TSTP Solution File: NUM405+1 by SnakeForV---1.0

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%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : NUM405+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s

% Computer : n024.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 Aug 31 17:59:21 EDT 2022

% Result   : Theorem 0.20s 0.58s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   27 (   4 unt;   0 def)
%            Number of atoms       :   87 (   0 equ)
%            Maximal formula atoms :   12 (   3 avg)
%            Number of connectives :  104 (  44   ~;  37   |;  15   &)
%                                         (   2 <=>;   5  =>;   0  <=;   1 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   1 con; 0-1 aty)
%            Number of variables   :   46 (  37   !;   9   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f95,plain,
    $false,
    inference(subsumption_resolution,[],[f92,f79]) ).

fof(f79,plain,
    ! [X3] : ordinal(sK4(sK2(X3))),
    inference(duplicate_literal_removal,[],[f78]) ).

fof(f78,plain,
    ! [X3] :
      ( ordinal(sK4(sK2(X3)))
      | ordinal(sK4(sK2(X3))) ),
    inference(resolution,[],[f61,f56]) ).

fof(f56,plain,
    ! [X2,X0] :
      ( ~ in(X2,sK2(X0))
      | ordinal(X2) ),
    inference(cnf_transformation,[],[f47]) ).

fof(f47,plain,
    ! [X0,X2] :
      ( ( in(X2,sK2(X0))
        | ~ in(X2,X0)
        | ~ ordinal(X2) )
      & ( ( in(X2,X0)
          & ordinal(X2) )
        | ~ in(X2,sK2(X0)) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2])],[f45,f46]) ).

fof(f46,plain,
    ! [X0] :
      ( ? [X1] :
        ! [X2] :
          ( ( in(X2,X1)
            | ~ in(X2,X0)
            | ~ ordinal(X2) )
          & ( ( in(X2,X0)
              & ordinal(X2) )
            | ~ in(X2,X1) ) )
     => ! [X2] :
          ( ( in(X2,sK2(X0))
            | ~ in(X2,X0)
            | ~ ordinal(X2) )
          & ( ( in(X2,X0)
              & ordinal(X2) )
            | ~ in(X2,sK2(X0)) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f45,plain,
    ! [X0] :
    ? [X1] :
    ! [X2] :
      ( ( in(X2,X1)
        | ~ in(X2,X0)
        | ~ ordinal(X2) )
      & ( ( in(X2,X0)
          & ordinal(X2) )
        | ~ in(X2,X1) ) ),
    inference(flattening,[],[f44]) ).

fof(f44,plain,
    ! [X0] :
    ? [X1] :
    ! [X2] :
      ( ( in(X2,X1)
        | ~ in(X2,X0)
        | ~ ordinal(X2) )
      & ( ( in(X2,X0)
          & ordinal(X2) )
        | ~ in(X2,X1) ) ),
    inference(nnf_transformation,[],[f26]) ).

fof(f26,axiom,
    ! [X0] :
    ? [X1] :
    ! [X2] :
      ( in(X2,X1)
    <=> ( in(X2,X0)
        & ordinal(X2) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',s1_xboole_0__e2_43__ordinal1) ).

fof(f61,plain,
    ! [X0] :
      ( in(sK4(X0),X0)
      | ordinal(sK4(X0)) ),
    inference(cnf_transformation,[],[f52]) ).

fof(f52,plain,
    ! [X0] :
      ( ( ~ ordinal(sK4(X0))
        | ~ in(sK4(X0),X0) )
      & ( ordinal(sK4(X0))
        | in(sK4(X0),X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK4])],[f50,f51]) ).

fof(f51,plain,
    ! [X0] :
      ( ? [X1] :
          ( ( ~ ordinal(X1)
            | ~ in(X1,X0) )
          & ( ordinal(X1)
            | in(X1,X0) ) )
     => ( ( ~ ordinal(sK4(X0))
          | ~ in(sK4(X0),X0) )
        & ( ordinal(sK4(X0))
          | in(sK4(X0),X0) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f50,plain,
    ! [X0] :
    ? [X1] :
      ( ( ~ ordinal(X1)
        | ~ in(X1,X0) )
      & ( ordinal(X1)
        | in(X1,X0) ) ),
    inference(nnf_transformation,[],[f36]) ).

fof(f36,plain,
    ! [X0] :
    ? [X1] :
      ( in(X1,X0)
    <~> ordinal(X1) ),
    inference(ennf_transformation,[],[f29]) ).

fof(f29,axiom,
    ! [X0] :
      ~ ! [X1] :
          ( ordinal(X1)
        <=> in(X1,X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t37_ordinal1) ).

fof(f92,plain,
    ~ ordinal(sK4(sK2(sK3))),
    inference(resolution,[],[f91,f60]) ).

fof(f60,plain,
    ! [X1] :
      ( in(X1,sK3)
      | ~ ordinal(X1) ),
    inference(cnf_transformation,[],[f49]) ).

fof(f49,plain,
    ! [X1] :
      ( in(X1,sK3)
      | ~ ordinal(X1) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3])],[f39,f48]) ).

fof(f48,plain,
    ( ? [X0] :
      ! [X1] :
        ( in(X1,X0)
        | ~ ordinal(X1) )
   => ! [X1] :
        ( in(X1,sK3)
        | ~ ordinal(X1) ) ),
    introduced(choice_axiom,[]) ).

fof(f39,plain,
    ? [X0] :
    ! [X1] :
      ( in(X1,X0)
      | ~ ordinal(X1) ),
    inference(ennf_transformation,[],[f31]) ).

fof(f31,negated_conjecture,
    ~ ! [X0] :
        ~ ! [X1] :
            ( ordinal(X1)
           => in(X1,X0) ),
    inference(negated_conjecture,[],[f30]) ).

fof(f30,conjecture,
    ! [X0] :
      ~ ! [X1] :
          ( ordinal(X1)
         => in(X1,X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t38_ordinal1) ).

fof(f91,plain,
    ! [X9] : ~ in(sK4(sK2(X9)),X9),
    inference(subsumption_resolution,[],[f90,f79]) ).

fof(f90,plain,
    ! [X9] :
      ( ~ in(sK4(sK2(X9)),X9)
      | ~ ordinal(sK4(sK2(X9))) ),
    inference(duplicate_literal_removal,[],[f89]) ).

fof(f89,plain,
    ! [X9] :
      ( ~ in(sK4(sK2(X9)),X9)
      | ~ ordinal(sK4(sK2(X9)))
      | ~ ordinal(sK4(sK2(X9))) ),
    inference(resolution,[],[f58,f62]) ).

fof(f62,plain,
    ! [X0] :
      ( ~ in(sK4(X0),X0)
      | ~ ordinal(sK4(X0)) ),
    inference(cnf_transformation,[],[f52]) ).

fof(f58,plain,
    ! [X2,X0] :
      ( in(X2,sK2(X0))
      | ~ ordinal(X2)
      | ~ in(X2,X0) ),
    inference(cnf_transformation,[],[f47]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.13  % Problem    : NUM405+1 : TPTP v8.1.0. Released v3.2.0.
% 0.12/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.13/0.35  % Computer : n024.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit   : 300
% 0.13/0.35  % WCLimit    : 300
% 0.13/0.35  % DateTime   : Tue Aug 30 06:31:04 EDT 2022
% 0.13/0.35  % CPUTime    : 
% 0.20/0.58  % (3104)dis+1010_1:50_awrs=decay:awrsf=128:nwc=10.0:s2pl=no:sp=frequency:ss=axioms:i=39:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/39Mi)
% 0.20/0.58  % (3104)First to succeed.
% 0.20/0.58  % (3104)Refutation found. Thanks to Tanya!
% 0.20/0.58  % SZS status Theorem for theBenchmark
% 0.20/0.58  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.58  % (3104)------------------------------
% 0.20/0.58  % (3104)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.58  % (3104)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.58  % (3104)Termination reason: Refutation
% 0.20/0.58  
% 0.20/0.58  % (3104)Memory used [KB]: 5884
% 0.20/0.58  % (3104)Time elapsed: 0.140 s
% 0.20/0.58  % (3104)Instructions burned: 2 (million)
% 0.20/0.58  % (3104)------------------------------
% 0.20/0.58  % (3104)------------------------------
% 0.20/0.58  % (3097)Success in time 0.223 s
%------------------------------------------------------------------------------