TSTP Solution File: SYN965+1 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : SYN965+1 : TPTP v8.1.0. Released v3.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n019.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  : 600s
% DateTime : Thu Jul 21 09:12:29 EDT 2022

% Result   : Theorem 0.20s 0.35s
% Output   : CNFRefutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    1
% Syntax   : Number of formulae    :   23 (   7 unt;   0 def)
%            Number of atoms       :   68 (   0 equ)
%            Maximal formula atoms :   10 (   2 avg)
%            Number of connectives :   67 (  22   ~;  17   |;  22   &)
%                                         (   0 <=>;   6  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    1 (   1 usr;   0 con; 1-1 aty)
%            Number of variables   :   55 (   7 sgn  26   !;  11   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(prove_this,conjecture,
    ? [Z] :
    ! [X] :
    ? [Y] :
      ( ( p(Y,X)
       => ? [W] : p(W,Y) )
      & ( ( p(Z,Y)
          & p(Y,Z) )
       => p(Y,X) ) ) ).

fof(subgoal_0,plain,
    ? [Z] :
    ! [X] :
    ? [Y] :
      ( ( p(Y,X)
       => ? [W] : p(W,Y) )
      & ( ( p(Z,Y)
          & p(Y,Z) )
       => p(Y,X) ) ),
    inference(strip,[],[prove_this]) ).

fof(negate_0_0,plain,
    ~ ? [Z] :
      ! [X] :
      ? [Y] :
        ( ( p(Y,X)
         => ? [W] : p(W,Y) )
        & ( ( p(Z,Y)
            & p(Y,Z) )
         => p(Y,X) ) ),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ! [Z] :
    ? [X] :
    ! [Y] :
      ( ( p(Y,X)
        & ! [W] : ~ p(W,Y) )
      | ( ~ p(Y,X)
        & p(Y,Z)
        & p(Z,Y) ) ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_1,plain,
    ! [Z] :
    ? [X] :
    ! [Y] :
      ( ( p(Y,X)
        & ! [W] : ~ p(W,Y) )
      | ( ~ p(Y,X)
        & p(Y,Z)
        & p(Z,Y) ) ),
    inference(specialize,[],[normalize_0_0]) ).

fof(normalize_0_2,plain,
    ! [Z,Y] :
      ( ( p(Y,skolemFOFtoCNF_X(Z))
        & ! [W] : ~ p(W,Y) )
      | ( ~ p(Y,skolemFOFtoCNF_X(Z))
        & p(Y,Z)
        & p(Z,Y) ) ),
    inference(skolemize,[],[normalize_0_1]) ).

fof(normalize_0_3,plain,
    ! [Y,Z] :
      ( ( p(Y,skolemFOFtoCNF_X(Z))
        & ! [W] : ~ p(W,Y) )
      | ( ~ p(Y,skolemFOFtoCNF_X(Z))
        & p(Y,Z)
        & p(Z,Y) ) ),
    inference(specialize,[],[normalize_0_2]) ).

fof(normalize_0_4,plain,
    ! [W,Y,Z] :
      ( ( ~ p(W,Y)
        | ~ p(Y,skolemFOFtoCNF_X(Z)) )
      & ( ~ p(W,Y)
        | p(Y,Z) )
      & ( ~ p(W,Y)
        | p(Z,Y) )
      & ( p(Y,Z)
        | p(Y,skolemFOFtoCNF_X(Z)) )
      & ( p(Y,skolemFOFtoCNF_X(Z))
        | p(Z,Y) ) ),
    inference(clausify,[],[normalize_0_3]) ).

fof(normalize_0_5,plain,
    ! [W,Y,Z] :
      ( ~ p(W,Y)
      | ~ p(Y,skolemFOFtoCNF_X(Z)) ),
    inference(conjunct,[],[normalize_0_4]) ).

fof(normalize_0_6,plain,
    ! [Y,Z] :
      ( p(Y,Z)
      | p(Y,skolemFOFtoCNF_X(Z)) ),
    inference(conjunct,[],[normalize_0_4]) ).

fof(normalize_0_7,plain,
    ! [W,Y,Z] :
      ( ~ p(W,Y)
      | p(Y,Z) ),
    inference(conjunct,[],[normalize_0_4]) ).

cnf(refute_0_0,plain,
    ( ~ p(W,Y)
    | ~ p(Y,skolemFOFtoCNF_X(Z)) ),
    inference(canonicalize,[],[normalize_0_5]) ).

cnf(refute_0_1,plain,
    ~ p(skolemFOFtoCNF_X(Z),skolemFOFtoCNF_X(Z)),
    inference(subst,[],[refute_0_0:[bind(W,$fot(skolemFOFtoCNF_X(Z))),bind(Y,$fot(skolemFOFtoCNF_X(Z)))]]) ).

cnf(refute_0_2,plain,
    ~ p(skolemFOFtoCNF_X(X_2),skolemFOFtoCNF_X(X_2)),
    inference(subst,[],[refute_0_0:[bind(W,$fot(skolemFOFtoCNF_X(X_2))),bind(Y,$fot(skolemFOFtoCNF_X(X_2))),bind(Z,$fot(X_2))]]) ).

cnf(refute_0_3,plain,
    ( p(Y,Z)
    | p(Y,skolemFOFtoCNF_X(Z)) ),
    inference(canonicalize,[],[normalize_0_6]) ).

cnf(refute_0_4,plain,
    ( p(skolemFOFtoCNF_X(X_2),X_2)
    | p(skolemFOFtoCNF_X(X_2),skolemFOFtoCNF_X(X_2)) ),
    inference(subst,[],[refute_0_3:[bind(Y,$fot(skolemFOFtoCNF_X(X_2))),bind(Z,$fot(X_2))]]) ).

cnf(refute_0_5,plain,
    p(skolemFOFtoCNF_X(X_2),X_2),
    inference(resolve,[$cnf( p(skolemFOFtoCNF_X(X_2),skolemFOFtoCNF_X(X_2)) )],[refute_0_4,refute_0_2]) ).

cnf(refute_0_6,plain,
    p(skolemFOFtoCNF_X(X_5),X_5),
    inference(subst,[],[refute_0_5:[bind(X_2,$fot(X_5))]]) ).

cnf(refute_0_7,plain,
    ( ~ p(W,Y)
    | p(Y,Z) ),
    inference(canonicalize,[],[normalize_0_7]) ).

cnf(refute_0_8,plain,
    ( ~ p(skolemFOFtoCNF_X(X_5),X_5)
    | p(X_5,X_6) ),
    inference(subst,[],[refute_0_7:[bind(W,$fot(skolemFOFtoCNF_X(X_5))),bind(Y,$fot(X_5)),bind(Z,$fot(X_6))]]) ).

cnf(refute_0_9,plain,
    p(X_5,X_6),
    inference(resolve,[$cnf( p(skolemFOFtoCNF_X(X_5),X_5) )],[refute_0_6,refute_0_8]) ).

cnf(refute_0_10,plain,
    p(skolemFOFtoCNF_X(Z),skolemFOFtoCNF_X(Z)),
    inference(subst,[],[refute_0_9:[bind(X_5,$fot(skolemFOFtoCNF_X(Z))),bind(X_6,$fot(skolemFOFtoCNF_X(Z)))]]) ).

cnf(refute_0_11,plain,
    $false,
    inference(resolve,[$cnf( p(skolemFOFtoCNF_X(Z),skolemFOFtoCNF_X(Z)) )],[refute_0_10,refute_0_1]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : SYN965+1 : TPTP v8.1.0. Released v3.1.0.
% 0.13/0.13  % Command  : metis --show proof --show saturation %s
% 0.13/0.34  % Computer : n019.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Mon Jul 11 18:26:23 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.20/0.35  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.20/0.35  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.20/0.35  
% 0.20/0.35  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.20/0.35  
%------------------------------------------------------------------------------