TSTP Solution File: SYN332+1 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : SYN332+1 : TPTP v8.1.0. Released v2.0.0.
% 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 : 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  : 300s
% DateTime : Wed Aug 31 19:26:15 EDT 2022

% Result   : Theorem 0.87s 0.67s
% Output   : Refutation 0.87s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :    2
% Syntax   : Number of formulae    :   27 (   4 unt;   0 def)
%            Number of atoms       :  269 (   0 equ)
%            Maximal formula atoms :   60 (   9 avg)
%            Number of connectives :  347 ( 105   ~; 117   |;  90   &)
%                                         (  18 <=>;  11  =>;   0  <=;   6 <~>)
%            Maximal formula depth :   17 (   7 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; 2-2 aty)
%            Number of variables   :   58 (  48   !;  10   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f97,plain,
    $false,
    inference(subsumption_resolution,[],[f96,f81]) ).

fof(f81,plain,
    ! [X6,X5] : big_f(X5,X6),
    inference(subsumption_resolution,[],[f80,f64]) ).

fof(f64,plain,
    ! [X4,X5] :
      ( ~ big_f(X5,X4)
      | big_f(X4,X5) ),
    inference(resolution,[],[f12,f53]) ).

fof(f53,plain,
    ! [X0] : big_f(X0,X0),
    inference(duplicate_literal_removal,[],[f46]) ).

fof(f46,plain,
    ! [X0] :
      ( big_f(X0,X0)
      | big_f(X0,X0)
      | big_f(X0,X0) ),
    inference(resolution,[],[f20,f29]) ).

fof(f29,plain,
    ! [X2,X3] :
      ( big_f(sK0(X2,X3),X3)
      | big_f(X3,X2) ),
    inference(resolution,[],[f22,f13]) ).

fof(f13,plain,
    ! [X0,X1] :
      ( big_f(X1,sK0(X0,X1))
      | big_f(X1,X0) ),
    inference(cnf_transformation,[],[f9]) ).

fof(f9,plain,
    ! [X0,X1] :
      ( ( big_f(X1,sK0(X0,X1))
        | ~ big_f(sK0(X0,X1),X1) )
      & ( big_f(sK0(X0,X1),X1)
        | ~ big_f(X1,sK0(X0,X1)) )
      & ( ~ big_f(sK0(X0,X1),X0)
        | ( ( ~ big_f(X1,X0)
            | ~ big_f(X0,X1) )
          & ( big_f(X1,X0)
            | big_f(X0,X1) ) ) )
      & ( big_f(sK0(X0,X1),X0)
        | ( ( big_f(X0,X1)
            | ~ big_f(X1,X0) )
          & ( big_f(X1,X0)
            | ~ big_f(X0,X1) ) ) )
      & ( big_f(X0,sK0(X0,X1))
        | ~ big_f(X1,sK0(X0,X1)) )
      & ( big_f(X1,sK0(X0,X1))
        | ~ big_f(X0,sK0(X0,X1)) )
      & ( ~ big_f(X0,X1)
        | ~ big_f(X1,X0)
        | ~ big_f(X1,sK0(X0,X1)) )
      & ( ( big_f(X0,X1)
          & big_f(X1,X0) )
        | big_f(X1,sK0(X0,X1)) )
      & ( ~ big_f(X0,X1)
        | big_f(X1,X0)
        | ~ big_f(sK0(X0,X1),sK0(X0,X1)) )
      & ( big_f(sK0(X0,X1),sK0(X0,X1))
        | ( big_f(X0,X1)
          & ~ big_f(X1,X0) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f7,f8]) ).

fof(f8,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ( big_f(X1,X2)
            | ~ big_f(X2,X1) )
          & ( big_f(X2,X1)
            | ~ big_f(X1,X2) )
          & ( ~ big_f(X2,X0)
            | ( ( ~ big_f(X1,X0)
                | ~ big_f(X0,X1) )
              & ( big_f(X1,X0)
                | big_f(X0,X1) ) ) )
          & ( big_f(X2,X0)
            | ( ( big_f(X0,X1)
                | ~ big_f(X1,X0) )
              & ( big_f(X1,X0)
                | ~ big_f(X0,X1) ) ) )
          & ( big_f(X0,X2)
            | ~ big_f(X1,X2) )
          & ( big_f(X1,X2)
            | ~ big_f(X0,X2) )
          & ( ~ big_f(X0,X1)
            | ~ big_f(X1,X0)
            | ~ big_f(X1,X2) )
          & ( ( big_f(X0,X1)
              & big_f(X1,X0) )
            | big_f(X1,X2) )
          & ( ~ big_f(X0,X1)
            | big_f(X1,X0)
            | ~ big_f(X2,X2) )
          & ( big_f(X2,X2)
            | ( big_f(X0,X1)
              & ~ big_f(X1,X0) ) ) )
     => ( ( big_f(X1,sK0(X0,X1))
          | ~ big_f(sK0(X0,X1),X1) )
        & ( big_f(sK0(X0,X1),X1)
          | ~ big_f(X1,sK0(X0,X1)) )
        & ( ~ big_f(sK0(X0,X1),X0)
          | ( ( ~ big_f(X1,X0)
              | ~ big_f(X0,X1) )
            & ( big_f(X1,X0)
              | big_f(X0,X1) ) ) )
        & ( big_f(sK0(X0,X1),X0)
          | ( ( big_f(X0,X1)
              | ~ big_f(X1,X0) )
            & ( big_f(X1,X0)
              | ~ big_f(X0,X1) ) ) )
        & ( big_f(X0,sK0(X0,X1))
          | ~ big_f(X1,sK0(X0,X1)) )
        & ( big_f(X1,sK0(X0,X1))
          | ~ big_f(X0,sK0(X0,X1)) )
        & ( ~ big_f(X0,X1)
          | ~ big_f(X1,X0)
          | ~ big_f(X1,sK0(X0,X1)) )
        & ( ( big_f(X0,X1)
            & big_f(X1,X0) )
          | big_f(X1,sK0(X0,X1)) )
        & ( ~ big_f(X0,X1)
          | big_f(X1,X0)
          | ~ big_f(sK0(X0,X1),sK0(X0,X1)) )
        & ( big_f(sK0(X0,X1),sK0(X0,X1))
          | ( big_f(X0,X1)
            & ~ big_f(X1,X0) ) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f7,plain,
    ! [X0,X1] :
    ? [X2] :
      ( ( big_f(X1,X2)
        | ~ big_f(X2,X1) )
      & ( big_f(X2,X1)
        | ~ big_f(X1,X2) )
      & ( ~ big_f(X2,X0)
        | ( ( ~ big_f(X1,X0)
            | ~ big_f(X0,X1) )
          & ( big_f(X1,X0)
            | big_f(X0,X1) ) ) )
      & ( big_f(X2,X0)
        | ( ( big_f(X0,X1)
            | ~ big_f(X1,X0) )
          & ( big_f(X1,X0)
            | ~ big_f(X0,X1) ) ) )
      & ( big_f(X0,X2)
        | ~ big_f(X1,X2) )
      & ( big_f(X1,X2)
        | ~ big_f(X0,X2) )
      & ( ~ big_f(X0,X1)
        | ~ big_f(X1,X0)
        | ~ big_f(X1,X2) )
      & ( ( big_f(X0,X1)
          & big_f(X1,X0) )
        | big_f(X1,X2) )
      & ( ~ big_f(X0,X1)
        | big_f(X1,X0)
        | ~ big_f(X2,X2) )
      & ( big_f(X2,X2)
        | ( big_f(X0,X1)
          & ~ big_f(X1,X0) ) ) ),
    inference(rectify,[],[f6]) ).

fof(f6,plain,
    ! [X1,X0] :
    ? [X2] :
      ( ( big_f(X0,X2)
        | ~ big_f(X2,X0) )
      & ( big_f(X2,X0)
        | ~ big_f(X0,X2) )
      & ( ~ big_f(X2,X1)
        | ( ( ~ big_f(X0,X1)
            | ~ big_f(X1,X0) )
          & ( big_f(X0,X1)
            | big_f(X1,X0) ) ) )
      & ( big_f(X2,X1)
        | ( ( big_f(X1,X0)
            | ~ big_f(X0,X1) )
          & ( big_f(X0,X1)
            | ~ big_f(X1,X0) ) ) )
      & ( big_f(X1,X2)
        | ~ big_f(X0,X2) )
      & ( big_f(X0,X2)
        | ~ big_f(X1,X2) )
      & ( ~ big_f(X1,X0)
        | ~ big_f(X0,X1)
        | ~ big_f(X0,X2) )
      & ( ( big_f(X1,X0)
          & big_f(X0,X1) )
        | big_f(X0,X2) )
      & ( ~ big_f(X1,X0)
        | big_f(X0,X1)
        | ~ big_f(X2,X2) )
      & ( big_f(X2,X2)
        | ( big_f(X1,X0)
          & ~ big_f(X0,X1) ) ) ),
    inference(flattening,[],[f5]) ).

fof(f5,plain,
    ! [X1,X0] :
    ? [X2] :
      ( ( big_f(X0,X2)
        | ~ big_f(X2,X0) )
      & ( big_f(X2,X0)
        | ~ big_f(X0,X2) )
      & ( ~ big_f(X2,X1)
        | ( ( ~ big_f(X0,X1)
            | ~ big_f(X1,X0) )
          & ( big_f(X0,X1)
            | big_f(X1,X0) ) ) )
      & ( big_f(X2,X1)
        | ( ( big_f(X1,X0)
            | ~ big_f(X0,X1) )
          & ( big_f(X0,X1)
            | ~ big_f(X1,X0) ) ) )
      & ( big_f(X1,X2)
        | ~ big_f(X0,X2) )
      & ( big_f(X0,X2)
        | ~ big_f(X1,X2) )
      & ( ~ big_f(X1,X0)
        | ~ big_f(X0,X1)
        | ~ big_f(X0,X2) )
      & ( ( big_f(X1,X0)
          & big_f(X0,X1) )
        | big_f(X0,X2) )
      & ( ~ big_f(X1,X0)
        | big_f(X0,X1)
        | ~ big_f(X2,X2) )
      & ( big_f(X2,X2)
        | ( big_f(X1,X0)
          & ~ big_f(X0,X1) ) ) ),
    inference(nnf_transformation,[],[f4]) ).

fof(f4,plain,
    ! [X1,X0] :
    ? [X2] :
      ( ( big_f(X0,X2)
      <=> big_f(X2,X0) )
      & ( ( big_f(X1,X0)
        <=> big_f(X0,X1) )
      <~> big_f(X2,X1) )
      & ( big_f(X1,X2)
      <=> big_f(X0,X2) )
      & ( big_f(X0,X2)
      <~> ( big_f(X1,X0)
          & big_f(X0,X1) ) )
      & ( ( ~ big_f(X1,X0)
          | big_f(X0,X1) )
      <=> big_f(X2,X2) ) ),
    inference(flattening,[],[f3]) ).

fof(f3,plain,
    ! [X0,X1] :
    ? [X2] :
      ( ( ( big_f(X1,X0)
        <=> big_f(X0,X1) )
      <~> big_f(X2,X1) )
      & ( ( ~ big_f(X1,X0)
          | big_f(X0,X1) )
      <=> big_f(X2,X2) )
      & ( big_f(X1,X2)
      <=> big_f(X0,X2) )
      & ( big_f(X0,X2)
      <=> big_f(X2,X0) )
      & ( big_f(X0,X2)
      <~> ( big_f(X1,X0)
          & big_f(X0,X1) ) ) ),
    inference(ennf_transformation,[],[f2]) ).

fof(f2,negated_conjecture,
    ~ ? [X0,X1] :
      ! [X2] :
        ( ( big_f(X0,X2)
        <~> ( big_f(X1,X0)
            & big_f(X0,X1) ) )
       => ( ( big_f(X0,X2)
          <=> big_f(X2,X0) )
         => ( ( big_f(X1,X2)
            <=> big_f(X0,X2) )
           => ( ( big_f(X2,X2)
              <=> ( big_f(X1,X0)
                 => big_f(X0,X1) ) )
             => ( ( big_f(X1,X0)
                <=> big_f(X0,X1) )
              <=> big_f(X2,X1) ) ) ) ) ),
    inference(negated_conjecture,[],[f1]) ).

fof(f1,conjecture,
    ? [X0,X1] :
    ! [X2] :
      ( ( big_f(X0,X2)
      <~> ( big_f(X1,X0)
          & big_f(X0,X1) ) )
     => ( ( big_f(X0,X2)
        <=> big_f(X2,X0) )
       => ( ( big_f(X1,X2)
          <=> big_f(X0,X2) )
         => ( ( big_f(X2,X2)
            <=> ( big_f(X1,X0)
               => big_f(X0,X1) ) )
           => ( ( big_f(X1,X0)
              <=> big_f(X0,X1) )
            <=> big_f(X2,X1) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',church_46_14_4) ).

fof(f22,plain,
    ! [X0,X1] :
      ( ~ big_f(X1,sK0(X0,X1))
      | big_f(sK0(X0,X1),X1) ),
    inference(cnf_transformation,[],[f9]) ).

fof(f20,plain,
    ! [X0,X1] :
      ( ~ big_f(sK0(X0,X1),X0)
      | big_f(X1,X0)
      | big_f(X0,X1) ),
    inference(cnf_transformation,[],[f9]) ).

fof(f12,plain,
    ! [X0,X1] :
      ( ~ big_f(sK0(X0,X1),sK0(X0,X1))
      | big_f(X1,X0)
      | ~ big_f(X0,X1) ),
    inference(cnf_transformation,[],[f9]) ).

fof(f80,plain,
    ! [X6,X5] :
      ( big_f(X6,X5)
      | big_f(X5,X6) ),
    inference(duplicate_literal_removal,[],[f79]) ).

fof(f79,plain,
    ! [X6,X5] :
      ( big_f(X5,X6)
      | big_f(X6,X5)
      | big_f(X5,X6) ),
    inference(resolution,[],[f67,f20]) ).

fof(f67,plain,
    ! [X4,X5] :
      ( big_f(sK0(X4,X5),X4)
      | big_f(X5,X4) ),
    inference(resolution,[],[f64,f27]) ).

fof(f27,plain,
    ! [X2,X3] :
      ( big_f(X2,sK0(X2,X3))
      | big_f(X3,X2) ),
    inference(resolution,[],[f17,f13]) ).

fof(f17,plain,
    ! [X0,X1] :
      ( ~ big_f(X1,sK0(X0,X1))
      | big_f(X0,sK0(X0,X1)) ),
    inference(cnf_transformation,[],[f9]) ).

fof(f96,plain,
    ! [X2,X3] : ~ big_f(X3,X2),
    inference(subsumption_resolution,[],[f88,f81]) ).

fof(f88,plain,
    ! [X2,X3] :
      ( ~ big_f(X2,X3)
      | ~ big_f(X3,X2) ),
    inference(resolution,[],[f81,f15]) ).

fof(f15,plain,
    ! [X0,X1] :
      ( ~ big_f(X1,sK0(X0,X1))
      | ~ big_f(X1,X0)
      | ~ big_f(X0,X1) ),
    inference(cnf_transformation,[],[f9]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem    : SYN332+1 : TPTP v8.1.0. Released v2.0.0.
% 0.03/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.13/0.34  % Computer : n025.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    : 300
% 0.13/0.34  % DateTime   : Tue Aug 30 21:53:30 EDT 2022
% 0.13/0.34  % CPUTime    : 
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% 0.20/0.44  ipcrm: permission denied for id (686686275)
% 0.20/0.44  ipcrm: permission denied for id (684359748)
% 0.20/0.44  ipcrm: permission denied for id (689602629)
% 0.20/0.44  ipcrm: permission denied for id (689635398)
% 0.20/0.45  ipcrm: permission denied for id (689668167)
% 0.20/0.45  ipcrm: permission denied for id (686817352)
% 0.20/0.45  ipcrm: permission denied for id (684458057)
% 0.20/0.45  ipcrm: permission denied for id (686850122)
% 0.20/0.45  ipcrm: permission denied for id (686882891)
% 0.20/0.45  ipcrm: permission denied for id (689700940)
% 0.20/0.45  ipcrm: permission denied for id (690978893)
% 0.20/0.45  ipcrm: permission denied for id (689766478)
% 0.20/0.46  ipcrm: permission denied for id (684523599)
% 0.20/0.46  ipcrm: permission denied for id (687046736)
% 0.20/0.46  ipcrm: permission denied for id (689799249)
% 0.20/0.46  ipcrm: permission denied for id (687112274)
% 0.20/0.46  ipcrm: permission denied for id (689832019)
% 0.20/0.46  ipcrm: permission denied for id (689864788)
% 0.20/0.46  ipcrm: permission denied for id (689897557)
% 0.20/0.47  ipcrm: permission denied for id (687308888)
% 0.20/0.47  ipcrm: permission denied for id (687341657)
% 0.20/0.47  ipcrm: permission denied for id (687374426)
% 0.20/0.47  ipcrm: permission denied for id (687407195)
% 0.20/0.47  ipcrm: permission denied for id (687439964)
% 0.20/0.47  ipcrm: permission denied for id (687472733)
% 0.20/0.47  ipcrm: permission denied for id (687505502)
% 0.20/0.48  ipcrm: permission denied for id (687538271)
% 0.20/0.48  ipcrm: permission denied for id (691109985)
% 0.20/0.48  ipcrm: permission denied for id (687669347)
% 0.20/0.48  ipcrm: permission denied for id (691175524)
% 0.20/0.48  ipcrm: permission denied for id (690192485)
% 0.20/0.49  ipcrm: permission denied for id (684720233)
% 0.20/0.49  ipcrm: permission denied for id (684753003)
% 0.20/0.49  ipcrm: permission denied for id (687964268)
% 0.20/0.49  ipcrm: permission denied for id (690356333)
% 0.20/0.49  ipcrm: permission denied for id (688029806)
% 0.20/0.50  ipcrm: permission denied for id (688062575)
% 0.20/0.50  ipcrm: permission denied for id (688128113)
% 0.20/0.50  ipcrm: permission denied for id (684785779)
% 0.20/0.50  ipcrm: permission denied for id (688193652)
% 0.20/0.50  ipcrm: permission denied for id (688259190)
% 0.20/0.51  ipcrm: permission denied for id (690520183)
% 0.20/0.51  ipcrm: permission denied for id (688324728)
% 0.20/0.51  ipcrm: permission denied for id (688390266)
% 0.20/0.51  ipcrm: permission denied for id (688488573)
% 0.20/0.52  ipcrm: permission denied for id (688554111)
% 0.87/0.65  % (32128)dis+21_1:1_av=off:sos=on:sp=frequency:ss=included:to=lpo:i=15:si=on:rawr=on:rtra=on_0 on theBenchmark for (2998ds/15Mi)
% 0.87/0.65  % (32124)lrs+10_1:1_gsp=on:sd=1:sgt=32:sos=on:ss=axioms:i=13:si=on:rawr=on:rtra=on_0 on theBenchmark for (2998ds/13Mi)
% 0.87/0.66  % (32124)First to succeed.
% 0.87/0.67  % (32124)Refutation found. Thanks to Tanya!
% 0.87/0.67  % SZS status Theorem for theBenchmark
% 0.87/0.67  % SZS output start Proof for theBenchmark
% See solution above
% 0.87/0.67  % (32124)------------------------------
% 0.87/0.67  % (32124)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.87/0.67  % (32124)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.87/0.67  % (32124)Termination reason: Refutation
% 0.87/0.67  
% 0.87/0.67  % (32124)Memory used [KB]: 5884
% 0.87/0.67  % (32124)Time elapsed: 0.096 s
% 0.87/0.67  % (32124)Instructions burned: 3 (million)
% 0.87/0.67  % (32124)------------------------------
% 0.87/0.67  % (32124)------------------------------
% 0.87/0.67  % (31989)Success in time 0.317 s
%------------------------------------------------------------------------------