TSTP Solution File: SET800+4 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SET800+4 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n008.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 15:09:54 EDT 2023

% Result   : Theorem 2.87s 1.14s
% Output   : CNFRefutation 2.87s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   55 (  13 unt;   0 def)
%            Number of atoms       :  216 (   8 equ)
%            Maximal formula atoms :   14 (   3 avg)
%            Number of connectives :  230 (  69   ~;  51   |;  82   &)
%                                         (   7 <=>;  21  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   6 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    8 (   6 usr;   1 prp; 0-4 aty)
%            Number of functors    :    8 (   8 usr;   6 con; 0-3 aty)
%            Number of variables   :  175 (  11 sgn; 102   !;  36   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [X0,X1] :
      ( subset(X0,X1)
    <=> ! [X2] :
          ( member(X2,X0)
         => member(X2,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subset) ).

fof(f15,axiom,
    ! [X5,X3,X7] :
      ( lower_bound(X7,X5,X3)
    <=> ! [X2] :
          ( member(X2,X3)
         => apply(X5,X7,X2) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lower_bound) ).

fof(f21,axiom,
    ! [X0,X2,X5,X3] :
      ( greatest_lower_bound(X0,X2,X5,X3)
    <=> ( ! [X7] :
            ( ( lower_bound(X7,X5,X2)
              & member(X7,X3) )
           => apply(X5,X7,X0) )
        & lower_bound(X0,X5,X2)
        & member(X0,X2) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',greatest_lower_bound) ).

fof(f22,conjecture,
    ! [X5,X3] :
      ( order(X5,X3)
     => ! [X8,X9] :
          ( ( subset(X8,X9)
            & subset(X9,X3)
            & subset(X8,X3) )
         => ! [X10,X11] :
              ( ( greatest_lower_bound(X11,X9,X5,X3)
                & greatest_lower_bound(X10,X8,X5,X3) )
             => apply(X5,X11,X10) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',thIV12) ).

fof(f23,negated_conjecture,
    ~ ! [X5,X3] :
        ( order(X5,X3)
       => ! [X8,X9] :
            ( ( subset(X8,X9)
              & subset(X9,X3)
              & subset(X8,X3) )
           => ! [X10,X11] :
                ( ( greatest_lower_bound(X11,X9,X5,X3)
                  & greatest_lower_bound(X10,X8,X5,X3) )
               => apply(X5,X11,X10) ) ) ),
    inference(negated_conjecture,[],[f22]) ).

fof(f36,plain,
    ! [X0,X1,X2] :
      ( lower_bound(X2,X0,X1)
    <=> ! [X3] :
          ( member(X3,X1)
         => apply(X0,X2,X3) ) ),
    inference(rectify,[],[f15]) ).

fof(f42,plain,
    ! [X0,X1,X2,X3] :
      ( greatest_lower_bound(X0,X1,X2,X3)
    <=> ( ! [X4] :
            ( ( lower_bound(X4,X2,X1)
              & member(X4,X3) )
           => apply(X2,X4,X0) )
        & lower_bound(X0,X2,X1)
        & member(X0,X1) ) ),
    inference(rectify,[],[f21]) ).

fof(f43,plain,
    ~ ! [X0,X1] :
        ( order(X0,X1)
       => ! [X2,X3] :
            ( ( subset(X2,X3)
              & subset(X3,X1)
              & subset(X2,X1) )
           => ! [X4,X5] :
                ( ( greatest_lower_bound(X5,X3,X0,X1)
                  & greatest_lower_bound(X4,X2,X0,X1) )
               => apply(X0,X5,X4) ) ) ),
    inference(rectify,[],[f23]) ).

fof(f44,plain,
    ! [X0,X1,X2,X3] :
      ( greatest_lower_bound(X0,X1,X2,X3)
     => ( ! [X4] :
            ( ( lower_bound(X4,X2,X1)
              & member(X4,X3) )
           => apply(X2,X4,X0) )
        & lower_bound(X0,X2,X1)
        & member(X0,X1) ) ),
    inference(unused_predicate_definition_removal,[],[f42]) ).

fof(f46,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
    <=> ! [X2] :
          ( member(X2,X1)
          | ~ member(X2,X0) ) ),
    inference(ennf_transformation,[],[f1]) ).

fof(f50,plain,
    ! [X0,X1,X2] :
      ( lower_bound(X2,X0,X1)
    <=> ! [X3] :
          ( apply(X0,X2,X3)
          | ~ member(X3,X1) ) ),
    inference(ennf_transformation,[],[f36]) ).

fof(f51,plain,
    ! [X0,X1,X2,X3] :
      ( ( ! [X4] :
            ( apply(X2,X4,X0)
            | ~ lower_bound(X4,X2,X1)
            | ~ member(X4,X3) )
        & lower_bound(X0,X2,X1)
        & member(X0,X1) )
      | ~ greatest_lower_bound(X0,X1,X2,X3) ),
    inference(ennf_transformation,[],[f44]) ).

fof(f52,plain,
    ! [X0,X1,X2,X3] :
      ( ( ! [X4] :
            ( apply(X2,X4,X0)
            | ~ lower_bound(X4,X2,X1)
            | ~ member(X4,X3) )
        & lower_bound(X0,X2,X1)
        & member(X0,X1) )
      | ~ greatest_lower_bound(X0,X1,X2,X3) ),
    inference(flattening,[],[f51]) ).

fof(f53,plain,
    ? [X0,X1] :
      ( ? [X2,X3] :
          ( ? [X4,X5] :
              ( ~ apply(X0,X5,X4)
              & greatest_lower_bound(X5,X3,X0,X1)
              & greatest_lower_bound(X4,X2,X0,X1) )
          & subset(X2,X3)
          & subset(X3,X1)
          & subset(X2,X1) )
      & order(X0,X1) ),
    inference(ennf_transformation,[],[f43]) ).

fof(f54,plain,
    ? [X0,X1] :
      ( ? [X2,X3] :
          ( ? [X4,X5] :
              ( ~ apply(X0,X5,X4)
              & greatest_lower_bound(X5,X3,X0,X1)
              & greatest_lower_bound(X4,X2,X0,X1) )
          & subset(X2,X3)
          & subset(X3,X1)
          & subset(X2,X1) )
      & order(X0,X1) ),
    inference(flattening,[],[f53]) ).

fof(f55,plain,
    ! [X0,X1] :
      ( ( subset(X0,X1)
        | ? [X2] :
            ( ~ member(X2,X1)
            & member(X2,X0) ) )
      & ( ! [X2] :
            ( member(X2,X1)
            | ~ member(X2,X0) )
        | ~ subset(X0,X1) ) ),
    inference(nnf_transformation,[],[f46]) ).

fof(f56,plain,
    ! [X0,X1] :
      ( ( subset(X0,X1)
        | ? [X2] :
            ( ~ member(X2,X1)
            & member(X2,X0) ) )
      & ( ! [X3] :
            ( member(X3,X1)
            | ~ member(X3,X0) )
        | ~ subset(X0,X1) ) ),
    inference(rectify,[],[f55]) ).

fof(f57,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ~ member(X2,X1)
          & member(X2,X0) )
     => ( ~ member(sK0(X0,X1),X1)
        & member(sK0(X0,X1),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f58,plain,
    ! [X0,X1] :
      ( ( subset(X0,X1)
        | ( ~ member(sK0(X0,X1),X1)
          & member(sK0(X0,X1),X0) ) )
      & ( ! [X3] :
            ( member(X3,X1)
            | ~ member(X3,X0) )
        | ~ subset(X0,X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f56,f57]) ).

fof(f77,plain,
    ! [X0,X1,X2] :
      ( ( lower_bound(X2,X0,X1)
        | ? [X3] :
            ( ~ apply(X0,X2,X3)
            & member(X3,X1) ) )
      & ( ! [X3] :
            ( apply(X0,X2,X3)
            | ~ member(X3,X1) )
        | ~ lower_bound(X2,X0,X1) ) ),
    inference(nnf_transformation,[],[f50]) ).

fof(f78,plain,
    ! [X0,X1,X2] :
      ( ( lower_bound(X2,X0,X1)
        | ? [X3] :
            ( ~ apply(X0,X2,X3)
            & member(X3,X1) ) )
      & ( ! [X4] :
            ( apply(X0,X2,X4)
            | ~ member(X4,X1) )
        | ~ lower_bound(X2,X0,X1) ) ),
    inference(rectify,[],[f77]) ).

fof(f79,plain,
    ! [X0,X1,X2] :
      ( ? [X3] :
          ( ~ apply(X0,X2,X3)
          & member(X3,X1) )
     => ( ~ apply(X0,X2,sK3(X0,X1,X2))
        & member(sK3(X0,X1,X2),X1) ) ),
    introduced(choice_axiom,[]) ).

fof(f80,plain,
    ! [X0,X1,X2] :
      ( ( lower_bound(X2,X0,X1)
        | ( ~ apply(X0,X2,sK3(X0,X1,X2))
          & member(sK3(X0,X1,X2),X1) ) )
      & ( ! [X4] :
            ( apply(X0,X2,X4)
            | ~ member(X4,X1) )
        | ~ lower_bound(X2,X0,X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3])],[f78,f79]) ).

fof(f81,plain,
    ( ? [X0,X1] :
        ( ? [X2,X3] :
            ( ? [X4,X5] :
                ( ~ apply(X0,X5,X4)
                & greatest_lower_bound(X5,X3,X0,X1)
                & greatest_lower_bound(X4,X2,X0,X1) )
            & subset(X2,X3)
            & subset(X3,X1)
            & subset(X2,X1) )
        & order(X0,X1) )
   => ( ? [X3,X2] :
          ( ? [X5,X4] :
              ( ~ apply(sK4,X5,X4)
              & greatest_lower_bound(X5,X3,sK4,sK5)
              & greatest_lower_bound(X4,X2,sK4,sK5) )
          & subset(X2,X3)
          & subset(X3,sK5)
          & subset(X2,sK5) )
      & order(sK4,sK5) ) ),
    introduced(choice_axiom,[]) ).

fof(f82,plain,
    ( ? [X3,X2] :
        ( ? [X5,X4] :
            ( ~ apply(sK4,X5,X4)
            & greatest_lower_bound(X5,X3,sK4,sK5)
            & greatest_lower_bound(X4,X2,sK4,sK5) )
        & subset(X2,X3)
        & subset(X3,sK5)
        & subset(X2,sK5) )
   => ( ? [X5,X4] :
          ( ~ apply(sK4,X5,X4)
          & greatest_lower_bound(X5,sK7,sK4,sK5)
          & greatest_lower_bound(X4,sK6,sK4,sK5) )
      & subset(sK6,sK7)
      & subset(sK7,sK5)
      & subset(sK6,sK5) ) ),
    introduced(choice_axiom,[]) ).

fof(f83,plain,
    ( ? [X5,X4] :
        ( ~ apply(sK4,X5,X4)
        & greatest_lower_bound(X5,sK7,sK4,sK5)
        & greatest_lower_bound(X4,sK6,sK4,sK5) )
   => ( ~ apply(sK4,sK9,sK8)
      & greatest_lower_bound(sK9,sK7,sK4,sK5)
      & greatest_lower_bound(sK8,sK6,sK4,sK5) ) ),
    introduced(choice_axiom,[]) ).

fof(f84,plain,
    ( ~ apply(sK4,sK9,sK8)
    & greatest_lower_bound(sK9,sK7,sK4,sK5)
    & greatest_lower_bound(sK8,sK6,sK4,sK5)
    & subset(sK6,sK7)
    & subset(sK7,sK5)
    & subset(sK6,sK5)
    & order(sK4,sK5) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK4,sK5,sK6,sK7,sK8,sK9])],[f54,f83,f82,f81]) ).

fof(f85,plain,
    ! [X3,X0,X1] :
      ( member(X3,X1)
      | ~ member(X3,X0)
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f58]) ).

fof(f114,plain,
    ! [X2,X0,X1,X4] :
      ( apply(X0,X2,X4)
      | ~ member(X4,X1)
      | ~ lower_bound(X2,X0,X1) ),
    inference(cnf_transformation,[],[f80]) ).

fof(f117,plain,
    ! [X2,X3,X0,X1] :
      ( member(X0,X1)
      | ~ greatest_lower_bound(X0,X1,X2,X3) ),
    inference(cnf_transformation,[],[f52]) ).

fof(f118,plain,
    ! [X2,X3,X0,X1] :
      ( lower_bound(X0,X2,X1)
      | ~ greatest_lower_bound(X0,X1,X2,X3) ),
    inference(cnf_transformation,[],[f52]) ).

fof(f123,plain,
    subset(sK6,sK7),
    inference(cnf_transformation,[],[f84]) ).

fof(f124,plain,
    greatest_lower_bound(sK8,sK6,sK4,sK5),
    inference(cnf_transformation,[],[f84]) ).

fof(f125,plain,
    greatest_lower_bound(sK9,sK7,sK4,sK5),
    inference(cnf_transformation,[],[f84]) ).

fof(f126,plain,
    ~ apply(sK4,sK9,sK8),
    inference(cnf_transformation,[],[f84]) ).

cnf(c_51,plain,
    ( ~ subset(X0,X1)
    | ~ member(X2,X0)
    | member(X2,X1) ),
    inference(cnf_transformation,[],[f85]) ).

cnf(c_80,plain,
    ( ~ lower_bound(X0,X1,X2)
    | ~ member(X3,X2)
    | apply(X1,X0,X3) ),
    inference(cnf_transformation,[],[f114]) ).

cnf(c_82,plain,
    ( ~ greatest_lower_bound(X0,X1,X2,X3)
    | lower_bound(X0,X2,X1) ),
    inference(cnf_transformation,[],[f118]) ).

cnf(c_83,plain,
    ( ~ greatest_lower_bound(X0,X1,X2,X3)
    | member(X0,X1) ),
    inference(cnf_transformation,[],[f117]) ).

cnf(c_84,negated_conjecture,
    ~ apply(sK4,sK9,sK8),
    inference(cnf_transformation,[],[f126]) ).

cnf(c_85,negated_conjecture,
    greatest_lower_bound(sK9,sK7,sK4,sK5),
    inference(cnf_transformation,[],[f125]) ).

cnf(c_86,negated_conjecture,
    greatest_lower_bound(sK8,sK6,sK4,sK5),
    inference(cnf_transformation,[],[f124]) ).

cnf(c_87,negated_conjecture,
    subset(sK6,sK7),
    inference(cnf_transformation,[],[f123]) ).

cnf(c_136,plain,
    ( member(X0,X1)
    | ~ greatest_lower_bound(X0,X1,X2,X3) ),
    inference(prop_impl_just,[status(thm)],[c_83]) ).

cnf(c_137,plain,
    ( ~ greatest_lower_bound(X0,X1,X2,X3)
    | member(X0,X1) ),
    inference(renaming,[status(thm)],[c_136]) ).

cnf(c_168,plain,
    ( ~ greatest_lower_bound(X0,X1,X2,X3)
    | lower_bound(X0,X2,X1) ),
    inference(prop_impl_just,[status(thm)],[c_82]) ).

cnf(c_623,plain,
    ( X0 != sK9
    | X1 != sK7
    | X2 != sK4
    | X3 != sK5
    | lower_bound(X0,X2,X1) ),
    inference(resolution_lifted,[status(thm)],[c_168,c_85]) ).

cnf(c_624,plain,
    lower_bound(sK9,sK4,sK7),
    inference(unflattening,[status(thm)],[c_623]) ).

cnf(c_640,plain,
    ( X0 != sK8
    | X1 != sK6
    | X2 != sK4
    | X3 != sK5
    | member(X0,X1) ),
    inference(resolution_lifted,[status(thm)],[c_137,c_86]) ).

cnf(c_641,plain,
    member(sK8,sK6),
    inference(unflattening,[status(thm)],[c_640]) ).

cnf(c_2005,plain,
    ( ~ subset(sK6,X0)
    | member(sK8,X0) ),
    inference(superposition,[status(thm)],[c_641,c_51]) ).

cnf(c_2114,plain,
    member(sK8,sK7),
    inference(superposition,[status(thm)],[c_87,c_2005]) ).

cnf(c_2565,plain,
    ( ~ member(X0,sK7)
    | apply(sK4,sK9,X0) ),
    inference(superposition,[status(thm)],[c_624,c_80]) ).

cnf(c_2720,plain,
    ~ member(sK8,sK7),
    inference(superposition,[status(thm)],[c_2565,c_84]) ).

cnf(c_2723,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[c_2720,c_2114]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SET800+4 : TPTP v8.1.2. Released v3.2.0.
% 0.12/0.13  % Command  : run_iprover %s %d THM
% 0.12/0.33  % Computer : n008.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 : Sat Aug 26 09:43:48 EDT 2023
% 0.12/0.33  % CPUTime  : 
% 0.19/0.46  Running first-order theorem proving
% 0.19/0.46  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 2.87/1.14  % SZS status Started for theBenchmark.p
% 2.87/1.14  % SZS status Theorem for theBenchmark.p
% 2.87/1.14  
% 2.87/1.14  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 2.87/1.14  
% 2.87/1.14  ------  iProver source info
% 2.87/1.14  
% 2.87/1.14  git: date: 2023-05-31 18:12:56 +0000
% 2.87/1.14  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 2.87/1.14  git: non_committed_changes: false
% 2.87/1.14  git: last_make_outside_of_git: false
% 2.87/1.14  
% 2.87/1.14  ------ Parsing...
% 2.87/1.14  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 2.87/1.14  
% 2.87/1.14  ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe:1:0s pe:2:0s pe_e 
% 2.87/1.14  
% 2.87/1.14  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 2.87/1.14  
% 2.87/1.14  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 2.87/1.14  ------ Proving...
% 2.87/1.14  ------ Problem Properties 
% 2.87/1.14  
% 2.87/1.14  
% 2.87/1.14  clauses                                 42
% 2.87/1.14  conjectures                             4
% 2.87/1.14  EPR                                     16
% 2.87/1.14  Horn                                    36
% 2.87/1.14  unary                                   12
% 2.87/1.14  binary                                  18
% 2.87/1.14  lits                                    89
% 2.87/1.14  lits eq                                 4
% 2.87/1.14  fd_pure                                 0
% 2.87/1.14  fd_pseudo                               0
% 2.87/1.14  fd_cond                                 0
% 2.87/1.14  fd_pseudo_cond                          3
% 2.87/1.14  AC symbols                              0
% 2.87/1.14  
% 2.87/1.14  ------ Schedule dynamic 5 is on 
% 2.87/1.14  
% 2.87/1.14  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 2.87/1.14  
% 2.87/1.14  
% 2.87/1.14  ------ 
% 2.87/1.14  Current options:
% 2.87/1.14  ------ 
% 2.87/1.14  
% 2.87/1.14  
% 2.87/1.14  
% 2.87/1.14  
% 2.87/1.14  ------ Proving...
% 2.87/1.14  
% 2.87/1.14  
% 2.87/1.14  % SZS status Theorem for theBenchmark.p
% 2.87/1.14  
% 2.87/1.14  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.87/1.14  
% 2.87/1.14  
%------------------------------------------------------------------------------