TSTP Solution File: SEU162+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SEU162+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n019.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 17:04:15 EDT 2023

% Result   : Theorem 1.70s 1.19s
% Output   : CNFRefutation 1.70s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   36 (   6 unt;   0 def)
%            Number of atoms       :   78 (  24 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :   76 (  34   ~;  29   |;   6   &)
%                                         (   3 <=>;   3  =>;   0  <=;   1 <~>)
%            Maximal formula depth :    7 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   50 (   0 sgn;  30   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f4,axiom,
    ! [X0,X1] :
      ~ ( in(X0,X1)
        & disjoint(singleton(X0),X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l25_zfmisc_1) ).

fof(f5,axiom,
    ! [X0,X1] :
      ( ~ in(X0,X1)
     => disjoint(singleton(X0),X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l28_zfmisc_1) ).

fof(f6,axiom,
    ! [X0,X1] :
      ( disjoint(X0,X1)
     => disjoint(X1,X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',symmetry_r1_xboole_0) ).

fof(f7,conjecture,
    ! [X0,X1] :
      ( set_difference(X0,singleton(X1)) = X0
    <=> ~ in(X1,X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t65_zfmisc_1) ).

fof(f8,negated_conjecture,
    ~ ! [X0,X1] :
        ( set_difference(X0,singleton(X1)) = X0
      <=> ~ in(X1,X0) ),
    inference(negated_conjecture,[],[f7]) ).

fof(f9,axiom,
    ! [X0,X1] :
      ( disjoint(X0,X1)
    <=> set_difference(X0,X1) = X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t83_xboole_1) ).

fof(f11,plain,
    ! [X0,X1] :
      ( ~ in(X0,X1)
      | ~ disjoint(singleton(X0),X1) ),
    inference(ennf_transformation,[],[f4]) ).

fof(f12,plain,
    ! [X0,X1] :
      ( disjoint(singleton(X0),X1)
      | in(X0,X1) ),
    inference(ennf_transformation,[],[f5]) ).

fof(f13,plain,
    ! [X0,X1] :
      ( disjoint(X1,X0)
      | ~ disjoint(X0,X1) ),
    inference(ennf_transformation,[],[f6]) ).

fof(f14,plain,
    ? [X0,X1] :
      ( set_difference(X0,singleton(X1)) = X0
    <~> ~ in(X1,X0) ),
    inference(ennf_transformation,[],[f8]) ).

fof(f15,plain,
    ? [X0,X1] :
      ( ( in(X1,X0)
        | set_difference(X0,singleton(X1)) != X0 )
      & ( ~ in(X1,X0)
        | set_difference(X0,singleton(X1)) = X0 ) ),
    inference(nnf_transformation,[],[f14]) ).

fof(f16,plain,
    ( ? [X0,X1] :
        ( ( in(X1,X0)
          | set_difference(X0,singleton(X1)) != X0 )
        & ( ~ in(X1,X0)
          | set_difference(X0,singleton(X1)) = X0 ) )
   => ( ( in(sK1,sK0)
        | sK0 != set_difference(sK0,singleton(sK1)) )
      & ( ~ in(sK1,sK0)
        | sK0 = set_difference(sK0,singleton(sK1)) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f17,plain,
    ( ( in(sK1,sK0)
      | sK0 != set_difference(sK0,singleton(sK1)) )
    & ( ~ in(sK1,sK0)
      | sK0 = set_difference(sK0,singleton(sK1)) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f15,f16]) ).

fof(f18,plain,
    ! [X0,X1] :
      ( ( disjoint(X0,X1)
        | set_difference(X0,X1) != X0 )
      & ( set_difference(X0,X1) = X0
        | ~ disjoint(X0,X1) ) ),
    inference(nnf_transformation,[],[f9]) ).

fof(f20,plain,
    ! [X0,X1] :
      ( ~ in(X0,X1)
      | ~ disjoint(singleton(X0),X1) ),
    inference(cnf_transformation,[],[f11]) ).

fof(f21,plain,
    ! [X0,X1] :
      ( disjoint(singleton(X0),X1)
      | in(X0,X1) ),
    inference(cnf_transformation,[],[f12]) ).

fof(f22,plain,
    ! [X0,X1] :
      ( disjoint(X1,X0)
      | ~ disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f13]) ).

fof(f23,plain,
    ( ~ in(sK1,sK0)
    | sK0 = set_difference(sK0,singleton(sK1)) ),
    inference(cnf_transformation,[],[f17]) ).

fof(f24,plain,
    ( in(sK1,sK0)
    | sK0 != set_difference(sK0,singleton(sK1)) ),
    inference(cnf_transformation,[],[f17]) ).

fof(f25,plain,
    ! [X0,X1] :
      ( set_difference(X0,X1) = X0
      | ~ disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f18]) ).

fof(f26,plain,
    ! [X0,X1] :
      ( disjoint(X0,X1)
      | set_difference(X0,X1) != X0 ),
    inference(cnf_transformation,[],[f18]) ).

cnf(c_50,plain,
    ( ~ disjoint(singleton(X0),X1)
    | ~ in(X0,X1) ),
    inference(cnf_transformation,[],[f20]) ).

cnf(c_51,plain,
    ( disjoint(singleton(X0),X1)
    | in(X0,X1) ),
    inference(cnf_transformation,[],[f21]) ).

cnf(c_52,plain,
    ( ~ disjoint(X0,X1)
    | disjoint(X1,X0) ),
    inference(cnf_transformation,[],[f22]) ).

cnf(c_53,negated_conjecture,
    ( set_difference(sK0,singleton(sK1)) != sK0
    | in(sK1,sK0) ),
    inference(cnf_transformation,[],[f24]) ).

cnf(c_54,negated_conjecture,
    ( ~ in(sK1,sK0)
    | set_difference(sK0,singleton(sK1)) = sK0 ),
    inference(cnf_transformation,[],[f23]) ).

cnf(c_55,plain,
    ( set_difference(X0,X1) != X0
    | disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f26]) ).

cnf(c_56,plain,
    ( ~ disjoint(X0,X1)
    | set_difference(X0,X1) = X0 ),
    inference(cnf_transformation,[],[f25]) ).

cnf(c_436,plain,
    ( disjoint(X0,singleton(X1))
    | in(X1,X0) ),
    inference(superposition,[status(thm)],[c_51,c_52]) ).

cnf(c_470,plain,
    ( set_difference(X0,singleton(X1)) = X0
    | in(X1,X0) ),
    inference(superposition,[status(thm)],[c_436,c_56]) ).

cnf(c_481,plain,
    in(sK1,sK0),
    inference(backward_subsumption_resolution,[status(thm)],[c_53,c_470]) ).

cnf(c_482,plain,
    set_difference(sK0,singleton(sK1)) = sK0,
    inference(backward_subsumption_resolution,[status(thm)],[c_54,c_470]) ).

cnf(c_492,plain,
    disjoint(sK0,singleton(sK1)),
    inference(superposition,[status(thm)],[c_482,c_55]) ).

cnf(c_494,plain,
    disjoint(singleton(sK1),sK0),
    inference(superposition,[status(thm)],[c_492,c_52]) ).

cnf(c_495,plain,
    ~ in(sK1,sK0),
    inference(superposition,[status(thm)],[c_494,c_50]) ).

cnf(c_498,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[c_495,c_481]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.14  % Problem  : SEU162+1 : TPTP v8.1.2. Released v3.3.0.
% 0.00/0.15  % Command  : run_iprover %s %d THM
% 0.18/0.36  % Computer : n019.cluster.edu
% 0.18/0.36  % Model    : x86_64 x86_64
% 0.18/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.18/0.36  % Memory   : 8042.1875MB
% 0.18/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.18/0.36  % CPULimit : 300
% 0.18/0.36  % WCLimit  : 300
% 0.18/0.36  % DateTime : Wed Aug 23 14:41:14 EDT 2023
% 0.18/0.36  % CPUTime  : 
% 0.22/0.50  Running first-order theorem proving
% 0.22/0.50  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 1.70/1.19  % SZS status Started for theBenchmark.p
% 1.70/1.19  % SZS status Theorem for theBenchmark.p
% 1.70/1.19  
% 1.70/1.19  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 1.70/1.19  
% 1.70/1.19  ------  iProver source info
% 1.70/1.19  
% 1.70/1.19  git: date: 2023-05-31 18:12:56 +0000
% 1.70/1.19  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 1.70/1.19  git: non_committed_changes: false
% 1.70/1.19  git: last_make_outside_of_git: false
% 1.70/1.19  
% 1.70/1.19  ------ Parsing...
% 1.70/1.19  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 1.70/1.19  
% 1.70/1.19  ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e 
% 1.70/1.19  
% 1.70/1.19  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 1.70/1.19  
% 1.70/1.19  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 1.70/1.19  ------ Proving...
% 1.70/1.19  ------ Problem Properties 
% 1.70/1.19  
% 1.70/1.19  
% 1.70/1.19  clauses                                 8
% 1.70/1.19  conjectures                             2
% 1.70/1.19  EPR                                     2
% 1.70/1.19  Horn                                    7
% 1.70/1.19  unary                                   0
% 1.70/1.19  binary                                  8
% 1.70/1.19  lits                                    16
% 1.70/1.19  lits eq                                 4
% 1.70/1.19  fd_pure                                 0
% 1.70/1.19  fd_pseudo                               0
% 1.70/1.19  fd_cond                                 0
% 1.70/1.19  fd_pseudo_cond                          0
% 1.70/1.19  AC symbols                              0
% 1.70/1.19  
% 1.70/1.19  ------ Schedule dynamic 5 is on 
% 1.70/1.19  
% 1.70/1.19  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.70/1.19  
% 1.70/1.19  
% 1.70/1.19  ------ 
% 1.70/1.19  Current options:
% 1.70/1.19  ------ 
% 1.70/1.19  
% 1.70/1.19  
% 1.70/1.19  
% 1.70/1.19  
% 1.70/1.19  ------ Proving...
% 1.70/1.19  
% 1.70/1.19  
% 1.70/1.19  % SZS status Theorem for theBenchmark.p
% 1.70/1.19  
% 1.70/1.19  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.70/1.19  
% 1.70/1.19  
%------------------------------------------------------------------------------