TSTP Solution File: PUZ129+2 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : PUZ129+2 : TPTP v8.1.0. Released v4.0.0.
% 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 : n011.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 18:12:09 EDT 2022

% Result   : Theorem 0.21s 0.50s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   43 (   8 unt;   0 def)
%            Number of atoms       :  353 (  93 equ)
%            Maximal formula atoms :   36 (   8 avg)
%            Number of connectives :  452 ( 142   ~; 111   |; 158   &)
%                                         (   0 <=>;  41  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   6 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   1 prp; 0-3 aty)
%            Number of functors    :   14 (  14 usr;   8 con; 0-1 aty)
%            Number of variables   :  167 ( 103   !;  64   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f64,plain,
    $false,
    inference(subsumption_resolution,[],[f63,f42]) ).

fof(f42,plain,
    person(sK5),
    inference(subsumption_resolution,[],[f41,f34]) ).

fof(f34,plain,
    grocer(sK5),
    inference(definition_unfolding,[],[f23,f21]) ).

fof(f21,plain,
    sK4 = sK5,
    inference(cnf_transformation,[],[f15]) ).

fof(f15,plain,
    ( ! [X0] :
        ( ! [X1] :
            ( ~ property1(X1,healthy,pos)
            | X0 != X1 )
        | ~ grocer(X0) )
    & ! [X2] :
        ( ~ cyclist(X2)
        | ( sK0(X2) = X2
          & person(sK0(X2)) ) )
    & ! [X4] :
        ( ~ property1(X4,industrious,pos)
        | ( sK1(X4) = X4
          & property1(sK1(X4),honest,pos) )
        | ~ grocer(X4) )
    & ! [X6] :
        ( ~ property1(X6,honest,pos)
        | ~ person(X6)
        | ! [X7] :
            ( X6 != X7
            | ~ property1(X7,dishonest,pos) ) )
    & ! [X8] :
        ( ( sK2(X8) = X8
          & property1(sK2(X8),industrious,pos) )
        | ~ cyclist(X8) )
    & ! [X10] :
        ( ~ grocer(X10)
        | ( sK3(X10) = X10
          & person(sK3(X10)) ) )
    & grocer(sK4)
    & cyclist(sK5)
    & sK4 = sK5
    & ! [X14] :
        ( ~ cyclist(X14)
        | ~ property1(X14,unhealthy,pos)
        | ( property1(sK6(X14),dishonest,pos)
          & sK6(X14) = X14 ) )
    & ! [X16] :
        ( ! [X17] :
            ( ~ property1(X17,unhealthy,pos)
            | X16 != X17 )
        | ~ property1(X16,healthy,pos)
        | ~ person(X16) )
    & ! [X18] :
        ( ~ property1(X18,honest,pos)
        | ( sK7(X18) = X18
          & property1(sK7(X18),healthy,pos) )
        | ~ person(X18)
        | ~ property1(X18,industrious,pos) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3,sK4,sK5,sK6,sK7])],[f6,f14,f13,f12,f11,f10,f9,f8,f7]) ).

fof(f7,plain,
    ! [X2] :
      ( ? [X3] :
          ( X2 = X3
          & person(X3) )
     => ( sK0(X2) = X2
        & person(sK0(X2)) ) ),
    introduced(choice_axiom,[]) ).

fof(f8,plain,
    ! [X4] :
      ( ? [X5] :
          ( X4 = X5
          & property1(X5,honest,pos) )
     => ( sK1(X4) = X4
        & property1(sK1(X4),honest,pos) ) ),
    introduced(choice_axiom,[]) ).

fof(f9,plain,
    ! [X8] :
      ( ? [X9] :
          ( X8 = X9
          & property1(X9,industrious,pos) )
     => ( sK2(X8) = X8
        & property1(sK2(X8),industrious,pos) ) ),
    introduced(choice_axiom,[]) ).

fof(f10,plain,
    ! [X10] :
      ( ? [X11] :
          ( X10 = X11
          & person(X11) )
     => ( sK3(X10) = X10
        & person(sK3(X10)) ) ),
    introduced(choice_axiom,[]) ).

fof(f11,plain,
    ( ? [X12] :
        ( grocer(X12)
        & ? [X13] :
            ( cyclist(X13)
            & X12 = X13 ) )
   => ( grocer(sK4)
      & ? [X13] :
          ( cyclist(X13)
          & sK4 = X13 ) ) ),
    introduced(choice_axiom,[]) ).

fof(f12,plain,
    ( ? [X13] :
        ( cyclist(X13)
        & sK4 = X13 )
   => ( cyclist(sK5)
      & sK4 = sK5 ) ),
    introduced(choice_axiom,[]) ).

fof(f13,plain,
    ! [X14] :
      ( ? [X15] :
          ( property1(X15,dishonest,pos)
          & X14 = X15 )
     => ( property1(sK6(X14),dishonest,pos)
        & sK6(X14) = X14 ) ),
    introduced(choice_axiom,[]) ).

fof(f14,plain,
    ! [X18] :
      ( ? [X19] :
          ( X18 = X19
          & property1(X19,healthy,pos) )
     => ( sK7(X18) = X18
        & property1(sK7(X18),healthy,pos) ) ),
    introduced(choice_axiom,[]) ).

fof(f6,plain,
    ( ! [X0] :
        ( ! [X1] :
            ( ~ property1(X1,healthy,pos)
            | X0 != X1 )
        | ~ grocer(X0) )
    & ! [X2] :
        ( ~ cyclist(X2)
        | ? [X3] :
            ( X2 = X3
            & person(X3) ) )
    & ! [X4] :
        ( ~ property1(X4,industrious,pos)
        | ? [X5] :
            ( X4 = X5
            & property1(X5,honest,pos) )
        | ~ grocer(X4) )
    & ! [X6] :
        ( ~ property1(X6,honest,pos)
        | ~ person(X6)
        | ! [X7] :
            ( X6 != X7
            | ~ property1(X7,dishonest,pos) ) )
    & ! [X8] :
        ( ? [X9] :
            ( X8 = X9
            & property1(X9,industrious,pos) )
        | ~ cyclist(X8) )
    & ! [X10] :
        ( ~ grocer(X10)
        | ? [X11] :
            ( X10 = X11
            & person(X11) ) )
    & ? [X12] :
        ( grocer(X12)
        & ? [X13] :
            ( cyclist(X13)
            & X12 = X13 ) )
    & ! [X14] :
        ( ~ cyclist(X14)
        | ~ property1(X14,unhealthy,pos)
        | ? [X15] :
            ( property1(X15,dishonest,pos)
            & X14 = X15 ) )
    & ! [X16] :
        ( ! [X17] :
            ( ~ property1(X17,unhealthy,pos)
            | X16 != X17 )
        | ~ property1(X16,healthy,pos)
        | ~ person(X16) )
    & ! [X18] :
        ( ~ property1(X18,honest,pos)
        | ? [X19] :
            ( X18 = X19
            & property1(X19,healthy,pos) )
        | ~ person(X18)
        | ~ property1(X18,industrious,pos) ) ),
    inference(rectify,[],[f5]) ).

fof(f5,plain,
    ( ! [X14] :
        ( ! [X15] :
            ( ~ property1(X15,healthy,pos)
            | X14 != X15 )
        | ~ grocer(X14) )
    & ! [X4] :
        ( ~ cyclist(X4)
        | ? [X5] :
            ( X4 = X5
            & person(X5) ) )
    & ! [X0] :
        ( ~ property1(X0,industrious,pos)
        | ? [X1] :
            ( X0 = X1
            & property1(X1,honest,pos) )
        | ~ grocer(X0) )
    & ! [X6] :
        ( ~ property1(X6,honest,pos)
        | ~ person(X6)
        | ! [X7] :
            ( X6 != X7
            | ~ property1(X7,dishonest,pos) ) )
    & ! [X16] :
        ( ? [X17] :
            ( X16 = X17
            & property1(X17,industrious,pos) )
        | ~ cyclist(X16) )
    & ! [X2] :
        ( ~ grocer(X2)
        | ? [X3] :
            ( X2 = X3
            & person(X3) ) )
    & ? [X18] :
        ( grocer(X18)
        & ? [X19] :
            ( cyclist(X19)
            & X18 = X19 ) )
    & ! [X12] :
        ( ~ cyclist(X12)
        | ~ property1(X12,unhealthy,pos)
        | ? [X13] :
            ( property1(X13,dishonest,pos)
            & X12 = X13 ) )
    & ! [X8] :
        ( ! [X9] :
            ( ~ property1(X9,unhealthy,pos)
            | X8 != X9 )
        | ~ property1(X8,healthy,pos)
        | ~ person(X8) )
    & ! [X10] :
        ( ~ property1(X10,honest,pos)
        | ? [X11] :
            ( X10 = X11
            & property1(X11,healthy,pos) )
        | ~ person(X10)
        | ~ property1(X10,industrious,pos) ) ),
    inference(flattening,[],[f4]) ).

fof(f4,plain,
    ( ? [X18] :
        ( grocer(X18)
        & ? [X19] :
            ( cyclist(X19)
            & X18 = X19 ) )
    & ! [X2] :
        ( ~ grocer(X2)
        | ? [X3] :
            ( X2 = X3
            & person(X3) ) )
    & ! [X0] :
        ( ? [X1] :
            ( X0 = X1
            & property1(X1,honest,pos) )
        | ~ property1(X0,industrious,pos)
        | ~ grocer(X0) )
    & ! [X8] :
        ( ! [X9] :
            ( ~ property1(X9,unhealthy,pos)
            | X8 != X9 )
        | ~ property1(X8,healthy,pos)
        | ~ person(X8) )
    & ! [X4] :
        ( ~ cyclist(X4)
        | ? [X5] :
            ( X4 = X5
            & person(X5) ) )
    & ! [X16] :
        ( ? [X17] :
            ( X16 = X17
            & property1(X17,industrious,pos) )
        | ~ cyclist(X16) )
    & ! [X12] :
        ( ? [X13] :
            ( property1(X13,dishonest,pos)
            & X12 = X13 )
        | ~ cyclist(X12)
        | ~ property1(X12,unhealthy,pos) )
    & ! [X6] :
        ( ! [X7] :
            ( X6 != X7
            | ~ property1(X7,dishonest,pos) )
        | ~ person(X6)
        | ~ property1(X6,honest,pos) )
    & ! [X10] :
        ( ? [X11] :
            ( X10 = X11
            & property1(X11,healthy,pos) )
        | ~ property1(X10,honest,pos)
        | ~ property1(X10,industrious,pos)
        | ~ person(X10) )
    & ! [X14] :
        ( ! [X15] :
            ( ~ property1(X15,healthy,pos)
            | X14 != X15 )
        | ~ grocer(X14) ) ),
    inference(ennf_transformation,[],[f3]) ).

fof(f3,plain,
    ~ ( ( ! [X2] :
            ( grocer(X2)
           => ? [X3] :
                ( X2 = X3
                & person(X3) ) )
        & ! [X0] :
            ( ( property1(X0,industrious,pos)
              & grocer(X0) )
           => ? [X1] :
                ( X0 = X1
                & property1(X1,honest,pos) ) )
        & ! [X8] :
            ( ( property1(X8,healthy,pos)
              & person(X8) )
           => ~ ? [X9] :
                  ( X8 = X9
                  & property1(X9,unhealthy,pos) ) )
        & ! [X4] :
            ( cyclist(X4)
           => ? [X5] :
                ( X4 = X5
                & person(X5) ) )
        & ! [X16] :
            ( cyclist(X16)
           => ? [X17] :
                ( X16 = X17
                & property1(X17,industrious,pos) ) )
        & ! [X12] :
            ( ( cyclist(X12)
              & property1(X12,unhealthy,pos) )
           => ? [X13] :
                ( property1(X13,dishonest,pos)
                & X12 = X13 ) )
        & ! [X6] :
            ( ( person(X6)
              & property1(X6,honest,pos) )
           => ~ ? [X7] :
                  ( X6 = X7
                  & property1(X7,dishonest,pos) ) )
        & ! [X10] :
            ( ( property1(X10,honest,pos)
              & property1(X10,industrious,pos)
              & person(X10) )
           => ? [X11] :
                ( X10 = X11
                & property1(X11,healthy,pos) ) )
        & ! [X14] :
            ( grocer(X14)
           => ~ ? [X15] :
                  ( property1(X15,healthy,pos)
                  & X14 = X15 ) ) )
     => ! [X18] :
          ( grocer(X18)
         => ~ ? [X19] :
                ( cyclist(X19)
                & X18 = X19 ) ) ),
    inference(rectify,[],[f2]) ).

fof(f2,negated_conjecture,
    ~ ( ( ! [X4] :
            ( ( property1(X4,industrious,pos)
              & grocer(X4) )
           => ? [X5] :
                ( X4 = X5
                & property1(X5,honest,pos) ) )
        & ! [X14] :
            ( grocer(X14)
           => ? [X15] :
                ( person(X15)
                & X14 = X15 ) )
        & ! [X16] :
            ( cyclist(X16)
           => ? [X17] :
                ( X16 = X17
                & person(X17) ) )
        & ! [X12] :
            ( ( property1(X12,honest,pos)
              & person(X12) )
           => ~ ? [X13] :
                  ( X12 = X13
                  & property1(X13,dishonest,pos) ) )
        & ! [X10] :
            ( ( person(X10)
              & property1(X10,healthy,pos) )
           => ~ ? [X11] :
                  ( X10 = X11
                  & property1(X11,unhealthy,pos) ) )
        & ! [X0] :
            ( ( property1(X0,honest,pos)
              & person(X0)
              & property1(X0,industrious,pos) )
           => ? [X1] :
                ( X0 = X1
                & property1(X1,healthy,pos) ) )
        & ! [X8] :
            ( ( property1(X8,unhealthy,pos)
              & cyclist(X8) )
           => ? [X9] :
                ( X8 = X9
                & property1(X9,dishonest,pos) ) )
        & ! [X2] :
            ( grocer(X2)
           => ~ ? [X3] :
                  ( X2 = X3
                  & property1(X3,healthy,pos) ) )
        & ! [X6] :
            ( cyclist(X6)
           => ? [X7] :
                ( X6 = X7
                & property1(X7,industrious,pos) ) ) )
     => ! [X18] :
          ( grocer(X18)
         => ~ ? [X19] :
                ( cyclist(X19)
                & X18 = X19 ) ) ),
    inference(negated_conjecture,[],[f1]) ).

fof(f1,conjecture,
    ( ( ! [X4] :
          ( ( property1(X4,industrious,pos)
            & grocer(X4) )
         => ? [X5] :
              ( X4 = X5
              & property1(X5,honest,pos) ) )
      & ! [X14] :
          ( grocer(X14)
         => ? [X15] :
              ( person(X15)
              & X14 = X15 ) )
      & ! [X16] :
          ( cyclist(X16)
         => ? [X17] :
              ( X16 = X17
              & person(X17) ) )
      & ! [X12] :
          ( ( property1(X12,honest,pos)
            & person(X12) )
         => ~ ? [X13] :
                ( X12 = X13
                & property1(X13,dishonest,pos) ) )
      & ! [X10] :
          ( ( person(X10)
            & property1(X10,healthy,pos) )
         => ~ ? [X11] :
                ( X10 = X11
                & property1(X11,unhealthy,pos) ) )
      & ! [X0] :
          ( ( property1(X0,honest,pos)
            & person(X0)
            & property1(X0,industrious,pos) )
         => ? [X1] :
              ( X0 = X1
              & property1(X1,healthy,pos) ) )
      & ! [X8] :
          ( ( property1(X8,unhealthy,pos)
            & cyclist(X8) )
         => ? [X9] :
              ( X8 = X9
              & property1(X9,dishonest,pos) ) )
      & ! [X2] :
          ( grocer(X2)
         => ~ ? [X3] :
                ( X2 = X3
                & property1(X3,healthy,pos) ) )
      & ! [X6] :
          ( cyclist(X6)
         => ? [X7] :
              ( X6 = X7
              & property1(X7,industrious,pos) ) ) )
   => ! [X18] :
        ( grocer(X18)
       => ~ ? [X19] :
              ( cyclist(X19)
              & X18 = X19 ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove) ).

fof(f23,plain,
    grocer(sK4),
    inference(cnf_transformation,[],[f15]) ).

fof(f41,plain,
    ( person(sK5)
    | ~ grocer(sK5) ),
    inference(superposition,[],[f24,f38]) ).

fof(f38,plain,
    sK3(sK5) = sK5,
    inference(resolution,[],[f25,f34]) ).

fof(f25,plain,
    ! [X10] :
      ( ~ grocer(X10)
      | sK3(X10) = X10 ),
    inference(cnf_transformation,[],[f15]) ).

fof(f24,plain,
    ! [X10] :
      ( person(sK3(X10))
      | ~ grocer(X10) ),
    inference(cnf_transformation,[],[f15]) ).

fof(f63,plain,
    ~ person(sK5),
    inference(subsumption_resolution,[],[f62,f34]) ).

fof(f62,plain,
    ( ~ grocer(sK5)
    | ~ person(sK5) ),
    inference(resolution,[],[f61,f22]) ).

fof(f22,plain,
    cyclist(sK5),
    inference(cnf_transformation,[],[f15]) ).

fof(f61,plain,
    ! [X0] :
      ( ~ cyclist(X0)
      | ~ grocer(X0)
      | ~ person(X0) ),
    inference(subsumption_resolution,[],[f60,f35]) ).

fof(f35,plain,
    ! [X1] :
      ( ~ property1(X1,healthy,pos)
      | ~ grocer(X1) ),
    inference(equality_resolution,[],[f33]) ).

fof(f33,plain,
    ! [X0,X1] :
      ( ~ property1(X1,healthy,pos)
      | X0 != X1
      | ~ grocer(X0) ),
    inference(cnf_transformation,[],[f15]) ).

fof(f60,plain,
    ! [X0] :
      ( property1(X0,healthy,pos)
      | ~ person(X0)
      | ~ grocer(X0)
      | ~ cyclist(X0) ),
    inference(duplicate_literal_removal,[],[f59]) ).

fof(f59,plain,
    ! [X0] :
      ( ~ cyclist(X0)
      | ~ person(X0)
      | ~ grocer(X0)
      | property1(X0,healthy,pos)
      | ~ cyclist(X0) ),
    inference(resolution,[],[f53,f50]) ).

fof(f50,plain,
    ! [X0] :
      ( property1(X0,honest,pos)
      | ~ cyclist(X0)
      | ~ grocer(X0) ),
    inference(resolution,[],[f49,f44]) ).

fof(f44,plain,
    ! [X8] :
      ( property1(X8,industrious,pos)
      | ~ cyclist(X8) ),
    inference(forward_subsumption_demodulation,[],[f26,f27]) ).

fof(f27,plain,
    ! [X8] :
      ( ~ cyclist(X8)
      | sK2(X8) = X8 ),
    inference(cnf_transformation,[],[f15]) ).

fof(f26,plain,
    ! [X8] :
      ( property1(sK2(X8),industrious,pos)
      | ~ cyclist(X8) ),
    inference(cnf_transformation,[],[f15]) ).

fof(f49,plain,
    ! [X4] :
      ( ~ property1(X4,industrious,pos)
      | ~ grocer(X4)
      | property1(X4,honest,pos) ),
    inference(forward_subsumption_demodulation,[],[f29,f30]) ).

fof(f30,plain,
    ! [X4] :
      ( ~ property1(X4,industrious,pos)
      | sK1(X4) = X4
      | ~ grocer(X4) ),
    inference(cnf_transformation,[],[f15]) ).

fof(f29,plain,
    ! [X4] :
      ( property1(sK1(X4),honest,pos)
      | ~ property1(X4,industrious,pos)
      | ~ grocer(X4) ),
    inference(cnf_transformation,[],[f15]) ).

fof(f53,plain,
    ! [X0] :
      ( ~ property1(X0,honest,pos)
      | ~ cyclist(X0)
      | ~ person(X0)
      | property1(X0,healthy,pos) ),
    inference(resolution,[],[f52,f44]) ).

fof(f52,plain,
    ! [X18] :
      ( ~ property1(X18,industrious,pos)
      | property1(X18,healthy,pos)
      | ~ person(X18)
      | ~ property1(X18,honest,pos) ),
    inference(forward_subsumption_demodulation,[],[f16,f17]) ).

fof(f17,plain,
    ! [X18] :
      ( ~ property1(X18,industrious,pos)
      | ~ property1(X18,honest,pos)
      | ~ person(X18)
      | sK7(X18) = X18 ),
    inference(cnf_transformation,[],[f15]) ).

fof(f16,plain,
    ! [X18] :
      ( property1(sK7(X18),healthy,pos)
      | ~ property1(X18,honest,pos)
      | ~ property1(X18,industrious,pos)
      | ~ person(X18) ),
    inference(cnf_transformation,[],[f15]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem    : PUZ129+2 : TPTP v8.1.0. Released v4.0.0.
% 0.08/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.15/0.35  % Computer : n011.cluster.edu
% 0.15/0.35  % Model    : x86_64 x86_64
% 0.15/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.35  % Memory   : 8042.1875MB
% 0.15/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.35  % CPULimit   : 300
% 0.15/0.35  % WCLimit    : 300
% 0.15/0.35  % DateTime   : Tue Aug 30 11:09:25 EDT 2022
% 0.15/0.35  % CPUTime    : 
% 0.21/0.49  % (25759)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.21/0.49  % (25759)First to succeed.
% 0.21/0.50  % (25768)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.21/0.50  % (25759)Refutation found. Thanks to Tanya!
% 0.21/0.50  % SZS status Theorem for theBenchmark
% 0.21/0.50  % SZS output start Proof for theBenchmark
% See solution above
% 0.21/0.50  % (25759)------------------------------
% 0.21/0.50  % (25759)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.21/0.50  % (25759)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.21/0.50  % (25759)Termination reason: Refutation
% 0.21/0.50  
% 0.21/0.50  % (25759)Memory used [KB]: 5500
% 0.21/0.50  % (25759)Time elapsed: 0.069 s
% 0.21/0.50  % (25759)Instructions burned: 4 (million)
% 0.21/0.50  % (25759)------------------------------
% 0.21/0.50  % (25759)------------------------------
% 0.21/0.50  % (25751)Success in time 0.145 s
%------------------------------------------------------------------------------