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Drodi---4.1.1.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : Drodi---4.1.1
% Problem  : GRP643+1 : TPTP v9.3.1. Released v3.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p

% Computer : n006.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 12:34:56 PM UTC 2026

% Result   : Theorem 0.21s 5.57s
% Output   : CNFRefutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   16
% Syntax   : Number of formulae    :   75 (  20 unt;  12 def)
%            Number of atoms       :  294 (   0 equ)
%            Maximal formula atoms :   11 (   3 avg)
%            Number of connectives :  353 ( 134   ~; 144   |;  42   &)
%                                         (  14 <=>;  19  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   16 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :   22 (  21 usr;  13 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   4 con; 0-3 aty)
%            Number of variables   :   48 (  44   !;   4   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,conjecture,
    ! [A] :
      ( ( l1_group_1(A)
        & v4_group_1(A)
        & v3_group_1(A)
        & ~ v3_struct_0(A) )
     => ! [B] :
          ( ( m1_group_2(B,A)
            & v1_group_1(B) )
         => ! [C] :
              ( m1_subset_1(C,u1_struct_0(A))
             => ! [D] :
                  ( m1_subset_1(D,u1_struct_0(A))
                 => ( ( r2_hidden(D,k1_funct_1(k1_latsubgr(A),B))
                      & r2_hidden(C,k1_funct_1(k1_latsubgr(A),B)) )
                   => r2_hidden(k1_group_1(A,C,D),k1_funct_1(k1_latsubgr(A),B)) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f2,negated_conjecture,
    ~ ! [A] :
        ( ( l1_group_1(A)
          & v4_group_1(A)
          & v3_group_1(A)
          & ~ v3_struct_0(A) )
       => ! [B] :
            ( ( m1_group_2(B,A)
              & v1_group_1(B) )
           => ! [C] :
                ( m1_subset_1(C,u1_struct_0(A))
               => ! [D] :
                    ( m1_subset_1(D,u1_struct_0(A))
                   => ( ( r2_hidden(D,k1_funct_1(k1_latsubgr(A),B))
                        & r2_hidden(C,k1_funct_1(k1_latsubgr(A),B)) )
                     => r2_hidden(k1_group_1(A,C,D),k1_funct_1(k1_latsubgr(A),B)) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f1]) ).

fof(f11,axiom,
    ! [A,B,C] :
      ( ( m1_subset_1(C,u1_struct_0(A))
        & m1_subset_1(B,u1_struct_0(A))
        & l1_group_1(A)
        & ~ v3_struct_0(A) )
     => m1_subset_1(k1_group_1(A,B,C),u1_struct_0(A)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f47,axiom,
    ! [A] :
      ( ( l1_group_1(A)
        & v4_group_1(A)
        & v3_group_1(A)
        & ~ v3_struct_0(A) )
     => ! [B] :
          ( ( m1_group_2(B,A)
            & v1_group_1(B) )
         => ! [C] :
              ( m1_subset_1(C,u1_struct_0(A))
             => ( r2_hidden(C,k1_funct_1(k1_latsubgr(A),B))
              <=> r1_rlvect_1(B,C) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f52,axiom,
    ! [A] :
      ( ( l1_group_1(A)
        & v4_group_1(A)
        & v3_group_1(A)
        & ~ v3_struct_0(A) )
     => ! [B] :
          ( m1_subset_1(B,u1_struct_0(A))
         => ! [C] :
              ( m1_subset_1(C,u1_struct_0(A))
             => ! [D] :
                  ( m1_group_2(D,A)
                 => ( ( r1_rlvect_1(D,C)
                      & r1_rlvect_1(D,B) )
                   => r1_rlvect_1(D,k1_group_1(A,B,C)) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f57,plain,
    ? [A] :
      ( ? [B] :
          ( ? [C] :
              ( ? [D] :
                  ( ~ r2_hidden(k1_group_1(A,C,D),k1_funct_1(k1_latsubgr(A),B))
                  & r2_hidden(D,k1_funct_1(k1_latsubgr(A),B))
                  & r2_hidden(C,k1_funct_1(k1_latsubgr(A),B))
                  & m1_subset_1(D,u1_struct_0(A)) )
              & m1_subset_1(C,u1_struct_0(A)) )
          & m1_group_2(B,A)
          & v1_group_1(B) )
      & l1_group_1(A)
      & v4_group_1(A)
      & v3_group_1(A)
      & ~ v3_struct_0(A) ),
    inference(pre_NNF_transformation,[status(thm)],[f2]) ).

fof(f58,plain,
    ( ~ r2_hidden(k1_group_1(sK0_skl,sK2_skl,sK3_skl),k1_funct_1(k1_latsubgr(sK0_skl),sK1_skl))
    & r2_hidden(sK3_skl,k1_funct_1(k1_latsubgr(sK0_skl),sK1_skl))
    & r2_hidden(sK2_skl,k1_funct_1(k1_latsubgr(sK0_skl),sK1_skl))
    & m1_subset_1(sK3_skl,u1_struct_0(sK0_skl))
    & m1_subset_1(sK2_skl,u1_struct_0(sK0_skl))
    & m1_group_2(sK1_skl,sK0_skl)
    & v1_group_1(sK1_skl)
    & l1_group_1(sK0_skl)
    & v4_group_1(sK0_skl)
    & v3_group_1(sK0_skl)
    & ~ v3_struct_0(sK0_skl) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK0_skl,sK1_skl,sK2_skl,sK3_skl]),skolemize(A,sK0_skl),skolemize(B,sK1_skl),skolemize(C,sK2_skl),skolemize(D,sK3_skl)],[f57]) ).

fof(f59,plain,
    ~ v3_struct_0(sK0_skl),
    inference(cnf_transformation,[status(thm)],[f58]) ).

fof(f60,plain,
    v3_group_1(sK0_skl),
    inference(cnf_transformation,[status(thm)],[f58]) ).

fof(f61,plain,
    v4_group_1(sK0_skl),
    inference(cnf_transformation,[status(thm)],[f58]) ).

fof(f62,plain,
    l1_group_1(sK0_skl),
    inference(cnf_transformation,[status(thm)],[f58]) ).

fof(f63,plain,
    v1_group_1(sK1_skl),
    inference(cnf_transformation,[status(thm)],[f58]) ).

fof(f64,plain,
    m1_group_2(sK1_skl,sK0_skl),
    inference(cnf_transformation,[status(thm)],[f58]) ).

fof(f65,plain,
    m1_subset_1(sK2_skl,u1_struct_0(sK0_skl)),
    inference(cnf_transformation,[status(thm)],[f58]) ).

fof(f66,plain,
    m1_subset_1(sK3_skl,u1_struct_0(sK0_skl)),
    inference(cnf_transformation,[status(thm)],[f58]) ).

fof(f67,plain,
    r2_hidden(sK2_skl,k1_funct_1(k1_latsubgr(sK0_skl),sK1_skl)),
    inference(cnf_transformation,[status(thm)],[f58]) ).

fof(f68,plain,
    r2_hidden(sK3_skl,k1_funct_1(k1_latsubgr(sK0_skl),sK1_skl)),
    inference(cnf_transformation,[status(thm)],[f58]) ).

fof(f69,plain,
    ~ r2_hidden(k1_group_1(sK0_skl,sK2_skl,sK3_skl),k1_funct_1(k1_latsubgr(sK0_skl),sK1_skl)),
    inference(cnf_transformation,[status(thm)],[f58]) ).

fof(f93,plain,
    ! [A,B,C] :
      ( m1_subset_1(k1_group_1(A,B,C),u1_struct_0(A))
      | ~ m1_subset_1(C,u1_struct_0(A))
      | ~ m1_subset_1(B,u1_struct_0(A))
      | ~ l1_group_1(A)
      | v3_struct_0(A) ),
    inference(pre_NNF_transformation,[status(thm)],[f11]) ).

fof(f94,plain,
    ! [X0,X1,X2] :
      ( m1_subset_1(k1_group_1(X0,X1,X2),u1_struct_0(X0))
      | ~ m1_subset_1(X2,u1_struct_0(X0))
      | ~ m1_subset_1(X1,u1_struct_0(X0))
      | ~ l1_group_1(X0)
      | v3_struct_0(X0) ),
    inference(cnf_transformation,[status(thm)],[f93]) ).

fof(f168,plain,
    ! [A] :
      ( ! [B] :
          ( ! [C] :
              ( ( r2_hidden(C,k1_funct_1(k1_latsubgr(A),B))
              <=> r1_rlvect_1(B,C) )
              | ~ m1_subset_1(C,u1_struct_0(A)) )
          | ~ m1_group_2(B,A)
          | ~ v1_group_1(B) )
      | ~ l1_group_1(A)
      | ~ v4_group_1(A)
      | ~ v3_group_1(A)
      | v3_struct_0(A) ),
    inference(pre_NNF_transformation,[status(thm)],[f47]) ).

fof(f169,plain,
    ! [A] :
      ( ! [B] :
          ( ! [C] :
              ( ( ( ~ r1_rlvect_1(B,C)
                  | r2_hidden(C,k1_funct_1(k1_latsubgr(A),B)) )
                & ( r1_rlvect_1(B,C)
                  | ~ r2_hidden(C,k1_funct_1(k1_latsubgr(A),B)) ) )
              | ~ m1_subset_1(C,u1_struct_0(A)) )
          | ~ m1_group_2(B,A)
          | ~ v1_group_1(B) )
      | ~ l1_group_1(A)
      | ~ v4_group_1(A)
      | ~ v3_group_1(A)
      | v3_struct_0(A) ),
    inference(NNF_transformation,[status(thm)],[f168]) ).

fof(f170,plain,
    ! [X0,X1,X2] :
      ( r1_rlvect_1(X1,X2)
      | ~ r2_hidden(X2,k1_funct_1(k1_latsubgr(X0),X1))
      | ~ m1_subset_1(X2,u1_struct_0(X0))
      | ~ m1_group_2(X1,X0)
      | ~ v1_group_1(X1)
      | ~ l1_group_1(X0)
      | ~ v4_group_1(X0)
      | ~ v3_group_1(X0)
      | v3_struct_0(X0) ),
    inference(cnf_transformation,[status(thm)],[f169]) ).

fof(f171,plain,
    ! [X0,X1,X2] :
      ( ~ r1_rlvect_1(X1,X2)
      | r2_hidden(X2,k1_funct_1(k1_latsubgr(X0),X1))
      | ~ m1_subset_1(X2,u1_struct_0(X0))
      | ~ m1_group_2(X1,X0)
      | ~ v1_group_1(X1)
      | ~ l1_group_1(X0)
      | ~ v4_group_1(X0)
      | ~ v3_group_1(X0)
      | v3_struct_0(X0) ),
    inference(cnf_transformation,[status(thm)],[f169]) ).

fof(f183,plain,
    ! [A] :
      ( ! [B] :
          ( ! [C] :
              ( ! [D] :
                  ( r1_rlvect_1(D,k1_group_1(A,B,C))
                  | ~ r1_rlvect_1(D,C)
                  | ~ r1_rlvect_1(D,B)
                  | ~ m1_group_2(D,A) )
              | ~ m1_subset_1(C,u1_struct_0(A)) )
          | ~ m1_subset_1(B,u1_struct_0(A)) )
      | ~ l1_group_1(A)
      | ~ v4_group_1(A)
      | ~ v3_group_1(A)
      | v3_struct_0(A) ),
    inference(pre_NNF_transformation,[status(thm)],[f52]) ).

fof(f184,plain,
    ! [X0,X1,X2,X3] :
      ( r1_rlvect_1(X3,k1_group_1(X0,X1,X2))
      | ~ r1_rlvect_1(X3,X2)
      | ~ r1_rlvect_1(X3,X1)
      | ~ m1_group_2(X3,X0)
      | ~ m1_subset_1(X2,u1_struct_0(X0))
      | ~ m1_subset_1(X1,u1_struct_0(X0))
      | ~ l1_group_1(X0)
      | ~ v4_group_1(X0)
      | ~ v3_group_1(X0)
      | v3_struct_0(X0) ),
    inference(cnf_transformation,[status(thm)],[f183]) ).

fof(f234,definition,
    ( sQ6_spl
  <=> v3_struct_0(sK0_skl) ),
    introduced(definition,[new_symbols(definition,[sQ6_spl])],[split_symbol_definition]) ).

fof(f235,plain,
    ( ~ sQ6_spl
    | v3_struct_0(sK0_skl) ),
    inference(component_clause,[status(thm)],[f234]) ).

fof(f237,definition,
    ( sQ7_spl
  <=> v3_group_1(sK0_skl) ),
    introduced(definition,[new_symbols(definition,[sQ7_spl])],[split_symbol_definition]) ).

fof(f239,plain,
    ( sQ7_spl
    | ~ v3_group_1(sK0_skl) ),
    inference(component_clause,[status(thm)],[f237]) ).

fof(f240,definition,
    ( sQ8_spl
  <=> l1_group_1(sK0_skl) ),
    introduced(definition,[new_symbols(definition,[sQ8_spl])],[split_symbol_definition]) ).

fof(f242,plain,
    ( sQ8_spl
    | ~ l1_group_1(sK0_skl) ),
    inference(component_clause,[status(thm)],[f240]) ).

fof(f252,plain,
    ( sQ8_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f242,f62]) ).

fof(f253,plain,
    sQ8_spl,
    inference(contradiction_clause,[status(thm)],[f252]) ).

fof(f254,plain,
    ( sQ7_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f239,f60]) ).

fof(f255,plain,
    sQ7_spl,
    inference(contradiction_clause,[status(thm)],[f254]) ).

fof(f256,plain,
    ( ~ sQ6_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f235,f59]) ).

fof(f257,plain,
    ~ sQ6_spl,
    inference(contradiction_clause,[status(thm)],[f256]) ).

fof(f273,plain,
    ( r1_rlvect_1(sK1_skl,sK3_skl)
    | ~ m1_subset_1(sK3_skl,u1_struct_0(sK0_skl))
    | ~ m1_group_2(sK1_skl,sK0_skl)
    | ~ v1_group_1(sK1_skl)
    | ~ l1_group_1(sK0_skl)
    | ~ v4_group_1(sK0_skl)
    | ~ v3_group_1(sK0_skl)
    | v3_struct_0(sK0_skl) ),
    inference(resolution,[status(thm)],[f170,f68]) ).

fof(f274,plain,
    ( r1_rlvect_1(sK1_skl,sK2_skl)
    | ~ m1_subset_1(sK2_skl,u1_struct_0(sK0_skl))
    | ~ m1_group_2(sK1_skl,sK0_skl)
    | ~ v1_group_1(sK1_skl)
    | ~ l1_group_1(sK0_skl)
    | ~ v4_group_1(sK0_skl)
    | ~ v3_group_1(sK0_skl)
    | v3_struct_0(sK0_skl) ),
    inference(resolution,[status(thm)],[f170,f67]) ).

fof(f275,definition,
    ( sQ12_spl
  <=> v4_group_1(sK0_skl) ),
    introduced(definition,[new_symbols(definition,[sQ12_spl])],[split_symbol_definition]) ).

fof(f277,plain,
    ( sQ12_spl
    | ~ v4_group_1(sK0_skl) ),
    inference(component_clause,[status(thm)],[f275]) ).

fof(f278,definition,
    ( sQ13_spl
  <=> v1_group_1(sK1_skl) ),
    introduced(definition,[new_symbols(definition,[sQ13_spl])],[split_symbol_definition]) ).

fof(f280,plain,
    ( sQ13_spl
    | ~ v1_group_1(sK1_skl) ),
    inference(component_clause,[status(thm)],[f278]) ).

fof(f281,definition,
    ( sQ14_spl
  <=> m1_group_2(sK1_skl,sK0_skl) ),
    introduced(definition,[new_symbols(definition,[sQ14_spl])],[split_symbol_definition]) ).

fof(f283,plain,
    ( sQ14_spl
    | ~ m1_group_2(sK1_skl,sK0_skl) ),
    inference(component_clause,[status(thm)],[f281]) ).

fof(f284,definition,
    ( sQ15_spl
  <=> m1_subset_1(sK3_skl,u1_struct_0(sK0_skl)) ),
    introduced(definition,[new_symbols(definition,[sQ15_spl])],[split_symbol_definition]) ).

fof(f286,plain,
    ( sQ15_spl
    | ~ m1_subset_1(sK3_skl,u1_struct_0(sK0_skl)) ),
    inference(component_clause,[status(thm)],[f284]) ).

fof(f287,definition,
    ( sQ16_spl
  <=> r1_rlvect_1(sK1_skl,sK3_skl) ),
    introduced(definition,[new_symbols(definition,[sQ16_spl])],[split_symbol_definition]) ).

fof(f290,plain,
    ( sQ16_spl
    | ~ sQ15_spl
    | ~ sQ14_spl
    | ~ sQ13_spl
    | ~ sQ8_spl
    | ~ sQ12_spl
    | ~ sQ7_spl
    | sQ6_spl ),
    inference(split_clause,[status(thm)],[f273,f234,f237,f275,f240,f278,f281,f284,f287]) ).

fof(f291,definition,
    ( sQ17_spl
  <=> m1_subset_1(sK2_skl,u1_struct_0(sK0_skl)) ),
    introduced(definition,[new_symbols(definition,[sQ17_spl])],[split_symbol_definition]) ).

fof(f293,plain,
    ( sQ17_spl
    | ~ m1_subset_1(sK2_skl,u1_struct_0(sK0_skl)) ),
    inference(component_clause,[status(thm)],[f291]) ).

fof(f294,definition,
    ( sQ18_spl
  <=> r1_rlvect_1(sK1_skl,sK2_skl) ),
    introduced(definition,[new_symbols(definition,[sQ18_spl])],[split_symbol_definition]) ).

fof(f297,plain,
    ( sQ18_spl
    | ~ sQ17_spl
    | ~ sQ14_spl
    | ~ sQ13_spl
    | ~ sQ8_spl
    | ~ sQ12_spl
    | ~ sQ7_spl
    | sQ6_spl ),
    inference(split_clause,[status(thm)],[f274,f234,f237,f275,f240,f278,f281,f291,f294]) ).

fof(f298,plain,
    ( sQ14_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f283,f64]) ).

fof(f299,plain,
    sQ14_spl,
    inference(contradiction_clause,[status(thm)],[f298]) ).

fof(f300,plain,
    ( sQ13_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f280,f63]) ).

fof(f301,plain,
    sQ13_spl,
    inference(contradiction_clause,[status(thm)],[f300]) ).

fof(f302,plain,
    ( sQ12_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f277,f61]) ).

fof(f303,plain,
    sQ12_spl,
    inference(contradiction_clause,[status(thm)],[f302]) ).

fof(f304,plain,
    ( sQ15_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f286,f66]) ).

fof(f305,plain,
    sQ15_spl,
    inference(contradiction_clause,[status(thm)],[f304]) ).

fof(f306,plain,
    ( sQ17_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f293,f65]) ).

fof(f307,plain,
    sQ17_spl,
    inference(contradiction_clause,[status(thm)],[f306]) ).

fof(f308,plain,
    ( ~ r1_rlvect_1(sK1_skl,k1_group_1(sK0_skl,sK2_skl,sK3_skl))
    | ~ m1_subset_1(k1_group_1(sK0_skl,sK2_skl,sK3_skl),u1_struct_0(sK0_skl))
    | ~ m1_group_2(sK1_skl,sK0_skl)
    | ~ v1_group_1(sK1_skl)
    | ~ l1_group_1(sK0_skl)
    | ~ v4_group_1(sK0_skl)
    | ~ v3_group_1(sK0_skl)
    | v3_struct_0(sK0_skl) ),
    inference(resolution,[status(thm)],[f171,f69]) ).

fof(f313,definition,
    ( sQ19_spl
  <=> m1_subset_1(k1_group_1(sK0_skl,sK2_skl,sK3_skl),u1_struct_0(sK0_skl)) ),
    introduced(definition,[new_symbols(definition,[sQ19_spl])],[split_symbol_definition]) ).

fof(f315,plain,
    ( sQ19_spl
    | ~ m1_subset_1(k1_group_1(sK0_skl,sK2_skl,sK3_skl),u1_struct_0(sK0_skl)) ),
    inference(component_clause,[status(thm)],[f313]) ).

fof(f316,definition,
    ( sQ20_spl
  <=> r1_rlvect_1(sK1_skl,k1_group_1(sK0_skl,sK2_skl,sK3_skl)) ),
    introduced(definition,[new_symbols(definition,[sQ20_spl])],[split_symbol_definition]) ).

fof(f318,plain,
    ( sQ20_spl
    | ~ r1_rlvect_1(sK1_skl,k1_group_1(sK0_skl,sK2_skl,sK3_skl)) ),
    inference(component_clause,[status(thm)],[f316]) ).

fof(f319,plain,
    ( ~ sQ20_spl
    | ~ sQ19_spl
    | ~ sQ14_spl
    | ~ sQ13_spl
    | ~ sQ8_spl
    | ~ sQ12_spl
    | ~ sQ7_spl
    | sQ6_spl ),
    inference(split_clause,[status(thm)],[f308,f234,f237,f275,f240,f278,f281,f313,f316]) ).

fof(f391,plain,
    ( sQ19_spl
    | ~ m1_subset_1(sK3_skl,u1_struct_0(sK0_skl))
    | ~ m1_subset_1(sK2_skl,u1_struct_0(sK0_skl))
    | ~ l1_group_1(sK0_skl)
    | v3_struct_0(sK0_skl) ),
    inference(resolution,[status(thm)],[f315,f94]) ).

fof(f392,plain,
    ( sQ19_spl
    | ~ sQ15_spl
    | ~ sQ17_spl
    | ~ sQ8_spl
    | sQ6_spl ),
    inference(split_clause,[status(thm)],[f391,f234,f240,f291,f284,f313]) ).

fof(f394,plain,
    ( sQ20_spl
    | ~ r1_rlvect_1(sK1_skl,sK3_skl)
    | ~ r1_rlvect_1(sK1_skl,sK2_skl)
    | ~ m1_group_2(sK1_skl,sK0_skl)
    | ~ m1_subset_1(sK3_skl,u1_struct_0(sK0_skl))
    | ~ m1_subset_1(sK2_skl,u1_struct_0(sK0_skl))
    | ~ l1_group_1(sK0_skl)
    | ~ v4_group_1(sK0_skl)
    | ~ v3_group_1(sK0_skl)
    | v3_struct_0(sK0_skl) ),
    inference(resolution,[status(thm)],[f318,f184]) ).

fof(f395,plain,
    ( sQ20_spl
    | ~ sQ16_spl
    | ~ sQ18_spl
    | ~ sQ14_spl
    | ~ sQ15_spl
    | ~ sQ17_spl
    | ~ sQ8_spl
    | ~ sQ12_spl
    | ~ sQ7_spl
    | sQ6_spl ),
    inference(split_clause,[status(thm)],[f394,f234,f237,f275,f240,f291,f284,f281,f294,f287,f316]) ).

fof(f396,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f253,f255,f257,f290,f297,f299,f301,f303,f305,f307,f319,f392,f395]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : GRP643+1 : TPTP v9.3.1. Released v3.4.0.
% 0.00/0.05  % Command  : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.17/5.48  % Computer : n006.cluster.edu
% 0.17/5.48  % Model    : x86_64 x86_64
% 0.17/5.48  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.17/5.48  % Memory   : 8046.5625MB
% 0.17/5.48  % OS       : Linux 6.8.0-71-generic
% 0.17/5.48  % CPULimit : 300
% 0.17/5.48  % WCLimit  : 300
% 0.17/5.48  % DateTime : Sun Sep 20 20:25:03 UTC 2026
% 0.17/5.49  % CPUTime  : 
% 0.21/5.50  % Drodi V4.1.1
% 0.21/5.57  % Refutation found
% 0.21/5.57  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.21/5.57  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.21/5.59  % Elapsed time: 0.095262 seconds
% 0.21/5.59  % CPU time: 0.328542 seconds
% 0.21/5.59  % Total memory used: 55.727 MB
% 0.21/5.59  % Net memory used: 55.581 MB
%------------------------------------------------------------------------------