TSTP Solution File: SEU167+3 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SEU167+3 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n007.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 17:04:20 EDT 2023

% Result   : Theorem 1.79s 1.22s
% Output   : CNFRefutation 1.79s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   30 (   7 unt;   0 def)
%            Number of atoms       :   72 (   0 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :   72 (  30   ~;  22   |;  15   &)
%                                         (   0 <=>;   5  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :   56 (   0 sgn;  32   !;  12   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f4,axiom,
    ! [X0,X1,X2] :
      ( subset(X0,X1)
     => ( subset(cartesian_product2(X2,X0),cartesian_product2(X2,X1))
        & subset(cartesian_product2(X0,X2),cartesian_product2(X1,X2)) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t118_zfmisc_1) ).

fof(f5,conjecture,
    ! [X0,X1,X2,X3] :
      ( ( subset(X2,X3)
        & subset(X0,X1) )
     => subset(cartesian_product2(X0,X2),cartesian_product2(X1,X3)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t119_zfmisc_1) ).

fof(f6,negated_conjecture,
    ~ ! [X0,X1,X2,X3] :
        ( ( subset(X2,X3)
          & subset(X0,X1) )
       => subset(cartesian_product2(X0,X2),cartesian_product2(X1,X3)) ),
    inference(negated_conjecture,[],[f5]) ).

fof(f7,axiom,
    ! [X0,X1,X2] :
      ( ( subset(X1,X2)
        & subset(X0,X1) )
     => subset(X0,X2) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t1_xboole_1) ).

fof(f9,plain,
    ! [X0,X1,X2] :
      ( ( subset(cartesian_product2(X2,X0),cartesian_product2(X2,X1))
        & subset(cartesian_product2(X0,X2),cartesian_product2(X1,X2)) )
      | ~ subset(X0,X1) ),
    inference(ennf_transformation,[],[f4]) ).

fof(f10,plain,
    ? [X0,X1,X2,X3] :
      ( ~ subset(cartesian_product2(X0,X2),cartesian_product2(X1,X3))
      & subset(X2,X3)
      & subset(X0,X1) ),
    inference(ennf_transformation,[],[f6]) ).

fof(f11,plain,
    ? [X0,X1,X2,X3] :
      ( ~ subset(cartesian_product2(X0,X2),cartesian_product2(X1,X3))
      & subset(X2,X3)
      & subset(X0,X1) ),
    inference(flattening,[],[f10]) ).

fof(f12,plain,
    ! [X0,X1,X2] :
      ( subset(X0,X2)
      | ~ subset(X1,X2)
      | ~ subset(X0,X1) ),
    inference(ennf_transformation,[],[f7]) ).

fof(f13,plain,
    ! [X0,X1,X2] :
      ( subset(X0,X2)
      | ~ subset(X1,X2)
      | ~ subset(X0,X1) ),
    inference(flattening,[],[f12]) ).

fof(f18,plain,
    ( ? [X0,X1,X2,X3] :
        ( ~ subset(cartesian_product2(X0,X2),cartesian_product2(X1,X3))
        & subset(X2,X3)
        & subset(X0,X1) )
   => ( ~ subset(cartesian_product2(sK2,sK4),cartesian_product2(sK3,sK5))
      & subset(sK4,sK5)
      & subset(sK2,sK3) ) ),
    introduced(choice_axiom,[]) ).

fof(f19,plain,
    ( ~ subset(cartesian_product2(sK2,sK4),cartesian_product2(sK3,sK5))
    & subset(sK4,sK5)
    & subset(sK2,sK3) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2,sK3,sK4,sK5])],[f11,f18]) ).

fof(f23,plain,
    ! [X2,X0,X1] :
      ( subset(cartesian_product2(X0,X2),cartesian_product2(X1,X2))
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f9]) ).

fof(f24,plain,
    ! [X2,X0,X1] :
      ( subset(cartesian_product2(X2,X0),cartesian_product2(X2,X1))
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f9]) ).

fof(f25,plain,
    subset(sK2,sK3),
    inference(cnf_transformation,[],[f19]) ).

fof(f26,plain,
    subset(sK4,sK5),
    inference(cnf_transformation,[],[f19]) ).

fof(f27,plain,
    ~ subset(cartesian_product2(sK2,sK4),cartesian_product2(sK3,sK5)),
    inference(cnf_transformation,[],[f19]) ).

fof(f28,plain,
    ! [X2,X0,X1] :
      ( subset(X0,X2)
      | ~ subset(X1,X2)
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f13]) ).

cnf(c_52,plain,
    ( ~ subset(X0,X1)
    | subset(cartesian_product2(X2,X0),cartesian_product2(X2,X1)) ),
    inference(cnf_transformation,[],[f24]) ).

cnf(c_53,plain,
    ( ~ subset(X0,X1)
    | subset(cartesian_product2(X0,X2),cartesian_product2(X1,X2)) ),
    inference(cnf_transformation,[],[f23]) ).

cnf(c_54,negated_conjecture,
    ~ subset(cartesian_product2(sK2,sK4),cartesian_product2(sK3,sK5)),
    inference(cnf_transformation,[],[f27]) ).

cnf(c_55,negated_conjecture,
    subset(sK4,sK5),
    inference(cnf_transformation,[],[f26]) ).

cnf(c_56,negated_conjecture,
    subset(sK2,sK3),
    inference(cnf_transformation,[],[f25]) ).

cnf(c_57,plain,
    ( ~ subset(X0,X1)
    | ~ subset(X1,X2)
    | subset(X0,X2) ),
    inference(cnf_transformation,[],[f28]) ).

cnf(c_108,plain,
    ( ~ subset(cartesian_product2(sK2,sK4),X0)
    | ~ subset(X0,cartesian_product2(sK3,sK5))
    | subset(cartesian_product2(sK2,sK4),cartesian_product2(sK3,sK5)) ),
    inference(instantiation,[status(thm)],[c_57]) ).

cnf(c_112,plain,
    ( ~ subset(cartesian_product2(sK2,X0),cartesian_product2(sK3,sK5))
    | ~ subset(cartesian_product2(sK2,sK4),cartesian_product2(sK2,X0))
    | subset(cartesian_product2(sK2,sK4),cartesian_product2(sK3,sK5)) ),
    inference(instantiation,[status(thm)],[c_108]) ).

cnf(c_113,plain,
    ( ~ subset(sK4,X0)
    | subset(cartesian_product2(sK2,sK4),cartesian_product2(sK2,X0)) ),
    inference(instantiation,[status(thm)],[c_52]) ).

cnf(c_121,plain,
    ( ~ subset(cartesian_product2(sK2,sK4),cartesian_product2(sK2,sK5))
    | ~ subset(cartesian_product2(sK2,sK5),cartesian_product2(sK3,sK5))
    | subset(cartesian_product2(sK2,sK4),cartesian_product2(sK3,sK5)) ),
    inference(instantiation,[status(thm)],[c_112]) ).

cnf(c_122,plain,
    ( ~ subset(sK2,sK3)
    | subset(cartesian_product2(sK2,sK5),cartesian_product2(sK3,sK5)) ),
    inference(instantiation,[status(thm)],[c_53]) ).

cnf(c_126,plain,
    ( ~ subset(sK4,sK5)
    | subset(cartesian_product2(sK2,sK4),cartesian_product2(sK2,sK5)) ),
    inference(instantiation,[status(thm)],[c_113]) ).

cnf(c_127,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_126,c_122,c_121,c_54,c_55,c_56]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.13/0.14  % Problem  : SEU167+3 : TPTP v8.1.2. Released v3.2.0.
% 0.13/0.15  % Command  : run_iprover %s %d THM
% 0.15/0.36  % Computer : n007.cluster.edu
% 0.15/0.36  % Model    : x86_64 x86_64
% 0.15/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.36  % Memory   : 8042.1875MB
% 0.15/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.36  % CPULimit : 300
% 0.15/0.36  % WCLimit  : 300
% 0.15/0.36  % DateTime : Wed Aug 23 15:00:54 EDT 2023
% 0.15/0.36  % CPUTime  : 
% 0.23/0.51  Running first-order theorem proving
% 0.23/0.51  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 1.79/1.22  % SZS status Started for theBenchmark.p
% 1.79/1.22  % SZS status Theorem for theBenchmark.p
% 1.79/1.22  
% 1.79/1.22  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 1.79/1.22  
% 1.79/1.22  ------  iProver source info
% 1.79/1.22  
% 1.79/1.22  git: date: 2023-05-31 18:12:56 +0000
% 1.79/1.22  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 1.79/1.22  git: non_committed_changes: false
% 1.79/1.22  git: last_make_outside_of_git: false
% 1.79/1.22  
% 1.79/1.22  ------ Parsing...
% 1.79/1.22  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 1.79/1.22  
% 1.79/1.22  ------ Preprocessing... sf_s  rm: 2 0s  sf_e  pe_s  pe_e  sf_s  rm: 0 0s  sf_e  pe_s  pe_e 
% 1.79/1.22  
% 1.79/1.22  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 1.79/1.22  ------ Proving...
% 1.79/1.22  ------ Problem Properties 
% 1.79/1.22  
% 1.79/1.22  
% 1.79/1.22  clauses                                 7
% 1.79/1.22  conjectures                             3
% 1.79/1.22  EPR                                     4
% 1.79/1.22  Horn                                    7
% 1.79/1.22  unary                                   4
% 1.79/1.22  binary                                  2
% 1.79/1.22  lits                                    11
% 1.79/1.22  lits eq                                 0
% 1.79/1.22  fd_pure                                 0
% 1.79/1.22  fd_pseudo                               0
% 1.79/1.22  fd_cond                                 0
% 1.79/1.22  fd_pseudo_cond                          0
% 1.79/1.22  AC symbols                              0
% 1.79/1.22  
% 1.79/1.22  ------ Schedule dynamic 5 is on 
% 1.79/1.22  
% 1.79/1.22  ------ no equalities: superposition off 
% 1.79/1.22  
% 1.79/1.22  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.79/1.22  
% 1.79/1.22  
% 1.79/1.22  ------ 
% 1.79/1.22  Current options:
% 1.79/1.22  ------ 
% 1.79/1.22  
% 1.79/1.22  
% 1.79/1.22  
% 1.79/1.22  
% 1.79/1.22  ------ Proving...
% 1.79/1.22  
% 1.79/1.22  
% 1.79/1.22  % SZS status Theorem for theBenchmark.p
% 1.79/1.22  
% 1.79/1.22  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.79/1.22  
% 1.79/1.22  
%------------------------------------------------------------------------------