TSTP Solution File: SYN386+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SYN386+1 : TPTP v8.1.0. Released v2.0.0.
% 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 : n025.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 19:37:45 EDT 2022

% Result   : Theorem 0.20s 0.53s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   25 (   7 unt;   0 def)
%            Number of atoms       :  122 (   0 equ)
%            Maximal formula atoms :   10 (   4 avg)
%            Number of connectives :  144 (  47   ~;  33   |;  39   &)
%                                         (   0 <=>;  25  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   8 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :    7 (   7 usr;   1 con; 0-2 aty)
%            Number of variables   :  175 ( 121   !;  54   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f27,plain,
    $false,
    inference(resolution,[],[f25,f16]) ).

fof(f16,plain,
    ! [X9] : big_f(X9,sK5(X9)),
    inference(cnf_transformation,[],[f14]) ).

fof(f14,plain,
    ( ! [X1,X3] :
        ( ~ big_s(sK1(X1),X3)
        | big_d(X3,sK0,X1) )
    & ! [X4,X6] :
        ( ~ big_d(sK4(X4,X6),X4,sK2(X4))
        & big_f(sK3(X4,X6),sK4(X4,X6))
        & big_s(X6,sK3(X4,X6)) )
    & ! [X9] : big_f(X9,sK5(X9))
    & ! [X11,X13,X14] :
        ( ~ big_d(X13,X14,sK6(X11))
        | ! [X15,X16] :
            ( ~ big_f(X13,X16)
            | big_d(X16,X15,X11)
            | ~ big_f(X14,X15) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3,sK4,sK5,sK6])],[f6,f13,f12,f11,f10,f9,f8,f7]) ).

fof(f7,plain,
    ( ? [X0] :
      ! [X1] :
      ? [X2] :
      ! [X3] :
        ( ~ big_s(X2,X3)
        | big_d(X3,X0,X1) )
   => ! [X1] :
      ? [X2] :
      ! [X3] :
        ( ~ big_s(X2,X3)
        | big_d(X3,sK0,X1) ) ),
    introduced(choice_axiom,[]) ).

fof(f8,plain,
    ! [X1] :
      ( ? [X2] :
        ! [X3] :
          ( ~ big_s(X2,X3)
          | big_d(X3,sK0,X1) )
     => ! [X3] :
          ( ~ big_s(sK1(X1),X3)
          | big_d(X3,sK0,X1) ) ),
    introduced(choice_axiom,[]) ).

fof(f9,plain,
    ! [X4] :
      ( ? [X5] :
        ! [X6] :
        ? [X7] :
          ( ? [X8] :
              ( ~ big_d(X8,X4,X5)
              & big_f(X7,X8) )
          & big_s(X6,X7) )
     => ! [X6] :
        ? [X7] :
          ( ? [X8] :
              ( ~ big_d(X8,X4,sK2(X4))
              & big_f(X7,X8) )
          & big_s(X6,X7) ) ),
    introduced(choice_axiom,[]) ).

fof(f10,plain,
    ! [X4,X6] :
      ( ? [X7] :
          ( ? [X8] :
              ( ~ big_d(X8,X4,sK2(X4))
              & big_f(X7,X8) )
          & big_s(X6,X7) )
     => ( ? [X8] :
            ( ~ big_d(X8,X4,sK2(X4))
            & big_f(sK3(X4,X6),X8) )
        & big_s(X6,sK3(X4,X6)) ) ),
    introduced(choice_axiom,[]) ).

fof(f11,plain,
    ! [X4,X6] :
      ( ? [X8] :
          ( ~ big_d(X8,X4,sK2(X4))
          & big_f(sK3(X4,X6),X8) )
     => ( ~ big_d(sK4(X4,X6),X4,sK2(X4))
        & big_f(sK3(X4,X6),sK4(X4,X6)) ) ),
    introduced(choice_axiom,[]) ).

fof(f12,plain,
    ! [X9] :
      ( ? [X10] : big_f(X9,X10)
     => big_f(X9,sK5(X9)) ),
    introduced(choice_axiom,[]) ).

fof(f13,plain,
    ! [X11] :
      ( ? [X12] :
        ! [X13,X14] :
          ( ~ big_d(X13,X14,X12)
          | ! [X15,X16] :
              ( ~ big_f(X13,X16)
              | big_d(X16,X15,X11)
              | ~ big_f(X14,X15) ) )
     => ! [X14,X13] :
          ( ~ big_d(X13,X14,sK6(X11))
          | ! [X15,X16] :
              ( ~ big_f(X13,X16)
              | big_d(X16,X15,X11)
              | ~ big_f(X14,X15) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f6,plain,
    ( ? [X0] :
      ! [X1] :
      ? [X2] :
      ! [X3] :
        ( ~ big_s(X2,X3)
        | big_d(X3,X0,X1) )
    & ! [X4] :
      ? [X5] :
      ! [X6] :
      ? [X7] :
        ( ? [X8] :
            ( ~ big_d(X8,X4,X5)
            & big_f(X7,X8) )
        & big_s(X6,X7) )
    & ! [X9] :
      ? [X10] : big_f(X9,X10)
    & ! [X11] :
      ? [X12] :
      ! [X13,X14] :
        ( ~ big_d(X13,X14,X12)
        | ! [X15,X16] :
            ( ~ big_f(X13,X16)
            | big_d(X16,X15,X11)
            | ~ big_f(X14,X15) ) ) ),
    inference(rectify,[],[f5]) ).

fof(f5,plain,
    ( ? [X0] :
      ! [X1] :
      ? [X2] :
      ! [X3] :
        ( ~ big_s(X2,X3)
        | big_d(X3,X0,X1) )
    & ! [X12] :
      ? [X13] :
      ! [X14] :
      ? [X15] :
        ( ? [X16] :
            ( ~ big_d(X16,X12,X13)
            & big_f(X15,X16) )
        & big_s(X14,X15) )
    & ! [X4] :
      ? [X5] : big_f(X4,X5)
    & ! [X6] :
      ? [X7] :
      ! [X9,X8] :
        ( ~ big_d(X9,X8,X7)
        | ! [X11,X10] :
            ( ~ big_f(X9,X10)
            | big_d(X10,X11,X6)
            | ~ big_f(X8,X11) ) ) ),
    inference(flattening,[],[f4]) ).

fof(f4,plain,
    ( ! [X12] :
      ? [X13] :
      ! [X14] :
      ? [X15] :
        ( ? [X16] :
            ( ~ big_d(X16,X12,X13)
            & big_f(X15,X16) )
        & big_s(X14,X15) )
    & ! [X6] :
      ? [X7] :
      ! [X9,X8] :
        ( ! [X10,X11] :
            ( big_d(X10,X11,X6)
            | ~ big_f(X9,X10)
            | ~ big_f(X8,X11) )
        | ~ big_d(X9,X8,X7) )
    & ? [X0] :
      ! [X1] :
      ? [X2] :
      ! [X3] :
        ( ~ big_s(X2,X3)
        | big_d(X3,X0,X1) )
    & ! [X4] :
      ? [X5] : big_f(X4,X5) ),
    inference(ennf_transformation,[],[f3]) ).

fof(f3,plain,
    ~ ( ( ! [X6] :
          ? [X7] :
          ! [X9,X8] :
            ( big_d(X9,X8,X7)
           => ! [X10,X11] :
                ( ( big_f(X9,X10)
                  & big_f(X8,X11) )
               => big_d(X10,X11,X6) ) )
        & ? [X0] :
          ! [X1] :
          ? [X2] :
          ! [X3] :
            ( big_s(X2,X3)
           => big_d(X3,X0,X1) )
        & ! [X4] :
          ? [X5] : big_f(X4,X5) )
     => ? [X12] :
        ! [X13] :
        ? [X14] :
        ! [X15] :
          ( big_s(X14,X15)
         => ! [X16] :
              ( big_f(X15,X16)
             => big_d(X16,X12,X13) ) ) ),
    inference(rectify,[],[f2]) ).

fof(f2,negated_conjecture,
    ~ ( ( ? [X0] :
          ! [X2] :
          ? [X3] :
          ! [X4] :
            ( big_s(X3,X4)
           => big_d(X4,X0,X2) )
        & ! [X0] :
          ? [X1] : big_f(X0,X1)
        & ! [X2] :
          ? [X5] :
          ! [X7,X6] :
            ( big_d(X6,X7,X5)
           => ! [X1,X8] :
                ( ( big_f(X7,X8)
                  & big_f(X6,X1) )
               => big_d(X1,X8,X2) ) ) )
     => ? [X1] :
        ! [X2] :
        ? [X9] :
        ! [X4] :
          ( big_s(X9,X4)
         => ! [X8] :
              ( big_f(X4,X8)
             => big_d(X8,X1,X2) ) ) ),
    inference(negated_conjecture,[],[f1]) ).

fof(f1,conjecture,
    ( ( ? [X0] :
        ! [X2] :
        ? [X3] :
        ! [X4] :
          ( big_s(X3,X4)
         => big_d(X4,X0,X2) )
      & ! [X0] :
        ? [X1] : big_f(X0,X1)
      & ! [X2] :
        ? [X5] :
        ! [X7,X6] :
          ( big_d(X6,X7,X5)
         => ! [X1,X8] :
              ( ( big_f(X7,X8)
                & big_f(X6,X1) )
             => big_d(X1,X8,X2) ) ) )
   => ? [X1] :
      ! [X2] :
      ? [X9] :
      ! [X4] :
        ( big_s(X9,X4)
       => ! [X8] :
            ( big_f(X4,X8)
           => big_d(X8,X1,X2) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',x2138) ).

fof(f25,plain,
    ! [X0] : ~ big_f(sK0,X0),
    inference(resolution,[],[f23,f19]) ).

fof(f19,plain,
    ! [X6,X4] : ~ big_d(sK4(X4,X6),X4,sK2(X4)),
    inference(cnf_transformation,[],[f14]) ).

fof(f23,plain,
    ! [X2,X0,X1] :
      ( big_d(sK4(X0,sK1(sK6(X1))),X2,X1)
      | ~ big_f(sK0,X2) ),
    inference(resolution,[],[f22,f18]) ).

fof(f18,plain,
    ! [X6,X4] : big_f(sK3(X4,X6),sK4(X4,X6)),
    inference(cnf_transformation,[],[f14]) ).

fof(f22,plain,
    ! [X2,X3,X0,X1] :
      ( ~ big_f(sK3(X3,sK1(sK6(X2))),X0)
      | big_d(X0,X1,X2)
      | ~ big_f(sK0,X1) ),
    inference(resolution,[],[f15,f21]) ).

fof(f21,plain,
    ! [X0,X1] : big_d(sK3(X0,sK1(X1)),sK0,X1),
    inference(resolution,[],[f20,f17]) ).

fof(f17,plain,
    ! [X6,X4] : big_s(X6,sK3(X4,X6)),
    inference(cnf_transformation,[],[f14]) ).

fof(f20,plain,
    ! [X3,X1] :
      ( ~ big_s(sK1(X1),X3)
      | big_d(X3,sK0,X1) ),
    inference(cnf_transformation,[],[f14]) ).

fof(f15,plain,
    ! [X11,X16,X14,X15,X13] :
      ( ~ big_d(X13,X14,sK6(X11))
      | big_d(X16,X15,X11)
      | ~ big_f(X14,X15)
      | ~ big_f(X13,X16) ),
    inference(cnf_transformation,[],[f14]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem    : SYN386+1 : TPTP v8.1.0. Released v2.0.0.
% 0.04/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.14/0.34  % Computer : n025.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit   : 300
% 0.14/0.34  % WCLimit    : 300
% 0.14/0.34  % DateTime   : Tue Aug 30 21:59:30 EDT 2022
% 0.14/0.35  % CPUTime    : 
% 0.20/0.51  % (4710)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 (3000ds/191324Mi)
% 0.20/0.51  TRYING [1]
% 0.20/0.51  TRYING [2]
% 0.20/0.51  TRYING [3]
% 0.20/0.51  % (4713)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/51Mi)
% 0.20/0.52  % (4735)ott+10_1:1_kws=precedence:tgt=ground:i=482:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/482Mi)
% 0.20/0.52  % (4735)First to succeed.
% 0.20/0.52  % (4711)ott+10_1:32_abs=on:br=off:urr=ec_only:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/50Mi)
% 0.20/0.52  % (4711)Refutation not found, incomplete strategy% (4711)------------------------------
% 0.20/0.52  % (4711)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.52  % (4711)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.52  % (4711)Termination reason: Refutation not found, incomplete strategy
% 0.20/0.52  
% 0.20/0.52  % (4711)Memory used [KB]: 5373
% 0.20/0.52  % (4711)Time elapsed: 0.115 s
% 0.20/0.52  % (4711)Instructions burned: 2 (million)
% 0.20/0.52  % (4711)------------------------------
% 0.20/0.52  % (4711)------------------------------
% 0.20/0.53  % (4714)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/51Mi)
% 0.20/0.53  % (4727)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 (3000ds/99Mi)
% 0.20/0.53  % (4714)Also succeeded, but the first one will report.
% 0.20/0.53  % (4735)Refutation found. Thanks to Tanya!
% 0.20/0.53  % SZS status Theorem for theBenchmark
% 0.20/0.53  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.53  % (4735)------------------------------
% 0.20/0.53  % (4735)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.53  % (4735)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.53  % (4735)Termination reason: Refutation
% 0.20/0.53  
% 0.20/0.53  % (4735)Memory used [KB]: 5373
% 0.20/0.53  % (4735)Time elapsed: 0.115 s
% 0.20/0.53  % (4735)Instructions burned: 2 (million)
% 0.20/0.53  % (4735)------------------------------
% 0.20/0.53  % (4735)------------------------------
% 0.20/0.53  % (4707)Success in time 0.172 s
%------------------------------------------------------------------------------