TSTP Solution File: SET012+4 by iProver---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.9
% Problem  : SET012+4 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n010.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 02:59:16 EDT 2024

% Result   : Theorem 50.22s 7.69s
% Output   : CNFRefutation 50.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   56 (   5 unt;   0 def)
%            Number of atoms       :  152 (   0 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :  168 (  72   ~;  64   |;  20   &)
%                                         (   5 <=>;   7  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :  102 (   6 sgn  61   !;   7   ?)

% 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(f2,axiom,
    ! [X0,X1] :
      ( equal_set(X0,X1)
    <=> ( subset(X1,X0)
        & subset(X0,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equal_set) ).

fof(f7,axiom,
    ! [X1,X0,X3] :
      ( member(X1,difference(X3,X0))
    <=> ( ~ member(X1,X0)
        & member(X1,X3) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',difference) ).

fof(f12,conjecture,
    ! [X0,X3] :
      ( subset(X0,X3)
     => equal_set(difference(X3,difference(X3,X0)),X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',thI23) ).

fof(f13,negated_conjecture,
    ~ ! [X0,X3] :
        ( subset(X0,X3)
       => equal_set(difference(X3,difference(X3,X0)),X0) ),
    inference(negated_conjecture,[],[f12]) ).

fof(f18,plain,
    ! [X0,X1,X2] :
      ( member(X0,difference(X2,X1))
    <=> ( ~ member(X0,X1)
        & member(X0,X2) ) ),
    inference(rectify,[],[f7]) ).

fof(f23,plain,
    ~ ! [X0,X1] :
        ( subset(X0,X1)
       => equal_set(difference(X1,difference(X1,X0)),X0) ),
    inference(rectify,[],[f13]) ).

fof(f24,plain,
    ! [X0,X1] :
      ( ( subset(X1,X0)
        & subset(X0,X1) )
     => equal_set(X0,X1) ),
    inference(unused_predicate_definition_removal,[],[f2]) ).

fof(f25,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
    <=> ! [X2] :
          ( member(X2,X1)
          | ~ member(X2,X0) ) ),
    inference(ennf_transformation,[],[f1]) ).

fof(f26,plain,
    ! [X0,X1] :
      ( equal_set(X0,X1)
      | ~ subset(X1,X0)
      | ~ subset(X0,X1) ),
    inference(ennf_transformation,[],[f24]) ).

fof(f27,plain,
    ! [X0,X1] :
      ( equal_set(X0,X1)
      | ~ subset(X1,X0)
      | ~ subset(X0,X1) ),
    inference(flattening,[],[f26]) ).

fof(f29,plain,
    ? [X0,X1] :
      ( ~ equal_set(difference(X1,difference(X1,X0)),X0)
      & subset(X0,X1) ),
    inference(ennf_transformation,[],[f23]) ).

fof(f30,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,[],[f25]) ).

fof(f31,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,[],[f30]) ).

fof(f32,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ~ member(X2,X1)
          & member(X2,X0) )
     => ( ~ member(sK0(X0,X1),X1)
        & member(sK0(X0,X1),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f33,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])],[f31,f32]) ).

fof(f39,plain,
    ! [X0,X1,X2] :
      ( ( member(X0,difference(X2,X1))
        | member(X0,X1)
        | ~ member(X0,X2) )
      & ( ( ~ member(X0,X1)
          & member(X0,X2) )
        | ~ member(X0,difference(X2,X1)) ) ),
    inference(nnf_transformation,[],[f18]) ).

fof(f40,plain,
    ! [X0,X1,X2] :
      ( ( member(X0,difference(X2,X1))
        | member(X0,X1)
        | ~ member(X0,X2) )
      & ( ( ~ member(X0,X1)
          & member(X0,X2) )
        | ~ member(X0,difference(X2,X1)) ) ),
    inference(flattening,[],[f39]) ).

fof(f52,plain,
    ( ? [X0,X1] :
        ( ~ equal_set(difference(X1,difference(X1,X0)),X0)
        & subset(X0,X1) )
   => ( ~ equal_set(difference(sK4,difference(sK4,sK3)),sK3)
      & subset(sK3,sK4) ) ),
    introduced(choice_axiom,[]) ).

fof(f53,plain,
    ( ~ equal_set(difference(sK4,difference(sK4,sK3)),sK3)
    & subset(sK3,sK4) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3,sK4])],[f29,f52]) ).

fof(f54,plain,
    ! [X3,X0,X1] :
      ( member(X3,X1)
      | ~ member(X3,X0)
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f33]) ).

fof(f55,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | member(sK0(X0,X1),X0) ),
    inference(cnf_transformation,[],[f33]) ).

fof(f56,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | ~ member(sK0(X0,X1),X1) ),
    inference(cnf_transformation,[],[f33]) ).

fof(f57,plain,
    ! [X0,X1] :
      ( equal_set(X0,X1)
      | ~ subset(X1,X0)
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f27]) ).

fof(f67,plain,
    ! [X2,X0,X1] :
      ( member(X0,X2)
      | ~ member(X0,difference(X2,X1)) ),
    inference(cnf_transformation,[],[f40]) ).

fof(f68,plain,
    ! [X2,X0,X1] :
      ( ~ member(X0,X1)
      | ~ member(X0,difference(X2,X1)) ),
    inference(cnf_transformation,[],[f40]) ).

fof(f69,plain,
    ! [X2,X0,X1] :
      ( member(X0,difference(X2,X1))
      | member(X0,X1)
      | ~ member(X0,X2) ),
    inference(cnf_transformation,[],[f40]) ).

fof(f81,plain,
    subset(sK3,sK4),
    inference(cnf_transformation,[],[f53]) ).

fof(f82,plain,
    ~ equal_set(difference(sK4,difference(sK4,sK3)),sK3),
    inference(cnf_transformation,[],[f53]) ).

cnf(c_49,plain,
    ( ~ member(sK0(X0,X1),X1)
    | subset(X0,X1) ),
    inference(cnf_transformation,[],[f56]) ).

cnf(c_50,plain,
    ( member(sK0(X0,X1),X0)
    | subset(X0,X1) ),
    inference(cnf_transformation,[],[f55]) ).

cnf(c_51,plain,
    ( ~ subset(X0,X1)
    | ~ member(X2,X0)
    | member(X2,X1) ),
    inference(cnf_transformation,[],[f54]) ).

cnf(c_52,plain,
    ( ~ subset(X0,X1)
    | ~ subset(X1,X0)
    | equal_set(X0,X1) ),
    inference(cnf_transformation,[],[f57]) ).

cnf(c_62,plain,
    ( ~ member(X0,X1)
    | member(X0,difference(X1,X2))
    | member(X0,X2) ),
    inference(cnf_transformation,[],[f69]) ).

cnf(c_63,plain,
    ( ~ member(X0,difference(X1,X2))
    | ~ member(X0,X2) ),
    inference(cnf_transformation,[],[f68]) ).

cnf(c_64,plain,
    ( ~ member(X0,difference(X1,X2))
    | member(X0,X1) ),
    inference(cnf_transformation,[],[f67]) ).

cnf(c_76,negated_conjecture,
    ~ equal_set(difference(sK4,difference(sK4,sK3)),sK3),
    inference(cnf_transformation,[],[f82]) ).

cnf(c_77,negated_conjecture,
    subset(sK3,sK4),
    inference(cnf_transformation,[],[f81]) ).

cnf(c_120,plain,
    ( ~ subset(difference(sK4,difference(sK4,sK3)),sK3)
    | ~ subset(sK3,difference(sK4,difference(sK4,sK3)))
    | equal_set(difference(sK4,difference(sK4,sK3)),sK3) ),
    inference(instantiation,[status(thm)],[c_52]) ).

cnf(c_221,plain,
    ( member(sK0(sK3,difference(sK4,difference(sK4,sK3))),sK3)
    | subset(sK3,difference(sK4,difference(sK4,sK3))) ),
    inference(instantiation,[status(thm)],[c_50]) ).

cnf(c_222,plain,
    ( ~ member(sK0(sK3,difference(sK4,difference(sK4,sK3))),difference(sK4,difference(sK4,sK3)))
    | subset(sK3,difference(sK4,difference(sK4,sK3))) ),
    inference(instantiation,[status(thm)],[c_49]) ).

cnf(c_267,plain,
    ( ~ member(X0,X1)
    | member(X0,difference(X1,difference(X2,X3)))
    | member(X0,difference(X2,X3)) ),
    inference(instantiation,[status(thm)],[c_62]) ).

cnf(c_872,plain,
    ( member(sK0(difference(sK4,difference(sK4,sK3)),sK3),difference(sK4,difference(sK4,sK3)))
    | subset(difference(sK4,difference(sK4,sK3)),sK3) ),
    inference(instantiation,[status(thm)],[c_50]) ).

cnf(c_873,plain,
    ( ~ member(sK0(difference(sK4,difference(sK4,sK3)),sK3),sK3)
    | subset(difference(sK4,difference(sK4,sK3)),sK3) ),
    inference(instantiation,[status(thm)],[c_49]) ).

cnf(c_2534,plain,
    ( ~ member(X0,difference(X1,difference(X2,X3)))
    | member(X0,X1) ),
    inference(instantiation,[status(thm)],[c_64]) ).

cnf(c_2535,plain,
    ( ~ member(X0,difference(X1,difference(X2,X3)))
    | ~ member(X0,difference(X2,X3)) ),
    inference(instantiation,[status(thm)],[c_63]) ).

cnf(c_2548,plain,
    ( ~ member(sK0(sK3,difference(sK4,difference(sK4,sK3))),sK4)
    | member(sK0(sK3,difference(sK4,difference(sK4,sK3))),difference(sK4,difference(sK4,sK3)))
    | member(sK0(sK3,difference(sK4,difference(sK4,sK3))),difference(sK4,sK3)) ),
    inference(instantiation,[status(thm)],[c_267]) ).

cnf(c_4135,plain,
    ( ~ member(sK0(sK3,difference(sK4,difference(sK4,sK3))),sK3)
    | ~ subset(sK3,X0)
    | member(sK0(sK3,difference(sK4,difference(sK4,sK3))),X0) ),
    inference(instantiation,[status(thm)],[c_51]) ).

cnf(c_9300,plain,
    ( ~ member(sK0(difference(sK4,difference(sK4,sK3)),sK3),difference(sK4,difference(sK4,sK3)))
    | member(sK0(difference(sK4,difference(sK4,sK3)),sK3),sK4) ),
    inference(instantiation,[status(thm)],[c_2534]) ).

cnf(c_10987,plain,
    ( ~ member(sK0(difference(sK4,difference(sK4,sK3)),sK3),difference(sK4,difference(sK4,sK3)))
    | ~ member(sK0(difference(sK4,difference(sK4,sK3)),sK3),difference(sK4,sK3)) ),
    inference(instantiation,[status(thm)],[c_2535]) ).

cnf(c_11931,plain,
    ( ~ member(sK0(difference(sK4,difference(sK4,sK3)),sK3),sK4)
    | member(sK0(difference(sK4,difference(sK4,sK3)),sK3),difference(sK4,X0))
    | member(sK0(difference(sK4,difference(sK4,sK3)),sK3),X0) ),
    inference(instantiation,[status(thm)],[c_62]) ).

cnf(c_11933,plain,
    ( ~ member(sK0(difference(sK4,difference(sK4,sK3)),sK3),sK4)
    | member(sK0(difference(sK4,difference(sK4,sK3)),sK3),difference(sK4,sK3))
    | member(sK0(difference(sK4,difference(sK4,sK3)),sK3),sK3) ),
    inference(instantiation,[status(thm)],[c_11931]) ).

cnf(c_12779,plain,
    ( ~ member(sK0(sK3,difference(sK4,difference(sK4,sK3))),difference(X0,X1))
    | ~ member(sK0(sK3,difference(sK4,difference(sK4,sK3))),X1) ),
    inference(instantiation,[status(thm)],[c_63]) ).

cnf(c_12858,plain,
    ( ~ member(sK0(sK3,difference(sK4,difference(sK4,sK3))),sK3)
    | ~ subset(sK3,sK4)
    | member(sK0(sK3,difference(sK4,difference(sK4,sK3))),sK4) ),
    inference(instantiation,[status(thm)],[c_4135]) ).

cnf(c_29238,plain,
    ( ~ member(sK0(sK3,difference(sK4,difference(sK4,sK3))),difference(sK4,sK3))
    | ~ member(sK0(sK3,difference(sK4,difference(sK4,sK3))),sK3) ),
    inference(instantiation,[status(thm)],[c_12779]) ).

cnf(c_29239,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_29238,c_12858,c_11933,c_10987,c_9300,c_2548,c_872,c_873,c_221,c_222,c_120,c_76,c_77]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : SET012+4 : TPTP v8.1.2. Released v2.2.0.
% 0.06/0.12  % Command  : run_iprover %s %d THM
% 0.11/0.32  % Computer : n010.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.33  % CPULimit : 300
% 0.11/0.33  % WCLimit  : 300
% 0.11/0.33  % DateTime : Thu May  2 20:02:50 EDT 2024
% 0.11/0.33  % CPUTime  : 
% 0.18/0.44  Running first-order theorem proving
% 0.18/0.44  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
% 50.22/7.69  % SZS status Started for theBenchmark.p
% 50.22/7.69  % SZS status Theorem for theBenchmark.p
% 50.22/7.69  
% 50.22/7.69  %---------------- iProver v3.9 (pre CASC 2024/SMT-COMP 2024) ----------------%
% 50.22/7.69  
% 50.22/7.69  ------  iProver source info
% 50.22/7.69  
% 50.22/7.69  git: date: 2024-05-02 19:28:25 +0000
% 50.22/7.69  git: sha1: a33b5eb135c74074ba803943bb12f2ebd971352f
% 50.22/7.69  git: non_committed_changes: false
% 50.22/7.69  
% 50.22/7.69  ------ Parsing...
% 50.22/7.69  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 50.22/7.69  
% 50.22/7.69  ------ Preprocessing... sf_s  rm: 1 0s  sf_e 
% 50.22/7.69  
% 50.22/7.69  ------ Preprocessing...
% 50.22/7.69  
% 50.22/7.69  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 50.22/7.69  ------ Proving...
% 50.22/7.69  ------ Problem Properties 
% 50.22/7.69  
% 50.22/7.69  
% 50.22/7.69  clauses                                 29
% 50.22/7.69  conjectures                             2
% 50.22/7.69  EPR                                     4
% 50.22/7.69  Horn                                    24
% 50.22/7.69  unary                                   6
% 50.22/7.69  binary                                  15
% 50.22/7.69  lits                                    60
% 50.22/7.69  lits eq                                 3
% 50.22/7.69  fd_pure                                 0
% 50.22/7.69  fd_pseudo                               0
% 50.22/7.69  fd_cond                                 0
% 50.22/7.69  fd_pseudo_cond                          2
% 50.22/7.69  AC symbols                              0
% 50.22/7.69  
% 50.22/7.69  ------ Input Options Time Limit: Unbounded
% 50.22/7.69  
% 50.22/7.69  
% 50.22/7.69  ------ 
% 50.22/7.69  Current options:
% 50.22/7.69  ------ 
% 50.22/7.69  
% 50.22/7.69  
% 50.22/7.69  
% 50.22/7.69  
% 50.22/7.69  ------ Proving...
% 50.22/7.69  
% 50.22/7.69  
% 50.22/7.69  % SZS status Theorem for theBenchmark.p
% 50.22/7.69  
% 50.22/7.69  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 50.22/7.69  
% 50.22/7.70  
%------------------------------------------------------------------------------