TSTP Solution File: SEU187+2 by iProver---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.9
% Problem  : SEU187+2 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n021.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 : Fri May  3 03:04:54 EDT 2024

% Result   : Theorem 0.46s 1.14s
% Output   : CNFRefutation 0.46s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   15
% Syntax   : Number of formulae    :   59 (  17 unt;   0 def)
%            Number of atoms       :  195 (  50 equ)
%            Maximal formula atoms :   11 (   3 avg)
%            Number of connectives :  230 (  94   ~;  90   |;  28   &)
%                                         (   9 <=>;   9  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   5 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :   13 (  13 usr;   1 con; 0-2 aty)
%            Number of variables   :  144 (   5 sgn  99   !;  29   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f4,axiom,
    ! [X0,X1] : unordered_pair(X0,X1) = unordered_pair(X1,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutativity_k2_tarski) ).

fof(f11,axiom,
    ! [X0] :
      ( empty_set = X0
    <=> ! [X1] : ~ in(X1,X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_xboole_0) ).

fof(f19,axiom,
    ! [X0] :
      ( relation(X0)
     => ! [X1] :
          ( relation_dom(X0) = X1
        <=> ! [X2] :
              ( in(X2,X1)
            <=> ? [X3] : in(ordered_pair(X2,X3),X0) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d4_relat_1) ).

fof(f23,axiom,
    ! [X0] :
      ( relation(X0)
     => ! [X1] :
          ( relation_rng(X0) = X1
        <=> ! [X2] :
              ( in(X2,X1)
            <=> ? [X3] : in(ordered_pair(X3,X2),X0) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d5_relat_1) ).

fof(f25,axiom,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(unordered_pair(X0,X1),singleton(X0)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d5_tarski) ).

fof(f64,axiom,
    ( relation(empty_set)
    & empty(empty_set) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc4_relat_1) ).

fof(f151,conjecture,
    ( empty_set = relation_rng(empty_set)
    & empty_set = relation_dom(empty_set) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t60_relat_1) ).

fof(f152,negated_conjecture,
    ~ ( empty_set = relation_rng(empty_set)
      & empty_set = relation_dom(empty_set) ),
    inference(negated_conjecture,[],[f151]) ).

fof(f156,axiom,
    ! [X0] : singleton(X0) = unordered_pair(X0,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t69_enumset1) ).

fof(f187,plain,
    ! [X0] :
      ( ! [X1] :
          ( relation_dom(X0) = X1
        <=> ! [X2] :
              ( in(X2,X1)
            <=> ? [X3] : in(ordered_pair(X2,X3),X0) ) )
      | ~ relation(X0) ),
    inference(ennf_transformation,[],[f19]) ).

fof(f188,plain,
    ! [X0] :
      ( ! [X1] :
          ( relation_rng(X0) = X1
        <=> ! [X2] :
              ( in(X2,X1)
            <=> ? [X3] : in(ordered_pair(X3,X2),X0) ) )
      | ~ relation(X0) ),
    inference(ennf_transformation,[],[f23]) ).

fof(f286,plain,
    ( empty_set != relation_rng(empty_set)
    | empty_set != relation_dom(empty_set) ),
    inference(ennf_transformation,[],[f152]) ).

fof(f318,plain,
    ! [X0] :
      ( ( empty_set = X0
        | ? [X1] : in(X1,X0) )
      & ( ! [X1] : ~ in(X1,X0)
        | empty_set != X0 ) ),
    inference(nnf_transformation,[],[f11]) ).

fof(f319,plain,
    ! [X0] :
      ( ( empty_set = X0
        | ? [X1] : in(X1,X0) )
      & ( ! [X2] : ~ in(X2,X0)
        | empty_set != X0 ) ),
    inference(rectify,[],[f318]) ).

fof(f320,plain,
    ! [X0] :
      ( ? [X1] : in(X1,X0)
     => in(sK7(X0),X0) ),
    introduced(choice_axiom,[]) ).

fof(f321,plain,
    ! [X0] :
      ( ( empty_set = X0
        | in(sK7(X0),X0) )
      & ( ! [X2] : ~ in(X2,X0)
        | empty_set != X0 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK7])],[f319,f320]) ).

fof(f352,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( relation_dom(X0) = X1
            | ? [X2] :
                ( ( ! [X3] : ~ in(ordered_pair(X2,X3),X0)
                  | ~ in(X2,X1) )
                & ( ? [X3] : in(ordered_pair(X2,X3),X0)
                  | in(X2,X1) ) ) )
          & ( ! [X2] :
                ( ( in(X2,X1)
                  | ! [X3] : ~ in(ordered_pair(X2,X3),X0) )
                & ( ? [X3] : in(ordered_pair(X2,X3),X0)
                  | ~ in(X2,X1) ) )
            | relation_dom(X0) != X1 ) )
      | ~ relation(X0) ),
    inference(nnf_transformation,[],[f187]) ).

fof(f353,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( relation_dom(X0) = X1
            | ? [X2] :
                ( ( ! [X3] : ~ in(ordered_pair(X2,X3),X0)
                  | ~ in(X2,X1) )
                & ( ? [X4] : in(ordered_pair(X2,X4),X0)
                  | in(X2,X1) ) ) )
          & ( ! [X5] :
                ( ( in(X5,X1)
                  | ! [X6] : ~ in(ordered_pair(X5,X6),X0) )
                & ( ? [X7] : in(ordered_pair(X5,X7),X0)
                  | ~ in(X5,X1) ) )
            | relation_dom(X0) != X1 ) )
      | ~ relation(X0) ),
    inference(rectify,[],[f352]) ).

fof(f354,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ( ! [X3] : ~ in(ordered_pair(X2,X3),X0)
            | ~ in(X2,X1) )
          & ( ? [X4] : in(ordered_pair(X2,X4),X0)
            | in(X2,X1) ) )
     => ( ( ! [X3] : ~ in(ordered_pair(sK18(X0,X1),X3),X0)
          | ~ in(sK18(X0,X1),X1) )
        & ( ? [X4] : in(ordered_pair(sK18(X0,X1),X4),X0)
          | in(sK18(X0,X1),X1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f355,plain,
    ! [X0,X1] :
      ( ? [X4] : in(ordered_pair(sK18(X0,X1),X4),X0)
     => in(ordered_pair(sK18(X0,X1),sK19(X0,X1)),X0) ),
    introduced(choice_axiom,[]) ).

fof(f356,plain,
    ! [X0,X5] :
      ( ? [X7] : in(ordered_pair(X5,X7),X0)
     => in(ordered_pair(X5,sK20(X0,X5)),X0) ),
    introduced(choice_axiom,[]) ).

fof(f357,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( relation_dom(X0) = X1
            | ( ( ! [X3] : ~ in(ordered_pair(sK18(X0,X1),X3),X0)
                | ~ in(sK18(X0,X1),X1) )
              & ( in(ordered_pair(sK18(X0,X1),sK19(X0,X1)),X0)
                | in(sK18(X0,X1),X1) ) ) )
          & ( ! [X5] :
                ( ( in(X5,X1)
                  | ! [X6] : ~ in(ordered_pair(X5,X6),X0) )
                & ( in(ordered_pair(X5,sK20(X0,X5)),X0)
                  | ~ in(X5,X1) ) )
            | relation_dom(X0) != X1 ) )
      | ~ relation(X0) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK18,sK19,sK20])],[f353,f356,f355,f354]) ).

fof(f369,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( relation_rng(X0) = X1
            | ? [X2] :
                ( ( ! [X3] : ~ in(ordered_pair(X3,X2),X0)
                  | ~ in(X2,X1) )
                & ( ? [X3] : in(ordered_pair(X3,X2),X0)
                  | in(X2,X1) ) ) )
          & ( ! [X2] :
                ( ( in(X2,X1)
                  | ! [X3] : ~ in(ordered_pair(X3,X2),X0) )
                & ( ? [X3] : in(ordered_pair(X3,X2),X0)
                  | ~ in(X2,X1) ) )
            | relation_rng(X0) != X1 ) )
      | ~ relation(X0) ),
    inference(nnf_transformation,[],[f188]) ).

fof(f370,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( relation_rng(X0) = X1
            | ? [X2] :
                ( ( ! [X3] : ~ in(ordered_pair(X3,X2),X0)
                  | ~ in(X2,X1) )
                & ( ? [X4] : in(ordered_pair(X4,X2),X0)
                  | in(X2,X1) ) ) )
          & ( ! [X5] :
                ( ( in(X5,X1)
                  | ! [X6] : ~ in(ordered_pair(X6,X5),X0) )
                & ( ? [X7] : in(ordered_pair(X7,X5),X0)
                  | ~ in(X5,X1) ) )
            | relation_rng(X0) != X1 ) )
      | ~ relation(X0) ),
    inference(rectify,[],[f369]) ).

fof(f371,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ( ! [X3] : ~ in(ordered_pair(X3,X2),X0)
            | ~ in(X2,X1) )
          & ( ? [X4] : in(ordered_pair(X4,X2),X0)
            | in(X2,X1) ) )
     => ( ( ! [X3] : ~ in(ordered_pair(X3,sK25(X0,X1)),X0)
          | ~ in(sK25(X0,X1),X1) )
        & ( ? [X4] : in(ordered_pair(X4,sK25(X0,X1)),X0)
          | in(sK25(X0,X1),X1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f372,plain,
    ! [X0,X1] :
      ( ? [X4] : in(ordered_pair(X4,sK25(X0,X1)),X0)
     => in(ordered_pair(sK26(X0,X1),sK25(X0,X1)),X0) ),
    introduced(choice_axiom,[]) ).

fof(f373,plain,
    ! [X0,X5] :
      ( ? [X7] : in(ordered_pair(X7,X5),X0)
     => in(ordered_pair(sK27(X0,X5),X5),X0) ),
    introduced(choice_axiom,[]) ).

fof(f374,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( relation_rng(X0) = X1
            | ( ( ! [X3] : ~ in(ordered_pair(X3,sK25(X0,X1)),X0)
                | ~ in(sK25(X0,X1),X1) )
              & ( in(ordered_pair(sK26(X0,X1),sK25(X0,X1)),X0)
                | in(sK25(X0,X1),X1) ) ) )
          & ( ! [X5] :
                ( ( in(X5,X1)
                  | ! [X6] : ~ in(ordered_pair(X6,X5),X0) )
                & ( in(ordered_pair(sK27(X0,X5),X5),X0)
                  | ~ in(X5,X1) ) )
            | relation_rng(X0) != X1 ) )
      | ~ relation(X0) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK25,sK26,sK27])],[f370,f373,f372,f371]) ).

fof(f444,plain,
    ! [X0,X1] : unordered_pair(X0,X1) = unordered_pair(X1,X0),
    inference(cnf_transformation,[],[f4]) ).

fof(f465,plain,
    ! [X2,X0] :
      ( ~ in(X2,X0)
      | empty_set != X0 ),
    inference(cnf_transformation,[],[f321]) ).

fof(f466,plain,
    ! [X0] :
      ( empty_set = X0
      | in(sK7(X0),X0) ),
    inference(cnf_transformation,[],[f321]) ).

fof(f504,plain,
    ! [X0,X1,X5] :
      ( in(ordered_pair(X5,sK20(X0,X5)),X0)
      | ~ in(X5,X1)
      | relation_dom(X0) != X1
      | ~ relation(X0) ),
    inference(cnf_transformation,[],[f357]) ).

fof(f521,plain,
    ! [X0,X1,X5] :
      ( in(ordered_pair(sK27(X0,X5),X5),X0)
      | ~ in(X5,X1)
      | relation_rng(X0) != X1
      | ~ relation(X0) ),
    inference(cnf_transformation,[],[f374]) ).

fof(f526,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(unordered_pair(X0,X1),singleton(X0)),
    inference(cnf_transformation,[],[f25]) ).

fof(f564,plain,
    relation(empty_set),
    inference(cnf_transformation,[],[f64]) ).

fof(f684,plain,
    ( empty_set != relation_rng(empty_set)
    | empty_set != relation_dom(empty_set) ),
    inference(cnf_transformation,[],[f286]) ).

fof(f689,plain,
    ! [X0] : singleton(X0) = unordered_pair(X0,X0),
    inference(cnf_transformation,[],[f156]) ).

fof(f706,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(unordered_pair(X0,X1),unordered_pair(X0,X0)),
    inference(definition_unfolding,[],[f526,f689]) ).

fof(f727,plain,
    ! [X0,X1,X5] :
      ( in(unordered_pair(unordered_pair(X5,sK20(X0,X5)),unordered_pair(X5,X5)),X0)
      | ~ in(X5,X1)
      | relation_dom(X0) != X1
      | ~ relation(X0) ),
    inference(definition_unfolding,[],[f504,f706]) ).

fof(f731,plain,
    ! [X0,X1,X5] :
      ( in(unordered_pair(unordered_pair(sK27(X0,X5),X5),unordered_pair(sK27(X0,X5),sK27(X0,X5))),X0)
      | ~ in(X5,X1)
      | relation_rng(X0) != X1
      | ~ relation(X0) ),
    inference(definition_unfolding,[],[f521,f706]) ).

fof(f801,plain,
    ! [X2] : ~ in(X2,empty_set),
    inference(equality_resolution,[],[f465]) ).

fof(f821,plain,
    ! [X0,X5] :
      ( in(unordered_pair(unordered_pair(X5,sK20(X0,X5)),unordered_pair(X5,X5)),X0)
      | ~ in(X5,relation_dom(X0))
      | ~ relation(X0) ),
    inference(equality_resolution,[],[f727]) ).

fof(f829,plain,
    ! [X0,X5] :
      ( in(unordered_pair(unordered_pair(sK27(X0,X5),X5),unordered_pair(sK27(X0,X5),sK27(X0,X5))),X0)
      | ~ in(X5,relation_rng(X0))
      | ~ relation(X0) ),
    inference(equality_resolution,[],[f731]) ).

cnf(c_52,plain,
    unordered_pair(X0,X1) = unordered_pair(X1,X0),
    inference(cnf_transformation,[],[f444]) ).

cnf(c_73,plain,
    ( X0 = empty_set
    | in(sK7(X0),X0) ),
    inference(cnf_transformation,[],[f466]) ).

cnf(c_74,plain,
    ~ in(X0,empty_set),
    inference(cnf_transformation,[],[f801]) ).

cnf(c_115,plain,
    ( ~ in(X0,relation_dom(X1))
    | ~ relation(X1)
    | in(unordered_pair(unordered_pair(X0,sK20(X1,X0)),unordered_pair(X0,X0)),X1) ),
    inference(cnf_transformation,[],[f821]) ).

cnf(c_132,plain,
    ( ~ in(X0,relation_rng(X1))
    | ~ relation(X1)
    | in(unordered_pair(unordered_pair(sK27(X1,X0),X0),unordered_pair(sK27(X1,X0),sK27(X1,X0))),X1) ),
    inference(cnf_transformation,[],[f829]) ).

cnf(c_170,plain,
    relation(empty_set),
    inference(cnf_transformation,[],[f564]) ).

cnf(c_290,negated_conjecture,
    ( relation_dom(empty_set) != empty_set
    | relation_rng(empty_set) != empty_set ),
    inference(cnf_transformation,[],[f684]) ).

cnf(c_3032,plain,
    ( ~ in(X0,relation_dom(X1))
    | ~ relation(X1)
    | in(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,sK20(X1,X0))),X1) ),
    inference(demodulation,[status(thm)],[c_115,c_52]) ).

cnf(c_3173,plain,
    ( ~ in(X0,relation_rng(X1))
    | ~ relation(X1)
    | in(unordered_pair(unordered_pair(X0,sK27(X1,X0)),unordered_pair(sK27(X1,X0),sK27(X1,X0))),X1) ),
    inference(demodulation,[status(thm)],[c_132,c_52]) ).

cnf(c_10528,plain,
    ( ~ in(X0,relation_dom(empty_set))
    | ~ relation(empty_set) ),
    inference(superposition,[status(thm)],[c_3032,c_74]) ).

cnf(c_10543,plain,
    ( ~ in(X0,relation_rng(empty_set))
    | ~ relation(empty_set) ),
    inference(superposition,[status(thm)],[c_3173,c_74]) ).

cnf(c_10655,plain,
    ~ in(X0,relation_dom(empty_set)),
    inference(global_subsumption_just,[status(thm)],[c_10528,c_170,c_10528]) ).

cnf(c_10658,plain,
    relation_dom(empty_set) = empty_set,
    inference(superposition,[status(thm)],[c_73,c_10655]) ).

cnf(c_10680,plain,
    ~ in(X0,relation_rng(empty_set)),
    inference(global_subsumption_just,[status(thm)],[c_10543,c_170,c_10543]) ).

cnf(c_10683,plain,
    relation_rng(empty_set) = empty_set,
    inference(superposition,[status(thm)],[c_73,c_10680]) ).

cnf(c_10689,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_10683,c_10658,c_290]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem  : SEU187+2 : TPTP v8.1.2. Released v3.3.0.
% 0.10/0.12  % Command  : run_iprover %s %d THM
% 0.12/0.33  % Computer : n021.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 300
% 0.12/0.33  % DateTime : Thu May  2 17:37:27 EDT 2024
% 0.12/0.33  % CPUTime  : 
% 0.18/0.45  Running first-order theorem proving
% 0.18/0.45  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --heuristic_context casc_unsat --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.46/1.14  % SZS status Started for theBenchmark.p
% 0.46/1.14  % SZS status Theorem for theBenchmark.p
% 0.46/1.14  
% 0.46/1.14  %---------------- iProver v3.9 (pre CASC 2024/SMT-COMP 2024) ----------------%
% 0.46/1.14  
% 0.46/1.14  ------  iProver source info
% 0.46/1.14  
% 0.46/1.14  git: date: 2024-05-02 19:28:25 +0000
% 0.46/1.14  git: sha1: a33b5eb135c74074ba803943bb12f2ebd971352f
% 0.46/1.14  git: non_committed_changes: false
% 0.46/1.14  
% 0.46/1.14  ------ Parsing...
% 0.46/1.14  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 0.46/1.14  
% 0.46/1.14  ------ Preprocessing... sup_sim: 21  sf_s  rm: 1 0s  sf_e  pe_s  pe_e  sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e 
% 0.46/1.14  
% 0.46/1.14  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 0.46/1.14  
% 0.46/1.14  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 0.46/1.14  ------ Proving...
% 0.46/1.14  ------ Problem Properties 
% 0.46/1.14  
% 0.46/1.14  
% 0.46/1.14  clauses                                 230
% 0.46/1.14  conjectures                             1
% 0.46/1.14  EPR                                     33
% 0.46/1.14  Horn                                    179
% 0.46/1.14  unary                                   39
% 0.46/1.14  binary                                  85
% 0.46/1.14  lits                                    576
% 0.46/1.14  lits eq                                 128
% 0.46/1.14  fd_pure                                 0
% 0.46/1.14  fd_pseudo                               0
% 0.46/1.14  fd_cond                                 11
% 0.46/1.14  fd_pseudo_cond                          50
% 0.46/1.14  AC symbols                              0
% 0.46/1.14  
% 0.46/1.14  ------ Input Options Time Limit: Unbounded
% 0.46/1.14  
% 0.46/1.14  
% 0.46/1.14  ------ 
% 0.46/1.14  Current options:
% 0.46/1.14  ------ 
% 0.46/1.14  
% 0.46/1.14  
% 0.46/1.14  
% 0.46/1.14  
% 0.46/1.14  ------ Proving...
% 0.46/1.14  
% 0.46/1.14  
% 0.46/1.14  % SZS status Theorem for theBenchmark.p
% 0.46/1.14  
% 0.46/1.14  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.46/1.14  
% 0.46/1.15  
%------------------------------------------------------------------------------