TSTP Solution File: SET867+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SET867+1 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n013.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 15:10:24 EDT 2023

% Result   : Theorem 1.83s 1.17s
% Output   : CNFRefutation 1.83s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   28 (  10 unt;   0 def)
%            Number of atoms       :  105 (  24 equ)
%            Maximal formula atoms :   14 (   3 avg)
%            Number of connectives :  124 (  47   ~;  43   |;  27   &)
%                                         (   3 <=>;   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 (   2 sgn;  44   !;  15   ?)

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

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

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

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

fof(f9,plain,
    empty_set != union(empty_set),
    inference(flattening,[],[f8]) ).

fof(f11,plain,
    ! [X0] :
      ( ( empty_set = X0
        | ? [X1] : in(X1,X0) )
      & ( ! [X1] : ~ in(X1,X0)
        | empty_set != X0 ) ),
    inference(nnf_transformation,[],[f2]) ).

fof(f12,plain,
    ! [X0] :
      ( ( empty_set = X0
        | ? [X1] : in(X1,X0) )
      & ( ! [X2] : ~ in(X2,X0)
        | empty_set != X0 ) ),
    inference(rectify,[],[f11]) ).

fof(f13,plain,
    ! [X0] :
      ( ? [X1] : in(X1,X0)
     => in(sK0(X0),X0) ),
    introduced(choice_axiom,[]) ).

fof(f14,plain,
    ! [X0] :
      ( ( empty_set = X0
        | in(sK0(X0),X0) )
      & ( ! [X2] : ~ in(X2,X0)
        | empty_set != X0 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f12,f13]) ).

fof(f15,plain,
    ! [X0,X1] :
      ( ( union(X0) = X1
        | ? [X2] :
            ( ( ! [X3] :
                  ( ~ in(X3,X0)
                  | ~ in(X2,X3) )
              | ~ in(X2,X1) )
            & ( ? [X3] :
                  ( in(X3,X0)
                  & in(X2,X3) )
              | in(X2,X1) ) ) )
      & ( ! [X2] :
            ( ( in(X2,X1)
              | ! [X3] :
                  ( ~ in(X3,X0)
                  | ~ in(X2,X3) ) )
            & ( ? [X3] :
                  ( in(X3,X0)
                  & in(X2,X3) )
              | ~ in(X2,X1) ) )
        | union(X0) != X1 ) ),
    inference(nnf_transformation,[],[f3]) ).

fof(f16,plain,
    ! [X0,X1] :
      ( ( union(X0) = X1
        | ? [X2] :
            ( ( ! [X3] :
                  ( ~ in(X3,X0)
                  | ~ in(X2,X3) )
              | ~ in(X2,X1) )
            & ( ? [X4] :
                  ( in(X4,X0)
                  & in(X2,X4) )
              | in(X2,X1) ) ) )
      & ( ! [X5] :
            ( ( in(X5,X1)
              | ! [X6] :
                  ( ~ in(X6,X0)
                  | ~ in(X5,X6) ) )
            & ( ? [X7] :
                  ( in(X7,X0)
                  & in(X5,X7) )
              | ~ in(X5,X1) ) )
        | union(X0) != X1 ) ),
    inference(rectify,[],[f15]) ).

fof(f17,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ( ! [X3] :
                ( ~ in(X3,X0)
                | ~ in(X2,X3) )
            | ~ in(X2,X1) )
          & ( ? [X4] :
                ( in(X4,X0)
                & in(X2,X4) )
            | in(X2,X1) ) )
     => ( ( ! [X3] :
              ( ~ in(X3,X0)
              | ~ in(sK1(X0,X1),X3) )
          | ~ in(sK1(X0,X1),X1) )
        & ( ? [X4] :
              ( in(X4,X0)
              & in(sK1(X0,X1),X4) )
          | in(sK1(X0,X1),X1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f18,plain,
    ! [X0,X1] :
      ( ? [X4] :
          ( in(X4,X0)
          & in(sK1(X0,X1),X4) )
     => ( in(sK2(X0,X1),X0)
        & in(sK1(X0,X1),sK2(X0,X1)) ) ),
    introduced(choice_axiom,[]) ).

fof(f19,plain,
    ! [X0,X5] :
      ( ? [X7] :
          ( in(X7,X0)
          & in(X5,X7) )
     => ( in(sK3(X0,X5),X0)
        & in(X5,sK3(X0,X5)) ) ),
    introduced(choice_axiom,[]) ).

fof(f20,plain,
    ! [X0,X1] :
      ( ( union(X0) = X1
        | ( ( ! [X3] :
                ( ~ in(X3,X0)
                | ~ in(sK1(X0,X1),X3) )
            | ~ in(sK1(X0,X1),X1) )
          & ( ( in(sK2(X0,X1),X0)
              & in(sK1(X0,X1),sK2(X0,X1)) )
            | in(sK1(X0,X1),X1) ) ) )
      & ( ! [X5] :
            ( ( in(X5,X1)
              | ! [X6] :
                  ( ~ in(X6,X0)
                  | ~ in(X5,X6) ) )
            & ( ( in(sK3(X0,X5),X0)
                & in(X5,sK3(X0,X5)) )
              | ~ in(X5,X1) ) )
        | union(X0) != X1 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1,sK2,sK3])],[f16,f19,f18,f17]) ).

fof(f26,plain,
    ! [X2,X0] :
      ( ~ in(X2,X0)
      | empty_set != X0 ),
    inference(cnf_transformation,[],[f14]) ).

fof(f27,plain,
    ! [X0] :
      ( empty_set = X0
      | in(sK0(X0),X0) ),
    inference(cnf_transformation,[],[f14]) ).

fof(f29,plain,
    ! [X0,X1,X5] :
      ( in(sK3(X0,X5),X0)
      | ~ in(X5,X1)
      | union(X0) != X1 ),
    inference(cnf_transformation,[],[f20]) ).

fof(f37,plain,
    empty_set != union(empty_set),
    inference(cnf_transformation,[],[f9]) ).

fof(f38,plain,
    ! [X2] : ~ in(X2,empty_set),
    inference(equality_resolution,[],[f26]) ).

fof(f40,plain,
    ! [X0,X5] :
      ( in(sK3(X0,X5),X0)
      | ~ in(X5,union(X0)) ),
    inference(equality_resolution,[],[f29]) ).

cnf(c_50,plain,
    ( X0 = empty_set
    | in(sK0(X0),X0) ),
    inference(cnf_transformation,[],[f27]) ).

cnf(c_51,plain,
    ~ in(X0,empty_set),
    inference(cnf_transformation,[],[f38]) ).

cnf(c_56,plain,
    ( ~ in(X0,union(X1))
    | in(sK3(X1,X0),X1) ),
    inference(cnf_transformation,[],[f40]) ).

cnf(c_61,negated_conjecture,
    union(empty_set) != empty_set,
    inference(cnf_transformation,[],[f37]) ).

cnf(c_370,plain,
    ~ in(X0,union(empty_set)),
    inference(superposition,[status(thm)],[c_56,c_51]) ).

cnf(c_436,plain,
    union(empty_set) = empty_set,
    inference(superposition,[status(thm)],[c_50,c_370]) ).

cnf(c_440,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[c_436,c_61]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SET867+1 : TPTP v8.1.2. Released v3.2.0.
% 0.00/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.34  % Computer : n013.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 : Sat Aug 26 14:53:17 EDT 2023
% 0.19/0.35  % CPUTime  : 
% 0.20/0.47  Running first-order theorem proving
% 0.20/0.47  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 1.83/1.17  % SZS status Started for theBenchmark.p
% 1.83/1.17  % SZS status Theorem for theBenchmark.p
% 1.83/1.17  
% 1.83/1.17  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 1.83/1.17  
% 1.83/1.17  ------  iProver source info
% 1.83/1.17  
% 1.83/1.17  git: date: 2023-05-31 18:12:56 +0000
% 1.83/1.17  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 1.83/1.17  git: non_committed_changes: false
% 1.83/1.17  git: last_make_outside_of_git: false
% 1.83/1.17  
% 1.83/1.17  ------ Parsing...
% 1.83/1.17  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 1.83/1.17  
% 1.83/1.17  ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e 
% 1.83/1.17  
% 1.83/1.17  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 1.83/1.17  
% 1.83/1.17  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 1.83/1.17  ------ Proving...
% 1.83/1.17  ------ Problem Properties 
% 1.83/1.17  
% 1.83/1.17  
% 1.83/1.17  clauses                                 13
% 1.83/1.17  conjectures                             1
% 1.83/1.17  EPR                                     5
% 1.83/1.17  Horn                                    10
% 1.83/1.17  unary                                   5
% 1.83/1.17  binary                                  4
% 1.83/1.17  lits                                    26
% 1.83/1.17  lits eq                                 5
% 1.83/1.17  fd_pure                                 0
% 1.83/1.17  fd_pseudo                               0
% 1.83/1.17  fd_cond                                 1
% 1.83/1.17  fd_pseudo_cond                          3
% 1.83/1.17  AC symbols                              0
% 1.83/1.17  
% 1.83/1.17  ------ Schedule dynamic 5 is on 
% 1.83/1.17  
% 1.83/1.17  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.83/1.17  
% 1.83/1.17  
% 1.83/1.17  ------ 
% 1.83/1.17  Current options:
% 1.83/1.17  ------ 
% 1.83/1.17  
% 1.83/1.17  
% 1.83/1.17  
% 1.83/1.17  
% 1.83/1.17  ------ Proving...
% 1.83/1.17  
% 1.83/1.17  
% 1.83/1.17  % SZS status Theorem for theBenchmark.p
% 1.83/1.17  
% 1.83/1.17  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.83/1.17  
% 1.83/1.17  
%------------------------------------------------------------------------------