TSTP Solution File: SEU143+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SEU143+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n032.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 17:04:02 EDT 2023

% Result   : Theorem 1.28s 0.98s
% Output   : CNFRefutation 1.28s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   26 (  12 unt;   0 def)
%            Number of atoms       :   78 (  43 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :   88 (  36   ~;  32   |;  14   &)
%                                         (   3 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :   44 (   1 sgn;  34   !;   8   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f2,axiom,
    ! [X0,X1] :
      ( singleton(X0) = X1
    <=> ! [X2] :
          ( in(X2,X1)
        <=> X0 = X2 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_tarski) ).

fof(f3,axiom,
    ! [X0] :
      ( empty_set = X0
    <=> ! [X1] : ~ in(X1,X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_xboole_0) ).

fof(f7,conjecture,
    ! [X0] : singleton(X0) != empty_set,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l1_zfmisc_1) ).

fof(f8,negated_conjecture,
    ~ ! [X0] : singleton(X0) != empty_set,
    inference(negated_conjecture,[],[f7]) ).

fof(f12,plain,
    ? [X0] : singleton(X0) = empty_set,
    inference(ennf_transformation,[],[f8]) ).

fof(f13,plain,
    ! [X0,X1] :
      ( ( singleton(X0) = X1
        | ? [X2] :
            ( ( X0 != X2
              | ~ in(X2,X1) )
            & ( X0 = X2
              | in(X2,X1) ) ) )
      & ( ! [X2] :
            ( ( in(X2,X1)
              | X0 != X2 )
            & ( X0 = X2
              | ~ in(X2,X1) ) )
        | singleton(X0) != X1 ) ),
    inference(nnf_transformation,[],[f2]) ).

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

fof(f15,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ( X0 != X2
            | ~ in(X2,X1) )
          & ( X0 = X2
            | in(X2,X1) ) )
     => ( ( sK0(X0,X1) != X0
          | ~ in(sK0(X0,X1),X1) )
        & ( sK0(X0,X1) = X0
          | in(sK0(X0,X1),X1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f16,plain,
    ! [X0,X1] :
      ( ( singleton(X0) = X1
        | ( ( sK0(X0,X1) != X0
            | ~ in(sK0(X0,X1),X1) )
          & ( sK0(X0,X1) = X0
            | in(sK0(X0,X1),X1) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X1)
              | X0 != X3 )
            & ( X0 = X3
              | ~ in(X3,X1) ) )
        | singleton(X0) != X1 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f14,f15]) ).

fof(f17,plain,
    ! [X0] :
      ( ( empty_set = X0
        | ? [X1] : in(X1,X0) )
      & ( ! [X1] : ~ in(X1,X0)
        | empty_set != X0 ) ),
    inference(nnf_transformation,[],[f3]) ).

fof(f18,plain,
    ! [X0] :
      ( ( empty_set = X0
        | ? [X1] : in(X1,X0) )
      & ( ! [X2] : ~ in(X2,X0)
        | empty_set != X0 ) ),
    inference(rectify,[],[f17]) ).

fof(f19,plain,
    ! [X0] :
      ( ? [X1] : in(X1,X0)
     => in(sK1(X0),X0) ),
    introduced(choice_axiom,[]) ).

fof(f20,plain,
    ! [X0] :
      ( ( empty_set = X0
        | in(sK1(X0),X0) )
      & ( ! [X2] : ~ in(X2,X0)
        | empty_set != X0 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1])],[f18,f19]) ).

fof(f21,plain,
    ( ? [X0] : singleton(X0) = empty_set
   => empty_set = singleton(sK2) ),
    introduced(choice_axiom,[]) ).

fof(f22,plain,
    empty_set = singleton(sK2),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2])],[f12,f21]) ).

fof(f29,plain,
    ! [X3,X0,X1] :
      ( in(X3,X1)
      | X0 != X3
      | singleton(X0) != X1 ),
    inference(cnf_transformation,[],[f16]) ).

fof(f32,plain,
    ! [X2,X0] :
      ( ~ in(X2,X0)
      | empty_set != X0 ),
    inference(cnf_transformation,[],[f20]) ).

fof(f35,plain,
    empty_set = singleton(sK2),
    inference(cnf_transformation,[],[f22]) ).

fof(f38,plain,
    ! [X3,X1] :
      ( in(X3,X1)
      | singleton(X3) != X1 ),
    inference(equality_resolution,[],[f29]) ).

fof(f39,plain,
    ! [X3] : in(X3,singleton(X3)),
    inference(equality_resolution,[],[f38]) ).

fof(f41,plain,
    ! [X2] : ~ in(X2,empty_set),
    inference(equality_resolution,[],[f32]) ).

cnf(c_52,plain,
    in(X0,singleton(X0)),
    inference(cnf_transformation,[],[f39]) ).

cnf(c_55,plain,
    ~ in(X0,empty_set),
    inference(cnf_transformation,[],[f41]) ).

cnf(c_57,negated_conjecture,
    singleton(sK2) = empty_set,
    inference(cnf_transformation,[],[f35]) ).

cnf(c_275,plain,
    in(sK2,empty_set),
    inference(superposition,[status(thm)],[c_57,c_52]) ).

cnf(c_276,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[c_275,c_55]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.08  % Problem  : SEU143+1 : TPTP v8.1.2. Released v3.3.0.
% 0.00/0.08  % Command  : run_iprover %s %d THM
% 0.09/0.27  % Computer : n032.cluster.edu
% 0.09/0.27  % Model    : x86_64 x86_64
% 0.09/0.27  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.27  % Memory   : 8042.1875MB
% 0.09/0.27  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.27  % CPULimit : 300
% 0.09/0.27  % WCLimit  : 300
% 0.09/0.27  % DateTime : Wed Aug 23 23:38:11 EDT 2023
% 0.09/0.27  % CPUTime  : 
% 0.11/0.35  Running first-order theorem proving
% 0.11/0.35  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 1.28/0.98  % SZS status Started for theBenchmark.p
% 1.28/0.98  % SZS status Theorem for theBenchmark.p
% 1.28/0.98  
% 1.28/0.98  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 1.28/0.98  
% 1.28/0.98  ------  iProver source info
% 1.28/0.98  
% 1.28/0.98  git: date: 2023-05-31 18:12:56 +0000
% 1.28/0.98  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 1.28/0.98  git: non_committed_changes: false
% 1.28/0.98  git: last_make_outside_of_git: false
% 1.28/0.98  
% 1.28/0.98  ------ Parsing...
% 1.28/0.98  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 1.28/0.98  
% 1.28/0.98  ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e 
% 1.28/0.98  
% 1.28/0.98  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 1.28/0.98  
% 1.28/0.98  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 1.28/0.98  ------ Proving...
% 1.28/0.98  ------ Problem Properties 
% 1.28/0.98  
% 1.28/0.98  
% 1.28/0.98  clauses                                 11
% 1.28/0.98  conjectures                             1
% 1.28/0.98  EPR                                     5
% 1.28/0.98  Horn                                    9
% 1.28/0.98  unary                                   6
% 1.28/0.98  binary                                  3
% 1.28/0.98  lits                                    18
% 1.28/0.98  lits eq                                 7
% 1.28/0.98  fd_pure                                 0
% 1.28/0.98  fd_pseudo                               0
% 1.28/0.98  fd_cond                                 1
% 1.28/0.98  fd_pseudo_cond                          2
% 1.28/0.98  AC symbols                              0
% 1.28/0.98  
% 1.28/0.98  ------ Schedule dynamic 5 is on 
% 1.28/0.98  
% 1.28/0.98  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.28/0.98  
% 1.28/0.98  
% 1.28/0.98  ------ 
% 1.28/0.98  Current options:
% 1.28/0.98  ------ 
% 1.28/0.98  
% 1.28/0.98  
% 1.28/0.98  
% 1.28/0.98  
% 1.28/0.98  ------ Proving...
% 1.28/0.98  
% 1.28/0.98  
% 1.28/0.98  % SZS status Theorem for theBenchmark.p
% 1.28/0.98  
% 1.28/0.98  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.28/0.98  
% 1.28/0.98  
%------------------------------------------------------------------------------