%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SYN341+1 : TPTP v8.1.2. Released v2.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n002.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 12:46:34 EDT 2023

% Result   : Theorem 0.10s 0.31s
% Output   : CNFRefutation 0.10s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    1
% Syntax   : Number of formulae    :    8 (   3 unt;   0 def)
%            Number of atoms       :   13 (   0 equ)
%            Maximal formula atoms :    2 (   1 avg)
%            Number of connectives :   10 (   5   ~;   0   |;   3   &)
%                                         (   0 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-3 aty)
%            Number of functors    :    2 (   2 usr;   0 con; 1-2 aty)
%            Number of variables   :   24 (;  16   !;   8   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,conjecture,
    ? [X1] :
    ! [X2] :
    ? [X3] :
    ! [X4] :
      ( big_f(X1,X2,X3)
     => big_f(X2,X3,X4) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f2,negated_conjecture,
    ~ ? [X1] :
      ! [X2] :
      ? [X3] :
      ! [X4] :
        ( big_f(X1,X2,X3)
       => big_f(X2,X3,X4) ),
    inference(negated_conjecture,[status(cth)],[f1]) ).

fof(f3,plain,
    ! [X1] :
    ? [X2] :
    ! [X3] :
    ? [X4] :
      ( big_f(X1,X2,X3)
      & ~ big_f(X2,X3,X4) ),
    inference(pre_NNF_transformation,[status(esa)],[f2]) ).

fof(f4,plain,
    ! [X1] :
    ? [X2] :
      ( ! [X3] : big_f(X1,X2,X3)
      & ! [X3] :
        ? [X4] : ~ big_f(X2,X3,X4) ),
    inference(miniscoping,[status(esa)],[f3]) ).

fof(f5,plain,
    ! [X1] :
      ( ! [X3] : big_f(X1,sk0_0(X1),X3)
      & ! [X3] : ~ big_f(sk0_0(X1),X3,sk0_1(X3,X1)) ),
    inference(skolemization,[status(esa)],[f4]) ).

fof(f6,plain,
    ! [X0,X1] : big_f(X0,sk0_0(X0),X1),
    inference(cnf_transformation,[status(esa)],[f5]) ).

fof(f7,plain,
    ! [X0,X1] : ~ big_f(sk0_0(X0),X1,sk0_1(X1,X0)),
    inference(cnf_transformation,[status(esa)],[f5]) ).

fof(f8,plain,
    $false,
    inference(resolution,[status(thm)],[f7,f6]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.10  % Problem  : SYN341+1 : TPTP v8.1.2. Released v2.0.0.
% 0.00/0.10  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.10/0.30  % Computer : n002.cluster.edu
% 0.10/0.30  % Model    : x86_64 x86_64
% 0.10/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.30  % Memory   : 8042.1875MB
% 0.10/0.30  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.30  % CPULimit : 300
% 0.10/0.30  % WCLimit  : 300
% 0.10/0.30  % DateTime : Tue May 30 10:41:58 EDT 2023
% 0.10/0.30  % CPUTime  : 
% 0.10/0.30  % Drodi V3.5.1
% 0.10/0.31  % Refutation found
% 0.10/0.31  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.10/0.31  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.14/0.53  % Elapsed time: 0.009449 seconds
% 0.14/0.53  % CPU time: 0.008831 seconds
% 0.14/0.53  % Memory used: 460.357 KB
%------------------------------------------------------------------------------