TSTP Solution File: SET867+1 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : SET867+1 : 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 : 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 : Wed Aug 31 18:22:38 EDT 2022

% Result   : Theorem 0.19s 0.51s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   25 (   8 unt;   0 def)
%            Number of atoms       :  103 (  23 equ)
%            Maximal formula atoms :   14 (   4 avg)
%            Number of connectives :  122 (  44   ~;  41   |;  28   &)
%                                         (   5 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   1 con; 0-2 aty)
%            Number of variables   :   64 (  48   !;  16   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f52,plain,
    $false,
    inference(subsumption_resolution,[],[f50,f38]) ).

fof(f38,plain,
    empty_set != union(empty_set),
    inference(cnf_transformation,[],[f11]) ).

fof(f11,plain,
    empty_set != union(empty_set),
    inference(flattening,[],[f8]) ).

fof(f8,negated_conjecture,
    empty_set != union(empty_set),
    inference(negated_conjecture,[],[f7]) ).

fof(f7,conjecture,
    empty_set = union(empty_set),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_zfmisc_1) ).

fof(f50,plain,
    empty_set = union(empty_set),
    inference(resolution,[],[f46,f33]) ).

fof(f33,plain,
    ! [X0] :
      ( in(sK3(X0),X0)
      | empty_set = X0 ),
    inference(cnf_transformation,[],[f22]) ).

fof(f22,plain,
    ! [X0] :
      ( ( ! [X1] : ~ in(X1,X0)
        | empty_set != X0 )
      & ( empty_set = X0
        | in(sK3(X0),X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3])],[f20,f21]) ).

fof(f21,plain,
    ! [X0] :
      ( ? [X2] : in(X2,X0)
     => in(sK3(X0),X0) ),
    introduced(choice_axiom,[]) ).

fof(f20,plain,
    ! [X0] :
      ( ( ! [X1] : ~ in(X1,X0)
        | empty_set != X0 )
      & ( empty_set = X0
        | ? [X2] : in(X2,X0) ) ),
    inference(rectify,[],[f19]) ).

fof(f19,plain,
    ! [X0] :
      ( ( ! [X1] : ~ in(X1,X0)
        | empty_set != X0 )
      & ( empty_set = X0
        | ? [X1] : in(X1,X0) ) ),
    inference(nnf_transformation,[],[f2]) ).

fof(f2,axiom,
    ! [X0] :
      ( ! [X1] : ~ in(X1,X0)
    <=> empty_set = X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_xboole_0) ).

fof(f46,plain,
    ! [X0] : ~ in(X0,union(empty_set)),
    inference(resolution,[],[f40,f43]) ).

fof(f43,plain,
    ! [X1] : ~ in(X1,empty_set),
    inference(equality_resolution,[],[f34]) ).

fof(f34,plain,
    ! [X0,X1] :
      ( ~ in(X1,X0)
      | empty_set != X0 ),
    inference(cnf_transformation,[],[f22]) ).

fof(f40,plain,
    ! [X2,X1] :
      ( in(sK0(X1,X2),X1)
      | ~ in(X2,union(X1)) ),
    inference(equality_resolution,[],[f32]) ).

fof(f32,plain,
    ! [X2,X0,X1] :
      ( in(sK0(X1,X2),X1)
      | ~ in(X2,X0)
      | union(X1) != X0 ),
    inference(cnf_transformation,[],[f18]) ).

fof(f18,plain,
    ! [X0,X1] :
      ( ( ! [X2] :
            ( ( ( in(sK0(X1,X2),X1)
                & in(X2,sK0(X1,X2)) )
              | ~ in(X2,X0) )
            & ( in(X2,X0)
              | ! [X4] :
                  ( ~ in(X4,X1)
                  | ~ in(X2,X4) ) ) )
        | union(X1) != X0 )
      & ( union(X1) = X0
        | ( ( ~ in(sK1(X0,X1),X0)
            | ! [X6] :
                ( ~ in(X6,X1)
                | ~ in(sK1(X0,X1),X6) ) )
          & ( in(sK1(X0,X1),X0)
            | ( in(sK2(X0,X1),X1)
              & in(sK1(X0,X1),sK2(X0,X1)) ) ) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2])],[f14,f17,f16,f15]) ).

fof(f15,plain,
    ! [X1,X2] :
      ( ? [X3] :
          ( in(X3,X1)
          & in(X2,X3) )
     => ( in(sK0(X1,X2),X1)
        & in(X2,sK0(X1,X2)) ) ),
    introduced(choice_axiom,[]) ).

fof(f16,plain,
    ! [X0,X1] :
      ( ? [X5] :
          ( ( ~ in(X5,X0)
            | ! [X6] :
                ( ~ in(X6,X1)
                | ~ in(X5,X6) ) )
          & ( in(X5,X0)
            | ? [X7] :
                ( in(X7,X1)
                & in(X5,X7) ) ) )
     => ( ( ~ in(sK1(X0,X1),X0)
          | ! [X6] :
              ( ~ in(X6,X1)
              | ~ in(sK1(X0,X1),X6) ) )
        & ( in(sK1(X0,X1),X0)
          | ? [X7] :
              ( in(X7,X1)
              & in(sK1(X0,X1),X7) ) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f17,plain,
    ! [X0,X1] :
      ( ? [X7] :
          ( in(X7,X1)
          & in(sK1(X0,X1),X7) )
     => ( in(sK2(X0,X1),X1)
        & in(sK1(X0,X1),sK2(X0,X1)) ) ),
    introduced(choice_axiom,[]) ).

fof(f14,plain,
    ! [X0,X1] :
      ( ( ! [X2] :
            ( ( ? [X3] :
                  ( in(X3,X1)
                  & in(X2,X3) )
              | ~ in(X2,X0) )
            & ( in(X2,X0)
              | ! [X4] :
                  ( ~ in(X4,X1)
                  | ~ in(X2,X4) ) ) )
        | union(X1) != X0 )
      & ( union(X1) = X0
        | ? [X5] :
            ( ( ~ in(X5,X0)
              | ! [X6] :
                  ( ~ in(X6,X1)
                  | ~ in(X5,X6) ) )
            & ( in(X5,X0)
              | ? [X7] :
                  ( in(X7,X1)
                  & in(X5,X7) ) ) ) ) ),
    inference(rectify,[],[f13]) ).

fof(f13,plain,
    ! [X0,X1] :
      ( ( ! [X2] :
            ( ( ? [X3] :
                  ( in(X3,X1)
                  & in(X2,X3) )
              | ~ in(X2,X0) )
            & ( in(X2,X0)
              | ! [X3] :
                  ( ~ in(X3,X1)
                  | ~ in(X2,X3) ) ) )
        | union(X1) != X0 )
      & ( union(X1) = X0
        | ? [X2] :
            ( ( ~ in(X2,X0)
              | ! [X3] :
                  ( ~ in(X3,X1)
                  | ~ in(X2,X3) ) )
            & ( in(X2,X0)
              | ? [X3] :
                  ( in(X3,X1)
                  & in(X2,X3) ) ) ) ) ),
    inference(nnf_transformation,[],[f10]) ).

fof(f10,plain,
    ! [X0,X1] :
      ( ! [X2] :
          ( ? [X3] :
              ( in(X3,X1)
              & in(X2,X3) )
        <=> in(X2,X0) )
    <=> union(X1) = X0 ),
    inference(rectify,[],[f3]) ).

fof(f3,axiom,
    ! [X1,X0] :
      ( ! [X2] :
          ( ? [X3] :
              ( in(X2,X3)
              & in(X3,X0) )
        <=> in(X2,X1) )
    <=> union(X0) = X1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_tarski) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : SET867+1 : TPTP v8.1.0. Released v3.2.0.
% 0.07/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.13/0.34  % Computer : n023.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit   : 300
% 0.13/0.34  % WCLimit    : 300
% 0.13/0.34  % DateTime   : Tue Aug 30 14:48:50 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.19/0.50  % (31955)dis+1002_1:1_aac=none:bd=off:sac=on:sos=on:spb=units:i=3:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/3Mi)
% 0.19/0.51  % (31976)dis+10_1:1_av=off:sos=on:sp=reverse_arity:ss=included:st=2.0:to=lpo:urr=ec_only:i=45:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/45Mi)
% 0.19/0.51  % (31968)lrs+10_1:1_drc=off:sp=reverse_frequency:spb=goal:to=lpo:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.19/0.51  % (31958)dis+21_1:1_av=off:sos=on:sp=frequency:ss=included:to=lpo:i=15:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/15Mi)
% 0.19/0.51  % (31960)lrs+2_1:1_lcm=reverse:lma=on:sos=all:spb=goal_then_units:ss=included:urr=on:i=39:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/39Mi)
% 0.19/0.51  % (31958)Refutation not found, incomplete strategy% (31958)------------------------------
% 0.19/0.51  % (31958)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.51  % (31958)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.51  % (31958)Termination reason: Refutation not found, incomplete strategy
% 0.19/0.51  
% 0.19/0.51  % (31958)Memory used [KB]: 1407
% 0.19/0.51  % (31958)Time elapsed: 0.102 s
% 0.19/0.51  % (31958)Instructions burned: 2 (million)
% 0.19/0.51  % (31958)------------------------------
% 0.19/0.51  % (31958)------------------------------
% 0.19/0.51  % (31968)First to succeed.
% 0.19/0.51  % (31955)Refutation not found, incomplete strategy% (31955)------------------------------
% 0.19/0.51  % (31955)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.51  % (31959)dis+1010_1:50_awrs=decay:awrsf=128:nwc=10.0:s2pl=no:sp=frequency:ss=axioms:i=39:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/39Mi)
% 0.19/0.51  % (31953)dis+1002_1:12_drc=off:fd=preordered:tgt=full:i=99978:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99978Mi)
% 0.19/0.51  % (31955)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.51  % (31955)Termination reason: Refutation not found, incomplete strategy
% 0.19/0.51  
% 0.19/0.51  % (31955)Memory used [KB]: 5884
% 0.19/0.51  % (31955)Time elapsed: 0.111 s
% 0.19/0.51  % (31955)Instructions burned: 1 (million)
% 0.19/0.51  % (31955)------------------------------
% 0.19/0.51  % (31955)------------------------------
% 0.19/0.51  % (31961)dis+10_1:1_newcnf=on:sgt=8:sos=on:ss=axioms:to=lpo:urr=on:i=49:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/49Mi)
% 0.19/0.51  % (31960)Also succeeded, but the first one will report.
% 0.19/0.51  % (31968)Refutation found. Thanks to Tanya!
% 0.19/0.51  % SZS status Theorem for theBenchmark
% 0.19/0.51  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.51  % (31968)------------------------------
% 0.19/0.51  % (31968)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.51  % (31968)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.51  % (31968)Termination reason: Refutation
% 0.19/0.51  
% 0.19/0.51  % (31968)Memory used [KB]: 5884
% 0.19/0.51  % (31968)Time elapsed: 0.065 s
% 0.19/0.51  % (31968)Instructions burned: 2 (million)
% 0.19/0.51  % (31968)------------------------------
% 0.19/0.51  % (31968)------------------------------
% 0.19/0.51  % (31952)Success in time 0.162 s
%------------------------------------------------------------------------------