TSTP Solution File: NLP147+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : NLP147+1 : TPTP v8.1.0. Released v2.4.0.
% 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 : n008.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 17:55:43 EDT 2022

% Result   : Theorem 0.19s 0.53s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   25
%            Number of leaves      :   17
% Syntax   : Number of formulae    :   90 (  15 unt;   0 def)
%            Number of atoms       :  580 (  51 equ)
%            Maximal formula atoms :   36 (   6 avg)
%            Number of connectives :  582 (  92   ~;  77   |; 364   &)
%                                         (   3 <=>;  46  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   29 (   8 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :   35 (  33 usr;   1 prp; 0-4 aty)
%            Number of functors    :   11 (  11 usr;   6 con; 0-4 aty)
%            Number of variables   :  310 ( 169   !; 141   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f482,plain,
    $false,
    inference(subsumption_resolution,[],[f471,f367]) ).

fof(f367,plain,
    ~ unisex(sK5,sK1(sK5,sK4)),
    inference(resolution,[],[f365,f259]) ).

fof(f259,plain,
    ! [X0,X1] :
      ( ~ male(X0,X1)
      | ~ unisex(X0,X1) ),
    inference(cnf_transformation,[],[f200]) ).

fof(f200,plain,
    ! [X0,X1] :
      ( ~ unisex(X0,X1)
      | ~ male(X0,X1) ),
    inference(rectify,[],[f119]) ).

fof(f119,plain,
    ! [X1,X0] :
      ( ~ unisex(X1,X0)
      | ~ male(X1,X0) ),
    inference(ennf_transformation,[],[f95]) ).

fof(f95,plain,
    ! [X1,X0] :
      ( unisex(X1,X0)
     => ~ male(X1,X0) ),
    inference(rectify,[],[f56]) ).

fof(f56,axiom,
    ! [X1,X0] :
      ( unisex(X0,X1)
     => ~ male(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax56) ).

fof(f365,plain,
    male(sK5,sK1(sK5,sK4)),
    inference(resolution,[],[f364,f258]) ).

fof(f258,plain,
    ! [X0,X1] :
      ( ~ man(X0,X1)
      | male(X0,X1) ),
    inference(cnf_transformation,[],[f199]) ).

fof(f199,plain,
    ! [X0,X1] :
      ( male(X0,X1)
      | ~ man(X0,X1) ),
    inference(rectify,[],[f169]) ).

fof(f169,plain,
    ! [X1,X0] :
      ( male(X1,X0)
      | ~ man(X1,X0) ),
    inference(ennf_transformation,[],[f69]) ).

fof(f69,plain,
    ! [X1,X0] :
      ( man(X1,X0)
     => male(X1,X0) ),
    inference(rectify,[],[f37]) ).

fof(f37,axiom,
    ! [X1,X0] :
      ( man(X0,X1)
     => male(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax37) ).

fof(f364,plain,
    man(sK5,sK1(sK5,sK4)),
    inference(resolution,[],[f362,f269]) ).

fof(f269,plain,
    ! [X0,X1] :
      ( ~ fellow(X1,X0)
      | man(X1,X0) ),
    inference(cnf_transformation,[],[f141]) ).

fof(f141,plain,
    ! [X0,X1] :
      ( man(X1,X0)
      | ~ fellow(X1,X0) ),
    inference(ennf_transformation,[],[f101]) ).

fof(f101,plain,
    ! [X1,X0] :
      ( fellow(X1,X0)
     => man(X1,X0) ),
    inference(rectify,[],[f49]) ).

fof(f49,axiom,
    ! [X1,X0] :
      ( fellow(X0,X1)
     => man(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax49) ).

fof(f362,plain,
    fellow(sK5,sK1(sK5,sK4)),
    inference(subsumption_resolution,[],[f358,f278]) ).

fof(f278,plain,
    two(sK5,sK4),
    inference(cnf_transformation,[],[f214]) ).

fof(f214,plain,
    ( ! [X6] :
        ( ( fellow(sK5,X6)
          & young(sK5,X6) )
        | ~ member(sK5,X6,sK4) )
    & old(sK5,sK6)
    & of(sK5,sK7,sK6)
    & chevy(sK5,sK6)
    & street(sK5,sK8)
    & event(sK5,sK3)
    & hollywood_placename(sK5,sK7)
    & ! [X7] :
        ( ( be(sK5,sK10(X7),X7,sK9(X7))
          & state(sK5,sK10(X7))
          & frontseat(sK5,sK9(X7)) )
        | ~ member(sK5,X7,sK4) )
    & placename(sK5,sK7)
    & barrel(sK5,sK3)
    & city(sK5,sK6)
    & two(sK5,sK4)
    & group(sK5,sK4) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3,sK4,sK5,sK6,sK7,sK8,sK9,sK10])],[f211,f213,f212]) ).

fof(f212,plain,
    ( ? [X0,X1,X2,X3,X4,X5] :
        ( ! [X6] :
            ( ( fellow(X2,X6)
              & young(X2,X6) )
            | ~ member(X2,X6,X1) )
        & old(X2,X3)
        & of(X2,X4,X3)
        & chevy(X2,X3)
        & street(X2,X5)
        & event(X2,X0)
        & hollywood_placename(X2,X4)
        & ! [X7] :
            ( ? [X8,X9] :
                ( be(X2,X9,X7,X8)
                & state(X2,X9)
                & frontseat(X2,X8) )
            | ~ member(X2,X7,X1) )
        & placename(X2,X4)
        & barrel(X2,X0)
        & city(X2,X3)
        & two(X2,X1)
        & group(X2,X1) )
   => ( ! [X6] :
          ( ( fellow(sK5,X6)
            & young(sK5,X6) )
          | ~ member(sK5,X6,sK4) )
      & old(sK5,sK6)
      & of(sK5,sK7,sK6)
      & chevy(sK5,sK6)
      & street(sK5,sK8)
      & event(sK5,sK3)
      & hollywood_placename(sK5,sK7)
      & ! [X7] :
          ( ? [X9,X8] :
              ( be(sK5,X9,X7,X8)
              & state(sK5,X9)
              & frontseat(sK5,X8) )
          | ~ member(sK5,X7,sK4) )
      & placename(sK5,sK7)
      & barrel(sK5,sK3)
      & city(sK5,sK6)
      & two(sK5,sK4)
      & group(sK5,sK4) ) ),
    introduced(choice_axiom,[]) ).

fof(f213,plain,
    ! [X7] :
      ( ? [X9,X8] :
          ( be(sK5,X9,X7,X8)
          & state(sK5,X9)
          & frontseat(sK5,X8) )
     => ( be(sK5,sK10(X7),X7,sK9(X7))
        & state(sK5,sK10(X7))
        & frontseat(sK5,sK9(X7)) ) ),
    introduced(choice_axiom,[]) ).

fof(f211,plain,
    ? [X0,X1,X2,X3,X4,X5] :
      ( ! [X6] :
          ( ( fellow(X2,X6)
            & young(X2,X6) )
          | ~ member(X2,X6,X1) )
      & old(X2,X3)
      & of(X2,X4,X3)
      & chevy(X2,X3)
      & street(X2,X5)
      & event(X2,X0)
      & hollywood_placename(X2,X4)
      & ! [X7] :
          ( ? [X8,X9] :
              ( be(X2,X9,X7,X8)
              & state(X2,X9)
              & frontseat(X2,X8) )
          | ~ member(X2,X7,X1) )
      & placename(X2,X4)
      & barrel(X2,X0)
      & city(X2,X3)
      & two(X2,X1)
      & group(X2,X1) ),
    inference(rectify,[],[f165]) ).

fof(f165,plain,
    ? [X2,X1,X0,X3,X5,X4] :
      ( ! [X9] :
          ( ( fellow(X0,X9)
            & young(X0,X9) )
          | ~ member(X0,X9,X1) )
      & old(X0,X3)
      & of(X0,X5,X3)
      & chevy(X0,X3)
      & street(X0,X4)
      & event(X0,X2)
      & hollywood_placename(X0,X5)
      & ! [X6] :
          ( ? [X7,X8] :
              ( be(X0,X8,X6,X7)
              & state(X0,X8)
              & frontseat(X0,X7) )
          | ~ member(X0,X6,X1) )
      & placename(X0,X5)
      & barrel(X0,X2)
      & city(X0,X3)
      & two(X0,X1)
      & group(X0,X1) ),
    inference(ennf_transformation,[],[f111]) ).

fof(f111,plain,
    ? [X0,X3,X2,X5,X1,X4] :
      ( barrel(X0,X2)
      & ! [X9] :
          ( member(X0,X9,X1)
         => ( fellow(X0,X9)
            & young(X0,X9) ) )
      & street(X0,X4)
      & of(X0,X5,X3)
      & chevy(X0,X3)
      & group(X0,X1)
      & placename(X0,X5)
      & old(X0,X3)
      & city(X0,X3)
      & ! [X6] :
          ( member(X0,X6,X1)
         => ? [X7,X8] :
              ( be(X0,X8,X6,X7)
              & state(X0,X8)
              & frontseat(X0,X7) ) )
      & two(X0,X1)
      & hollywood_placename(X0,X5)
      & event(X0,X2) ),
    inference(pure_predicate_removal,[],[f110]) ).

fof(f110,plain,
    ? [X0] :
      ( ? [X3,X2,X5,X1,X4] :
          ( barrel(X0,X2)
          & ! [X9] :
              ( member(X0,X9,X1)
             => ( fellow(X0,X9)
                & young(X0,X9) ) )
          & street(X0,X4)
          & of(X0,X5,X3)
          & chevy(X0,X3)
          & group(X0,X1)
          & placename(X0,X5)
          & old(X0,X3)
          & city(X0,X3)
          & ! [X6] :
              ( member(X0,X6,X1)
             => ? [X7,X8] :
                  ( be(X0,X8,X6,X7)
                  & state(X0,X8)
                  & frontseat(X0,X7) ) )
          & two(X0,X1)
          & hollywood_placename(X0,X5)
          & event(X0,X2) )
      & actual_world(X0) ),
    inference(pure_predicate_removal,[],[f109]) ).

fof(f109,plain,
    ? [X0] :
      ( ? [X3,X2,X5,X1,X4] :
          ( barrel(X0,X2)
          & ! [X9] :
              ( member(X0,X9,X1)
             => ( fellow(X0,X9)
                & young(X0,X9) ) )
          & lonely(X0,X4)
          & street(X0,X4)
          & of(X0,X5,X3)
          & chevy(X0,X3)
          & group(X0,X1)
          & placename(X0,X5)
          & old(X0,X3)
          & city(X0,X3)
          & ! [X6] :
              ( member(X0,X6,X1)
             => ? [X7,X8] :
                  ( be(X0,X8,X6,X7)
                  & state(X0,X8)
                  & frontseat(X0,X7) ) )
          & two(X0,X1)
          & hollywood_placename(X0,X5)
          & event(X0,X2) )
      & actual_world(X0) ),
    inference(pure_predicate_removal,[],[f108]) ).

fof(f108,plain,
    ? [X0] :
      ( ? [X3,X2,X5,X1,X4] :
          ( barrel(X0,X2)
          & ! [X9] :
              ( member(X0,X9,X1)
             => ( fellow(X0,X9)
                & young(X0,X9) ) )
          & lonely(X0,X4)
          & street(X0,X4)
          & of(X0,X5,X3)
          & chevy(X0,X3)
          & group(X0,X1)
          & placename(X0,X5)
          & old(X0,X3)
          & city(X0,X3)
          & ! [X6] :
              ( member(X0,X6,X1)
             => ? [X7,X8] :
                  ( be(X0,X8,X6,X7)
                  & state(X0,X8)
                  & frontseat(X0,X7) ) )
          & two(X0,X1)
          & white(X0,X3)
          & hollywood_placename(X0,X5)
          & event(X0,X2) )
      & actual_world(X0) ),
    inference(pure_predicate_removal,[],[f107]) ).

fof(f107,plain,
    ? [X0] :
      ( ? [X3,X2,X5,X1,X4] :
          ( barrel(X0,X2)
          & ! [X9] :
              ( member(X0,X9,X1)
             => ( fellow(X0,X9)
                & young(X0,X9) ) )
          & lonely(X0,X4)
          & street(X0,X4)
          & of(X0,X5,X3)
          & chevy(X0,X3)
          & group(X0,X1)
          & placename(X0,X5)
          & old(X0,X3)
          & dirty(X0,X3)
          & city(X0,X3)
          & ! [X6] :
              ( member(X0,X6,X1)
             => ? [X7,X8] :
                  ( be(X0,X8,X6,X7)
                  & state(X0,X8)
                  & frontseat(X0,X7) ) )
          & two(X0,X1)
          & white(X0,X3)
          & hollywood_placename(X0,X5)
          & event(X0,X2) )
      & actual_world(X0) ),
    inference(pure_predicate_removal,[],[f106]) ).

fof(f106,plain,
    ? [X0] :
      ( ? [X3,X2,X5,X1,X4] :
          ( barrel(X0,X2)
          & ! [X9] :
              ( member(X0,X9,X1)
             => ( fellow(X0,X9)
                & young(X0,X9) ) )
          & lonely(X0,X4)
          & street(X0,X4)
          & of(X0,X5,X3)
          & chevy(X0,X3)
          & group(X0,X1)
          & placename(X0,X5)
          & old(X0,X3)
          & dirty(X0,X3)
          & city(X0,X3)
          & ! [X6] :
              ( member(X0,X6,X1)
             => ? [X7,X8] :
                  ( be(X0,X8,X6,X7)
                  & state(X0,X8)
                  & frontseat(X0,X7) ) )
          & two(X0,X1)
          & white(X0,X3)
          & hollywood_placename(X0,X5)
          & agent(X0,X2,X3)
          & event(X0,X2) )
      & actual_world(X0) ),
    inference(pure_predicate_removal,[],[f105]) ).

fof(f105,plain,
    ? [X0] :
      ( ? [X3,X2,X5,X1,X4] :
          ( barrel(X0,X2)
          & ! [X9] :
              ( member(X0,X9,X1)
             => ( fellow(X0,X9)
                & young(X0,X9) ) )
          & lonely(X0,X4)
          & street(X0,X4)
          & of(X0,X5,X3)
          & chevy(X0,X3)
          & group(X0,X1)
          & placename(X0,X5)
          & old(X0,X3)
          & dirty(X0,X3)
          & city(X0,X3)
          & ! [X6] :
              ( member(X0,X6,X1)
             => ? [X7,X8] :
                  ( be(X0,X8,X6,X7)
                  & state(X0,X8)
                  & frontseat(X0,X7) ) )
          & two(X0,X1)
          & white(X0,X3)
          & hollywood_placename(X0,X5)
          & agent(X0,X2,X3)
          & event(X0,X2)
          & present(X0,X2) )
      & actual_world(X0) ),
    inference(pure_predicate_removal,[],[f104]) ).

fof(f104,plain,
    ? [X0] :
      ( ? [X3,X2,X5,X1,X4] :
          ( barrel(X0,X2)
          & ! [X9] :
              ( member(X0,X9,X1)
             => ( fellow(X0,X9)
                & young(X0,X9) ) )
          & lonely(X0,X4)
          & street(X0,X4)
          & of(X0,X5,X3)
          & chevy(X0,X3)
          & group(X0,X1)
          & placename(X0,X5)
          & old(X0,X3)
          & dirty(X0,X3)
          & city(X0,X3)
          & ! [X6] :
              ( member(X0,X6,X1)
             => ? [X7,X8] :
                  ( be(X0,X8,X6,X7)
                  & state(X0,X8)
                  & frontseat(X0,X7) ) )
          & two(X0,X1)
          & white(X0,X3)
          & down(X0,X2,X4)
          & hollywood_placename(X0,X5)
          & agent(X0,X2,X3)
          & event(X0,X2)
          & present(X0,X2) )
      & actual_world(X0) ),
    inference(pure_predicate_removal,[],[f97]) ).

fof(f97,plain,
    ? [X0] :
      ( ? [X3,X2,X5,X1,X4] :
          ( barrel(X0,X2)
          & ! [X9] :
              ( member(X0,X9,X1)
             => ( fellow(X0,X9)
                & young(X0,X9) ) )
          & lonely(X0,X4)
          & street(X0,X4)
          & of(X0,X5,X3)
          & chevy(X0,X3)
          & group(X0,X1)
          & placename(X0,X5)
          & old(X0,X3)
          & dirty(X0,X3)
          & city(X0,X3)
          & ! [X6] :
              ( member(X0,X6,X1)
             => ? [X7,X8] :
                  ( state(X0,X8)
                  & in(X0,X7,X7)
                  & be(X0,X8,X6,X7)
                  & frontseat(X0,X7) ) )
          & two(X0,X1)
          & in(X0,X2,X3)
          & white(X0,X3)
          & down(X0,X2,X4)
          & hollywood_placename(X0,X5)
          & agent(X0,X2,X3)
          & event(X0,X2)
          & present(X0,X2) )
      & actual_world(X0) ),
    inference(flattening,[],[f96]) ).

fof(f96,plain,
    ~ ~ ? [X0] :
          ( ? [X3,X2,X5,X1,X4] :
              ( barrel(X0,X2)
              & ! [X9] :
                  ( member(X0,X9,X1)
                 => ( fellow(X0,X9)
                    & young(X0,X9) ) )
              & lonely(X0,X4)
              & street(X0,X4)
              & of(X0,X5,X3)
              & chevy(X0,X3)
              & group(X0,X1)
              & placename(X0,X5)
              & old(X0,X3)
              & dirty(X0,X3)
              & city(X0,X3)
              & ! [X6] :
                  ( member(X0,X6,X1)
                 => ? [X7,X8] :
                      ( state(X0,X8)
                      & in(X0,X7,X7)
                      & be(X0,X8,X6,X7)
                      & frontseat(X0,X7) ) )
              & two(X0,X1)
              & in(X0,X2,X3)
              & white(X0,X3)
              & down(X0,X2,X4)
              & hollywood_placename(X0,X5)
              & agent(X0,X2,X3)
              & event(X0,X2)
              & present(X0,X2) )
          & actual_world(X0) ),
    inference(rectify,[],[f63]) ).

fof(f63,negated_conjecture,
    ~ ~ ? [X0] :
          ( ? [X5,X4,X3,X1,X2] :
              ( of(X0,X2,X3)
              & event(X0,X4)
              & white(X0,X3)
              & chevy(X0,X3)
              & street(X0,X1)
              & ! [X6] :
                  ( member(X0,X6,X5)
                 => ? [X8,X7] :
                      ( be(X0,X7,X6,X8)
                      & frontseat(X0,X8)
                      & in(X0,X8,X8)
                      & state(X0,X7) ) )
              & group(X0,X5)
              & city(X0,X3)
              & in(X0,X4,X3)
              & old(X0,X3)
              & two(X0,X5)
              & agent(X0,X4,X3)
              & hollywood_placename(X0,X2)
              & ! [X9] :
                  ( member(X0,X9,X5)
                 => ( fellow(X0,X9)
                    & young(X0,X9) ) )
              & down(X0,X4,X1)
              & present(X0,X4)
              & lonely(X0,X1)
              & placename(X0,X2)
              & barrel(X0,X4)
              & dirty(X0,X3) )
          & actual_world(X0) ),
    inference(negated_conjecture,[],[f62]) ).

fof(f62,conjecture,
    ~ ? [X0] :
        ( ? [X5,X4,X3,X1,X2] :
            ( of(X0,X2,X3)
            & event(X0,X4)
            & white(X0,X3)
            & chevy(X0,X3)
            & street(X0,X1)
            & ! [X6] :
                ( member(X0,X6,X5)
               => ? [X8,X7] :
                    ( be(X0,X7,X6,X8)
                    & frontseat(X0,X8)
                    & in(X0,X8,X8)
                    & state(X0,X7) ) )
            & group(X0,X5)
            & city(X0,X3)
            & in(X0,X4,X3)
            & old(X0,X3)
            & two(X0,X5)
            & agent(X0,X4,X3)
            & hollywood_placename(X0,X2)
            & ! [X9] :
                ( member(X0,X9,X5)
               => ( fellow(X0,X9)
                  & young(X0,X9) ) )
            & down(X0,X4,X1)
            & present(X0,X4)
            & lonely(X0,X1)
            & placename(X0,X2)
            & barrel(X0,X4)
            & dirty(X0,X3) )
        & actual_world(X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1) ).

fof(f358,plain,
    ( fellow(sK5,sK1(sK5,sK4))
    | ~ two(sK5,sK4) ),
    inference(resolution,[],[f251,f292]) ).

fof(f292,plain,
    ! [X6] :
      ( ~ member(sK5,X6,sK4)
      | fellow(sK5,X6) ),
    inference(cnf_transformation,[],[f214]) ).

fof(f251,plain,
    ! [X0,X1] :
      ( member(X0,sK1(X0,X1),X1)
      | ~ two(X0,X1) ),
    inference(cnf_transformation,[],[f198]) ).

fof(f198,plain,
    ! [X0,X1] :
      ( ( ( member(X0,sK0(X0,X1),X1)
          & sK1(X0,X1) != sK0(X0,X1)
          & ! [X4] :
              ( ~ member(X0,X4,X1)
              | sK1(X0,X1) = X4
              | sK0(X0,X1) = X4 )
          & member(X0,sK1(X0,X1),X1) )
        | ~ two(X0,X1) )
      & ( two(X0,X1)
        | ! [X5] :
            ( ~ member(X0,X5,X1)
            | ! [X6] :
                ( X5 = X6
                | ( member(X0,sK2(X0,X1,X5,X6),X1)
                  & sK2(X0,X1,X5,X6) != X6
                  & sK2(X0,X1,X5,X6) != X5 )
                | ~ member(X0,X6,X1) ) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2])],[f194,f197,f196,f195]) ).

fof(f195,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( member(X0,X2,X1)
          & ? [X3] :
              ( X2 != X3
              & ! [X4] :
                  ( ~ member(X0,X4,X1)
                  | X3 = X4
                  | X2 = X4 )
              & member(X0,X3,X1) ) )
     => ( member(X0,sK0(X0,X1),X1)
        & ? [X3] :
            ( sK0(X0,X1) != X3
            & ! [X4] :
                ( ~ member(X0,X4,X1)
                | X3 = X4
                | sK0(X0,X1) = X4 )
            & member(X0,X3,X1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f196,plain,
    ! [X0,X1] :
      ( ? [X3] :
          ( sK0(X0,X1) != X3
          & ! [X4] :
              ( ~ member(X0,X4,X1)
              | X3 = X4
              | sK0(X0,X1) = X4 )
          & member(X0,X3,X1) )
     => ( sK1(X0,X1) != sK0(X0,X1)
        & ! [X4] :
            ( ~ member(X0,X4,X1)
            | sK1(X0,X1) = X4
            | sK0(X0,X1) = X4 )
        & member(X0,sK1(X0,X1),X1) ) ),
    introduced(choice_axiom,[]) ).

fof(f197,plain,
    ! [X0,X1,X5,X6] :
      ( ? [X7] :
          ( member(X0,X7,X1)
          & X6 != X7
          & X5 != X7 )
     => ( member(X0,sK2(X0,X1,X5,X6),X1)
        & sK2(X0,X1,X5,X6) != X6
        & sK2(X0,X1,X5,X6) != X5 ) ),
    introduced(choice_axiom,[]) ).

fof(f194,plain,
    ! [X0,X1] :
      ( ( ? [X2] :
            ( member(X0,X2,X1)
            & ? [X3] :
                ( X2 != X3
                & ! [X4] :
                    ( ~ member(X0,X4,X1)
                    | X3 = X4
                    | X2 = X4 )
                & member(X0,X3,X1) ) )
        | ~ two(X0,X1) )
      & ( two(X0,X1)
        | ! [X5] :
            ( ~ member(X0,X5,X1)
            | ! [X6] :
                ( X5 = X6
                | ? [X7] :
                    ( member(X0,X7,X1)
                    & X6 != X7
                    & X5 != X7 )
                | ~ member(X0,X6,X1) ) ) ) ),
    inference(rectify,[],[f193]) ).

fof(f193,plain,
    ! [X0,X1] :
      ( ( ? [X2] :
            ( member(X0,X2,X1)
            & ? [X3] :
                ( X2 != X3
                & ! [X4] :
                    ( ~ member(X0,X4,X1)
                    | X3 = X4
                    | X2 = X4 )
                & member(X0,X3,X1) ) )
        | ~ two(X0,X1) )
      & ( two(X0,X1)
        | ! [X2] :
            ( ~ member(X0,X2,X1)
            | ! [X3] :
                ( X2 = X3
                | ? [X4] :
                    ( member(X0,X4,X1)
                    & X3 != X4
                    & X2 != X4 )
                | ~ member(X0,X3,X1) ) ) ) ),
    inference(nnf_transformation,[],[f143]) ).

fof(f143,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( member(X0,X2,X1)
          & ? [X3] :
              ( X2 != X3
              & ! [X4] :
                  ( ~ member(X0,X4,X1)
                  | X3 = X4
                  | X2 = X4 )
              & member(X0,X3,X1) ) )
    <=> two(X0,X1) ),
    inference(flattening,[],[f142]) ).

fof(f142,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( member(X0,X2,X1)
          & ? [X3] :
              ( X2 != X3
              & member(X0,X3,X1)
              & ! [X4] :
                  ( X3 = X4
                  | X2 = X4
                  | ~ member(X0,X4,X1) ) ) )
    <=> two(X0,X1) ),
    inference(ennf_transformation,[],[f60]) ).

fof(f60,axiom,
    ! [X0,X1] :
      ( ? [X2] :
          ( member(X0,X2,X1)
          & ? [X3] :
              ( X2 != X3
              & member(X0,X3,X1)
              & ! [X4] :
                  ( member(X0,X4,X1)
                 => ( X3 = X4
                    | X2 = X4 ) ) ) )
    <=> two(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax60) ).

fof(f471,plain,
    unisex(sK5,sK1(sK5,sK4)),
    inference(superposition,[],[f398,f463]) ).

fof(f463,plain,
    sK9(sK1(sK5,sK4)) = sK1(sK5,sK4),
    inference(subsumption_resolution,[],[f461,f278]) ).

fof(f461,plain,
    ( ~ two(sK5,sK4)
    | sK9(sK1(sK5,sK4)) = sK1(sK5,sK4) ),
    inference(resolution,[],[f456,f251]) ).

fof(f456,plain,
    ! [X0] :
      ( ~ member(sK5,X0,sK4)
      | sK9(X0) = X0 ),
    inference(resolution,[],[f284,f273]) ).

fof(f273,plain,
    ! [X2,X3,X0,X1] :
      ( ~ be(X0,X2,X3,X1)
      | X1 = X3 ),
    inference(cnf_transformation,[],[f209]) ).

fof(f209,plain,
    ! [X0,X1,X2,X3] :
      ( X1 = X3
      | ~ be(X0,X2,X3,X1) ),
    inference(rectify,[],[f161]) ).

fof(f161,plain,
    ! [X1,X2,X0,X3] :
      ( X2 = X3
      | ~ be(X1,X0,X3,X2) ),
    inference(ennf_transformation,[],[f81]) ).

fof(f81,plain,
    ! [X1,X3,X2,X0] :
      ( be(X1,X0,X3,X2)
     => X2 = X3 ),
    inference(rectify,[],[f59]) ).

fof(f59,axiom,
    ! [X1,X0,X3,X2] :
      ( be(X0,X1,X2,X3)
     => X2 = X3 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax59) ).

fof(f284,plain,
    ! [X7] :
      ( be(sK5,sK10(X7),X7,sK9(X7))
      | ~ member(sK5,X7,sK4) ),
    inference(cnf_transformation,[],[f214]) ).

fof(f398,plain,
    unisex(sK5,sK9(sK1(sK5,sK4))),
    inference(resolution,[],[f397,f244]) ).

fof(f244,plain,
    ! [X0,X1] :
      ( ~ object(X0,X1)
      | unisex(X0,X1) ),
    inference(cnf_transformation,[],[f167]) ).

fof(f167,plain,
    ! [X0,X1] :
      ( unisex(X0,X1)
      | ~ object(X0,X1) ),
    inference(ennf_transformation,[],[f16]) ).

fof(f16,axiom,
    ! [X1,X0] :
      ( object(X0,X1)
     => unisex(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax16) ).

fof(f397,plain,
    object(sK5,sK9(sK1(sK5,sK4))),
    inference(resolution,[],[f395,f221]) ).

fof(f221,plain,
    ! [X0,X1] :
      ( ~ artifact(X1,X0)
      | object(X1,X0) ),
    inference(cnf_transformation,[],[f177]) ).

fof(f177,plain,
    ! [X0,X1] :
      ( object(X1,X0)
      | ~ artifact(X1,X0) ),
    inference(rectify,[],[f125]) ).

fof(f125,plain,
    ! [X1,X0] :
      ( object(X0,X1)
      | ~ artifact(X0,X1) ),
    inference(ennf_transformation,[],[f20]) ).

fof(f20,axiom,
    ! [X0,X1] :
      ( artifact(X0,X1)
     => object(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax20) ).

fof(f395,plain,
    artifact(sK5,sK9(sK1(sK5,sK4))),
    inference(resolution,[],[f392,f260]) ).

fof(f260,plain,
    ! [X0,X1] :
      ( ~ instrumentality(X1,X0)
      | artifact(X1,X0) ),
    inference(cnf_transformation,[],[f122]) ).

fof(f122,plain,
    ! [X0,X1] :
      ( artifact(X1,X0)
      | ~ instrumentality(X1,X0) ),
    inference(ennf_transformation,[],[f82]) ).

fof(f82,plain,
    ! [X1,X0] :
      ( instrumentality(X1,X0)
     => artifact(X1,X0) ),
    inference(rectify,[],[f21]) ).

fof(f21,axiom,
    ! [X1,X0] :
      ( instrumentality(X0,X1)
     => artifact(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax21) ).

fof(f392,plain,
    instrumentality(sK5,sK9(sK1(sK5,sK4))),
    inference(resolution,[],[f386,f296]) ).

fof(f296,plain,
    ! [X0,X1] :
      ( ~ furniture(X0,X1)
      | instrumentality(X0,X1) ),
    inference(cnf_transformation,[],[f163]) ).

fof(f163,plain,
    ! [X0,X1] :
      ( instrumentality(X0,X1)
      | ~ furniture(X0,X1) ),
    inference(ennf_transformation,[],[f1]) ).

fof(f1,axiom,
    ! [X1,X0] :
      ( furniture(X0,X1)
     => instrumentality(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax1) ).

fof(f386,plain,
    furniture(sK5,sK9(sK1(sK5,sK4))),
    inference(resolution,[],[f383,f233]) ).

fof(f233,plain,
    ! [X0,X1] :
      ( ~ seat(X1,X0)
      | furniture(X1,X0) ),
    inference(cnf_transformation,[],[f166]) ).

fof(f166,plain,
    ! [X0,X1] :
      ( ~ seat(X1,X0)
      | furniture(X1,X0) ),
    inference(ennf_transformation,[],[f80]) ).

fof(f80,plain,
    ! [X1,X0] :
      ( seat(X1,X0)
     => furniture(X1,X0) ),
    inference(rectify,[],[f2]) ).

fof(f2,axiom,
    ! [X1,X0] :
      ( seat(X0,X1)
     => furniture(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax2) ).

fof(f383,plain,
    seat(sK5,sK9(sK1(sK5,sK4))),
    inference(resolution,[],[f361,f261]) ).

fof(f261,plain,
    ! [X0,X1] :
      ( ~ frontseat(X1,X0)
      | seat(X1,X0) ),
    inference(cnf_transformation,[],[f201]) ).

fof(f201,plain,
    ! [X0,X1] :
      ( ~ frontseat(X1,X0)
      | seat(X1,X0) ),
    inference(rectify,[],[f140]) ).

fof(f140,plain,
    ! [X1,X0] :
      ( ~ frontseat(X0,X1)
      | seat(X0,X1) ),
    inference(ennf_transformation,[],[f3]) ).

fof(f3,axiom,
    ! [X1,X0] :
      ( frontseat(X0,X1)
     => seat(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax3) ).

fof(f361,plain,
    frontseat(sK5,sK9(sK1(sK5,sK4))),
    inference(subsumption_resolution,[],[f357,f278]) ).

fof(f357,plain,
    ( frontseat(sK5,sK9(sK1(sK5,sK4)))
    | ~ two(sK5,sK4) ),
    inference(resolution,[],[f251,f282]) ).

fof(f282,plain,
    ! [X7] :
      ( ~ member(sK5,X7,sK4)
      | frontseat(sK5,sK9(X7)) ),
    inference(cnf_transformation,[],[f214]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem    : NLP147+1 : TPTP v8.1.0. Released v2.4.0.
% 0.03/0.12  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.12/0.33  % Computer : n008.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit   : 300
% 0.12/0.33  % WCLimit    : 300
% 0.12/0.33  % DateTime   : Tue Aug 30 04:45:40 EDT 2022
% 0.12/0.33  % CPUTime    : 
% 0.19/0.49  % (21990)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 0.19/0.49  % (21981)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.50  % (21996)ott+10_1:1_tgt=ground:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.19/0.50  % (21982)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.50  % (21998)ott+10_1:8_bsd=on:fsd=on:lcm=predicate:nwc=5.0:s2a=on:s2at=1.5:spb=goal_then_units:i=176:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/176Mi)
% 0.19/0.50  % (21991)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.19/0.50  % (21995)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/59Mi)
% 0.19/0.50  % (22000)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=498:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/498Mi)
% 0.19/0.51  % (21988)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 0.19/0.51  % (22004)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 (2999ds/68Mi)
% 0.19/0.51  % (21978)fmb+10_1:1_bce=on:fmbsr=1.5:nm=4:skr=on:i=191324:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/191324Mi)
% 0.19/0.51  % (21992)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 (2999ds/68Mi)
% 0.19/0.51  % (21990)First to succeed.
% 0.19/0.51  % (21987)ott-1_1:6_av=off:cond=on:fsr=off:nwc=3.0:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.51  % (21979)ott+10_1:32_abs=on:br=off:urr=ec_only:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 0.19/0.51  % (22006)ott+33_1:4_s2a=on:tgt=ground:i=439:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/439Mi)
% 0.19/0.51  % (22003)ott+10_1:5_bd=off:tgt=full:i=500:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/500Mi)
% 0.19/0.51  % (21984)fmb+10_1:1_fmbsr=2.0:nm=4:skr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.52  % (21980)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 (2999ds/37Mi)
% 0.19/0.52  % (22001)ott+11_1:1_drc=off:nwc=5.0:slsq=on:slsqc=1:spb=goal_then_units:to=lpo:i=467:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/467Mi)
% 0.19/0.52  % (22005)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=177:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/177Mi)
% 0.19/0.52  TRYING [1]
% 0.19/0.52  % (21983)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 (2999ds/48Mi)
% 0.19/0.52  % (21993)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=75:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/75Mi)
% 0.19/0.52  TRYING [1]
% 0.19/0.52  TRYING [1]
% 0.19/0.52  TRYING [2]
% 0.19/0.52  TRYING [3]
% 0.19/0.52  TRYING [2]
% 0.19/0.52  TRYING [3]
% 0.19/0.52  TRYING [4]
% 0.19/0.52  % (21996)Also succeeded, but the first one will report.
% 0.19/0.53  TRYING [2]
% 0.19/0.53  % (21990)Refutation found. Thanks to Tanya!
% 0.19/0.53  % SZS status Theorem for theBenchmark
% 0.19/0.53  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.53  % (21990)------------------------------
% 0.19/0.53  % (21990)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.53  % (21990)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.53  % (21990)Termination reason: Refutation
% 0.19/0.53  
% 0.19/0.53  % (21990)Memory used [KB]: 5884
% 0.19/0.53  % (21990)Time elapsed: 0.119 s
% 0.19/0.53  % (21990)Instructions burned: 9 (million)
% 0.19/0.53  % (21990)------------------------------
% 0.19/0.53  % (21990)------------------------------
% 0.19/0.53  % (21977)Success in time 0.184 s
%------------------------------------------------------------------------------