TSTP Solution File: SEU148+3 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SEU148+3 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n028.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 17:04:05 EDT 2023

% Result   : Theorem 1.96s 1.16s
% Output   : CNFRefutation 1.96s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   36 (  13 unt;   0 def)
%            Number of atoms       :  108 (  67 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :  120 (  48   ~;  46   |;  19   &)
%                                         (   3 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :   56 (   1 sgn;  39   !;   7   ?)

% 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(f4,axiom,
    ! [X0] : singleton(X0) != empty_set,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l1_zfmisc_1) ).

fof(f5,axiom,
    ! [X0,X1] :
      ( subset(X0,singleton(X1))
    <=> ( singleton(X1) = X0
        | empty_set = X0 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l4_zfmisc_1) ).

fof(f9,conjecture,
    ! [X0,X1] :
      ( subset(singleton(X0),singleton(X1))
     => X0 = X1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_zfmisc_1) ).

fof(f10,negated_conjecture,
    ~ ! [X0,X1] :
        ( subset(singleton(X0),singleton(X1))
       => X0 = X1 ),
    inference(negated_conjecture,[],[f9]) ).

fof(f13,plain,
    ? [X0,X1] :
      ( X0 != X1
      & subset(singleton(X0),singleton(X1)) ),
    inference(ennf_transformation,[],[f10]) ).

fof(f14,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(f15,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,[],[f14]) ).

fof(f16,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(f17,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])],[f15,f16]) ).

fof(f18,plain,
    ! [X0,X1] :
      ( ( subset(X0,singleton(X1))
        | ( singleton(X1) != X0
          & empty_set != X0 ) )
      & ( singleton(X1) = X0
        | empty_set = X0
        | ~ subset(X0,singleton(X1)) ) ),
    inference(nnf_transformation,[],[f5]) ).

fof(f19,plain,
    ! [X0,X1] :
      ( ( subset(X0,singleton(X1))
        | ( singleton(X1) != X0
          & empty_set != X0 ) )
      & ( singleton(X1) = X0
        | empty_set = X0
        | ~ subset(X0,singleton(X1)) ) ),
    inference(flattening,[],[f18]) ).

fof(f24,plain,
    ( ? [X0,X1] :
        ( X0 != X1
        & subset(singleton(X0),singleton(X1)) )
   => ( sK3 != sK4
      & subset(singleton(sK3),singleton(sK4)) ) ),
    introduced(choice_axiom,[]) ).

fof(f25,plain,
    ( sK3 != sK4
    & subset(singleton(sK3),singleton(sK4)) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3,sK4])],[f13,f24]) ).

fof(f27,plain,
    ! [X3,X0,X1] :
      ( X0 = X3
      | ~ in(X3,X1)
      | singleton(X0) != X1 ),
    inference(cnf_transformation,[],[f17]) ).

fof(f28,plain,
    ! [X3,X0,X1] :
      ( in(X3,X1)
      | X0 != X3
      | singleton(X0) != X1 ),
    inference(cnf_transformation,[],[f17]) ).

fof(f32,plain,
    ! [X0] : singleton(X0) != empty_set,
    inference(cnf_transformation,[],[f4]) ).

fof(f33,plain,
    ! [X0,X1] :
      ( singleton(X1) = X0
      | empty_set = X0
      | ~ subset(X0,singleton(X1)) ),
    inference(cnf_transformation,[],[f19]) ).

fof(f39,plain,
    subset(singleton(sK3),singleton(sK4)),
    inference(cnf_transformation,[],[f25]) ).

fof(f40,plain,
    sK3 != sK4,
    inference(cnf_transformation,[],[f25]) ).

fof(f41,plain,
    ! [X3,X1] :
      ( in(X3,X1)
      | singleton(X3) != X1 ),
    inference(equality_resolution,[],[f28]) ).

fof(f42,plain,
    ! [X3] : in(X3,singleton(X3)),
    inference(equality_resolution,[],[f41]) ).

fof(f43,plain,
    ! [X3,X0] :
      ( X0 = X3
      | ~ in(X3,singleton(X0)) ),
    inference(equality_resolution,[],[f27]) ).

cnf(c_52,plain,
    in(X0,singleton(X0)),
    inference(cnf_transformation,[],[f42]) ).

cnf(c_53,plain,
    ( ~ in(X0,singleton(X1))
    | X0 = X1 ),
    inference(cnf_transformation,[],[f43]) ).

cnf(c_55,plain,
    singleton(X0) != empty_set,
    inference(cnf_transformation,[],[f32]) ).

cnf(c_58,plain,
    ( ~ subset(X0,singleton(X1))
    | singleton(X1) = X0
    | X0 = empty_set ),
    inference(cnf_transformation,[],[f33]) ).

cnf(c_62,negated_conjecture,
    sK3 != sK4,
    inference(cnf_transformation,[],[f40]) ).

cnf(c_63,negated_conjecture,
    subset(singleton(sK3),singleton(sK4)),
    inference(cnf_transformation,[],[f39]) ).

cnf(c_163,plain,
    ( singleton(X0) != singleton(sK4)
    | singleton(sK3) != X1
    | singleton(X0) = X1
    | X1 = empty_set ),
    inference(resolution_lifted,[status(thm)],[c_58,c_63]) ).

cnf(c_164,plain,
    ( singleton(X0) != singleton(sK4)
    | singleton(X0) = singleton(sK3)
    | singleton(sK3) = empty_set ),
    inference(unflattening,[status(thm)],[c_163]) ).

cnf(c_172,plain,
    ( singleton(X0) != singleton(sK4)
    | singleton(X0) = singleton(sK3) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_164,c_55]) ).

cnf(c_389,plain,
    singleton(sK3) = singleton(sK4),
    inference(equality_resolution,[status(thm)],[c_172]) ).

cnf(c_391,plain,
    in(sK4,singleton(sK3)),
    inference(superposition,[status(thm)],[c_389,c_52]) ).

cnf(c_403,plain,
    sK3 = sK4,
    inference(superposition,[status(thm)],[c_391,c_53]) ).

cnf(c_405,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[c_403,c_62]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem  : SEU148+3 : TPTP v8.1.2. Released v3.2.0.
% 0.00/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.35  % Computer : n028.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 300
% 0.13/0.35  % DateTime : Wed Aug 23 16:52:34 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.21/0.49  Running first-order theorem proving
% 0.21/0.49  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 1.96/1.16  % SZS status Started for theBenchmark.p
% 1.96/1.16  % SZS status Theorem for theBenchmark.p
% 1.96/1.16  
% 1.96/1.16  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 1.96/1.16  
% 1.96/1.16  ------  iProver source info
% 1.96/1.16  
% 1.96/1.16  git: date: 2023-05-31 18:12:56 +0000
% 1.96/1.16  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 1.96/1.16  git: non_committed_changes: false
% 1.96/1.16  git: last_make_outside_of_git: false
% 1.96/1.16  
% 1.96/1.16  ------ Parsing...
% 1.96/1.16  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 1.96/1.16  
% 1.96/1.16  ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe:1:0s pe_e  sup_sim: 0  sf_s  rm: 2 0s  sf_e  pe_s  pe_e 
% 1.96/1.16  
% 1.96/1.16  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 1.96/1.16  
% 1.96/1.16  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 1.96/1.16  ------ Proving...
% 1.96/1.16  ------ Problem Properties 
% 1.96/1.16  
% 1.96/1.16  
% 1.96/1.16  clauses                                 11
% 1.96/1.16  conjectures                             1
% 1.96/1.16  EPR                                     5
% 1.96/1.16  Horn                                    10
% 1.96/1.16  unary                                   6
% 1.96/1.16  binary                                  3
% 1.96/1.16  lits                                    18
% 1.96/1.16  lits eq                                 9
% 1.96/1.16  fd_pure                                 0
% 1.96/1.16  fd_pseudo                               0
% 1.96/1.16  fd_cond                                 0
% 1.96/1.16  fd_pseudo_cond                          2
% 1.96/1.16  AC symbols                              0
% 1.96/1.16  
% 1.96/1.16  ------ Schedule dynamic 5 is on 
% 1.96/1.16  
% 1.96/1.16  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.96/1.16  
% 1.96/1.16  
% 1.96/1.16  ------ 
% 1.96/1.16  Current options:
% 1.96/1.16  ------ 
% 1.96/1.16  
% 1.96/1.16  
% 1.96/1.16  
% 1.96/1.16  
% 1.96/1.16  ------ Proving...
% 1.96/1.16  
% 1.96/1.16  
% 1.96/1.16  % SZS status Theorem for theBenchmark.p
% 1.96/1.16  
% 1.96/1.16  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.96/1.16  
% 1.96/1.16  
%------------------------------------------------------------------------------