TSTP Solution File: COM129+1 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : COM129+1 : TPTP v8.1.0. Released v6.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n026.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 : Fri Jul 15 01:32:54 EDT 2022

% Result   : Theorem 0.40s 0.56s
% Output   : CNFRefutation 0.40s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   48 (  17 unt;   0 def)
%            Number of atoms       :  124 (  51 equ)
%            Maximal formula atoms :   13 (   2 avg)
%            Number of connectives :  144 (  68   ~;  59   |;  10   &)
%                                         (   0 <=>;   7  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   4 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    4 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :  100 (  10 sgn  48   !;   4   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(isFreeVar2,axiom,
    ! [VVar0,VExp0,Ve1,Vv,Ve2] :
      ( ( VVar0 = Vv
        & VExp0 = vapp(Ve1,Ve2) )
     => ( ( ( visFreeVar(Vv,Ve1)
            | visFreeVar(Vv,Ve2) )
         => visFreeVar(VVar0,VExp0) )
        & ( visFreeVar(VVar0,VExp0)
         => ( visFreeVar(Vv,Ve1)
            | visFreeVar(Vv,Ve2) ) ) ) ) ).

fof('gensym-is-fresh',axiom,
    ! [Vv,Ve] :
      ( vgensym(Ve) = Vv
     => ~ visFreeVar(Vv,Ve) ) ).

fof('fresh-free-2',conjecture,
    ! [Ve,Vx,Vfresh,Ve1] :
      ( Vfresh = vgensym(vapp(vapp(Ve,Ve1),vvar(Vx)))
     => ~ visFreeVar(Vfresh,Ve1) ) ).

fof(subgoal_0,plain,
    ! [Ve,Vx,Vfresh,Ve1] :
      ( Vfresh = vgensym(vapp(vapp(Ve,Ve1),vvar(Vx)))
     => ~ visFreeVar(Vfresh,Ve1) ),
    inference(strip,[],['fresh-free-2']) ).

fof(negate_0_0,plain,
    ~ ! [Ve,Vx,Vfresh,Ve1] :
        ( Vfresh = vgensym(vapp(vapp(Ve,Ve1),vvar(Vx)))
       => ~ visFreeVar(Vfresh,Ve1) ),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ! [Ve,Vv] :
      ( vgensym(Ve) != Vv
      | ~ visFreeVar(Vv,Ve) ),
    inference(canonicalize,[],['gensym-is-fresh']) ).

fof(normalize_0_1,plain,
    ! [Ve,Vv] :
      ( vgensym(Ve) != Vv
      | ~ visFreeVar(Vv,Ve) ),
    inference(specialize,[],[normalize_0_0]) ).

fof(normalize_0_2,plain,
    ? [Ve,Ve1,Vfresh,Vx] :
      ( Vfresh = vgensym(vapp(vapp(Ve,Ve1),vvar(Vx)))
      & visFreeVar(Vfresh,Ve1) ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_3,plain,
    ( skolemFOFtoCNF_Vfresh_1 = vgensym(vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16)))
    & visFreeVar(skolemFOFtoCNF_Vfresh_1,skolemFOFtoCNF_Ve1_10) ),
    inference(skolemize,[],[normalize_0_2]) ).

fof(normalize_0_4,plain,
    skolemFOFtoCNF_Vfresh_1 = vgensym(vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16))),
    inference(conjunct,[],[normalize_0_3]) ).

fof(normalize_0_5,plain,
    ! [VExp0,VVar0,Ve1,Ve2,Vv] :
      ( VExp0 != vapp(Ve1,Ve2)
      | VVar0 != Vv
      | ( ( visFreeVar(VVar0,VExp0)
          | ( ~ visFreeVar(Vv,Ve1)
            & ~ visFreeVar(Vv,Ve2) ) )
        & ( ~ visFreeVar(VVar0,VExp0)
          | visFreeVar(Vv,Ve1)
          | visFreeVar(Vv,Ve2) ) ) ),
    inference(canonicalize,[],[isFreeVar2]) ).

fof(normalize_0_6,plain,
    ! [VExp0,VVar0,Ve1,Ve2,Vv] :
      ( VExp0 != vapp(Ve1,Ve2)
      | VVar0 != Vv
      | ( ( visFreeVar(VVar0,VExp0)
          | ( ~ visFreeVar(Vv,Ve1)
            & ~ visFreeVar(Vv,Ve2) ) )
        & ( ~ visFreeVar(VVar0,VExp0)
          | visFreeVar(Vv,Ve1)
          | visFreeVar(Vv,Ve2) ) ) ),
    inference(specialize,[],[normalize_0_5]) ).

fof(normalize_0_7,plain,
    ! [VExp0,VVar0,Ve1,Ve2,Vv] :
      ( ( VExp0 != vapp(Ve1,Ve2)
        | VVar0 != Vv
        | ~ visFreeVar(Vv,Ve1)
        | visFreeVar(VVar0,VExp0) )
      & ( VExp0 != vapp(Ve1,Ve2)
        | VVar0 != Vv
        | ~ visFreeVar(Vv,Ve2)
        | visFreeVar(VVar0,VExp0) )
      & ( VExp0 != vapp(Ve1,Ve2)
        | VVar0 != Vv
        | ~ visFreeVar(VVar0,VExp0)
        | visFreeVar(Vv,Ve1)
        | visFreeVar(Vv,Ve2) ) ),
    inference(clausify,[],[normalize_0_6]) ).

fof(normalize_0_8,plain,
    ! [VExp0,VVar0,Ve1,Ve2,Vv] :
      ( VExp0 != vapp(Ve1,Ve2)
      | VVar0 != Vv
      | ~ visFreeVar(Vv,Ve1)
      | visFreeVar(VVar0,VExp0) ),
    inference(conjunct,[],[normalize_0_7]) ).

fof(normalize_0_9,plain,
    visFreeVar(skolemFOFtoCNF_Vfresh_1,skolemFOFtoCNF_Ve1_10),
    inference(conjunct,[],[normalize_0_3]) ).

fof(normalize_0_10,plain,
    ! [VExp0,VVar0,Ve1,Ve2,Vv] :
      ( VExp0 != vapp(Ve1,Ve2)
      | VVar0 != Vv
      | ~ visFreeVar(Vv,Ve2)
      | visFreeVar(VVar0,VExp0) ),
    inference(conjunct,[],[normalize_0_7]) ).

cnf(refute_0_0,plain,
    ( vgensym(Ve) != Vv
    | ~ visFreeVar(Vv,Ve) ),
    inference(canonicalize,[],[normalize_0_1]) ).

cnf(refute_0_1,plain,
    ( vgensym(Ve) != vgensym(Ve)
    | ~ visFreeVar(vgensym(Ve),Ve) ),
    inference(subst,[],[refute_0_0:[bind(Vv,$fot(vgensym(Ve)))]]) ).

cnf(refute_0_2,plain,
    vgensym(Ve) = vgensym(Ve),
    introduced(tautology,[refl,[$fot(vgensym(Ve))]]) ).

cnf(refute_0_3,plain,
    ~ visFreeVar(vgensym(Ve),Ve),
    inference(resolve,[$cnf( $equal(vgensym(Ve),vgensym(Ve)) )],[refute_0_2,refute_0_1]) ).

cnf(refute_0_4,plain,
    ~ visFreeVar(vgensym(vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16))),vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16))),
    inference(subst,[],[refute_0_3:[bind(Ve,$fot(vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16))))]]) ).

cnf(refute_0_5,plain,
    skolemFOFtoCNF_Vfresh_1 = vgensym(vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16))),
    inference(canonicalize,[],[normalize_0_4]) ).

cnf(refute_0_6,plain,
    X = X,
    introduced(tautology,[refl,[$fot(X)]]) ).

cnf(refute_0_7,plain,
    ( X != X
    | X != Y
    | Y = X ),
    introduced(tautology,[equality,[$cnf( $equal(X,X) ),[0],$fot(Y)]]) ).

cnf(refute_0_8,plain,
    ( X != Y
    | Y = X ),
    inference(resolve,[$cnf( $equal(X,X) )],[refute_0_6,refute_0_7]) ).

cnf(refute_0_9,plain,
    ( skolemFOFtoCNF_Vfresh_1 != vgensym(vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16)))
    | vgensym(vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16))) = skolemFOFtoCNF_Vfresh_1 ),
    inference(subst,[],[refute_0_8:[bind(X,$fot(skolemFOFtoCNF_Vfresh_1)),bind(Y,$fot(vgensym(vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16)))))]]) ).

cnf(refute_0_10,plain,
    vgensym(vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16))) = skolemFOFtoCNF_Vfresh_1,
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_Vfresh_1,vgensym(vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16)))) )],[refute_0_5,refute_0_9]) ).

cnf(refute_0_11,plain,
    ( vgensym(vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16))) != skolemFOFtoCNF_Vfresh_1
    | ~ visFreeVar(skolemFOFtoCNF_Vfresh_1,vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16)))
    | visFreeVar(vgensym(vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16))),vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16))) ),
    introduced(tautology,[equality,[$cnf( ~ visFreeVar(vgensym(vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16))),vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16))) ),[0],$fot(skolemFOFtoCNF_Vfresh_1)]]) ).

cnf(refute_0_12,plain,
    ( ~ visFreeVar(skolemFOFtoCNF_Vfresh_1,vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16)))
    | visFreeVar(vgensym(vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16))),vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16))) ),
    inference(resolve,[$cnf( $equal(vgensym(vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16))),skolemFOFtoCNF_Vfresh_1) )],[refute_0_10,refute_0_11]) ).

cnf(refute_0_13,plain,
    ~ visFreeVar(skolemFOFtoCNF_Vfresh_1,vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16))),
    inference(resolve,[$cnf( visFreeVar(vgensym(vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16))),vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16))) )],[refute_0_12,refute_0_4]) ).

cnf(refute_0_14,plain,
    ( VExp0 != vapp(Ve1,Ve2)
    | VVar0 != Vv
    | ~ visFreeVar(Vv,Ve1)
    | visFreeVar(VVar0,VExp0) ),
    inference(canonicalize,[],[normalize_0_8]) ).

cnf(refute_0_15,plain,
    ( Vv != Vv
    | vapp(Ve1,Ve2) != vapp(Ve1,Ve2)
    | ~ visFreeVar(Vv,Ve1)
    | visFreeVar(Vv,vapp(Ve1,Ve2)) ),
    inference(subst,[],[refute_0_14:[bind(VExp0,$fot(vapp(Ve1,Ve2))),bind(VVar0,$fot(Vv))]]) ).

cnf(refute_0_16,plain,
    Vv = Vv,
    introduced(tautology,[refl,[$fot(Vv)]]) ).

cnf(refute_0_17,plain,
    ( vapp(Ve1,Ve2) != vapp(Ve1,Ve2)
    | ~ visFreeVar(Vv,Ve1)
    | visFreeVar(Vv,vapp(Ve1,Ve2)) ),
    inference(resolve,[$cnf( $equal(Vv,Vv) )],[refute_0_16,refute_0_15]) ).

cnf(refute_0_18,plain,
    vapp(Ve1,Ve2) = vapp(Ve1,Ve2),
    introduced(tautology,[refl,[$fot(vapp(Ve1,Ve2))]]) ).

cnf(refute_0_19,plain,
    ( ~ visFreeVar(Vv,Ve1)
    | visFreeVar(Vv,vapp(Ve1,Ve2)) ),
    inference(resolve,[$cnf( $equal(vapp(Ve1,Ve2),vapp(Ve1,Ve2)) )],[refute_0_18,refute_0_17]) ).

cnf(refute_0_20,plain,
    ( ~ visFreeVar(skolemFOFtoCNF_Vfresh_1,vapp(X_138,skolemFOFtoCNF_Ve1_10))
    | visFreeVar(skolemFOFtoCNF_Vfresh_1,vapp(vapp(X_138,skolemFOFtoCNF_Ve1_10),Ve2)) ),
    inference(subst,[],[refute_0_19:[bind(Ve1,$fot(vapp(X_138,skolemFOFtoCNF_Ve1_10))),bind(Vv,$fot(skolemFOFtoCNF_Vfresh_1))]]) ).

cnf(refute_0_21,plain,
    visFreeVar(skolemFOFtoCNF_Vfresh_1,skolemFOFtoCNF_Ve1_10),
    inference(canonicalize,[],[normalize_0_9]) ).

cnf(refute_0_22,plain,
    ( VExp0 != vapp(Ve1,Ve2)
    | VVar0 != Vv
    | ~ visFreeVar(Vv,Ve2)
    | visFreeVar(VVar0,VExp0) ),
    inference(canonicalize,[],[normalize_0_10]) ).

cnf(refute_0_23,plain,
    ( Vv != Vv
    | vapp(Ve1,Ve2) != vapp(Ve1,Ve2)
    | ~ visFreeVar(Vv,Ve2)
    | visFreeVar(Vv,vapp(Ve1,Ve2)) ),
    inference(subst,[],[refute_0_22:[bind(VExp0,$fot(vapp(Ve1,Ve2))),bind(VVar0,$fot(Vv))]]) ).

cnf(refute_0_24,plain,
    ( vapp(Ve1,Ve2) != vapp(Ve1,Ve2)
    | ~ visFreeVar(Vv,Ve2)
    | visFreeVar(Vv,vapp(Ve1,Ve2)) ),
    inference(resolve,[$cnf( $equal(Vv,Vv) )],[refute_0_16,refute_0_23]) ).

cnf(refute_0_25,plain,
    ( ~ visFreeVar(Vv,Ve2)
    | visFreeVar(Vv,vapp(Ve1,Ve2)) ),
    inference(resolve,[$cnf( $equal(vapp(Ve1,Ve2),vapp(Ve1,Ve2)) )],[refute_0_18,refute_0_24]) ).

cnf(refute_0_26,plain,
    ( ~ visFreeVar(skolemFOFtoCNF_Vfresh_1,skolemFOFtoCNF_Ve1_10)
    | visFreeVar(skolemFOFtoCNF_Vfresh_1,vapp(X_135,skolemFOFtoCNF_Ve1_10)) ),
    inference(subst,[],[refute_0_25:[bind(Ve1,$fot(X_135)),bind(Ve2,$fot(skolemFOFtoCNF_Ve1_10)),bind(Vv,$fot(skolemFOFtoCNF_Vfresh_1))]]) ).

cnf(refute_0_27,plain,
    visFreeVar(skolemFOFtoCNF_Vfresh_1,vapp(X_135,skolemFOFtoCNF_Ve1_10)),
    inference(resolve,[$cnf( visFreeVar(skolemFOFtoCNF_Vfresh_1,skolemFOFtoCNF_Ve1_10) )],[refute_0_21,refute_0_26]) ).

cnf(refute_0_28,plain,
    visFreeVar(skolemFOFtoCNF_Vfresh_1,vapp(X_138,skolemFOFtoCNF_Ve1_10)),
    inference(subst,[],[refute_0_27:[bind(X_135,$fot(X_138))]]) ).

cnf(refute_0_29,plain,
    visFreeVar(skolemFOFtoCNF_Vfresh_1,vapp(vapp(X_138,skolemFOFtoCNF_Ve1_10),Ve2)),
    inference(resolve,[$cnf( visFreeVar(skolemFOFtoCNF_Vfresh_1,vapp(X_138,skolemFOFtoCNF_Ve1_10)) )],[refute_0_28,refute_0_20]) ).

cnf(refute_0_30,plain,
    visFreeVar(skolemFOFtoCNF_Vfresh_1,vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16))),
    inference(subst,[],[refute_0_29:[bind(Ve2,$fot(vvar(skolemFOFtoCNF_Vx_16))),bind(X_138,$fot(skolemFOFtoCNF_Ve_7))]]) ).

cnf(refute_0_31,plain,
    $false,
    inference(resolve,[$cnf( visFreeVar(skolemFOFtoCNF_Vfresh_1,vapp(vapp(skolemFOFtoCNF_Ve_7,skolemFOFtoCNF_Ve1_10),vvar(skolemFOFtoCNF_Vx_16))) )],[refute_0_30,refute_0_13]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : COM129+1 : TPTP v8.1.0. Released v6.4.0.
% 0.03/0.12  % Command  : metis --show proof --show saturation %s
% 0.12/0.32  % Computer : n026.cluster.edu
% 0.12/0.32  % Model    : x86_64 x86_64
% 0.12/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.32  % Memory   : 8042.1875MB
% 0.12/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.32  % CPULimit : 300
% 0.12/0.32  % WCLimit  : 600
% 0.12/0.32  % DateTime : Thu Jun 16 18:04:08 EDT 2022
% 0.12/0.32  % CPUTime  : 
% 0.12/0.32  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.40/0.56  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.40/0.56  
% 0.40/0.56  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.40/0.56  
%------------------------------------------------------------------------------