%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SYN958+1 : TPTP v8.1.2. Released v3.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n025.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 12:48:29 EDT 2023

% Result   : Theorem 0.09s 0.31s
% Output   : CNFRefutation 0.09s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    1
% Syntax   : Number of formulae    :    9 (   4 unt;   0 def)
%            Number of atoms       :   22 (   0 equ)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :   21 (   8   ~;   3   |;   8   &)
%                                         (   0 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   4 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-1 aty)
%            Number of functors    :    1 (   1 usr;   1 con; 0-0 aty)
%            Number of variables   :   14 (;   9   !;   5   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,conjecture,
    ( ( ? [X] : a(X)
      & ! [X] : b(X) )
   => ? [X] :
        ( a(X)
        & b(X) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f2,negated_conjecture,
    ~ ( ( ? [X] : a(X)
        & ! [X] : b(X) )
     => ? [X] :
          ( a(X)
          & b(X) ) ),
    inference(negated_conjecture,[status(cth)],[f1]) ).

fof(f3,plain,
    ( ? [X] : a(X)
    & ! [X] : b(X)
    & ! [X] :
        ( ~ a(X)
        | ~ b(X) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f2]) ).

fof(f4,plain,
    ( a(sk0_0)
    & ! [X] : b(X)
    & ! [X] :
        ( ~ a(X)
        | ~ b(X) ) ),
    inference(skolemization,[status(esa)],[f3]) ).

fof(f5,plain,
    a(sk0_0),
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f6,plain,
    ! [X0] : b(X0),
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f7,plain,
    ! [X0] :
      ( ~ a(X0)
      | ~ b(X0) ),
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f8,plain,
    ! [X0] : ~ a(X0),
    inference(forward_subsumption_resolution,[status(thm)],[f7,f6]) ).

fof(f9,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[f5,f8]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.09  % Problem  : SYN958+1 : TPTP v8.1.2. Released v3.1.0.
% 0.05/0.10  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.09/0.30  % Computer : n025.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 10:35:27 EDT 2023
% 0.09/0.30  % CPUTime  : 
% 0.09/0.30  % Drodi V3.5.1
% 0.09/0.31  % Refutation found
% 0.09/0.31  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.09/0.31  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.15/0.32  % Elapsed time: 0.015215 seconds
% 0.15/0.32  % CPU time: 0.019020 seconds
% 0.15/0.32  % Memory used: 6.100 MB
%------------------------------------------------------------------------------