TSTP Solution File: SET046+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SET046+1 : TPTP v8.1.2. Released v2.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n024.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 : Thu Aug 31 15:05:54 EDT 2023

% Result   : Theorem 0.48s 1.16s
% Output   : CNFRefutation 0.48s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   21 (   2 unt;   0 def)
%            Number of atoms       :   71 (   0 equ)
%            Maximal formula atoms :   12 (   3 avg)
%            Number of connectives :   85 (  35   ~;  29   |;  15   &)
%                                         (   4 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    2 (   2 usr;   1 con; 0-1 aty)
%            Number of variables   :   40 (   0 sgn;  20   !;  15   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,conjecture,
    ~ ? [X0] :
      ! [X1] :
        ( element(X1,X0)
      <=> ~ ? [X2] :
              ( element(X2,X1)
              & element(X1,X2) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pel42) ).

fof(f2,negated_conjecture,
    ~ ~ ? [X0] :
        ! [X1] :
          ( element(X1,X0)
        <=> ~ ? [X2] :
                ( element(X2,X1)
                & element(X1,X2) ) ),
    inference(negated_conjecture,[],[f1]) ).

fof(f3,plain,
    ? [X0] :
    ! [X1] :
      ( element(X1,X0)
    <=> ~ ? [X2] :
            ( element(X2,X1)
            & element(X1,X2) ) ),
    inference(flattening,[],[f2]) ).

fof(f4,plain,
    ? [X0] :
    ! [X1] :
      ( element(X1,X0)
    <=> ! [X2] :
          ( ~ element(X2,X1)
          | ~ element(X1,X2) ) ),
    inference(ennf_transformation,[],[f3]) ).

fof(f5,plain,
    ? [X0] :
    ! [X1] :
      ( ( element(X1,X0)
        | ? [X2] :
            ( element(X2,X1)
            & element(X1,X2) ) )
      & ( ! [X2] :
            ( ~ element(X2,X1)
            | ~ element(X1,X2) )
        | ~ element(X1,X0) ) ),
    inference(nnf_transformation,[],[f4]) ).

fof(f6,plain,
    ? [X0] :
    ! [X1] :
      ( ( element(X1,X0)
        | ? [X2] :
            ( element(X2,X1)
            & element(X1,X2) ) )
      & ( ! [X3] :
            ( ~ element(X3,X1)
            | ~ element(X1,X3) )
        | ~ element(X1,X0) ) ),
    inference(rectify,[],[f5]) ).

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

fof(f8,plain,
    ! [X1] :
      ( ? [X2] :
          ( element(X2,X1)
          & element(X1,X2) )
     => ( element(sK1(X1),X1)
        & element(X1,sK1(X1)) ) ),
    introduced(choice_axiom,[]) ).

fof(f9,plain,
    ! [X1] :
      ( ( element(X1,sK0)
        | ( element(sK1(X1),X1)
          & element(X1,sK1(X1)) ) )
      & ( ! [X3] :
            ( ~ element(X3,X1)
            | ~ element(X1,X3) )
        | ~ element(X1,sK0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f6,f8,f7]) ).

fof(f10,plain,
    ! [X3,X1] :
      ( ~ element(X3,X1)
      | ~ element(X1,X3)
      | ~ element(X1,sK0) ),
    inference(cnf_transformation,[],[f9]) ).

fof(f11,plain,
    ! [X1] :
      ( element(X1,sK0)
      | element(X1,sK1(X1)) ),
    inference(cnf_transformation,[],[f9]) ).

fof(f12,plain,
    ! [X1] :
      ( element(X1,sK0)
      | element(sK1(X1),X1) ),
    inference(cnf_transformation,[],[f9]) ).

cnf(c_49,negated_conjecture,
    ( element(sK1(X0),X0)
    | element(X0,sK0) ),
    inference(cnf_transformation,[],[f12]) ).

cnf(c_50,negated_conjecture,
    ( element(X0,sK1(X0))
    | element(X0,sK0) ),
    inference(cnf_transformation,[],[f11]) ).

cnf(c_51,negated_conjecture,
    ( ~ element(X0,X1)
    | ~ element(X1,X0)
    | ~ element(X0,sK0) ),
    inference(cnf_transformation,[],[f10]) ).

cnf(c_52,plain,
    ( element(sK0,sK1(sK0))
    | element(sK0,sK0) ),
    inference(instantiation,[status(thm)],[c_50]) ).

cnf(c_53,plain,
    ( element(sK1(sK0),sK0)
    | element(sK0,sK0) ),
    inference(instantiation,[status(thm)],[c_49]) ).

cnf(c_54,plain,
    ~ element(sK0,sK0),
    inference(instantiation,[status(thm)],[c_51]) ).

cnf(c_69,plain,
    ( ~ element(sK1(sK0),X0)
    | ~ element(X0,sK1(sK0))
    | ~ element(sK1(sK0),sK0) ),
    inference(instantiation,[status(thm)],[c_51]) ).

cnf(c_71,plain,
    ( ~ element(sK1(sK0),sK0)
    | ~ element(sK0,sK1(sK0)) ),
    inference(instantiation,[status(thm)],[c_69]) ).

cnf(c_72,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_71,c_54,c_53,c_52]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET046+1 : TPTP v8.1.2. Released v2.0.0.
% 0.07/0.13  % Command  : run_iprover %s %d THM
% 0.14/0.34  % Computer : n024.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 : Sat Aug 26 08:41:54 EDT 2023
% 0.14/0.35  % CPUTime  : 
% 0.21/0.47  Running first-order theorem proving
% 0.21/0.47  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.48/1.16  % SZS status Started for theBenchmark.p
% 0.48/1.16  % SZS status Theorem for theBenchmark.p
% 0.48/1.16  
% 0.48/1.16  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 0.48/1.16  
% 0.48/1.16  ------  iProver source info
% 0.48/1.16  
% 0.48/1.16  git: date: 2023-05-31 18:12:56 +0000
% 0.48/1.16  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 0.48/1.16  git: non_committed_changes: false
% 0.48/1.16  git: last_make_outside_of_git: false
% 0.48/1.16  
% 0.48/1.16  ------ Parsing...
% 0.48/1.16  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 0.48/1.16  
% 0.48/1.16  ------ Preprocessing... sf_s  rm: 0 0s  sf_e  pe_s  pe_e 
% 0.48/1.16  
% 0.48/1.16  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 0.48/1.16  ------ Proving...
% 0.48/1.16  ------ Problem Properties 
% 0.48/1.16  
% 0.48/1.16  
% 0.48/1.16  clauses                                 3
% 0.48/1.16  conjectures                             3
% 0.48/1.16  EPR                                     1
% 0.48/1.16  Horn                                    1
% 0.48/1.16  unary                                   0
% 0.48/1.16  binary                                  2
% 0.48/1.16  lits                                    7
% 0.48/1.16  lits eq                                 0
% 0.48/1.16  fd_pure                                 0
% 0.48/1.16  fd_pseudo                               0
% 0.48/1.16  fd_cond                                 0
% 0.48/1.16  fd_pseudo_cond                          0
% 0.48/1.16  AC symbols                              0
% 0.48/1.16  
% 0.48/1.16  ------ Schedule dynamic 5 is on 
% 0.48/1.16  
% 0.48/1.16  ------ no equalities: superposition off 
% 0.48/1.16  
% 0.48/1.16  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 0.48/1.16  
% 0.48/1.16  
% 0.48/1.16  ------ 
% 0.48/1.16  Current options:
% 0.48/1.16  ------ 
% 0.48/1.16  
% 0.48/1.16  
% 0.48/1.16  
% 0.48/1.16  
% 0.48/1.16  ------ Proving...
% 0.48/1.16  
% 0.48/1.16  
% 0.48/1.16  % SZS status Theorem for theBenchmark.p
% 0.48/1.16  
% 0.48/1.16  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.48/1.16  
% 0.48/1.16  
%------------------------------------------------------------------------------