TSTP Solution File: SET921+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET921+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_sat --cores 0 -t %d %s

% Computer : n006.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 18:26:06 EDT 2022

% Result   : Theorem 0.19s 0.51s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   68 (   6 unt;   0 def)
%            Number of atoms       :  271 (  71 equ)
%            Maximal formula atoms :   14 (   3 avg)
%            Number of connectives :  330 ( 127   ~; 134   |;  52   &)
%                                         (  13 <=>;   3  =>;   0  <=;   1 <~>)
%            Maximal formula depth :   11 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   4 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   5 con; 0-3 aty)
%            Number of variables   :  108 (  86   !;  22   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f114,plain,
    $false,
    inference(avatar_sat_refutation,[],[f66,f71,f72,f98,f104,f112]) ).

fof(f112,plain,
    ( ~ spl9_1
    | ~ spl9_3 ),
    inference(avatar_contradiction_clause,[],[f111]) ).

fof(f111,plain,
    ( $false
    | ~ spl9_1
    | ~ spl9_3 ),
    inference(subsumption_resolution,[],[f109,f61]) ).

fof(f61,plain,
    ( in(sK4,sF8)
    | ~ spl9_1 ),
    inference(avatar_component_clause,[],[f59]) ).

fof(f59,plain,
    ( spl9_1
  <=> in(sK4,sF8) ),
    introduced(avatar_definition,[new_symbols(naming,[spl9_1])]) ).

fof(f109,plain,
    ( ~ in(sK4,sF8)
    | ~ spl9_3 ),
    inference(backward_demodulation,[],[f82,f69]) ).

fof(f69,plain,
    ( sK4 = sK5
    | ~ spl9_3 ),
    inference(avatar_component_clause,[],[f68]) ).

fof(f68,plain,
    ( spl9_3
  <=> sK4 = sK5 ),
    introduced(avatar_definition,[new_symbols(naming,[spl9_3])]) ).

fof(f82,plain,
    ~ in(sK5,sF8),
    inference(resolution,[],[f79,f73]) ).

fof(f73,plain,
    in(sK5,sF7),
    inference(superposition,[],[f51,f53]) ).

fof(f53,plain,
    sF7 = singleton(sK5),
    introduced(function_definition,[]) ).

fof(f51,plain,
    ! [X3] : in(X3,singleton(X3)),
    inference(equality_resolution,[],[f50]) ).

fof(f50,plain,
    ! [X3,X0] :
      ( in(X3,X0)
      | singleton(X3) != X0 ),
    inference(equality_resolution,[],[f41]) ).

fof(f41,plain,
    ! [X3,X0,X1] :
      ( in(X3,X0)
      | X1 != X3
      | singleton(X1) != X0 ),
    inference(cnf_transformation,[],[f25]) ).

fof(f25,plain,
    ! [X0,X1] :
      ( ( singleton(X1) = X0
        | ( ( sK3(X0,X1) != X1
            | ~ in(sK3(X0,X1),X0) )
          & ( sK3(X0,X1) = X1
            | in(sK3(X0,X1),X0) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X0)
              | X1 != X3 )
            & ( X1 = X3
              | ~ in(X3,X0) ) )
        | singleton(X1) != X0 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3])],[f23,f24]) ).

fof(f24,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ( X1 != X2
            | ~ in(X2,X0) )
          & ( X1 = X2
            | in(X2,X0) ) )
     => ( ( sK3(X0,X1) != X1
          | ~ in(sK3(X0,X1),X0) )
        & ( sK3(X0,X1) = X1
          | in(sK3(X0,X1),X0) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f23,plain,
    ! [X0,X1] :
      ( ( singleton(X1) = X0
        | ? [X2] :
            ( ( X1 != X2
              | ~ in(X2,X0) )
            & ( X1 = X2
              | in(X2,X0) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X0)
              | X1 != X3 )
            & ( X1 = X3
              | ~ in(X3,X0) ) )
        | singleton(X1) != X0 ) ),
    inference(rectify,[],[f22]) ).

fof(f22,plain,
    ! [X0,X1] :
      ( ( singleton(X1) = X0
        | ? [X2] :
            ( ( X1 != X2
              | ~ in(X2,X0) )
            & ( X1 = X2
              | in(X2,X0) ) ) )
      & ( ! [X2] :
            ( ( in(X2,X0)
              | X1 != X2 )
            & ( X1 = X2
              | ~ in(X2,X0) ) )
        | singleton(X1) != X0 ) ),
    inference(nnf_transformation,[],[f10]) ).

fof(f10,plain,
    ! [X0,X1] :
      ( singleton(X1) = X0
    <=> ! [X2] :
          ( in(X2,X0)
        <=> X1 = X2 ) ),
    inference(rectify,[],[f2]) ).

fof(f2,axiom,
    ! [X1,X0] :
      ( ! [X2] :
          ( in(X2,X1)
        <=> X0 = X2 )
    <=> singleton(X0) = X1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_tarski) ).

fof(f79,plain,
    ! [X0] :
      ( ~ in(X0,sF7)
      | ~ in(X0,sF8) ),
    inference(superposition,[],[f48,f54]) ).

fof(f54,plain,
    sF8 = set_difference(sK6,sF7),
    introduced(function_definition,[]) ).

fof(f48,plain,
    ! [X2,X1,X4] :
      ( ~ in(X4,set_difference(X2,X1))
      | ~ in(X4,X1) ),
    inference(equality_resolution,[],[f33]) ).

fof(f33,plain,
    ! [X2,X0,X1,X4] :
      ( ~ in(X4,X1)
      | ~ in(X4,X0)
      | set_difference(X2,X1) != X0 ),
    inference(cnf_transformation,[],[f19]) ).

fof(f19,plain,
    ! [X0,X1,X2] :
      ( ( set_difference(X2,X1) = X0
        | ( ( in(sK1(X0,X1,X2),X1)
            | ~ in(sK1(X0,X1,X2),X2)
            | ~ in(sK1(X0,X1,X2),X0) )
          & ( ( ~ in(sK1(X0,X1,X2),X1)
              & in(sK1(X0,X1,X2),X2) )
            | in(sK1(X0,X1,X2),X0) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X0)
              | in(X4,X1)
              | ~ in(X4,X2) )
            & ( ( ~ in(X4,X1)
                & in(X4,X2) )
              | ~ in(X4,X0) ) )
        | set_difference(X2,X1) != X0 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1])],[f17,f18]) ).

fof(f18,plain,
    ! [X0,X1,X2] :
      ( ? [X3] :
          ( ( in(X3,X1)
            | ~ in(X3,X2)
            | ~ in(X3,X0) )
          & ( ( ~ in(X3,X1)
              & in(X3,X2) )
            | in(X3,X0) ) )
     => ( ( in(sK1(X0,X1,X2),X1)
          | ~ in(sK1(X0,X1,X2),X2)
          | ~ in(sK1(X0,X1,X2),X0) )
        & ( ( ~ in(sK1(X0,X1,X2),X1)
            & in(sK1(X0,X1,X2),X2) )
          | in(sK1(X0,X1,X2),X0) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f17,plain,
    ! [X0,X1,X2] :
      ( ( set_difference(X2,X1) = X0
        | ? [X3] :
            ( ( in(X3,X1)
              | ~ in(X3,X2)
              | ~ in(X3,X0) )
            & ( ( ~ in(X3,X1)
                & in(X3,X2) )
              | in(X3,X0) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X0)
              | in(X4,X1)
              | ~ in(X4,X2) )
            & ( ( ~ in(X4,X1)
                & in(X4,X2) )
              | ~ in(X4,X0) ) )
        | set_difference(X2,X1) != X0 ) ),
    inference(rectify,[],[f16]) ).

fof(f16,plain,
    ! [X0,X1,X2] :
      ( ( set_difference(X2,X1) = X0
        | ? [X3] :
            ( ( in(X3,X1)
              | ~ in(X3,X2)
              | ~ in(X3,X0) )
            & ( ( ~ in(X3,X1)
                & in(X3,X2) )
              | in(X3,X0) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X0)
              | in(X3,X1)
              | ~ in(X3,X2) )
            & ( ( ~ in(X3,X1)
                & in(X3,X2) )
              | ~ in(X3,X0) ) )
        | set_difference(X2,X1) != X0 ) ),
    inference(flattening,[],[f15]) ).

fof(f15,plain,
    ! [X0,X1,X2] :
      ( ( set_difference(X2,X1) = X0
        | ? [X3] :
            ( ( in(X3,X1)
              | ~ in(X3,X2)
              | ~ in(X3,X0) )
            & ( ( ~ in(X3,X1)
                & in(X3,X2) )
              | in(X3,X0) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X0)
              | in(X3,X1)
              | ~ in(X3,X2) )
            & ( ( ~ in(X3,X1)
                & in(X3,X2) )
              | ~ in(X3,X0) ) )
        | set_difference(X2,X1) != X0 ) ),
    inference(nnf_transformation,[],[f9]) ).

fof(f9,plain,
    ! [X0,X1,X2] :
      ( set_difference(X2,X1) = X0
    <=> ! [X3] :
          ( in(X3,X0)
        <=> ( ~ in(X3,X1)
            & in(X3,X2) ) ) ),
    inference(rectify,[],[f3]) ).

fof(f3,axiom,
    ! [X2,X1,X0] :
      ( ! [X3] :
          ( ( ~ in(X3,X1)
            & in(X3,X0) )
        <=> in(X3,X2) )
    <=> set_difference(X0,X1) = X2 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_xboole_0) ).

fof(f104,plain,
    ( spl9_2
    | ~ spl9_1 ),
    inference(avatar_split_clause,[],[f99,f59,f63]) ).

fof(f63,plain,
    ( spl9_2
  <=> in(sK4,sK6) ),
    introduced(avatar_definition,[new_symbols(naming,[spl9_2])]) ).

fof(f99,plain,
    ( in(sK4,sK6)
    | ~ spl9_1 ),
    inference(resolution,[],[f61,f83]) ).

fof(f83,plain,
    ! [X0] :
      ( ~ in(X0,sF8)
      | in(X0,sK6) ),
    inference(superposition,[],[f49,f54]) ).

fof(f49,plain,
    ! [X2,X1,X4] :
      ( ~ in(X4,set_difference(X2,X1))
      | in(X4,X2) ),
    inference(equality_resolution,[],[f32]) ).

fof(f32,plain,
    ! [X2,X0,X1,X4] :
      ( in(X4,X2)
      | ~ in(X4,X0)
      | set_difference(X2,X1) != X0 ),
    inference(cnf_transformation,[],[f19]) ).

fof(f98,plain,
    ( spl9_1
    | ~ spl9_2
    | spl9_3 ),
    inference(avatar_contradiction_clause,[],[f97]) ).

fof(f97,plain,
    ( $false
    | spl9_1
    | ~ spl9_2
    | spl9_3 ),
    inference(subsumption_resolution,[],[f94,f70]) ).

fof(f70,plain,
    ( sK4 != sK5
    | spl9_3 ),
    inference(avatar_component_clause,[],[f68]) ).

fof(f94,plain,
    ( sK4 = sK5
    | spl9_1
    | ~ spl9_2 ),
    inference(resolution,[],[f92,f78]) ).

fof(f78,plain,
    ! [X0] :
      ( ~ in(X0,sF7)
      | sK5 = X0 ),
    inference(superposition,[],[f52,f53]) ).

fof(f52,plain,
    ! [X3,X1] :
      ( ~ in(X3,singleton(X1))
      | X1 = X3 ),
    inference(equality_resolution,[],[f40]) ).

fof(f40,plain,
    ! [X3,X0,X1] :
      ( X1 = X3
      | ~ in(X3,X0)
      | singleton(X1) != X0 ),
    inference(cnf_transformation,[],[f25]) ).

fof(f92,plain,
    ( in(sK4,sF7)
    | spl9_1
    | ~ spl9_2 ),
    inference(subsumption_resolution,[],[f91,f60]) ).

fof(f60,plain,
    ( ~ in(sK4,sF8)
    | spl9_1 ),
    inference(avatar_component_clause,[],[f59]) ).

fof(f91,plain,
    ( in(sK4,sF8)
    | in(sK4,sF7)
    | ~ spl9_2 ),
    inference(superposition,[],[f84,f54]) ).

fof(f84,plain,
    ( ! [X0] :
        ( in(sK4,set_difference(sK6,X0))
        | in(sK4,X0) )
    | ~ spl9_2 ),
    inference(resolution,[],[f47,f65]) ).

fof(f65,plain,
    ( in(sK4,sK6)
    | ~ spl9_2 ),
    inference(avatar_component_clause,[],[f63]) ).

fof(f47,plain,
    ! [X2,X1,X4] :
      ( ~ in(X4,X2)
      | in(X4,X1)
      | in(X4,set_difference(X2,X1)) ),
    inference(equality_resolution,[],[f34]) ).

fof(f34,plain,
    ! [X2,X0,X1,X4] :
      ( in(X4,X0)
      | in(X4,X1)
      | ~ in(X4,X2)
      | set_difference(X2,X1) != X0 ),
    inference(cnf_transformation,[],[f19]) ).

fof(f72,plain,
    ( spl9_3
    | ~ spl9_1
    | ~ spl9_2 ),
    inference(avatar_split_clause,[],[f55,f63,f59,f68]) ).

fof(f55,plain,
    ( ~ in(sK4,sK6)
    | ~ in(sK4,sF8)
    | sK4 = sK5 ),
    inference(definition_folding,[],[f46,f54,f53]) ).

fof(f46,plain,
    ( ~ in(sK4,set_difference(sK6,singleton(sK5)))
    | sK4 = sK5
    | ~ in(sK4,sK6) ),
    inference(cnf_transformation,[],[f30]) ).

fof(f30,plain,
    ( ( ~ in(sK4,set_difference(sK6,singleton(sK5)))
      | sK4 = sK5
      | ~ in(sK4,sK6) )
    & ( in(sK4,set_difference(sK6,singleton(sK5)))
      | ( sK4 != sK5
        & in(sK4,sK6) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK4,sK5,sK6])],[f28,f29]) ).

fof(f29,plain,
    ( ? [X0,X1,X2] :
        ( ( ~ in(X0,set_difference(X2,singleton(X1)))
          | X0 = X1
          | ~ in(X0,X2) )
        & ( in(X0,set_difference(X2,singleton(X1)))
          | ( X0 != X1
            & in(X0,X2) ) ) )
   => ( ( ~ in(sK4,set_difference(sK6,singleton(sK5)))
        | sK4 = sK5
        | ~ in(sK4,sK6) )
      & ( in(sK4,set_difference(sK6,singleton(sK5)))
        | ( sK4 != sK5
          & in(sK4,sK6) ) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f28,plain,
    ? [X0,X1,X2] :
      ( ( ~ in(X0,set_difference(X2,singleton(X1)))
        | X0 = X1
        | ~ in(X0,X2) )
      & ( in(X0,set_difference(X2,singleton(X1)))
        | ( X0 != X1
          & in(X0,X2) ) ) ),
    inference(rectify,[],[f27]) ).

fof(f27,plain,
    ? [X0,X2,X1] :
      ( ( ~ in(X0,set_difference(X1,singleton(X2)))
        | X0 = X2
        | ~ in(X0,X1) )
      & ( in(X0,set_difference(X1,singleton(X2)))
        | ( X0 != X2
          & in(X0,X1) ) ) ),
    inference(flattening,[],[f26]) ).

fof(f26,plain,
    ? [X0,X2,X1] :
      ( ( ~ in(X0,set_difference(X1,singleton(X2)))
        | X0 = X2
        | ~ in(X0,X1) )
      & ( in(X0,set_difference(X1,singleton(X2)))
        | ( X0 != X2
          & in(X0,X1) ) ) ),
    inference(nnf_transformation,[],[f11]) ).

fof(f11,plain,
    ? [X0,X2,X1] :
      ( ( X0 != X2
        & in(X0,X1) )
    <~> in(X0,set_difference(X1,singleton(X2))) ),
    inference(ennf_transformation,[],[f7]) ).

fof(f7,negated_conjecture,
    ~ ! [X0,X2,X1] :
        ( ( X0 != X2
          & in(X0,X1) )
      <=> in(X0,set_difference(X1,singleton(X2))) ),
    inference(negated_conjecture,[],[f6]) ).

fof(f6,conjecture,
    ! [X0,X2,X1] :
      ( ( X0 != X2
        & in(X0,X1) )
    <=> in(X0,set_difference(X1,singleton(X2))) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t64_zfmisc_1) ).

fof(f71,plain,
    ( spl9_1
    | ~ spl9_3 ),
    inference(avatar_split_clause,[],[f56,f68,f59]) ).

fof(f56,plain,
    ( sK4 != sK5
    | in(sK4,sF8) ),
    inference(definition_folding,[],[f45,f54,f53]) ).

fof(f45,plain,
    ( in(sK4,set_difference(sK6,singleton(sK5)))
    | sK4 != sK5 ),
    inference(cnf_transformation,[],[f30]) ).

fof(f66,plain,
    ( spl9_1
    | spl9_2 ),
    inference(avatar_split_clause,[],[f57,f63,f59]) ).

fof(f57,plain,
    ( in(sK4,sK6)
    | in(sK4,sF8) ),
    inference(definition_folding,[],[f44,f54,f53]) ).

fof(f44,plain,
    ( in(sK4,set_difference(sK6,singleton(sK5)))
    | in(sK4,sK6) ),
    inference(cnf_transformation,[],[f30]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : SET921+1 : TPTP v8.1.0. Released v3.2.0.
% 0.07/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.13/0.34  % Computer : n006.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 14:29:10 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.19/0.49  % (3801)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=48:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/48Mi)
% 0.19/0.50  % (3800)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/51Mi)
% 0.19/0.50  % (3806)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/50Mi)
% 0.19/0.50  % (3798)ott+4_1:1_av=off:bd=off:nwc=5.0:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=37:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/37Mi)
% 0.19/0.50  % (3810)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/68Mi)
% 0.19/0.51  % (3800)First to succeed.
% 0.19/0.51  % (3810)Also succeeded, but the first one will report.
% 0.19/0.51  % (3800)Refutation found. Thanks to Tanya!
% 0.19/0.51  % SZS status Theorem for theBenchmark
% 0.19/0.51  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.51  % (3800)------------------------------
% 0.19/0.51  % (3800)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.51  % (3800)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.51  % (3800)Termination reason: Refutation
% 0.19/0.51  
% 0.19/0.51  % (3800)Memory used [KB]: 5500
% 0.19/0.51  % (3800)Time elapsed: 0.104 s
% 0.19/0.51  % (3800)Instructions burned: 3 (million)
% 0.19/0.51  % (3800)------------------------------
% 0.19/0.51  % (3800)------------------------------
% 0.19/0.51  % (3792)Success in time 0.161 s
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