                        & ssItem(Y) )
                    | W != U
                    | X != V ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f97,negated_conjecture,
    ~ ! [U] :
        ( ssList(U)
       => ! [V] :
            ( ssList(V)
           => ! [W] :
                ( ssList(W)
               => ! [X] :
                    ( ssList(X)
                   => ( ! [X5] :
                          ( ssItem(X5)
                         => ! [X6] :
                              ( ssItem(X6)
                             => ! [X7] :
                                  ( ssList(X7)
                                 => ! [X8] :
                                      ( ssList(X8)
                                     => ! [X9] :
                                          ( ssList(X9)
                                         => ( ( leq(X5,X6)
                                              & ! [X10] :
                                                  ( ssItem(X10)
                                                 => ( ( leq(X5,X10)
                                                      & leq(X10,X6) )
                                                    | ~ memberP(X8,X10) ) ) )
                                            | ~ leq(X6,X5)
                                            | app(app(app(app(X7,cons(X5,nil)),X8),cons(X6,nil)),X9) != U ) ) ) ) ) )
                      | ? [Y] :
                          ( ? [Z] :
                              ( ? [X1] :
                                  ( ? [X2] :
                                      ( ? [X3] :
                                          ( ( ? [X4] :
                                                ( ( ~ leq(X4,Z)
                                                  | ~ leq(Y,X4) )
                                                & memberP(X2,X4)
                                                & ssItem(X4) )
                                            | ~ leq(Y,Z) )
                                          & leq(Z,Y)
                                          & app(app(app(app(X1,cons(Y,nil)),X2),cons(Z,nil)),X3) = W
                                          & ssList(X3) )
                                      & ssList(X2) )
                                  & ssList(X1) )
                              & ssItem(Z) )
                          & ssItem(Y) )
                      | W != U
                      | X != V ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f96]) ).

fof(f223,plain,
    ssList(nil),
    inference(cnf_transformation,[status(thm)],[f17]) ).

fof(f415,plain,
    ? [U] :
      ( ? [V] :
          ( ? [W] :
              ( ? [X] :
                  ( ? [X5] :
                      ( ? [X6] :
                          ( ? [X7] :
                              ( ? [X8] :
                                  ( ? [X9] :
                                      ( ( ~ leq(X5,X6)
                                        | ? [X10] :
                                            ( ( ~ leq(X5,X10)
                                              | ~ leq(X10,X6) )
                                            & memberP(X8,X10)
                                            & ssItem(X10) ) )
                                      & leq(X6,X5)
                                      & app(app(app(app(X7,cons(X5,nil)),X8),cons(X6,nil)),X9) = U
                                      & ssList(X9) )
                                  & ssList(X8) )
                              & ssList(X7) )
                          & ssItem(X6) )
                      & ssItem(X5) )
                  & ! [Y] :
                      ( ! [Z] :
                          ( ! [X1] :
                              ( ! [X2] :
                                  ( ! [X3] :
                                      ( ( ! [X4] :
                                            ( ( leq(X4,Z)
                                              & leq(Y,X4) )
                                            | ~ memberP(X2,X4)
                                            | ~ ssItem(X4) )
                                        & leq(Y,Z) )
                                      | ~ leq(Z,Y)
                                      | app(app(app(app(X1,cons(Y,nil)),X2),cons(Z,nil)),X3) != W
                                      | ~ ssList(X3) )
                                  | ~ ssList(X2) )
                              | ~ ssList(X1) )
                          | ~ ssItem(Z) )
                      | ~ ssItem(Y) )
                  & W = U
                  & X = V
                  & ssList(X) )
              & ssList(W) )
          & ssList(V) )
      & ssList(U) ),
    inference(pre_NNF_transformation,[status(thm)],[f97]) ).

fof(f416,plain,
    ? [U] :
      ( ? [V] :
          ( ? [W] :
              ( ? [X] :
                  ( ? [X5] :
                      ( ? [X6] :
                          ( ? [X7] :
                              ( ? [X8] :
                                  ( ? [X9] :
                                      ( ( ~ leq(X5,X6)
                                        | ? [X10] :
                                            ( ( ~ leq(X5,X10)
                                              | ~ leq(X10,X6) )
                                            & memberP(X8,X10)
                                            & ssItem(X10) ) )
                                      & leq(X6,X5)
                                      & app(app(app(app(X7,cons(X5,nil)),X8),cons(X6,nil)),X9) = U
                                      & ssList(X9) )
                                  & ssList(X8) )
                              & ssList(X7) )
                          & ssItem(X6) )
                      & ssItem(X5) )
                  & ! [Y] :
                      ( ! [Z] :
                          ( ! [X1] :
                              ( ! [X2] :
                                  ( ( ! [X4] :
                                        ( ( leq(X4,Z)
                                          & leq(Y,X4) )
                                        | ~ memberP(X2,X4)
                                        | ~ ssItem(X4) )
                                    & leq(Y,Z) )
                                  | ~ leq(Z,Y)
                                  | ! [X3] :
                                      ( app(app(app(app(X1,cons(Y,nil)),X2),cons(Z,nil)),X3) != W
                                      | ~ ssList(X3) )
                                  | ~ ssList(X2) )
                              | ~ ssList(X1) )
                          | ~ ssItem(Z) )
                      | ~ ssItem(Y) )
                  & W = U
                  & X = V
                  & ssList(X) )
              & ssList(W) )
          & ssList(V) )
      & ssList(U) ),
    inference(miniscoping,[status(thm)],[f415]) ).

fof(f417,plain,
    ( ( ~ leq(sK51_skl,sK52_skl)
      | ( ( ~ leq(sK51_skl,sK56_skl)
          | ~ leq(sK56_skl,sK52_skl) )
        & memberP(sK54_skl,sK56_skl)
        & ssItem(sK56_skl) ) )
    & leq(sK52_skl,sK51_skl)
    & app(app(app(app(sK53_skl,cons(sK51_skl,nil)),sK54_skl),cons(sK52_skl,nil)),sK55_skl) = sK47_skl
    & ssList(sK55_skl)
    & ssList(sK54_skl)
    & ssList(sK53_skl)
    & ssItem(sK52_skl)
    & ssItem(sK51_skl)
    & ! [Y] :
        ( ! [Z] :
            ( ! [X1] :
                ( ! [X2] :
                    ( ( ! [X4] :
                          ( ( leq(X4,Z)
                            & leq(Y,X4) )
                          | ~ memberP(X2,X4)
                          | ~ ssItem(X4) )
                      & leq(Y,Z) )
                    | ~ leq(Z,Y)
                    | ! [X3] :
                        ( app(app(app(app(X1,cons(Y,nil)),X2),cons(Z,nil)),X3) != sK49_skl
                        | ~ ssList(X3) )
                    | ~ ssList(X2) )
                | ~ ssList(X1) )
            | ~ ssItem(Z) )
        | ~ ssItem(Y) )
    & sK49_skl = sK47_skl
    & sK50_skl = sK48_skl
    & ssList(sK50_skl)
    & ssList(sK49_skl)
    & ssList(sK48_skl)
    & ssList(sK47_skl) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK47_skl,sK48_skl,sK49_skl,sK50_skl,sK51_skl,sK52_skl,sK53_skl,sK54_skl,sK55_skl,sK56_skl]),skolemize(U,sK47_skl),skolemize(V,sK48_skl),skolemize(W,sK49_skl),skolemize(X,sK50_skl),skolemize(X5,sK51_skl),skolemize(X6,sK52_skl),skolemize(X7,sK53_skl),skolemize(X8,sK54_skl),skolemize(X9,sK55_skl),skolemize(X10,sK56_skl)],[f416]) ).

fof(f423,plain,
    sK49_skl = sK47_skl,
    inference(cnf_transformation,[status(thm)],[f417]) ).

fof(f424,plain,
    ! [X0,X1,X2,X3,X4] :
      ( leq(X0,X1)
      | ~ leq(X1,X0)
      | app(app(app(app(X2,cons(X0,nil)),X3),cons(X1,nil)),X4) != sK49_skl
      | ~ ssList(X4)
      | ~ ssList(X3)
      | ~ ssList(X2)
      | ~ ssItem(X1)
      | ~ ssItem(X0) ),
    inference(cnf_transformation,[status(thm)],[f417]) ).

fof(f425,plain,
    ! [X0,X1,X2,X3,X4,X5] :
      ( leq(X0,X5)
      | ~ memberP(X3,X5)
      | ~ ssItem(X5)
      | ~ leq(X1,X0)
      | app(app(app(app(X2,cons(X0,nil)),X3),cons(X1,nil)),X4) != sK49_skl
      | ~ ssList(X4)
      | ~ ssList(X3)
      | ~ ssList(X2)
      | ~ ssItem(X1)
      | ~ ssItem(X0) ),
    inference(cnf_transformation,[status(thm)],[f417]) ).

fof(f426,plain,
    ! [X0,X1,X2,X3,X4,X5] :
      ( leq(X5,X1)
      | ~ memberP(X3,X5)
      | ~ ssItem(X5)
      | ~ leq(X1,X0)
      | app(app(app(app(X2,cons(X0,nil)),X3),cons(X1,nil)),X4) != sK49_skl
      | ~ ssList(X4)
      | ~ ssList(X3)
      | ~ ssList(X2)
      | ~ ssItem(X1)
      | ~ ssItem(X0) ),
    inference(cnf_transformation,[status(thm)],[f417]) ).

fof(f427,plain,
    ssItem(sK51_skl),
    inference(cnf_transformation,[status(thm)],[f417]) ).

fof(f428,plain,
    ssItem(sK52_skl),
    inference(cnf_transformation,[status(thm)],[f417]) ).

fof(f429,plain,
    ssList(sK53_skl),
    inference(cnf_transformation,[status(thm)],[f417]) ).

fof(f430,plain,
    ssList(sK54_skl),
    inference(cnf_transformation,[status(thm)],[f417]) ).

fof(f431,plain,
    ssList(sK55_skl),
    inference(cnf_transformation,[status(thm)],[f417]) ).

fof(f432,plain,
    app(app(app(app(sK53_skl,cons(sK51_skl,nil)),sK54_skl),cons(sK52_skl,nil)),sK55_skl) = sK47_skl,
    inference(cnf_transformation,[status(thm)],[f417]) ).

fof(f433,plain,
    leq(sK52_skl,sK51_skl),
    inference(cnf_transformation,[status(thm)],[f417]) ).

fof(f434,plain,
    ( ~ leq(sK51_skl,sK52_skl)
    | ssItem(sK56_skl) ),
    inference(cnf_transformation,[status(thm)],[f417]) ).

fof(f435,plain,
    ( ~ leq(sK51_skl,sK52_skl)
    | memberP(sK54_skl,sK56_skl) ),
    inference(cnf_transformation,[status(thm)],[f417]) ).

fof(f436,plain,
    ( ~ leq(sK51_skl,sK52_skl)
    | ~ leq(sK51_skl,sK56_skl)
    | ~ leq(sK56_skl,sK52_skl) ),
    inference(cnf_transformation,[status(thm)],[f417]) ).

fof(f437,definition,
    ( sQ0_spl
  <=> ssItem(sK56_skl) ),
    introduced(definition,[new_symbols(definition,[sQ0_spl])],[split_symbol_definition]) ).

fof(f440,definition,
    ( sQ1_spl
  <=> leq(sK51_skl,sK52_skl) ),
    introduced(definition,[new_symbols(definition,[sQ1_spl])],[split_symbol_definition]) ).

fof(f443,plain,
    ( ~ sQ1_spl
    | sQ0_spl ),
    inference(split_clause,[status(thm)],[f434,f437,f440]) ).

fof(f444,definition,
    ( sQ2_spl
  <=> memberP(sK54_skl,sK56_skl) ),
    introduced(definition,[new_symbols(definition,[sQ2_spl])],[split_symbol_definition]) ).

fof(f445,plain,
    ( ~ sQ2_spl
    | memberP(sK54_skl,sK56_skl) ),
    inference(component_clause,[status(thm)],[f444]) ).

fof(f447,plain,
    ( ~ sQ1_spl
    | sQ2_spl ),
    inference(split_clause,[status(thm)],[f435,f444,f440]) ).

fof(f448,definition,
    ( sQ3_spl
  <=> leq(sK56_skl,sK52_skl) ),
    introduced(definition,[new_symbols(definition,[sQ3_spl])],[split_symbol_definition]) ).

fof(f451,definition,
    ( sQ4_spl
  <=> leq(sK51_skl,sK56_skl) ),
    introduced(definition,[new_symbols(definition,[sQ4_spl])],[split_symbol_definition]) ).

fof(f454,plain,
    ( ~ sQ1_spl
    | ~ sQ4_spl
    | ~ sQ3_spl ),
    inference(split_clause,[status(thm)],[f436,f448,f451,f440]) ).

fof(f489,plain,
    app(app(app(app(sK53_skl,cons(sK51_skl,nil)),sK54_skl),cons(sK52_skl,nil)),sK55_skl) = sK49_skl,
    inference(forward_demodulation,[status(thm)],[f423,f432]) ).

fof(f490,plain,
    ( leq(sK51_skl,sK52_skl)
    | ~ leq(sK52_skl,sK51_skl)
    | ~ ssList(sK55_skl)
    | ~ ssList(sK54_skl)
    | ~ ssList(sK53_skl)
    | ~ ssItem(sK52_skl)
    | ~ ssItem(sK51_skl) ),
    inference(resolution,[status(thm)],[f424,f489]) ).

fof(f493,definition,
    ( sQ5_spl
  <=> ssItem(sK51_skl) ),
    introduced(definition,[new_symbols(definition,[sQ5_spl])],[split_symbol_definition]) ).

fof(f495,plain,
    ( sQ5_spl
    | ~ ssItem(sK51_skl) ),
    inference(component_clause,[status(thm)],[f493]) ).

fof(f496,definition,
    ( sQ6_spl
  <=> ssItem(sK52_skl) ),
    introduced(definition,[new_symbols(definition,[sQ6_spl])],[split_symbol_definition]) ).

fof(f498,plain,
    ( sQ6_spl
    | ~ ssItem(sK52_skl) ),
    inference(component_clause,[status(thm)],[f496]) ).

fof(f499,definition,
    ( sQ7_spl
  <=> ssList(sK53_skl) ),
    introduced(definition,[new_symbols(definition,[sQ7_spl])],[split_symbol_definition]) ).

fof(f501,plain,
    ( sQ7_spl
    | ~ ssList(sK53_skl) ),
    inference(component_clause,[status(thm)],[f499]) ).

fof(f502,definition,
    ( sQ8_spl
  <=> ssList(sK54_skl) ),
    introduced(definition,[new_symbols(definition,[sQ8_spl])],[split_symbol_definition]) ).

fof(f504,plain,
    ( sQ8_spl
    | ~ ssList(sK54_skl) ),
    inference(component_clause,[status(thm)],[f502]) ).

fof(f505,definition,
    ( sQ9_spl
  <=> ssList(sK55_skl) ),
    introduced(definition,[new_symbols(definition,[sQ9_spl])],[split_symbol_definition]) ).

fof(f507,plain,
    ( sQ9_spl
    | ~ ssList(sK55_skl) ),
    inference(component_clause,[status(thm)],[f505]) ).

fof(f508,definition,
    ( sQ10_spl
  <=> leq(sK52_skl,sK51_skl) ),
    introduced(definition,[new_symbols(definition,[sQ10_spl])],[split_symbol_definition]) ).

fof(f510,plain,
    ( sQ10_spl
    | ~ leq(sK52_skl,sK51_skl) ),
    inference(component_clause,[status(thm)],[f508]) ).

fof(f511,plain,
    ( sQ1_spl
    | ~ sQ10_spl
    | ~ sQ9_spl
    | ~ sQ8_spl
    | ~ sQ7_spl
    | ~ sQ6_spl
    | ~ sQ5_spl ),
    inference(split_clause,[status(thm)],[f490,f493,f496,f499,f502,f505,f508,f440]) ).

fof(f523,plain,
    ( sQ9_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f507,f431]) ).

fof(f524,plain,
    sQ9_spl,
    inference(contradiction_clause,[status(thm)],[f523]) ).

fof(f525,plain,
    ( sQ6_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f498,f428]) ).

fof(f526,plain,
    sQ6_spl,
    inference(contradiction_clause,[status(thm)],[f525]) ).

fof(f527,plain,
    ( sQ10_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f510,f433]) ).

fof(f528,plain,
    sQ10_spl,
    inference(contradiction_clause,[status(thm)],[f527]) ).

fof(f529,plain,
    ( sQ8_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f504,f430]) ).

fof(f530,plain,
    sQ8_spl,
    inference(contradiction_clause,[status(thm)],[f529]) ).

fof(f531,plain,
    ( sQ5_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f495,f427]) ).

fof(f532,plain,
    sQ5_spl,
    inference(contradiction_clause,[status(thm)],[f531]) ).

fof(f533,plain,
    ! [X0] :
      ( leq(sK51_skl,X0)
      | ~ memberP(sK54_skl,X0)
      | ~ ssItem(X0)
      | ~ leq(sK52_skl,sK51_skl)
      | ~ ssList(sK55_skl)
      | ~ ssList(sK54_skl)
      | ~ ssList(sK53_skl)
      | ~ ssItem(sK52_skl)
      | ~ ssItem(sK51_skl) ),
    inference(resolution,[status(thm)],[f425,f489]) ).

fof(f536,definition,
    ! [X0] :
      ( sQ14_spl
    <=> ( leq(sK51_skl,X0)
        | ~ memberP(sK54_skl,X0)
        | ~ ssItem(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ14_spl])],[split_symbol_definition]) ).

fof(f537,plain,
    ! [X0] :
      ( ~ sQ14_spl
      | leq(sK51_skl,X0)
      | ~ memberP(sK54_skl,X0)
      | ~ ssItem(X0) ),
    inference(component_clause,[status(thm)],[f536]) ).

fof(f539,plain,
    ( sQ14_spl
    | ~ sQ10_spl
    | ~ sQ9_spl
    | ~ sQ8_spl
    | ~ sQ7_spl
    | ~ sQ6_spl
    | ~ sQ5_spl ),
    inference(split_clause,[status(thm)],[f533,f493,f496,f499,f502,f505,f508,f536]) ).

fof(f548,plain,
    ( sQ7_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f501,f429]) ).

fof(f549,plain,
    sQ7_spl,
    inference(contradiction_clause,[status(thm)],[f548]) ).

fof(f559,definition,
    ! [X0] :
      ( sQ19_spl
    <=> ( ~ ssList(X0)
        | ~ ssList(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ19_spl])],[split_symbol_definition]) ).

fof(f560,plain,
    ! [X0] :
      ( ~ sQ19_spl
      | ~ ssList(X0)
      | ~ ssList(X0) ),
    inference(component_clause,[status(thm)],[f559]) ).

fof(f566,plain,
    ! [X0] :
      ( ~ sQ19_spl
      | ~ ssList(X0) ),
    inference(duplicate_literals_removal,[status(thm)],[f560]) ).

fof(f575,plain,
    ( ~ sQ19_spl
    | $false ),
    inference(backward_subsumption_resolution,[status(thm)],[f431,f566]) ).

fof(f581,plain,
    ~ sQ19_spl,
    inference(contradiction_clause,[status(thm)],[f575]) ).

fof(f583,plain,
    ( ~ sQ2_spl
    | ~ sQ14_spl
    | leq(sK51_skl,sK56_skl)
    | ~ ssItem(sK56_skl) ),
    inference(resolution,[status(thm)],[f537,f445]) ).

fof(f584,plain,
    ( ~ sQ2_spl
    | ~ sQ14_spl
    | sQ4_spl
    | ~ sQ0_spl ),
    inference(split_clause,[status(thm)],[f583,f437,f451,f536,f444]) ).

fof(f591,plain,
    ! [X0] :
      ( leq(X0,sK52_skl)
      | ~ memberP(sK54_skl,X0)
      | ~ ssItem(X0)
      | ~ leq(sK52_skl,sK51_skl)
      | ~ ssList(sK55_skl)
      | ~ ssList(sK54_skl)
      | ~ ssList(sK53_skl)
      | ~ ssItem(sK52_skl)
      | ~ ssItem(sK51_skl) ),
    inference(resolution,[status(thm)],[f426,f489]) ).

fof(f594,definition,
    ! [X0] :
      ( sQ23_spl
    <=> ( leq(X0,sK52_skl)
        | ~ memberP(sK54_skl,X0)
        | ~ ssItem(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ23_spl])],[split_symbol_definition]) ).

fof(f595,plain,
    ! [X0] :
      ( ~ sQ23_spl
      | leq(X0,sK52_skl)
      | ~ memberP(sK54_skl,X0)
      | ~ ssItem(X0) ),
    inference(component_clause,[status(thm)],[f594]) ).

fof(f597,plain,
    ( sQ23_spl
    | ~ sQ10_spl
    | ~ sQ9_spl
    | ~ sQ8_spl
    | ~ sQ7_spl
    | ~ sQ6_spl
    | ~ sQ5_spl ),
    inference(split_clause,[status(thm)],[f591,f493,f496,f499,f502,f505,f508,f594]) ).

fof(f604,definition,
    ( sQ25_spl
  <=> ssList(nil) ),
    introduced(definition,[new_symbols(definition,[sQ25_spl])],[split_symbol_definition]) ).

fof(f606,plain,
    ( sQ25_spl
    | ~ ssList(nil) ),
    inference(component_clause,[status(thm)],[f604]) ).

fof(f630,plain,
    ( sQ25_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f606,f223]) ).

fof(f631,plain,
    sQ25_spl,
    inference(contradiction_clause,[status(thm)],[f630]) ).

fof(f713,plain,
    ( ~ sQ2_spl
    | ~ sQ23_spl
    | leq(sK56_skl,sK52_skl)
    | ~ ssItem(sK56_skl) ),
    inference(resolution,[status(thm)],[f595,f445]) ).

fof(f714,plain,
    ( ~ sQ2_spl
    | ~ sQ23_spl
    | sQ3_spl
    | ~ sQ0_spl ),
    inference(split_clause,[status(thm)],[f713,f437,f448,f594,f444]) ).

fof(f715,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f443,f447,f454,f511,f524,f526,f528,f530,f532,f539,f549,f581,f584,f597,f631,f714]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05  % Problem  : SWC153+1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.06  % Command  : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.16/5.44  % Computer : n019.cluster.edu
% 0.16/5.44  % Model    : x86_64 x86_64
% 0.16/5.44  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/5.44  % Memory   : 8046.5625MB
% 0.16/5.44  % OS       : Linux 6.8.0-71-generic
% 0.16/5.44  % CPULimit : 300
% 0.16/5.44  % WCLimit  : 300
% 0.16/5.44  % DateTime : Mon Sep 21 08:00:40 UTC 2026
% 0.16/5.44  % CPUTime  : 
% 0.16/5.47  % Drodi V4.1.1
% 0.16/5.49  % Refutation found
% 0.16/5.49  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.16/5.49  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.21/5.53  % Elapsed time: 0.074054 seconds
% 0.21/5.53  % CPU time: 0.211884 seconds
% 0.21/5.53  % Total memory used: 80.230 MB
% 0.21/5.53  % Net memory used: 80.106 MB
%------------------------------------------------------------------------------