TSTP Solution File: SEU151+3 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : SEU151+3 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s

% Computer : n006.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 18:26:55 EDT 2022

% Result   : Theorem 0.18s 0.49s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   30 (  12 unt;   0 def)
%            Number of atoms       :  124 (  94 equ)
%            Maximal formula atoms :   14 (   4 avg)
%            Number of connectives :  159 (  65   ~;  48   |;  40   &)
%                                         (   4 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   6 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   4 con; 0-3 aty)
%            Number of variables   :   77 (  61   !;  16   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f60,plain,
    $false,
    inference(subsumption_resolution,[],[f59,f37]) ).

fof(f37,plain,
    ! [X0,X4] : in(X4,unordered_pair(X0,X4)),
    inference(equality_resolution,[],[f36]) ).

fof(f36,plain,
    ! [X2,X0,X4] :
      ( in(X4,X2)
      | unordered_pair(X0,X4) != X2 ),
    inference(equality_resolution,[],[f24]) ).

fof(f24,plain,
    ! [X2,X0,X1,X4] :
      ( in(X4,X2)
      | X1 != X4
      | unordered_pair(X0,X1) != X2 ),
    inference(cnf_transformation,[],[f17]) ).

fof(f17,plain,
    ! [X0,X1,X2] :
      ( ( unordered_pair(X0,X1) = X2
        | ( ( ( sK0(X0,X1,X2) != X0
              & sK0(X0,X1,X2) != X1 )
            | ~ in(sK0(X0,X1,X2),X2) )
          & ( sK0(X0,X1,X2) = X0
            | sK0(X0,X1,X2) = X1
            | in(sK0(X0,X1,X2),X2) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X2)
              | ( X0 != X4
                & X1 != X4 ) )
            & ( X0 = X4
              | X1 = X4
              | ~ in(X4,X2) ) )
        | unordered_pair(X0,X1) != X2 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f15,f16]) ).

fof(f16,plain,
    ! [X0,X1,X2] :
      ( ? [X3] :
          ( ( ( X0 != X3
              & X1 != X3 )
            | ~ in(X3,X2) )
          & ( X0 = X3
            | X1 = X3
            | in(X3,X2) ) )
     => ( ( ( sK0(X0,X1,X2) != X0
            & sK0(X0,X1,X2) != X1 )
          | ~ in(sK0(X0,X1,X2),X2) )
        & ( sK0(X0,X1,X2) = X0
          | sK0(X0,X1,X2) = X1
          | in(sK0(X0,X1,X2),X2) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f15,plain,
    ! [X0,X1,X2] :
      ( ( unordered_pair(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) ) )
        | unordered_pair(X0,X1) != X2 ) ),
    inference(rectify,[],[f14]) ).

fof(f14,plain,
    ! [X1,X0,X2] :
      ( ( unordered_pair(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) ) )
        | unordered_pair(X1,X0) != X2 ) ),
    inference(flattening,[],[f13]) ).

fof(f13,plain,
    ! [X1,X0,X2] :
      ( ( unordered_pair(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) ) )
        | unordered_pair(X1,X0) != X2 ) ),
    inference(nnf_transformation,[],[f9]) ).

fof(f9,plain,
    ! [X1,X0,X2] :
      ( unordered_pair(X1,X0) = X2
    <=> ! [X3] :
          ( in(X3,X2)
        <=> ( X1 = X3
            | X0 = X3 ) ) ),
    inference(rectify,[],[f3]) ).

fof(f3,axiom,
    ! [X1,X0,X2] :
      ( ! [X3] :
          ( ( X1 = X3
            | X0 = X3 )
        <=> in(X3,X2) )
    <=> unordered_pair(X0,X1) = X2 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d2_tarski) ).

fof(f59,plain,
    ~ in(sK4,unordered_pair(sK1,sK4)),
    inference(forward_demodulation,[],[f56,f40]) ).

fof(f40,plain,
    unordered_pair(sK1,sK4) = unordered_pair(sK2,sK3),
    inference(forward_demodulation,[],[f39,f33]) ).

fof(f33,plain,
    ! [X0,X1] : unordered_pair(X0,X1) = unordered_pair(X1,X0),
    inference(cnf_transformation,[],[f22]) ).

fof(f22,plain,
    ! [X0,X1] : unordered_pair(X0,X1) = unordered_pair(X1,X0),
    inference(rectify,[],[f2]) ).

fof(f2,axiom,
    ! [X1,X0] : unordered_pair(X0,X1) = unordered_pair(X1,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutativity_k2_tarski) ).

fof(f39,plain,
    unordered_pair(sK4,sK1) = unordered_pair(sK2,sK3),
    inference(forward_demodulation,[],[f30,f33]) ).

fof(f30,plain,
    unordered_pair(sK4,sK1) = unordered_pair(sK3,sK2),
    inference(cnf_transformation,[],[f20]) ).

fof(f20,plain,
    ( sK4 != sK3
    & unordered_pair(sK4,sK1) = unordered_pair(sK3,sK2)
    & sK4 != sK2 ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1,sK2,sK3,sK4])],[f18,f19]) ).

fof(f19,plain,
    ( ? [X0,X1,X2,X3] :
        ( X2 != X3
        & unordered_pair(X3,X0) = unordered_pair(X2,X1)
        & X1 != X3 )
   => ( sK4 != sK3
      & unordered_pair(sK4,sK1) = unordered_pair(sK3,sK2)
      & sK4 != sK2 ) ),
    introduced(choice_axiom,[]) ).

fof(f18,plain,
    ? [X0,X1,X2,X3] :
      ( X2 != X3
      & unordered_pair(X3,X0) = unordered_pair(X2,X1)
      & X1 != X3 ),
    inference(rectify,[],[f12]) ).

fof(f12,plain,
    ? [X3,X2,X1,X0] :
      ( X0 != X1
      & unordered_pair(X0,X3) = unordered_pair(X1,X2)
      & X0 != X2 ),
    inference(ennf_transformation,[],[f8]) ).

fof(f8,plain,
    ~ ! [X0,X1,X2,X3] :
        ~ ( X0 != X1
          & unordered_pair(X0,X3) = unordered_pair(X1,X2)
          & X0 != X2 ),
    inference(rectify,[],[f7]) ).

fof(f7,negated_conjecture,
    ~ ! [X0,X2,X3,X1] :
        ~ ( X0 != X3
          & unordered_pair(X0,X1) = unordered_pair(X2,X3)
          & X0 != X2 ),
    inference(negated_conjecture,[],[f6]) ).

fof(f6,conjecture,
    ! [X0,X2,X3,X1] :
      ~ ( X0 != X3
        & unordered_pair(X0,X1) = unordered_pair(X2,X3)
        & X0 != X2 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t10_zfmisc_1) ).

fof(f56,plain,
    ~ in(sK4,unordered_pair(sK2,sK3)),
    inference(unit_resulting_resolution,[],[f29,f31,f38]) ).

fof(f38,plain,
    ! [X0,X1,X4] :
      ( ~ in(X4,unordered_pair(X0,X1))
      | X1 = X4
      | X0 = X4 ),
    inference(equality_resolution,[],[f23]) ).

fof(f23,plain,
    ! [X2,X0,X1,X4] :
      ( X0 = X4
      | X1 = X4
      | ~ in(X4,X2)
      | unordered_pair(X0,X1) != X2 ),
    inference(cnf_transformation,[],[f17]) ).

fof(f31,plain,
    sK4 != sK3,
    inference(cnf_transformation,[],[f20]) ).

fof(f29,plain,
    sK4 != sK2,
    inference(cnf_transformation,[],[f20]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem    : SEU151+3 : TPTP v8.1.0. Released v3.2.0.
% 0.06/0.12  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.12/0.33  % Computer : n006.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 16:08:39 EDT 2022
% 0.12/0.33  % CPUTime    : 
% 0.18/0.48  % (28599)fmb+10_1:1_nm=2:i=3:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/3Mi)
% 0.18/0.48  % (28591)lrs+10_1:1_br=off:sos=on:ss=axioms:st=2.0:urr=on:i=33:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/33Mi)
% 0.18/0.48  TRYING [1]
% 0.18/0.48  % (28599)Instruction limit reached!
% 0.18/0.48  % (28599)------------------------------
% 0.18/0.48  % (28599)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.18/0.48  % (28599)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.18/0.48  % (28599)Termination reason: Unknown
% 0.18/0.48  % (28599)Termination phase: Finite model building constraint generation
% 0.18/0.48  
% 0.18/0.48  % (28599)Memory used [KB]: 5884
% 0.18/0.48  % (28599)Time elapsed: 0.087 s
% 0.18/0.48  % (28599)Instructions burned: 3 (million)
% 0.18/0.48  % (28599)------------------------------
% 0.18/0.48  % (28599)------------------------------
% 0.18/0.49  % (28591)First to succeed.
% 0.18/0.49  % (28604)dis+1010_2:3_fs=off:fsr=off:nm=0:nwc=5.0:s2a=on:s2agt=32:i=82:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/82Mi)
% 0.18/0.49  % (28591)Refutation found. Thanks to Tanya!
% 0.18/0.49  % SZS status Theorem for theBenchmark
% 0.18/0.49  % SZS output start Proof for theBenchmark
% See solution above
% 0.18/0.49  % (28591)------------------------------
% 0.18/0.49  % (28591)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.18/0.49  % (28591)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.18/0.49  % (28591)Termination reason: Refutation
% 0.18/0.49  
% 0.18/0.49  % (28591)Memory used [KB]: 5884
% 0.18/0.49  % (28591)Time elapsed: 0.087 s
% 0.18/0.49  % (28591)Instructions burned: 3 (million)
% 0.18/0.49  % (28591)------------------------------
% 0.18/0.49  % (28591)------------------------------
% 0.18/0.49  % (28580)Success in time 0.148 s
%------------------------------------------------------------------------------