TSTP Solution File: SET988+1 by iProver---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.9
% Problem  : SET988+1 : 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 : Fri May  3 03:02:11 EDT 2024

% Result   : Theorem 3.16s 1.17s
% Output   : CNFRefutation 3.16s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   63 (   9 unt;   0 def)
%            Number of atoms       :  208 (  66 equ)
%            Maximal formula atoms :   14 (   3 avg)
%            Number of connectives :  238 (  93   ~;  83   |;  45   &)
%                                         (   5 <=>;  12  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   5 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :   12 (  12 usr;   1 con; 0-2 aty)
%            Number of variables   :  176 (   2 sgn 119   !;  33   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f5,axiom,
    ! [X0,X1] : unordered_pair(X0,X1) = unordered_pair(X1,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k2_tarski) ).

fof(f30,axiom,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(unordered_pair(X0,X1),singleton(X0)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_tarski) ).

fof(f31,conjecture,
    ! [X0] :
      ( ( ! [X1,X2,X3] :
            ( ( in(ordered_pair(X1,X3),X0)
              & in(ordered_pair(X1,X2),X0) )
           => X2 = X3 )
        & ! [X1] :
            ~ ( ! [X2,X3] : ordered_pair(X2,X3) != X1
              & in(X1,X0) ) )
     => ( function(X0)
        & relation(X0) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_funct_1) ).

fof(f32,negated_conjecture,
    ~ ! [X0] :
        ( ( ! [X1,X2,X3] :
              ( ( in(ordered_pair(X1,X3),X0)
                & in(ordered_pair(X1,X2),X0) )
             => X2 = X3 )
          & ! [X1] :
              ~ ( ! [X2,X3] : ordered_pair(X2,X3) != X1
                & in(X1,X0) ) )
       => ( function(X0)
          & relation(X0) ) ),
    inference(negated_conjecture,[],[f31]) ).

fof(f33,axiom,
    ! [X0] :
      ( function(X0)
    <=> ! [X1,X2,X3] :
          ( ( in(ordered_pair(X1,X3),X0)
            & in(ordered_pair(X1,X2),X0) )
         => X2 = X3 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_funct_1) ).

fof(f34,axiom,
    ! [X0] :
      ( relation(X0)
    <=> ! [X1] :
          ~ ( ! [X2,X3] : ordered_pair(X2,X3) != X1
            & in(X1,X0) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_relat_1) ).

fof(f36,plain,
    ~ ! [X0] :
        ( ( ! [X1,X2,X3] :
              ( ( in(ordered_pair(X1,X3),X0)
                & in(ordered_pair(X1,X2),X0) )
             => X2 = X3 )
          & ! [X4] :
              ~ ( ! [X5,X6] : ordered_pair(X5,X6) != X4
                & in(X4,X0) ) )
       => ( function(X0)
          & relation(X0) ) ),
    inference(rectify,[],[f32]) ).

fof(f54,plain,
    ? [X0] :
      ( ( ~ function(X0)
        | ~ relation(X0) )
      & ! [X1,X2,X3] :
          ( X2 = X3
          | ~ in(ordered_pair(X1,X3),X0)
          | ~ in(ordered_pair(X1,X2),X0) )
      & ! [X4] :
          ( ? [X5,X6] : ordered_pair(X5,X6) = X4
          | ~ in(X4,X0) ) ),
    inference(ennf_transformation,[],[f36]) ).

fof(f55,plain,
    ? [X0] :
      ( ( ~ function(X0)
        | ~ relation(X0) )
      & ! [X1,X2,X3] :
          ( X2 = X3
          | ~ in(ordered_pair(X1,X3),X0)
          | ~ in(ordered_pair(X1,X2),X0) )
      & ! [X4] :
          ( ? [X5,X6] : ordered_pair(X5,X6) = X4
          | ~ in(X4,X0) ) ),
    inference(flattening,[],[f54]) ).

fof(f56,plain,
    ! [X0] :
      ( function(X0)
    <=> ! [X1,X2,X3] :
          ( X2 = X3
          | ~ in(ordered_pair(X1,X3),X0)
          | ~ in(ordered_pair(X1,X2),X0) ) ),
    inference(ennf_transformation,[],[f33]) ).

fof(f57,plain,
    ! [X0] :
      ( function(X0)
    <=> ! [X1,X2,X3] :
          ( X2 = X3
          | ~ in(ordered_pair(X1,X3),X0)
          | ~ in(ordered_pair(X1,X2),X0) ) ),
    inference(flattening,[],[f56]) ).

fof(f58,plain,
    ! [X0] :
      ( relation(X0)
    <=> ! [X1] :
          ( ? [X2,X3] : ordered_pair(X2,X3) = X1
          | ~ in(X1,X0) ) ),
    inference(ennf_transformation,[],[f34]) ).

fof(f77,plain,
    ( ? [X0] :
        ( ( ~ function(X0)
          | ~ relation(X0) )
        & ! [X1,X2,X3] :
            ( X2 = X3
            | ~ in(ordered_pair(X1,X3),X0)
            | ~ in(ordered_pair(X1,X2),X0) )
        & ! [X4] :
            ( ? [X5,X6] : ordered_pair(X5,X6) = X4
            | ~ in(X4,X0) ) )
   => ( ( ~ function(sK9)
        | ~ relation(sK9) )
      & ! [X3,X2,X1] :
          ( X2 = X3
          | ~ in(ordered_pair(X1,X3),sK9)
          | ~ in(ordered_pair(X1,X2),sK9) )
      & ! [X4] :
          ( ? [X5,X6] : ordered_pair(X5,X6) = X4
          | ~ in(X4,sK9) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f78,plain,
    ! [X4] :
      ( ? [X5,X6] : ordered_pair(X5,X6) = X4
     => ordered_pair(sK10(X4),sK11(X4)) = X4 ),
    introduced(choice_axiom,[]) ).

fof(f79,plain,
    ( ( ~ function(sK9)
      | ~ relation(sK9) )
    & ! [X1,X2,X3] :
        ( X2 = X3
        | ~ in(ordered_pair(X1,X3),sK9)
        | ~ in(ordered_pair(X1,X2),sK9) )
    & ! [X4] :
        ( ordered_pair(sK10(X4),sK11(X4)) = X4
        | ~ in(X4,sK9) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK9,sK10,sK11])],[f55,f78,f77]) ).

fof(f80,plain,
    ! [X0] :
      ( ( function(X0)
        | ? [X1,X2,X3] :
            ( X2 != X3
            & in(ordered_pair(X1,X3),X0)
            & in(ordered_pair(X1,X2),X0) ) )
      & ( ! [X1,X2,X3] :
            ( X2 = X3
            | ~ in(ordered_pair(X1,X3),X0)
            | ~ in(ordered_pair(X1,X2),X0) )
        | ~ function(X0) ) ),
    inference(nnf_transformation,[],[f57]) ).

fof(f81,plain,
    ! [X0] :
      ( ( function(X0)
        | ? [X1,X2,X3] :
            ( X2 != X3
            & in(ordered_pair(X1,X3),X0)
            & in(ordered_pair(X1,X2),X0) ) )
      & ( ! [X4,X5,X6] :
            ( X5 = X6
            | ~ in(ordered_pair(X4,X6),X0)
            | ~ in(ordered_pair(X4,X5),X0) )
        | ~ function(X0) ) ),
    inference(rectify,[],[f80]) ).

fof(f82,plain,
    ! [X0] :
      ( ? [X1,X2,X3] :
          ( X2 != X3
          & in(ordered_pair(X1,X3),X0)
          & in(ordered_pair(X1,X2),X0) )
     => ( sK13(X0) != sK14(X0)
        & in(ordered_pair(sK12(X0),sK14(X0)),X0)
        & in(ordered_pair(sK12(X0),sK13(X0)),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f83,plain,
    ! [X0] :
      ( ( function(X0)
        | ( sK13(X0) != sK14(X0)
          & in(ordered_pair(sK12(X0),sK14(X0)),X0)
          & in(ordered_pair(sK12(X0),sK13(X0)),X0) ) )
      & ( ! [X4,X5,X6] :
            ( X5 = X6
            | ~ in(ordered_pair(X4,X6),X0)
            | ~ in(ordered_pair(X4,X5),X0) )
        | ~ function(X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK12,sK13,sK14])],[f81,f82]) ).

fof(f84,plain,
    ! [X0] :
      ( ( relation(X0)
        | ? [X1] :
            ( ! [X2,X3] : ordered_pair(X2,X3) != X1
            & in(X1,X0) ) )
      & ( ! [X1] :
            ( ? [X2,X3] : ordered_pair(X2,X3) = X1
            | ~ in(X1,X0) )
        | ~ relation(X0) ) ),
    inference(nnf_transformation,[],[f58]) ).

fof(f85,plain,
    ! [X0] :
      ( ( relation(X0)
        | ? [X1] :
            ( ! [X2,X3] : ordered_pair(X2,X3) != X1
            & in(X1,X0) ) )
      & ( ! [X4] :
            ( ? [X5,X6] : ordered_pair(X5,X6) = X4
            | ~ in(X4,X0) )
        | ~ relation(X0) ) ),
    inference(rectify,[],[f84]) ).

fof(f86,plain,
    ! [X0] :
      ( ? [X1] :
          ( ! [X2,X3] : ordered_pair(X2,X3) != X1
          & in(X1,X0) )
     => ( ! [X3,X2] : ordered_pair(X2,X3) != sK15(X0)
        & in(sK15(X0),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f87,plain,
    ! [X4] :
      ( ? [X5,X6] : ordered_pair(X5,X6) = X4
     => ordered_pair(sK16(X4),sK17(X4)) = X4 ),
    introduced(choice_axiom,[]) ).

fof(f88,plain,
    ! [X0] :
      ( ( relation(X0)
        | ( ! [X2,X3] : ordered_pair(X2,X3) != sK15(X0)
          & in(sK15(X0),X0) ) )
      & ( ! [X4] :
            ( ordered_pair(sK16(X4),sK17(X4)) = X4
            | ~ in(X4,X0) )
        | ~ relation(X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK15,sK16,sK17])],[f85,f87,f86]) ).

fof(f95,plain,
    ! [X0,X1] : unordered_pair(X0,X1) = unordered_pair(X1,X0),
    inference(cnf_transformation,[],[f5]) ).

fof(f125,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(unordered_pair(X0,X1),singleton(X0)),
    inference(cnf_transformation,[],[f30]) ).

fof(f126,plain,
    ! [X4] :
      ( ordered_pair(sK10(X4),sK11(X4)) = X4
      | ~ in(X4,sK9) ),
    inference(cnf_transformation,[],[f79]) ).

fof(f127,plain,
    ! [X2,X3,X1] :
      ( X2 = X3
      | ~ in(ordered_pair(X1,X3),sK9)
      | ~ in(ordered_pair(X1,X2),sK9) ),
    inference(cnf_transformation,[],[f79]) ).

fof(f128,plain,
    ( ~ function(sK9)
    | ~ relation(sK9) ),
    inference(cnf_transformation,[],[f79]) ).

fof(f130,plain,
    ! [X0] :
      ( function(X0)
      | in(ordered_pair(sK12(X0),sK13(X0)),X0) ),
    inference(cnf_transformation,[],[f83]) ).

fof(f131,plain,
    ! [X0] :
      ( function(X0)
      | in(ordered_pair(sK12(X0),sK14(X0)),X0) ),
    inference(cnf_transformation,[],[f83]) ).

fof(f132,plain,
    ! [X0] :
      ( function(X0)
      | sK13(X0) != sK14(X0) ),
    inference(cnf_transformation,[],[f83]) ).

fof(f134,plain,
    ! [X0] :
      ( relation(X0)
      | in(sK15(X0),X0) ),
    inference(cnf_transformation,[],[f88]) ).

fof(f135,plain,
    ! [X2,X3,X0] :
      ( relation(X0)
      | ordered_pair(X2,X3) != sK15(X0) ),
    inference(cnf_transformation,[],[f88]) ).

fof(f137,plain,
    ! [X2,X3,X1] :
      ( X2 = X3
      | ~ in(unordered_pair(unordered_pair(X1,X3),singleton(X1)),sK9)
      | ~ in(unordered_pair(unordered_pair(X1,X2),singleton(X1)),sK9) ),
    inference(definition_unfolding,[],[f127,f125,f125]) ).

fof(f138,plain,
    ! [X4] :
      ( unordered_pair(unordered_pair(sK10(X4),sK11(X4)),singleton(sK10(X4))) = X4
      | ~ in(X4,sK9) ),
    inference(definition_unfolding,[],[f126,f125]) ).

fof(f139,plain,
    ! [X0] :
      ( function(X0)
      | in(unordered_pair(unordered_pair(sK12(X0),sK14(X0)),singleton(sK12(X0))),X0) ),
    inference(definition_unfolding,[],[f131,f125]) ).

fof(f140,plain,
    ! [X0] :
      ( function(X0)
      | in(unordered_pair(unordered_pair(sK12(X0),sK13(X0)),singleton(sK12(X0))),X0) ),
    inference(definition_unfolding,[],[f130,f125]) ).

fof(f142,plain,
    ! [X2,X3,X0] :
      ( relation(X0)
      | sK15(X0) != unordered_pair(unordered_pair(X2,X3),singleton(X2)) ),
    inference(definition_unfolding,[],[f135,f125]) ).

cnf(c_55,plain,
    unordered_pair(X0,X1) = unordered_pair(X1,X0),
    inference(cnf_transformation,[],[f95]) ).

cnf(c_85,negated_conjecture,
    ( ~ relation(sK9)
    | ~ function(sK9) ),
    inference(cnf_transformation,[],[f128]) ).

cnf(c_86,negated_conjecture,
    ( ~ in(unordered_pair(unordered_pair(X0,X1),singleton(X0)),sK9)
    | ~ in(unordered_pair(unordered_pair(X0,X2),singleton(X0)),sK9)
    | X1 = X2 ),
    inference(cnf_transformation,[],[f137]) ).

cnf(c_87,negated_conjecture,
    ( ~ in(X0,sK9)
    | unordered_pair(unordered_pair(sK10(X0),sK11(X0)),singleton(sK10(X0))) = X0 ),
    inference(cnf_transformation,[],[f138]) ).

cnf(c_88,plain,
    ( sK13(X0) != sK14(X0)
    | function(X0) ),
    inference(cnf_transformation,[],[f132]) ).

cnf(c_89,plain,
    ( in(unordered_pair(unordered_pair(sK12(X0),sK14(X0)),singleton(sK12(X0))),X0)
    | function(X0) ),
    inference(cnf_transformation,[],[f139]) ).

cnf(c_90,plain,
    ( in(unordered_pair(unordered_pair(sK12(X0),sK13(X0)),singleton(sK12(X0))),X0)
    | function(X0) ),
    inference(cnf_transformation,[],[f140]) ).

cnf(c_92,plain,
    ( unordered_pair(unordered_pair(X0,X1),singleton(X0)) != sK15(X2)
    | relation(X2) ),
    inference(cnf_transformation,[],[f142]) ).

cnf(c_93,plain,
    ( in(sK15(X0),X0)
    | relation(X0) ),
    inference(cnf_transformation,[],[f134]) ).

cnf(c_332,plain,
    ( unordered_pair(singleton(X0),unordered_pair(X0,X1)) != sK15(X2)
    | relation(X2) ),
    inference(demodulation,[status(thm)],[c_92,c_55]) ).

cnf(c_337,plain,
    ( in(unordered_pair(singleton(sK12(X0)),unordered_pair(sK12(X0),sK13(X0))),X0)
    | function(X0) ),
    inference(demodulation,[status(thm)],[c_90,c_55]) ).

cnf(c_342,plain,
    ( in(unordered_pair(singleton(sK12(X0)),unordered_pair(sK12(X0),sK14(X0))),X0)
    | function(X0) ),
    inference(demodulation,[status(thm)],[c_89,c_55]) ).

cnf(c_347,plain,
    ( ~ in(X0,sK9)
    | unordered_pair(singleton(sK10(X0)),unordered_pair(sK10(X0),sK11(X0))) = X0 ),
    inference(demodulation,[status(thm)],[c_87,c_55]) ).

cnf(c_359,plain,
    ( ~ in(unordered_pair(singleton(X0),unordered_pair(X0,X1)),sK9)
    | ~ in(unordered_pair(singleton(X0),unordered_pair(X0,X2)),sK9)
    | X1 = X2 ),
    inference(demodulation,[status(thm)],[c_86,c_55]) ).

cnf(c_1201,negated_conjecture,
    ( ~ relation(sK9)
    | ~ function(sK9) ),
    inference(demodulation,[status(thm)],[c_85]) ).

cnf(c_1635,plain,
    ( ~ in(unordered_pair(singleton(sK12(sK9)),unordered_pair(sK12(sK9),X0)),sK9)
    | sK13(sK9) = X0
    | function(sK9) ),
    inference(superposition,[status(thm)],[c_337,c_359]) ).

cnf(c_1659,plain,
    ( unordered_pair(singleton(sK10(sK15(sK9))),unordered_pair(sK10(sK15(sK9)),sK11(sK15(sK9)))) = sK15(sK9)
    | relation(sK9) ),
    inference(superposition,[status(thm)],[c_93,c_347]) ).

cnf(c_1690,plain,
    relation(sK9),
    inference(forward_subsumption_resolution,[status(thm)],[c_1659,c_332]) ).

cnf(c_1691,plain,
    ~ function(sK9),
    inference(backward_subsumption_resolution,[status(thm)],[c_1201,c_1690]) ).

cnf(c_1692,plain,
    ( ~ in(unordered_pair(singleton(sK12(sK9)),unordered_pair(sK12(sK9),X0)),sK9)
    | sK13(sK9) = X0 ),
    inference(backward_subsumption_resolution,[status(thm)],[c_1635,c_1691]) ).

cnf(c_2037,plain,
    ( sK13(sK9) != sK14(sK9)
    | function(sK9) ),
    inference(instantiation,[status(thm)],[c_88]) ).

cnf(c_2078,plain,
    ( sK13(sK9) = sK14(sK9)
    | function(sK9) ),
    inference(superposition,[status(thm)],[c_342,c_1692]) ).

cnf(c_2079,plain,
    sK13(sK9) = sK14(sK9),
    inference(forward_subsumption_resolution,[status(thm)],[c_2078,c_1691]) ).

cnf(c_2091,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_2079,c_2037,c_1691]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SET988+1 : TPTP v8.1.2. Released v3.2.0.
% 0.03/0.13  % Command  : run_iprover %s %d THM
% 0.12/0.34  % Computer : n007.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 300
% 0.12/0.34  % DateTime : Thu May  2 20:20:35 EDT 2024
% 0.12/0.34  % CPUTime  : 
% 0.19/0.47  Running first-order theorem proving
% 0.19/0.47  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --heuristic_context casc_unsat --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 3.16/1.17  % SZS status Started for theBenchmark.p
% 3.16/1.17  % SZS status Theorem for theBenchmark.p
% 3.16/1.17  
% 3.16/1.17  %---------------- iProver v3.9 (pre CASC 2024/SMT-COMP 2024) ----------------%
% 3.16/1.17  
% 3.16/1.17  ------  iProver source info
% 3.16/1.17  
% 3.16/1.17  git: date: 2024-05-02 19:28:25 +0000
% 3.16/1.17  git: sha1: a33b5eb135c74074ba803943bb12f2ebd971352f
% 3.16/1.17  git: non_committed_changes: false
% 3.16/1.17  
% 3.16/1.17  ------ Parsing...
% 3.16/1.17  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 3.16/1.17  
% 3.16/1.17  ------ Preprocessing... sup_sim: 7  sf_s  rm: 1 0s  sf_e  pe_s  pe:1:0s pe_e  sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e 
% 3.16/1.17  
% 3.16/1.17  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 3.16/1.17  
% 3.16/1.17  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 3.16/1.17  ------ Proving...
% 3.16/1.17  ------ Problem Properties 
% 3.16/1.17  
% 3.16/1.17  
% 3.16/1.17  clauses                                 41
% 3.16/1.17  conjectures                             1
% 3.16/1.17  EPR                                     20
% 3.16/1.17  Horn                                    36
% 3.16/1.17  unary                                   19
% 3.16/1.17  binary                                  15
% 3.16/1.17  lits                                    71
% 3.16/1.17  lits eq                                 9
% 3.16/1.17  fd_pure                                 0
% 3.16/1.17  fd_pseudo                               0
% 3.16/1.17  fd_cond                                 1
% 3.16/1.17  fd_pseudo_cond                          3
% 3.16/1.17  AC symbols                              0
% 3.16/1.17  
% 3.16/1.17  ------ Schedule dynamic 5 is on 
% 3.16/1.17  
% 3.16/1.17  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 3.16/1.17  
% 3.16/1.17  
% 3.16/1.17  ------ 
% 3.16/1.17  Current options:
% 3.16/1.17  ------ 
% 3.16/1.17  
% 3.16/1.17  
% 3.16/1.17  
% 3.16/1.17  
% 3.16/1.17  ------ Proving...
% 3.16/1.17  
% 3.16/1.17  
% 3.16/1.17  % SZS status Theorem for theBenchmark.p
% 3.16/1.17  
% 3.16/1.17  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 3.16/1.17  
% 3.16/1.17  
%------------------------------------------------------------------------------