TSTP Solution File: SYN986+1.001 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : SYN986+1.001 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %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  : 600s
% DateTime : Thu Jul 21 09:12:39 EDT 2022

% Result   : Theorem 0.12s 0.34s
% Output   : CNFRefutation 0.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   26 (  11 unt;   0 def)
%            Number of atoms       :   46 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   42 (  22   ~;  15   |;   3   &)
%                                         (   0 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   3 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-3 aty)
%            Number of functors    :    2 (   2 usr;   1 con; 0-1 aty)
%            Number of variables   :   42 (   1 sgn  21   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(hyp1,axiom,
    ! [Y] : r(Y,zero,succ(Y)) ).

fof(hyp2,axiom,
    ! [Y,X,Z,Z1] :
      ( r(Y,X,Z)
     => ( r(Z,X,Z1)
       => r(Y,succ(X),Z1) ) ) ).

fof(ck,conjecture,
    ? [Z1,Z0] :
      ( r(zero,zero,Z1)
      & r(zero,Z1,Z0) ) ).

fof(subgoal_0,plain,
    ? [Z1,Z0] :
      ( r(zero,zero,Z1)
      & r(zero,Z1,Z0) ),
    inference(strip,[],[ck]) ).

fof(negate_0_0,plain,
    ~ ? [Z1,Z0] :
        ( r(zero,zero,Z1)
        & r(zero,Z1,Z0) ),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ! [Z1] :
      ( ~ r(zero,zero,Z1)
      | ! [Z0] : ~ r(zero,Z1,Z0) ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_1,plain,
    ! [Z1] :
      ( ~ r(zero,zero,Z1)
      | ! [Z0] : ~ r(zero,Z1,Z0) ),
    inference(specialize,[],[normalize_0_0]) ).

fof(normalize_0_2,plain,
    ! [Z0,Z1] :
      ( ~ r(zero,Z1,Z0)
      | ~ r(zero,zero,Z1) ),
    inference(clausify,[],[normalize_0_1]) ).

fof(normalize_0_3,plain,
    ! [Y] : r(Y,zero,succ(Y)),
    inference(canonicalize,[],[hyp1]) ).

fof(normalize_0_4,plain,
    ! [Y] : r(Y,zero,succ(Y)),
    inference(specialize,[],[normalize_0_3]) ).

fof(normalize_0_5,plain,
    ! [X,Y,Z,Z1] :
      ( ~ r(Y,X,Z)
      | ~ r(Z,X,Z1)
      | r(Y,succ(X),Z1) ),
    inference(canonicalize,[],[hyp2]) ).

fof(normalize_0_6,plain,
    ! [X,Y,Z,Z1] :
      ( ~ r(Y,X,Z)
      | ~ r(Z,X,Z1)
      | r(Y,succ(X),Z1) ),
    inference(specialize,[],[normalize_0_5]) ).

cnf(refute_0_0,plain,
    ( ~ r(zero,Z1,Z0)
    | ~ r(zero,zero,Z1) ),
    inference(canonicalize,[],[normalize_0_2]) ).

cnf(refute_0_1,plain,
    ( ~ r(zero,succ(zero),succ(succ(zero)))
    | ~ r(zero,zero,succ(zero)) ),
    inference(subst,[],[refute_0_0:[bind(Z0,$fot(succ(succ(zero)))),bind(Z1,$fot(succ(zero)))]]) ).

cnf(refute_0_2,plain,
    r(Y,zero,succ(Y)),
    inference(canonicalize,[],[normalize_0_4]) ).

cnf(refute_0_3,plain,
    r(succ(X_9),zero,succ(succ(X_9))),
    inference(subst,[],[refute_0_2:[bind(Y,$fot(succ(X_9)))]]) ).

cnf(refute_0_4,plain,
    r(X_6,zero,succ(X_6)),
    inference(subst,[],[refute_0_2:[bind(Y,$fot(X_6))]]) ).

cnf(refute_0_5,plain,
    ( ~ r(Y,X,Z)
    | ~ r(Z,X,Z1)
    | r(Y,succ(X),Z1) ),
    inference(canonicalize,[],[normalize_0_6]) ).

cnf(refute_0_6,plain,
    ( ~ r(X_6,zero,succ(X_6))
    | ~ r(succ(X_6),zero,X_8)
    | r(X_6,succ(zero),X_8) ),
    inference(subst,[],[refute_0_5:[bind(X,$fot(zero)),bind(Y,$fot(X_6)),bind(Z,$fot(succ(X_6))),bind(Z1,$fot(X_8))]]) ).

cnf(refute_0_7,plain,
    ( ~ r(succ(X_6),zero,X_8)
    | r(X_6,succ(zero),X_8) ),
    inference(resolve,[$cnf( r(X_6,zero,succ(X_6)) )],[refute_0_4,refute_0_6]) ).

cnf(refute_0_8,plain,
    ( ~ r(succ(X_9),zero,succ(succ(X_9)))
    | r(X_9,succ(zero),succ(succ(X_9))) ),
    inference(subst,[],[refute_0_7:[bind(X_6,$fot(X_9)),bind(X_8,$fot(succ(succ(X_9))))]]) ).

cnf(refute_0_9,plain,
    r(X_9,succ(zero),succ(succ(X_9))),
    inference(resolve,[$cnf( r(succ(X_9),zero,succ(succ(X_9))) )],[refute_0_3,refute_0_8]) ).

cnf(refute_0_10,plain,
    r(zero,succ(zero),succ(succ(zero))),
    inference(subst,[],[refute_0_9:[bind(X_9,$fot(zero))]]) ).

cnf(refute_0_11,plain,
    ~ r(zero,zero,succ(zero)),
    inference(resolve,[$cnf( r(zero,succ(zero),succ(succ(zero))) )],[refute_0_10,refute_0_1]) ).

cnf(refute_0_12,plain,
    r(zero,zero,succ(zero)),
    inference(subst,[],[refute_0_2:[bind(Y,$fot(zero))]]) ).

cnf(refute_0_13,plain,
    $false,
    inference(resolve,[$cnf( r(zero,zero,succ(zero)) )],[refute_0_12,refute_0_11]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : SYN986+1.001 : TPTP v8.1.0. Released v4.0.0.
% 0.06/0.12  % Command  : metis --show proof --show saturation %s
% 0.12/0.33  % Computer : n025.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Mon Jul 11 23:29:47 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.33  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.12/0.34  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.12/0.34  
% 0.12/0.34  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.12/0.34  
%------------------------------------------------------------------------------