TSTP Solution File: SEU150+2 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SEU150+2 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n023.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 15:22:37 EDT 2024

% Result   : Theorem 0.14s 0.33s
% Output   : Refutation 0.14s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   39 (  15 unt;   0 def)
%            Number of atoms       :  162 (  96 equ)
%            Maximal formula atoms :   14 (   4 avg)
%            Number of connectives :  192 (  69   ~;  71   |;  40   &)
%                                         (   7 <=>;   5  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-3 aty)
%            Number of functors    :    7 (   7 usr;   3 con; 0-3 aty)
%            Number of variables   :   89 (  76   !;  13   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f476,plain,
    $false,
    inference(trivial_inequality_removal,[],[f475]) ).

fof(f475,plain,
    sK5 != sK5,
    inference(superposition,[],[f187,f464]) ).

fof(f464,plain,
    sK5 = sK6,
    inference(resolution,[],[f459,f312]) ).

fof(f312,plain,
    ! [X3,X0] :
      ( ~ in(X3,singleton(X0))
      | X0 = X3 ),
    inference(equality_resolution,[],[f263]) ).

fof(f263,plain,
    ! [X3,X0,X1] :
      ( X0 = X3
      | ~ in(X3,X1)
      | singleton(X0) != X1 ),
    inference(cnf_transformation,[],[f157]) ).

fof(f157,plain,
    ! [X0,X1] :
      ( ( singleton(X0) = X1
        | ( ( sK13(X0,X1) != X0
            | ~ in(sK13(X0,X1),X1) )
          & ( sK13(X0,X1) = X0
            | in(sK13(X0,X1),X1) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X1)
              | X0 != X3 )
            & ( X0 = X3
              | ~ in(X3,X1) ) )
        | singleton(X0) != X1 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK13])],[f155,f156]) ).

fof(f156,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ( X0 != X2
            | ~ in(X2,X1) )
          & ( X0 = X2
            | in(X2,X1) ) )
     => ( ( sK13(X0,X1) != X0
          | ~ in(sK13(X0,X1),X1) )
        & ( sK13(X0,X1) = X0
          | in(sK13(X0,X1),X1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f155,plain,
    ! [X0,X1] :
      ( ( singleton(X0) = X1
        | ? [X2] :
            ( ( X0 != X2
              | ~ in(X2,X1) )
            & ( X0 = X2
              | in(X2,X1) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X1)
              | X0 != X3 )
            & ( X0 = X3
              | ~ in(X3,X1) ) )
        | singleton(X0) != X1 ) ),
    inference(rectify,[],[f154]) ).

fof(f154,plain,
    ! [X0,X1] :
      ( ( singleton(X0) = X1
        | ? [X2] :
            ( ( X0 != X2
              | ~ in(X2,X1) )
            & ( X0 = X2
              | in(X2,X1) ) ) )
      & ( ! [X2] :
            ( ( in(X2,X1)
              | X0 != X2 )
            & ( X0 = X2
              | ~ in(X2,X1) ) )
        | singleton(X0) != X1 ) ),
    inference(nnf_transformation,[],[f7]) ).

fof(f7,axiom,
    ! [X0,X1] :
      ( singleton(X0) = X1
    <=> ! [X2] :
          ( in(X2,X1)
        <=> X0 = X2 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_tarski) ).

fof(f459,plain,
    in(sK5,singleton(sK6)),
    inference(backward_demodulation,[],[f455,f456]) ).

fof(f456,plain,
    sK4 = sK6,
    inference(resolution,[],[f454,f312]) ).

fof(f454,plain,
    in(sK6,singleton(sK4)),
    inference(resolution,[],[f313,f346]) ).

fof(f346,plain,
    sP0(sK6,sK5,singleton(sK4)),
    inference(superposition,[],[f315,f186]) ).

fof(f186,plain,
    singleton(sK4) = unordered_pair(sK5,sK6),
    inference(cnf_transformation,[],[f125]) ).

fof(f125,plain,
    ( sK5 != sK6
    & singleton(sK4) = unordered_pair(sK5,sK6) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK4,sK5,sK6])],[f82,f124]) ).

fof(f124,plain,
    ( ? [X0,X1,X2] :
        ( X1 != X2
        & singleton(X0) = unordered_pair(X1,X2) )
   => ( sK5 != sK6
      & singleton(sK4) = unordered_pair(sK5,sK6) ) ),
    introduced(choice_axiom,[]) ).

fof(f82,plain,
    ? [X0,X1,X2] :
      ( X1 != X2
      & singleton(X0) = unordered_pair(X1,X2) ),
    inference(ennf_transformation,[],[f74]) ).

fof(f74,negated_conjecture,
    ~ ! [X0,X1,X2] :
        ( singleton(X0) = unordered_pair(X1,X2)
       => X1 = X2 ),
    inference(negated_conjecture,[],[f73]) ).

fof(f73,conjecture,
    ! [X0,X1,X2] :
      ( singleton(X0) = unordered_pair(X1,X2)
     => X1 = X2 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t9_zfmisc_1) ).

fof(f315,plain,
    ! [X0,X1] : sP0(X1,X0,unordered_pair(X0,X1)),
    inference(equality_resolution,[],[f275]) ).

fof(f275,plain,
    ! [X2,X0,X1] :
      ( sP0(X1,X0,X2)
      | unordered_pair(X0,X1) != X2 ),
    inference(cnf_transformation,[],[f163]) ).

fof(f163,plain,
    ! [X0,X1,X2] :
      ( ( unordered_pair(X0,X1) = X2
        | ~ sP0(X1,X0,X2) )
      & ( sP0(X1,X0,X2)
        | unordered_pair(X0,X1) != X2 ) ),
    inference(nnf_transformation,[],[f117]) ).

fof(f117,plain,
    ! [X0,X1,X2] :
      ( unordered_pair(X0,X1) = X2
    <=> sP0(X1,X0,X2) ),
    inference(definition_folding,[],[f10,f116]) ).

fof(f116,plain,
    ! [X1,X0,X2] :
      ( sP0(X1,X0,X2)
    <=> ! [X3] :
          ( in(X3,X2)
        <=> ( X1 = X3
            | X0 = X3 ) ) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[sP0])]) ).

fof(f10,axiom,
    ! [X0,X1,X2] :
      ( unordered_pair(X0,X1) = X2
    <=> ! [X3] :
          ( in(X3,X2)
        <=> ( X1 = X3
            | X0 = X3 ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d2_tarski) ).

fof(f313,plain,
    ! [X2,X1,X4] :
      ( ~ sP0(X4,X1,X2)
      | in(X4,X2) ),
    inference(equality_resolution,[],[f271]) ).

fof(f271,plain,
    ! [X2,X0,X1,X4] :
      ( in(X4,X2)
      | X0 != X4
      | ~ sP0(X0,X1,X2) ),
    inference(cnf_transformation,[],[f162]) ).

fof(f162,plain,
    ! [X0,X1,X2] :
      ( ( sP0(X0,X1,X2)
        | ( ( ( sK14(X0,X1,X2) != X0
              & sK14(X0,X1,X2) != X1 )
            | ~ in(sK14(X0,X1,X2),X2) )
          & ( sK14(X0,X1,X2) = X0
            | sK14(X0,X1,X2) = X1
            | in(sK14(X0,X1,X2),X2) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X2)
              | ( X0 != X4
                & X1 != X4 ) )
            & ( X0 = X4
              | X1 = X4
              | ~ in(X4,X2) ) )
        | ~ sP0(X0,X1,X2) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK14])],[f160,f161]) ).

fof(f161,plain,
    ! [X0,X1,X2] :
      ( ? [X3] :
          ( ( ( X0 != X3
              & X1 != X3 )
            | ~ in(X3,X2) )
          & ( X0 = X3
            | X1 = X3
            | in(X3,X2) ) )
     => ( ( ( sK14(X0,X1,X2) != X0
            & sK14(X0,X1,X2) != X1 )
          | ~ in(sK14(X0,X1,X2),X2) )
        & ( sK14(X0,X1,X2) = X0
          | sK14(X0,X1,X2) = X1
          | in(sK14(X0,X1,X2),X2) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f160,plain,
    ! [X0,X1,X2] :
      ( ( sP0(X0,X1,X2)
        | ? [X3] :
            ( ( ( X0 != X3
                & X1 != X3 )
              | ~ in(X3,X2) )
            & ( X0 = X3
              | X1 = X3
              | in(X3,X2) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X2)
              | ( X0 != X4
                & X1 != X4 ) )
            & ( X0 = X4
              | X1 = X4
              | ~ in(X4,X2) ) )
        | ~ sP0(X0,X1,X2) ) ),
    inference(rectify,[],[f159]) ).

fof(f159,plain,
    ! [X1,X0,X2] :
      ( ( sP0(X1,X0,X2)
        | ? [X3] :
            ( ( ( X1 != X3
                & X0 != X3 )
              | ~ in(X3,X2) )
            & ( X1 = X3
              | X0 = X3
              | in(X3,X2) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X2)
              | ( X1 != X3
                & X0 != X3 ) )
            & ( X1 = X3
              | X0 = X3
              | ~ in(X3,X2) ) )
        | ~ sP0(X1,X0,X2) ) ),
    inference(flattening,[],[f158]) ).

fof(f158,plain,
    ! [X1,X0,X2] :
      ( ( sP0(X1,X0,X2)
        | ? [X3] :
            ( ( ( X1 != X3
                & X0 != X3 )
              | ~ in(X3,X2) )
            & ( X1 = X3
              | X0 = X3
              | in(X3,X2) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X2)
              | ( X1 != X3
                & X0 != X3 ) )
            & ( X1 = X3
              | X0 = X3
              | ~ in(X3,X2) ) )
        | ~ sP0(X1,X0,X2) ) ),
    inference(nnf_transformation,[],[f116]) ).

fof(f455,plain,
    in(sK5,singleton(sK4)),
    inference(resolution,[],[f313,f368]) ).

fof(f368,plain,
    sP0(sK5,sK6,singleton(sK4)),
    inference(superposition,[],[f366,f186]) ).

fof(f366,plain,
    ! [X0,X1] : sP0(X1,X0,unordered_pair(X1,X0)),
    inference(superposition,[],[f315,f240]) ).

fof(f240,plain,
    ! [X0,X1] : unordered_pair(X0,X1) = unordered_pair(X1,X0),
    inference(cnf_transformation,[],[f3]) ).

fof(f3,axiom,
    ! [X0,X1] : unordered_pair(X0,X1) = unordered_pair(X1,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutativity_k2_tarski) ).

fof(f187,plain,
    sK5 != sK6,
    inference(cnf_transformation,[],[f125]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.09  % Problem    : SEU150+2 : TPTP v8.1.2. Released v3.3.0.
% 0.00/0.10  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.10/0.30  % Computer : n023.cluster.edu
% 0.10/0.30  % Model    : x86_64 x86_64
% 0.10/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.30  % Memory   : 8042.1875MB
% 0.10/0.30  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.30  % CPULimit   : 300
% 0.10/0.30  % WCLimit    : 300
% 0.10/0.30  % DateTime   : Mon Apr 29 21:03:10 EDT 2024
% 0.10/0.30  % CPUTime    : 
% 0.10/0.30  % (14673)Running in auto input_syntax mode. Trying TPTP
% 0.14/0.31  % (14676)WARNING: value z3 for option sas not known
% 0.14/0.32  % (14680)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)
% 0.14/0.32  % (14679)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)
% 0.14/0.32  % (14674)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.14/0.32  % (14675)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.14/0.32  % (14676)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)
% 0.14/0.32  % (14678)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)
% 0.14/0.32  % (14677)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.14/0.32  TRYING [1]
% 0.14/0.32  TRYING [2]
% 0.14/0.32  % (14679)First to succeed.
% 0.14/0.33  % (14676)Also succeeded, but the first one will report.
% 0.14/0.33  % (14679)Refutation found. Thanks to Tanya!
% 0.14/0.33  % SZS status Theorem for theBenchmark
% 0.14/0.33  % SZS output start Proof for theBenchmark
% See solution above
% 0.14/0.33  % (14679)------------------------------
% 0.14/0.33  % (14679)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.14/0.33  % (14679)Termination reason: Refutation
% 0.14/0.33  
% 0.14/0.33  % (14679)Memory used [KB]: 949
% 0.14/0.33  % (14679)Time elapsed: 0.010 s
% 0.14/0.33  % (14679)Instructions burned: 16 (million)
% 0.14/0.33  % (14679)------------------------------
% 0.14/0.33  % (14679)------------------------------
% 0.14/0.33  % (14673)Success in time 0.026 s
%------------------------------------------------------------------------------