TSTP Solution File: COM128+1 by Drodi---3.6.0

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%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : COM128+1 : TPTP v8.1.2. Released v6.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n017.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 : Tue Apr 30 20:14:10 EDT 2024

% Result   : Theorem 0.12s 0.41s
% Output   : CNFRefutation 0.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   23 (   8 unt;   0 def)
%            Number of atoms       :   62 (  33 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :   65 (  26   ~;  20   |;  10   &)
%                                         (   0 <=>;   9  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   5 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :   56 (  48   !;   8   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f10,axiom,
    ! [VVar0,VExp0,Vx,Vv] :
      ( ( VVar0 = Vv
        & VExp0 = vvar(Vx) )
     => ( ( Vx = Vv
         => visFreeVar(VVar0,VExp0) )
        & ( visFreeVar(VVar0,VExp0)
         => Vx = Vv ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f12,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) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f28,axiom,
    ! [Vv,Ve] :
      ( vgensym(Ve) = Vv
     => ~ visFreeVar(Vv,Ve) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f65,conjecture,
    ! [Ve,Ve1,Vx,Vfresh] :
      ( Vfresh = vgensym(vapp(vapp(Ve,Ve1),vvar(Vx)))
     => Vx != Vfresh ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f66,negated_conjecture,
    ~ ! [Ve,Ve1,Vx,Vfresh] :
        ( Vfresh = vgensym(vapp(vapp(Ve,Ve1),vvar(Vx)))
       => Vx != Vfresh ),
    inference(negated_conjecture,[status(cth)],[f65]) ).

fof(f94,plain,
    ! [VVar0,VExp0,Vx,Vv] :
      ( VVar0 != Vv
      | VExp0 != vvar(Vx)
      | ( ( Vx != Vv
          | visFreeVar(VVar0,VExp0) )
        & ( ~ visFreeVar(VVar0,VExp0)
          | Vx = Vv ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f10]) ).

fof(f95,plain,
    ! [X0,X1,X2,X3] :
      ( X0 != X1
      | X2 != vvar(X3)
      | X3 != X1
      | visFreeVar(X0,X2) ),
    inference(cnf_transformation,[status(esa)],[f94]) ).

fof(f102,plain,
    ! [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) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f12]) ).

fof(f104,plain,
    ! [X0,X1,X2,X3,X4] :
      ( X0 != X1
      | X2 != vapp(X3,X4)
      | ~ visFreeVar(X1,X4)
      | visFreeVar(X0,X2) ),
    inference(cnf_transformation,[status(esa)],[f102]) ).

fof(f155,plain,
    ! [Vv,Ve] :
      ( vgensym(Ve) != Vv
      | ~ visFreeVar(Vv,Ve) ),
    inference(pre_NNF_transformation,[status(esa)],[f28]) ).

fof(f156,plain,
    ! [X0,X1] :
      ( vgensym(X0) != X1
      | ~ visFreeVar(X1,X0) ),
    inference(cnf_transformation,[status(esa)],[f155]) ).

fof(f281,plain,
    ? [Ve,Ve1,Vx,Vfresh] :
      ( Vfresh = vgensym(vapp(vapp(Ve,Ve1),vvar(Vx)))
      & Vx = Vfresh ),
    inference(pre_NNF_transformation,[status(esa)],[f66]) ).

fof(f282,plain,
    ? [Vx,Vfresh] :
      ( ? [Ve,Ve1] : Vfresh = vgensym(vapp(vapp(Ve,Ve1),vvar(Vx)))
      & Vx = Vfresh ),
    inference(miniscoping,[status(esa)],[f281]) ).

fof(f283,plain,
    ( sk0_22 = vgensym(vapp(vapp(sk0_23,sk0_24),vvar(sk0_21)))
    & sk0_21 = sk0_22 ),
    inference(skolemization,[status(esa)],[f282]) ).

fof(f284,plain,
    sk0_22 = vgensym(vapp(vapp(sk0_23,sk0_24),vvar(sk0_21))),
    inference(cnf_transformation,[status(esa)],[f283]) ).

fof(f285,plain,
    sk0_21 = sk0_22,
    inference(cnf_transformation,[status(esa)],[f283]) ).

fof(f406,plain,
    ! [X0] : visFreeVar(X0,vvar(X0)),
    inference(destructive_equality_resolution,[status(esa)],[f95]) ).

fof(f412,plain,
    ! [X0,X1,X2] :
      ( ~ visFreeVar(X0,X1)
      | visFreeVar(X0,vapp(X2,X1)) ),
    inference(destructive_equality_resolution,[status(esa)],[f104]) ).

fof(f425,plain,
    ! [X0] : ~ visFreeVar(vgensym(X0),X0),
    inference(destructive_equality_resolution,[status(esa)],[f156]) ).

fof(f453,plain,
    sk0_21 = vgensym(vapp(vapp(sk0_23,sk0_24),vvar(sk0_21))),
    inference(forward_demodulation,[status(thm)],[f285,f284]) ).

fof(f454,plain,
    ~ visFreeVar(sk0_21,vapp(vapp(sk0_23,sk0_24),vvar(sk0_21))),
    inference(paramodulation,[status(thm)],[f453,f425]) ).

fof(f462,plain,
    ! [X0,X1] : visFreeVar(X0,vapp(X1,vvar(X0))),
    inference(resolution,[status(thm)],[f412,f406]) ).

fof(f463,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[f454,f462]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.13  % Problem  : COM128+1 : TPTP v8.1.2. Released v6.4.0.
% 0.11/0.14  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.12/0.35  % Computer : n017.cluster.edu
% 0.12/0.35  % Model    : x86_64 x86_64
% 0.12/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.35  % Memory   : 8042.1875MB
% 0.12/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.35  % CPULimit : 300
% 0.12/0.35  % WCLimit  : 300
% 0.12/0.35  % DateTime : Tue Apr 30 00:35:18 EDT 2024
% 0.12/0.35  % CPUTime  : 
% 0.12/0.37  % Drodi V3.6.0
% 0.12/0.41  % Refutation found
% 0.12/0.41  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.12/0.41  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.12/0.42  % Elapsed time: 0.065431 seconds
% 0.12/0.42  % CPU time: 0.353044 seconds
% 0.12/0.42  % Total memory used: 71.561 MB
% 0.12/0.42  % Net memory used: 71.379 MB
%------------------------------------------------------------------------------