TSTP Solution File: SET950+1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SET950+1 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n016.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 15:14:05 EDT 2024

% Result   : Theorem 0.15s 0.52s
% Output   : Refutation 0.15s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   49 (   7 unt;   0 def)
%            Number of atoms       :  198 (  39 equ)
%            Maximal formula atoms :   18 (   4 avg)
%            Number of connectives :  235 (  86   ~;  78   |;  56   &)
%                                         (   8 <=>;   7  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   6 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    7 (   5 usr;   3 prp; 0-3 aty)
%            Number of functors    :   11 (  11 usr;   4 con; 0-3 aty)
%            Number of variables   :  144 ( 113   !;  31   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f401,plain,
    $false,
    inference(avatar_sat_refutation,[],[f388,f392,f400]) ).

fof(f400,plain,
    spl12_2,
    inference(avatar_contradiction_clause,[],[f399]) ).

fof(f399,plain,
    ( $false
    | spl12_2 ),
    inference(subsumption_resolution,[],[f398,f33]) ).

fof(f33,plain,
    in(sK4,sK1),
    inference(cnf_transformation,[],[f20]) ).

fof(f20,plain,
    ( ! [X4,X5] :
        ( ordered_pair(X4,X5) != sK4
        | ~ in(X5,sK3)
        | ~ in(X4,sK2) )
    & in(sK4,sK1)
    & subset(sK1,cartesian_product2(sK2,sK3)) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1,sK2,sK3,sK4])],[f14,f19]) ).

fof(f19,plain,
    ( ? [X0,X1,X2,X3] :
        ( ! [X4,X5] :
            ( ordered_pair(X4,X5) != X3
            | ~ in(X5,X2)
            | ~ in(X4,X1) )
        & in(X3,X0)
        & subset(X0,cartesian_product2(X1,X2)) )
   => ( ! [X5,X4] :
          ( ordered_pair(X4,X5) != sK4
          | ~ in(X5,sK3)
          | ~ in(X4,sK2) )
      & in(sK4,sK1)
      & subset(sK1,cartesian_product2(sK2,sK3)) ) ),
    introduced(choice_axiom,[]) ).

fof(f14,plain,
    ? [X0,X1,X2,X3] :
      ( ! [X4,X5] :
          ( ordered_pair(X4,X5) != X3
          | ~ in(X5,X2)
          | ~ in(X4,X1) )
      & in(X3,X0)
      & subset(X0,cartesian_product2(X1,X2)) ),
    inference(ennf_transformation,[],[f11]) ).

fof(f11,negated_conjecture,
    ~ ! [X0,X1,X2,X3] :
        ~ ( ! [X4,X5] :
              ~ ( ordered_pair(X4,X5) = X3
                & in(X5,X2)
                & in(X4,X1) )
          & in(X3,X0)
          & subset(X0,cartesian_product2(X1,X2)) ),
    inference(negated_conjecture,[],[f10]) ).

fof(f10,conjecture,
    ! [X0,X1,X2,X3] :
      ~ ( ! [X4,X5] :
            ~ ( ordered_pair(X4,X5) = X3
              & in(X5,X2)
              & in(X4,X1) )
        & in(X3,X0)
        & subset(X0,cartesian_product2(X1,X2)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t103_zfmisc_1) ).

fof(f398,plain,
    ( ~ in(sK4,sK1)
    | spl12_2 ),
    inference(resolution,[],[f394,f56]) ).

fof(f56,plain,
    ! [X0] :
      ( in(X0,cartesian_product2(sK2,sK3))
      | ~ in(X0,sK1) ),
    inference(resolution,[],[f40,f32]) ).

fof(f32,plain,
    subset(sK1,cartesian_product2(sK2,sK3)),
    inference(cnf_transformation,[],[f20]) ).

fof(f40,plain,
    ! [X2,X0,X1] :
      ( ~ subset(X0,X1)
      | ~ in(X2,X0)
      | in(X2,X1) ),
    inference(cnf_transformation,[],[f16]) ).

fof(f16,plain,
    ! [X0,X1] :
      ( ! [X2] :
          ( in(X2,X1)
          | ~ in(X2,X0) )
      | ~ subset(X0,X1) ),
    inference(ennf_transformation,[],[f13]) ).

fof(f13,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
     => ! [X2] :
          ( in(X2,X0)
         => in(X2,X1) ) ),
    inference(unused_predicate_definition_removal,[],[f4]) ).

fof(f4,axiom,
    ! [X0,X1] :
      ( subset(X0,X1)
    <=> ! [X2] :
          ( in(X2,X0)
         => in(X2,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_tarski) ).

fof(f394,plain,
    ( ~ in(sK4,cartesian_product2(sK2,sK3))
    | spl12_2 ),
    inference(resolution,[],[f387,f95]) ).

fof(f95,plain,
    ! [X2,X0,X1] :
      ( in(sK9(X2,X1,X0),X2)
      | ~ in(X0,cartesian_product2(X1,X2)) ),
    inference(resolution,[],[f42,f54]) ).

fof(f54,plain,
    ! [X0,X1] : sP0(X1,X0,cartesian_product2(X0,X1)),
    inference(equality_resolution,[],[f49]) ).

fof(f49,plain,
    ! [X2,X0,X1] :
      ( sP0(X1,X0,X2)
      | cartesian_product2(X0,X1) != X2 ),
    inference(cnf_transformation,[],[f27]) ).

fof(f27,plain,
    ! [X0,X1,X2] :
      ( ( cartesian_product2(X0,X1) = X2
        | ~ sP0(X1,X0,X2) )
      & ( sP0(X1,X0,X2)
        | cartesian_product2(X0,X1) != X2 ) ),
    inference(nnf_transformation,[],[f18]) ).

fof(f18,plain,
    ! [X0,X1,X2] :
      ( cartesian_product2(X0,X1) = X2
    <=> sP0(X1,X0,X2) ),
    inference(definition_folding,[],[f3,f17]) ).

fof(f17,plain,
    ! [X1,X0,X2] :
      ( sP0(X1,X0,X2)
    <=> ! [X3] :
          ( in(X3,X2)
        <=> ? [X4,X5] :
              ( ordered_pair(X4,X5) = X3
              & in(X5,X1)
              & in(X4,X0) ) ) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[sP0])]) ).

fof(f3,axiom,
    ! [X0,X1,X2] :
      ( cartesian_product2(X0,X1) = X2
    <=> ! [X3] :
          ( in(X3,X2)
        <=> ? [X4,X5] :
              ( ordered_pair(X4,X5) = X3
              & in(X5,X1)
              & in(X4,X0) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_zfmisc_1) ).

fof(f42,plain,
    ! [X2,X0,X1,X8] :
      ( ~ sP0(X0,X1,X2)
      | ~ in(X8,X2)
      | in(sK9(X0,X1,X8),X0) ),
    inference(cnf_transformation,[],[f26]) ).

fof(f26,plain,
    ! [X0,X1,X2] :
      ( ( sP0(X0,X1,X2)
        | ( ( ! [X4,X5] :
                ( ordered_pair(X4,X5) != sK5(X0,X1,X2)
                | ~ in(X5,X0)
                | ~ in(X4,X1) )
            | ~ in(sK5(X0,X1,X2),X2) )
          & ( ( sK5(X0,X1,X2) = ordered_pair(sK6(X0,X1,X2),sK7(X0,X1,X2))
              & in(sK7(X0,X1,X2),X0)
              & in(sK6(X0,X1,X2),X1) )
            | in(sK5(X0,X1,X2),X2) ) ) )
      & ( ! [X8] :
            ( ( in(X8,X2)
              | ! [X9,X10] :
                  ( ordered_pair(X9,X10) != X8
                  | ~ in(X10,X0)
                  | ~ in(X9,X1) ) )
            & ( ( ordered_pair(sK8(X0,X1,X8),sK9(X0,X1,X8)) = X8
                & in(sK9(X0,X1,X8),X0)
                & in(sK8(X0,X1,X8),X1) )
              | ~ in(X8,X2) ) )
        | ~ sP0(X0,X1,X2) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK5,sK6,sK7,sK8,sK9])],[f22,f25,f24,f23]) ).

fof(f23,plain,
    ! [X0,X1,X2] :
      ( ? [X3] :
          ( ( ! [X4,X5] :
                ( ordered_pair(X4,X5) != X3
                | ~ in(X5,X0)
                | ~ in(X4,X1) )
            | ~ in(X3,X2) )
          & ( ? [X6,X7] :
                ( ordered_pair(X6,X7) = X3
                & in(X7,X0)
                & in(X6,X1) )
            | in(X3,X2) ) )
     => ( ( ! [X5,X4] :
              ( ordered_pair(X4,X5) != sK5(X0,X1,X2)
              | ~ in(X5,X0)
              | ~ in(X4,X1) )
          | ~ in(sK5(X0,X1,X2),X2) )
        & ( ? [X7,X6] :
              ( ordered_pair(X6,X7) = sK5(X0,X1,X2)
              & in(X7,X0)
              & in(X6,X1) )
          | in(sK5(X0,X1,X2),X2) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f24,plain,
    ! [X0,X1,X2] :
      ( ? [X7,X6] :
          ( ordered_pair(X6,X7) = sK5(X0,X1,X2)
          & in(X7,X0)
          & in(X6,X1) )
     => ( sK5(X0,X1,X2) = ordered_pair(sK6(X0,X1,X2),sK7(X0,X1,X2))
        & in(sK7(X0,X1,X2),X0)
        & in(sK6(X0,X1,X2),X1) ) ),
    introduced(choice_axiom,[]) ).

fof(f25,plain,
    ! [X0,X1,X8] :
      ( ? [X11,X12] :
          ( ordered_pair(X11,X12) = X8
          & in(X12,X0)
          & in(X11,X1) )
     => ( ordered_pair(sK8(X0,X1,X8),sK9(X0,X1,X8)) = X8
        & in(sK9(X0,X1,X8),X0)
        & in(sK8(X0,X1,X8),X1) ) ),
    introduced(choice_axiom,[]) ).

fof(f22,plain,
    ! [X0,X1,X2] :
      ( ( sP0(X0,X1,X2)
        | ? [X3] :
            ( ( ! [X4,X5] :
                  ( ordered_pair(X4,X5) != X3
                  | ~ in(X5,X0)
                  | ~ in(X4,X1) )
              | ~ in(X3,X2) )
            & ( ? [X6,X7] :
                  ( ordered_pair(X6,X7) = X3
                  & in(X7,X0)
                  & in(X6,X1) )
              | in(X3,X2) ) ) )
      & ( ! [X8] :
            ( ( in(X8,X2)
              | ! [X9,X10] :
                  ( ordered_pair(X9,X10) != X8
                  | ~ in(X10,X0)
                  | ~ in(X9,X1) ) )
            & ( ? [X11,X12] :
                  ( ordered_pair(X11,X12) = X8
                  & in(X12,X0)
                  & in(X11,X1) )
              | ~ in(X8,X2) ) )
        | ~ sP0(X0,X1,X2) ) ),
    inference(rectify,[],[f21]) ).

fof(f21,plain,
    ! [X1,X0,X2] :
      ( ( sP0(X1,X0,X2)
        | ? [X3] :
            ( ( ! [X4,X5] :
                  ( ordered_pair(X4,X5) != X3
                  | ~ in(X5,X1)
                  | ~ in(X4,X0) )
              | ~ in(X3,X2) )
            & ( ? [X4,X5] :
                  ( ordered_pair(X4,X5) = X3
                  & in(X5,X1)
                  & in(X4,X0) )
              | in(X3,X2) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X2)
              | ! [X4,X5] :
                  ( ordered_pair(X4,X5) != X3
                  | ~ in(X5,X1)
                  | ~ in(X4,X0) ) )
            & ( ? [X4,X5] :
                  ( ordered_pair(X4,X5) = X3
                  & in(X5,X1)
                  & in(X4,X0) )
              | ~ in(X3,X2) ) )
        | ~ sP0(X1,X0,X2) ) ),
    inference(nnf_transformation,[],[f17]) ).

fof(f387,plain,
    ( ~ in(sK9(sK3,sK2,sK4),sK3)
    | spl12_2 ),
    inference(avatar_component_clause,[],[f385]) ).

fof(f385,plain,
    ( spl12_2
  <=> in(sK9(sK3,sK2,sK4),sK3) ),
    introduced(avatar_definition,[new_symbols(naming,[spl12_2])]) ).

fof(f392,plain,
    spl12_1,
    inference(avatar_contradiction_clause,[],[f391]) ).

fof(f391,plain,
    ( $false
    | spl12_1 ),
    inference(subsumption_resolution,[],[f390,f33]) ).

fof(f390,plain,
    ( ~ in(sK4,sK1)
    | spl12_1 ),
    inference(resolution,[],[f389,f56]) ).

fof(f389,plain,
    ( ~ in(sK4,cartesian_product2(sK2,sK3))
    | spl12_1 ),
    inference(resolution,[],[f383,f93]) ).

fof(f93,plain,
    ! [X2,X0,X1] :
      ( in(sK8(X2,X1,X0),X1)
      | ~ in(X0,cartesian_product2(X1,X2)) ),
    inference(resolution,[],[f41,f54]) ).

fof(f41,plain,
    ! [X2,X0,X1,X8] :
      ( ~ sP0(X0,X1,X2)
      | ~ in(X8,X2)
      | in(sK8(X0,X1,X8),X1) ),
    inference(cnf_transformation,[],[f26]) ).

fof(f383,plain,
    ( ~ in(sK8(sK3,sK2,sK4),sK2)
    | spl12_1 ),
    inference(avatar_component_clause,[],[f381]) ).

fof(f381,plain,
    ( spl12_1
  <=> in(sK8(sK3,sK2,sK4),sK2) ),
    introduced(avatar_definition,[new_symbols(naming,[spl12_1])]) ).

fof(f388,plain,
    ( ~ spl12_1
    | ~ spl12_2 ),
    inference(avatar_split_clause,[],[f371,f385,f381]) ).

fof(f371,plain,
    ( ~ in(sK9(sK3,sK2,sK4),sK3)
    | ~ in(sK8(sK3,sK2,sK4),sK2) ),
    inference(trivial_inequality_removal,[],[f359]) ).

fof(f359,plain,
    ( sK4 != sK4
    | ~ in(sK9(sK3,sK2,sK4),sK3)
    | ~ in(sK8(sK3,sK2,sK4),sK2) ),
    inference(superposition,[],[f34,f352]) ).

fof(f352,plain,
    sK4 = ordered_pair(sK8(sK3,sK2,sK4),sK9(sK3,sK2,sK4)),
    inference(resolution,[],[f344,f33]) ).

fof(f344,plain,
    ! [X0] :
      ( ~ in(X0,sK1)
      | ordered_pair(sK8(sK3,sK2,X0),sK9(sK3,sK2,X0)) = X0 ),
    inference(resolution,[],[f343,f56]) ).

fof(f343,plain,
    ! [X2,X0,X1] :
      ( ~ in(X0,cartesian_product2(X1,X2))
      | ordered_pair(sK8(X2,X1,X0),sK9(X2,X1,X0)) = X0 ),
    inference(resolution,[],[f43,f54]) ).

fof(f43,plain,
    ! [X2,X0,X1,X8] :
      ( ~ sP0(X0,X1,X2)
      | ~ in(X8,X2)
      | ordered_pair(sK8(X0,X1,X8),sK9(X0,X1,X8)) = X8 ),
    inference(cnf_transformation,[],[f26]) ).

fof(f34,plain,
    ! [X4,X5] :
      ( ordered_pair(X4,X5) != sK4
      | ~ in(X5,sK3)
      | ~ in(X4,sK2) ),
    inference(cnf_transformation,[],[f20]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.26  % Problem    : SET950+1 : TPTP v8.1.2. Released v3.2.0.
% 0.13/0.28  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.15/0.48  % Computer : n016.cluster.edu
% 0.15/0.48  % Model    : x86_64 x86_64
% 0.15/0.48  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.48  % Memory   : 8042.1875MB
% 0.15/0.48  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.49  % CPULimit   : 300
% 0.15/0.49  % WCLimit    : 300
% 0.15/0.49  % DateTime   : Tue Apr 30 01:50:26 EDT 2024
% 0.15/0.49  % CPUTime    : 
% 0.15/0.49  % (16128)Running in auto input_syntax mode. Trying TPTP
% 0.15/0.50  % (16131)WARNING: value z3 for option sas not known
% 0.15/0.50  % (16131)dis+2_11_add=large:afr=on:amm=off:bd=off:bce=on:fsd=off:fde=none:gs=on:gsaa=full_model:gsem=off:irw=on:msp=off:nm=4:nwc=1.3:sas=z3:sims=off:sac=on:sp=reverse_arity_569 on theBenchmark for (569ds/0Mi)
% 0.15/0.51  % (16129)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.15/0.51  % (16130)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.15/0.51  % (16132)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.15/0.51  % (16133)ott+10_10:1_add=off:afr=on:amm=off:anc=all:bd=off:bs=on:fsr=off:irw=on:lma=on:msp=off:nm=4:nwc=4.0:sac=on:sp=reverse_frequency_531 on theBenchmark for (531ds/0Mi)
% 0.15/0.51  % (16134)ott-10_8_av=off:bd=preordered:bs=on:fsd=off:fsr=off:fde=unused:irw=on:lcm=predicate:lma=on:nm=4:nwc=1.7:sp=frequency_522 on theBenchmark for (522ds/0Mi)
% 0.15/0.51  % (16135)ott+1_64_av=off:bd=off:bce=on:fsd=off:fde=unused:gsp=on:irw=on:lcm=predicate:lma=on:nm=2:nwc=1.1:sims=off:urr=on_497 on theBenchmark for (497ds/0Mi)
% 0.15/0.51  TRYING [1]
% 0.15/0.51  TRYING [2]
% 0.15/0.52  TRYING [1]
% 0.15/0.52  TRYING [3]
% 0.15/0.52  TRYING [1]
% 0.15/0.52  TRYING [2]
% 0.15/0.52  TRYING [2]
% 0.15/0.52  % (16131)First to succeed.
% 0.15/0.52  % (16135)Also succeeded, but the first one will report.
% 0.15/0.52  % (16131)Refutation found. Thanks to Tanya!
% 0.15/0.52  % SZS status Theorem for theBenchmark
% 0.15/0.52  % SZS output start Proof for theBenchmark
% See solution above
% 0.15/0.52  % (16131)------------------------------
% 0.15/0.52  % (16131)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.15/0.52  % (16131)Termination reason: Refutation
% 0.15/0.52  
% 0.15/0.52  % (16131)Memory used [KB]: 983
% 0.15/0.52  % (16131)Time elapsed: 0.017 s
% 0.15/0.52  % (16131)Instructions burned: 32 (million)
% 0.15/0.52  % (16131)------------------------------
% 0.15/0.52  % (16131)------------------------------
% 0.15/0.52  % (16128)Success in time 0.019 s
%------------------------------------------------------------------------------