TSTP Solution File: GRP642+1 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : GRP642+1 : TPTP v8.1.2. Released v3.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n031.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed May 31 12:12:22 EDT 2023

% Result   : Theorem 0.15s 0.32s
% Output   : CNFRefutation 0.16s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   18
% Syntax   : Number of formulae    :   84 (  17 unt;   0 def)
%            Number of atoms       :  311 (  26 equ)
%            Maximal formula atoms :   15 (   3 avg)
%            Number of connectives :  374 ( 147   ~; 156   |;  46   &)
%                                         (  13 <=>;  12  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   16 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :   24 (  22 usr;  12 prp; 0-3 aty)
%            Number of functors    :    9 (   9 usr;   3 con; 0-2 aty)
%            Number of variables   :   49 (;  46   !;   3   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,conjecture,
    ! [A] :
      ( ( ~ v3_struct_0(A)
        & v3_group_1(A)
        & v4_group_1(A)
        & l1_group_1(A) )
     => ! [B] :
          ( ( v1_group_1(B)
            & m1_group_2(B,A) )
         => k1_funct_1(k1_latsubgr(A),B) != k1_xboole_0 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f2,negated_conjecture,
    ~ ! [A] :
        ( ( ~ v3_struct_0(A)
          & v3_group_1(A)
          & v4_group_1(A)
          & l1_group_1(A) )
       => ! [B] :
            ( ( v1_group_1(B)
              & m1_group_2(B,A) )
           => k1_funct_1(k1_latsubgr(A),B) != k1_xboole_0 ) ),
    inference(negated_conjecture,[status(cth)],[f1]) ).

fof(f9,axiom,
    ! [A] :
      ( ( ~ v3_struct_0(A)
        & v3_group_1(A)
        & v4_group_1(A)
        & l1_group_1(A) )
     => ! [B] :
          ( ( v1_funct_1(B)
            & v1_funct_2(B,k1_group_3(A),k1_zfmisc_1(u1_struct_0(A)))
            & m2_relset_1(B,k1_group_3(A),k1_zfmisc_1(u1_struct_0(A))) )
         => ( B = k1_latsubgr(A)
          <=> ! [C] :
                ( ( v1_group_1(C)
                  & m1_group_2(C,A) )
               => k1_funct_1(B,C) = u1_struct_0(C) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f13,axiom,
    ! [A] :
      ( ( ~ v3_struct_0(A)
        & v3_group_1(A)
        & v4_group_1(A)
        & l1_group_1(A) )
     => ( v1_funct_1(k1_latsubgr(A))
        & v1_funct_2(k1_latsubgr(A),k1_group_3(A),k1_zfmisc_1(u1_struct_0(A)))
        & m2_relset_1(k1_latsubgr(A),k1_group_3(A),k1_zfmisc_1(u1_struct_0(A))) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f17,axiom,
    ! [A] :
      ( l1_group_1(A)
     => l1_struct_0(A) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f19,axiom,
    ! [A] :
      ( ( ~ v3_struct_0(A)
        & v3_group_1(A)
        & l1_group_1(A) )
     => ! [B] :
          ( m1_group_2(B,A)
         => ( ~ v3_struct_0(B)
            & v3_group_1(B)
            & l1_group_1(B) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f32,axiom,
    ! [A] :
      ( ( ~ v3_struct_0(A)
        & l1_struct_0(A) )
     => ~ v1_xboole_0(u1_struct_0(A)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f34,axiom,
    v1_xboole_0(k1_xboole_0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f55,plain,
    ? [A] :
      ( ~ v3_struct_0(A)
      & v3_group_1(A)
      & v4_group_1(A)
      & l1_group_1(A)
      & ? [B] :
          ( v1_group_1(B)
          & m1_group_2(B,A)
          & k1_funct_1(k1_latsubgr(A),B) = k1_xboole_0 ) ),
    inference(pre_NNF_transformation,[status(esa)],[f2]) ).

fof(f56,plain,
    ( ~ v3_struct_0(sk0_0)
    & v3_group_1(sk0_0)
    & v4_group_1(sk0_0)
    & l1_group_1(sk0_0)
    & v1_group_1(sk0_1)
    & m1_group_2(sk0_1,sk0_0)
    & k1_funct_1(k1_latsubgr(sk0_0),sk0_1) = k1_xboole_0 ),
    inference(skolemization,[status(esa)],[f55]) ).

fof(f57,plain,
    ~ v3_struct_0(sk0_0),
    inference(cnf_transformation,[status(esa)],[f56]) ).

fof(f58,plain,
    v3_group_1(sk0_0),
    inference(cnf_transformation,[status(esa)],[f56]) ).

fof(f59,plain,
    v4_group_1(sk0_0),
    inference(cnf_transformation,[status(esa)],[f56]) ).

fof(f60,plain,
    l1_group_1(sk0_0),
    inference(cnf_transformation,[status(esa)],[f56]) ).

fof(f61,plain,
    v1_group_1(sk0_1),
    inference(cnf_transformation,[status(esa)],[f56]) ).

fof(f62,plain,
    m1_group_2(sk0_1,sk0_0),
    inference(cnf_transformation,[status(esa)],[f56]) ).

fof(f63,plain,
    k1_funct_1(k1_latsubgr(sk0_0),sk0_1) = k1_xboole_0,
    inference(cnf_transformation,[status(esa)],[f56]) ).

fof(f84,plain,
    ! [A] :
      ( v3_struct_0(A)
      | ~ v3_group_1(A)
      | ~ v4_group_1(A)
      | ~ l1_group_1(A)
      | ! [B] :
          ( ~ v1_funct_1(B)
          | ~ v1_funct_2(B,k1_group_3(A),k1_zfmisc_1(u1_struct_0(A)))
          | ~ m2_relset_1(B,k1_group_3(A),k1_zfmisc_1(u1_struct_0(A)))
          | ( B = k1_latsubgr(A)
          <=> ! [C] :
                ( ~ v1_group_1(C)
                | ~ m1_group_2(C,A)
                | k1_funct_1(B,C) = u1_struct_0(C) ) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f9]) ).

fof(f85,plain,
    ! [A] :
      ( v3_struct_0(A)
      | ~ v3_group_1(A)
      | ~ v4_group_1(A)
      | ~ l1_group_1(A)
      | ! [B] :
          ( ~ v1_funct_1(B)
          | ~ v1_funct_2(B,k1_group_3(A),k1_zfmisc_1(u1_struct_0(A)))
          | ~ m2_relset_1(B,k1_group_3(A),k1_zfmisc_1(u1_struct_0(A)))
          | ( ( B != k1_latsubgr(A)
              | ! [C] :
                  ( ~ v1_group_1(C)
                  | ~ m1_group_2(C,A)
                  | k1_funct_1(B,C) = u1_struct_0(C) ) )
            & ( B = k1_latsubgr(A)
              | ? [C] :
                  ( v1_group_1(C)
                  & m1_group_2(C,A)
                  & k1_funct_1(B,C) != u1_struct_0(C) ) ) ) ) ),
    inference(NNF_transformation,[status(esa)],[f84]) ).

fof(f86,plain,
    ! [A] :
      ( v3_struct_0(A)
      | ~ v3_group_1(A)
      | ~ v4_group_1(A)
      | ~ l1_group_1(A)
      | ! [B] :
          ( ~ v1_funct_1(B)
          | ~ v1_funct_2(B,k1_group_3(A),k1_zfmisc_1(u1_struct_0(A)))
          | ~ m2_relset_1(B,k1_group_3(A),k1_zfmisc_1(u1_struct_0(A)))
          | ( ( B != k1_latsubgr(A)
              | ! [C] :
                  ( ~ v1_group_1(C)
                  | ~ m1_group_2(C,A)
                  | k1_funct_1(B,C) = u1_struct_0(C) ) )
            & ( B = k1_latsubgr(A)
              | ( v1_group_1(sk0_2(B,A))
                & m1_group_2(sk0_2(B,A),A)
                & k1_funct_1(B,sk0_2(B,A)) != u1_struct_0(sk0_2(B,A)) ) ) ) ) ),
    inference(skolemization,[status(esa)],[f85]) ).

fof(f87,plain,
    ! [X0,X1,X2] :
      ( v3_struct_0(X0)
      | ~ v3_group_1(X0)
      | ~ v4_group_1(X0)
      | ~ l1_group_1(X0)
      | ~ v1_funct_1(X1)
      | ~ v1_funct_2(X1,k1_group_3(X0),k1_zfmisc_1(u1_struct_0(X0)))
      | ~ m2_relset_1(X1,k1_group_3(X0),k1_zfmisc_1(u1_struct_0(X0)))
      | X1 != k1_latsubgr(X0)
      | ~ v1_group_1(X2)
      | ~ m1_group_2(X2,X0)
      | k1_funct_1(X1,X2) = u1_struct_0(X2) ),
    inference(cnf_transformation,[status(esa)],[f86]) ).

fof(f94,plain,
    ! [A] :
      ( v3_struct_0(A)
      | ~ v3_group_1(A)
      | ~ v4_group_1(A)
      | ~ l1_group_1(A)
      | ( v1_funct_1(k1_latsubgr(A))
        & v1_funct_2(k1_latsubgr(A),k1_group_3(A),k1_zfmisc_1(u1_struct_0(A)))
        & m2_relset_1(k1_latsubgr(A),k1_group_3(A),k1_zfmisc_1(u1_struct_0(A))) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f13]) ).

fof(f95,plain,
    ! [X0] :
      ( v3_struct_0(X0)
      | ~ v3_group_1(X0)
      | ~ v4_group_1(X0)
      | ~ l1_group_1(X0)
      | v1_funct_1(k1_latsubgr(X0)) ),
    inference(cnf_transformation,[status(esa)],[f94]) ).

fof(f96,plain,
    ! [X0] :
      ( v3_struct_0(X0)
      | ~ v3_group_1(X0)
      | ~ v4_group_1(X0)
      | ~ l1_group_1(X0)
      | v1_funct_2(k1_latsubgr(X0),k1_group_3(X0),k1_zfmisc_1(u1_struct_0(X0))) ),
    inference(cnf_transformation,[status(esa)],[f94]) ).

fof(f97,plain,
    ! [X0] :
      ( v3_struct_0(X0)
      | ~ v3_group_1(X0)
      | ~ v4_group_1(X0)
      | ~ l1_group_1(X0)
      | m2_relset_1(k1_latsubgr(X0),k1_group_3(X0),k1_zfmisc_1(u1_struct_0(X0))) ),
    inference(cnf_transformation,[status(esa)],[f94]) ).

fof(f98,plain,
    ! [A] :
      ( ~ l1_group_1(A)
      | l1_struct_0(A) ),
    inference(pre_NNF_transformation,[status(esa)],[f17]) ).

fof(f99,plain,
    ! [X0] :
      ( ~ l1_group_1(X0)
      | l1_struct_0(X0) ),
    inference(cnf_transformation,[status(esa)],[f98]) ).

fof(f100,plain,
    ! [A] :
      ( v3_struct_0(A)
      | ~ v3_group_1(A)
      | ~ l1_group_1(A)
      | ! [B] :
          ( ~ m1_group_2(B,A)
          | ( ~ v3_struct_0(B)
            & v3_group_1(B)
            & l1_group_1(B) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f19]) ).

fof(f101,plain,
    ! [X0,X1] :
      ( v3_struct_0(X0)
      | ~ v3_group_1(X0)
      | ~ l1_group_1(X0)
      | ~ m1_group_2(X1,X0)
      | ~ v3_struct_0(X1) ),
    inference(cnf_transformation,[status(esa)],[f100]) ).

fof(f103,plain,
    ! [X0,X1] :
      ( v3_struct_0(X0)
      | ~ v3_group_1(X0)
      | ~ l1_group_1(X0)
      | ~ m1_group_2(X1,X0)
      | l1_group_1(X1) ),
    inference(cnf_transformation,[status(esa)],[f100]) ).

fof(f125,plain,
    ! [A] :
      ( v3_struct_0(A)
      | ~ l1_struct_0(A)
      | ~ v1_xboole_0(u1_struct_0(A)) ),
    inference(pre_NNF_transformation,[status(esa)],[f32]) ).

fof(f126,plain,
    ! [X0] :
      ( v3_struct_0(X0)
      | ~ l1_struct_0(X0)
      | ~ v1_xboole_0(u1_struct_0(X0)) ),
    inference(cnf_transformation,[status(esa)],[f125]) ).

fof(f128,plain,
    v1_xboole_0(k1_xboole_0),
    inference(cnf_transformation,[status(esa)],[f34]) ).

fof(f189,plain,
    ! [X0,X1] :
      ( v3_struct_0(X0)
      | ~ v3_group_1(X0)
      | ~ v4_group_1(X0)
      | ~ l1_group_1(X0)
      | ~ v1_funct_1(k1_latsubgr(X0))
      | ~ v1_funct_2(k1_latsubgr(X0),k1_group_3(X0),k1_zfmisc_1(u1_struct_0(X0)))
      | ~ m2_relset_1(k1_latsubgr(X0),k1_group_3(X0),k1_zfmisc_1(u1_struct_0(X0)))
      | ~ v1_group_1(X1)
      | ~ m1_group_2(X1,X0)
      | k1_funct_1(k1_latsubgr(X0),X1) = u1_struct_0(X1) ),
    inference(destructive_equality_resolution,[status(esa)],[f87]) ).

fof(f190,plain,
    ( spl0_0
  <=> v3_struct_0(sk0_0) ),
    introduced(split_symbol_definition) ).

fof(f191,plain,
    ( v3_struct_0(sk0_0)
    | ~ spl0_0 ),
    inference(component_clause,[status(thm)],[f190]) ).

fof(f193,plain,
    ( spl0_1
  <=> v3_group_1(sk0_0) ),
    introduced(split_symbol_definition) ).

fof(f195,plain,
    ( ~ v3_group_1(sk0_0)
    | spl0_1 ),
    inference(component_clause,[status(thm)],[f193]) ).

fof(f196,plain,
    ( spl0_2
  <=> l1_group_1(sk0_0) ),
    introduced(split_symbol_definition) ).

fof(f198,plain,
    ( ~ l1_group_1(sk0_0)
    | spl0_2 ),
    inference(component_clause,[status(thm)],[f196]) ).

fof(f199,plain,
    ( spl0_3
  <=> v3_struct_0(sk0_1) ),
    introduced(split_symbol_definition) ).

fof(f202,plain,
    ( v3_struct_0(sk0_0)
    | ~ v3_group_1(sk0_0)
    | ~ l1_group_1(sk0_0)
    | ~ v3_struct_0(sk0_1) ),
    inference(resolution,[status(thm)],[f101,f62]) ).

fof(f203,plain,
    ( spl0_0
    | ~ spl0_1
    | ~ spl0_2
    | ~ spl0_3 ),
    inference(split_clause,[status(thm)],[f202,f190,f193,f196,f199]) ).

fof(f209,plain,
    ( $false
    | spl0_2 ),
    inference(forward_subsumption_resolution,[status(thm)],[f198,f60]) ).

fof(f210,plain,
    spl0_2,
    inference(contradiction_clause,[status(thm)],[f209]) ).

fof(f211,plain,
    ( $false
    | spl0_1 ),
    inference(forward_subsumption_resolution,[status(thm)],[f195,f58]) ).

fof(f212,plain,
    spl0_1,
    inference(contradiction_clause,[status(thm)],[f211]) ).

fof(f213,plain,
    ( $false
    | ~ spl0_0 ),
    inference(forward_subsumption_resolution,[status(thm)],[f191,f57]) ).

fof(f214,plain,
    ~ spl0_0,
    inference(contradiction_clause,[status(thm)],[f213]) ).

fof(f215,plain,
    ( spl0_5
  <=> l1_group_1(sk0_1) ),
    introduced(split_symbol_definition) ).

fof(f216,plain,
    ( l1_group_1(sk0_1)
    | ~ spl0_5 ),
    inference(component_clause,[status(thm)],[f215]) ).

fof(f218,plain,
    ( v3_struct_0(sk0_0)
    | ~ v3_group_1(sk0_0)
    | ~ l1_group_1(sk0_0)
    | l1_group_1(sk0_1) ),
    inference(resolution,[status(thm)],[f103,f62]) ).

fof(f219,plain,
    ( spl0_0
    | ~ spl0_1
    | ~ spl0_2
    | spl0_5 ),
    inference(split_clause,[status(thm)],[f218,f190,f193,f196,f215]) ).

fof(f220,plain,
    ! [X0,X1] :
      ( v3_struct_0(X0)
      | ~ v3_group_1(X0)
      | ~ v4_group_1(X0)
      | ~ l1_group_1(X0)
      | ~ v1_funct_2(k1_latsubgr(X0),k1_group_3(X0),k1_zfmisc_1(u1_struct_0(X0)))
      | ~ m2_relset_1(k1_latsubgr(X0),k1_group_3(X0),k1_zfmisc_1(u1_struct_0(X0)))
      | ~ v1_group_1(X1)
      | ~ m1_group_2(X1,X0)
      | k1_funct_1(k1_latsubgr(X0),X1) = u1_struct_0(X1) ),
    inference(forward_subsumption_resolution,[status(thm)],[f189,f95]) ).

fof(f227,plain,
    ( l1_struct_0(sk0_1)
    | ~ spl0_5 ),
    inference(resolution,[status(thm)],[f216,f99]) ).

fof(f228,plain,
    ! [X0,X1] :
      ( v3_struct_0(X0)
      | ~ v3_group_1(X0)
      | ~ v4_group_1(X0)
      | ~ l1_group_1(X0)
      | ~ v1_funct_2(k1_latsubgr(X0),k1_group_3(X0),k1_zfmisc_1(u1_struct_0(X0)))
      | ~ v1_group_1(X1)
      | ~ m1_group_2(X1,X0)
      | k1_funct_1(k1_latsubgr(X0),X1) = u1_struct_0(X1) ),
    inference(backward_subsumption_resolution,[status(thm)],[f220,f97]) ).

fof(f229,plain,
    ! [X0,X1] :
      ( v3_struct_0(X0)
      | ~ v3_group_1(X0)
      | ~ v4_group_1(X0)
      | ~ l1_group_1(X0)
      | ~ v1_group_1(X1)
      | ~ m1_group_2(X1,X0)
      | k1_funct_1(k1_latsubgr(X0),X1) = u1_struct_0(X1) ),
    inference(forward_subsumption_resolution,[status(thm)],[f228,f96]) ).

fof(f232,plain,
    ( spl0_6
  <=> v4_group_1(sk0_0) ),
    introduced(split_symbol_definition) ).

fof(f234,plain,
    ( ~ v4_group_1(sk0_0)
    | spl0_6 ),
    inference(component_clause,[status(thm)],[f232]) ).

fof(f235,plain,
    ( spl0_7
  <=> v1_group_1(sk0_1) ),
    introduced(split_symbol_definition) ).

fof(f237,plain,
    ( ~ v1_group_1(sk0_1)
    | spl0_7 ),
    inference(component_clause,[status(thm)],[f235]) ).

fof(f238,plain,
    ( spl0_8
  <=> m1_group_2(sk0_1,sk0_0) ),
    introduced(split_symbol_definition) ).

fof(f240,plain,
    ( ~ m1_group_2(sk0_1,sk0_0)
    | spl0_8 ),
    inference(component_clause,[status(thm)],[f238]) ).

fof(f241,plain,
    ( spl0_9
  <=> k1_xboole_0 = u1_struct_0(sk0_1) ),
    introduced(split_symbol_definition) ).

fof(f242,plain,
    ( k1_xboole_0 = u1_struct_0(sk0_1)
    | ~ spl0_9 ),
    inference(component_clause,[status(thm)],[f241]) ).

fof(f244,plain,
    ( v3_struct_0(sk0_0)
    | ~ v3_group_1(sk0_0)
    | ~ v4_group_1(sk0_0)
    | ~ l1_group_1(sk0_0)
    | ~ v1_group_1(sk0_1)
    | ~ m1_group_2(sk0_1,sk0_0)
    | k1_xboole_0 = u1_struct_0(sk0_1) ),
    inference(paramodulation,[status(thm)],[f63,f229]) ).

fof(f245,plain,
    ( spl0_0
    | ~ spl0_1
    | ~ spl0_6
    | ~ spl0_2
    | ~ spl0_7
    | ~ spl0_8
    | spl0_9 ),
    inference(split_clause,[status(thm)],[f244,f190,f193,f232,f196,f235,f238,f241]) ).

fof(f246,plain,
    ( $false
    | spl0_8 ),
    inference(forward_subsumption_resolution,[status(thm)],[f240,f62]) ).

fof(f247,plain,
    spl0_8,
    inference(contradiction_clause,[status(thm)],[f246]) ).

fof(f248,plain,
    ( $false
    | spl0_7 ),
    inference(forward_subsumption_resolution,[status(thm)],[f237,f61]) ).

fof(f249,plain,
    spl0_7,
    inference(contradiction_clause,[status(thm)],[f248]) ).

fof(f250,plain,
    ( $false
    | spl0_6 ),
    inference(forward_subsumption_resolution,[status(thm)],[f234,f59]) ).

fof(f251,plain,
    spl0_6,
    inference(contradiction_clause,[status(thm)],[f250]) ).

fof(f336,plain,
    ( spl0_20
  <=> l1_struct_0(sk0_1) ),
    introduced(split_symbol_definition) ).

fof(f338,plain,
    ( ~ l1_struct_0(sk0_1)
    | spl0_20 ),
    inference(component_clause,[status(thm)],[f336]) ).

fof(f339,plain,
    ( spl0_21
  <=> v1_xboole_0(k1_xboole_0) ),
    introduced(split_symbol_definition) ).

fof(f341,plain,
    ( ~ v1_xboole_0(k1_xboole_0)
    | spl0_21 ),
    inference(component_clause,[status(thm)],[f339]) ).

fof(f342,plain,
    ( v3_struct_0(sk0_1)
    | ~ l1_struct_0(sk0_1)
    | ~ v1_xboole_0(k1_xboole_0)
    | ~ spl0_9 ),
    inference(paramodulation,[status(thm)],[f242,f126]) ).

fof(f343,plain,
    ( spl0_3
    | ~ spl0_20
    | ~ spl0_21
    | ~ spl0_9 ),
    inference(split_clause,[status(thm)],[f342,f199,f336,f339,f241]) ).

fof(f344,plain,
    ( $false
    | ~ spl0_5
    | spl0_20 ),
    inference(forward_subsumption_resolution,[status(thm)],[f338,f227]) ).

fof(f345,plain,
    ( ~ spl0_5
    | spl0_20 ),
    inference(contradiction_clause,[status(thm)],[f344]) ).

fof(f346,plain,
    ( $false
    | spl0_21 ),
    inference(forward_subsumption_resolution,[status(thm)],[f341,f128]) ).

fof(f347,plain,
    spl0_21,
    inference(contradiction_clause,[status(thm)],[f346]) ).

fof(f348,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f203,f210,f212,f214,f219,f245,f247,f249,f251,f343,f345,f347]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.10  % Problem  : GRP642+1 : TPTP v8.1.2. Released v3.4.0.
% 0.02/0.10  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.09/0.30  % Computer : n031.cluster.edu
% 0.09/0.30  % Model    : x86_64 x86_64
% 0.09/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.30  % Memory   : 8042.1875MB
% 0.09/0.30  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.30  % CPULimit : 300
% 0.09/0.30  % WCLimit  : 300
% 0.09/0.30  % DateTime : Tue May 30 11:52:37 EDT 2023
% 0.09/0.31  % CPUTime  : 
% 0.15/0.31  % Drodi V3.5.1
% 0.15/0.32  % Refutation found
% 0.15/0.32  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.15/0.32  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.16/0.57  % Elapsed time: 0.037933 seconds
% 0.16/0.57  % CPU time: 0.018382 seconds
% 0.16/0.57  % Memory used: 3.921 MB
%------------------------------------------------------------------------------