TSTP Solution File: SYN352+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SYN352+1 : TPTP v8.1.2. Released v2.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n032.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 Sep  1 03:06:37 EDT 2023

% Result   : Theorem 1.25s 1.01s
% Output   : CNFRefutation 1.25s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   24 (   1 unt;   0 def)
%            Number of atoms       :  186 (   0 equ)
%            Maximal formula atoms :   30 (   7 avg)
%            Number of connectives :  228 (  66   ~;  88   |;  52   &)
%                                         (   4 <=>;  14  =>;   0  <=;   4 <~>)
%            Maximal formula depth :   13 (   7 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-2 aty)
%            Number of variables   :   63 (   0 sgn;  30   !;  21   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,conjecture,
    ! [X0,X1] :
    ? [X2,X3] :
    ! [X4] :
      ( big_f(X0,X1)
     => ( ( big_f(X2,X3)
         => ( big_f(X3,X4)
            | big_f(X1,X4) ) )
       => ( ( ( big_f(X2,X3)
             => ( big_f(X1,X4)
              <=> big_f(X2,X4) ) )
           => big_f(X4,X4) )
         => ( ( big_f(X2,X4)
            <=> big_f(X3,X4) )
            & big_f(X2,X3) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',church_46_18_4) ).

fof(f2,negated_conjecture,
    ~ ! [X0,X1] :
      ? [X2,X3] :
      ! [X4] :
        ( big_f(X0,X1)
       => ( ( big_f(X2,X3)
           => ( big_f(X3,X4)
              | big_f(X1,X4) ) )
         => ( ( ( big_f(X2,X3)
               => ( big_f(X1,X4)
                <=> big_f(X2,X4) ) )
             => big_f(X4,X4) )
           => ( ( big_f(X2,X4)
              <=> big_f(X3,X4) )
              & big_f(X2,X3) ) ) ) ),
    inference(negated_conjecture,[],[f1]) ).

fof(f3,plain,
    ? [X0,X1] :
    ! [X2,X3] :
    ? [X4] :
      ( ( ( big_f(X2,X4)
        <~> big_f(X3,X4) )
        | ~ big_f(X2,X3) )
      & ( big_f(X4,X4)
        | ( ( big_f(X1,X4)
          <~> big_f(X2,X4) )
          & big_f(X2,X3) ) )
      & ( big_f(X3,X4)
        | big_f(X1,X4)
        | ~ big_f(X2,X3) )
      & big_f(X0,X1) ),
    inference(ennf_transformation,[],[f2]) ).

fof(f4,plain,
    ? [X0,X1] :
    ! [X2,X3] :
    ? [X4] :
      ( ( ( big_f(X2,X4)
        <~> big_f(X3,X4) )
        | ~ big_f(X2,X3) )
      & ( big_f(X4,X4)
        | ( ( big_f(X1,X4)
          <~> big_f(X2,X4) )
          & big_f(X2,X3) ) )
      & ( big_f(X3,X4)
        | big_f(X1,X4)
        | ~ big_f(X2,X3) )
      & big_f(X0,X1) ),
    inference(flattening,[],[f3]) ).

fof(f5,plain,
    ? [X0,X1] :
    ! [X2,X3] :
    ? [X4] :
      ( ( ( ( ~ big_f(X3,X4)
            | ~ big_f(X2,X4) )
          & ( big_f(X3,X4)
            | big_f(X2,X4) ) )
        | ~ big_f(X2,X3) )
      & ( big_f(X4,X4)
        | ( ( ~ big_f(X2,X4)
            | ~ big_f(X1,X4) )
          & ( big_f(X2,X4)
            | big_f(X1,X4) )
          & big_f(X2,X3) ) )
      & ( big_f(X3,X4)
        | big_f(X1,X4)
        | ~ big_f(X2,X3) )
      & big_f(X0,X1) ),
    inference(nnf_transformation,[],[f4]) ).

fof(f6,plain,
    ? [X0,X1] :
    ! [X2,X3] :
    ? [X4] :
      ( ( ( ( ~ big_f(X3,X4)
            | ~ big_f(X2,X4) )
          & ( big_f(X3,X4)
            | big_f(X2,X4) ) )
        | ~ big_f(X2,X3) )
      & ( big_f(X4,X4)
        | ( ( ~ big_f(X2,X4)
            | ~ big_f(X1,X4) )
          & ( big_f(X2,X4)
            | big_f(X1,X4) )
          & big_f(X2,X3) ) )
      & ( big_f(X3,X4)
        | big_f(X1,X4)
        | ~ big_f(X2,X3) )
      & big_f(X0,X1) ),
    inference(flattening,[],[f5]) ).

fof(f7,plain,
    ( ? [X0,X1] :
      ! [X2,X3] :
      ? [X4] :
        ( ( ( ( ~ big_f(X3,X4)
              | ~ big_f(X2,X4) )
            & ( big_f(X3,X4)
              | big_f(X2,X4) ) )
          | ~ big_f(X2,X3) )
        & ( big_f(X4,X4)
          | ( ( ~ big_f(X2,X4)
              | ~ big_f(X1,X4) )
            & ( big_f(X2,X4)
              | big_f(X1,X4) )
            & big_f(X2,X3) ) )
        & ( big_f(X3,X4)
          | big_f(X1,X4)
          | ~ big_f(X2,X3) )
        & big_f(X0,X1) )
   => ! [X3,X2] :
      ? [X4] :
        ( ( ( ( ~ big_f(X3,X4)
              | ~ big_f(X2,X4) )
            & ( big_f(X3,X4)
              | big_f(X2,X4) ) )
          | ~ big_f(X2,X3) )
        & ( big_f(X4,X4)
          | ( ( ~ big_f(X2,X4)
              | ~ big_f(sK1,X4) )
            & ( big_f(X2,X4)
              | big_f(sK1,X4) )
            & big_f(X2,X3) ) )
        & ( big_f(X3,X4)
          | big_f(sK1,X4)
          | ~ big_f(X2,X3) )
        & big_f(sK0,sK1) ) ),
    introduced(choice_axiom,[]) ).

fof(f8,plain,
    ! [X2,X3] :
      ( ? [X4] :
          ( ( ( ( ~ big_f(X3,X4)
                | ~ big_f(X2,X4) )
              & ( big_f(X3,X4)
                | big_f(X2,X4) ) )
            | ~ big_f(X2,X3) )
          & ( big_f(X4,X4)
            | ( ( ~ big_f(X2,X4)
                | ~ big_f(sK1,X4) )
              & ( big_f(X2,X4)
                | big_f(sK1,X4) )
              & big_f(X2,X3) ) )
          & ( big_f(X3,X4)
            | big_f(sK1,X4)
            | ~ big_f(X2,X3) )
          & big_f(sK0,sK1) )
     => ( ( ( ( ~ big_f(X3,sK2(X2,X3))
              | ~ big_f(X2,sK2(X2,X3)) )
            & ( big_f(X3,sK2(X2,X3))
              | big_f(X2,sK2(X2,X3)) ) )
          | ~ big_f(X2,X3) )
        & ( big_f(sK2(X2,X3),sK2(X2,X3))
          | ( ( ~ big_f(X2,sK2(X2,X3))
              | ~ big_f(sK1,sK2(X2,X3)) )
            & ( big_f(X2,sK2(X2,X3))
              | big_f(sK1,sK2(X2,X3)) )
            & big_f(X2,X3) ) )
        & ( big_f(X3,sK2(X2,X3))
          | big_f(sK1,sK2(X2,X3))
          | ~ big_f(X2,X3) )
        & big_f(sK0,sK1) ) ),
    introduced(choice_axiom,[]) ).

fof(f9,plain,
    ! [X2,X3] :
      ( ( ( ( ~ big_f(X3,sK2(X2,X3))
            | ~ big_f(X2,sK2(X2,X3)) )
          & ( big_f(X3,sK2(X2,X3))
            | big_f(X2,sK2(X2,X3)) ) )
        | ~ big_f(X2,X3) )
      & ( big_f(sK2(X2,X3),sK2(X2,X3))
        | ( ( ~ big_f(X2,sK2(X2,X3))
            | ~ big_f(sK1,sK2(X2,X3)) )
          & ( big_f(X2,sK2(X2,X3))
            | big_f(sK1,sK2(X2,X3)) )
          & big_f(X2,X3) ) )
      & ( big_f(X3,sK2(X2,X3))
        | big_f(sK1,sK2(X2,X3))
        | ~ big_f(X2,X3) )
      & big_f(sK0,sK1) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2])],[f6,f8,f7]) ).

fof(f13,plain,
    ! [X2,X3] :
      ( big_f(sK2(X2,X3),sK2(X2,X3))
      | big_f(X2,sK2(X2,X3))
      | big_f(sK1,sK2(X2,X3)) ),
    inference(cnf_transformation,[],[f9]) ).

fof(f14,plain,
    ! [X2,X3] :
      ( big_f(sK2(X2,X3),sK2(X2,X3))
      | ~ big_f(X2,sK2(X2,X3))
      | ~ big_f(sK1,sK2(X2,X3)) ),
    inference(cnf_transformation,[],[f9]) ).

fof(f15,plain,
    ! [X2,X3] :
      ( big_f(X3,sK2(X2,X3))
      | big_f(X2,sK2(X2,X3))
      | ~ big_f(X2,X3) ),
    inference(cnf_transformation,[],[f9]) ).

fof(f16,plain,
    ! [X2,X3] :
      ( ~ big_f(X3,sK2(X2,X3))
      | ~ big_f(X2,sK2(X2,X3))
      | ~ big_f(X2,X3) ),
    inference(cnf_transformation,[],[f9]) ).

cnf(c_49,negated_conjecture,
    ( ~ big_f(X0,sK2(X1,X0))
    | ~ big_f(X1,sK2(X1,X0))
    | ~ big_f(X1,X0) ),
    inference(cnf_transformation,[],[f16]) ).

cnf(c_50,negated_conjecture,
    ( ~ big_f(X0,X1)
    | big_f(X0,sK2(X0,X1))
    | big_f(X1,sK2(X0,X1)) ),
    inference(cnf_transformation,[],[f15]) ).

cnf(c_51,negated_conjecture,
    ( ~ big_f(X0,sK2(X0,X1))
    | ~ big_f(sK1,sK2(X0,X1))
    | big_f(sK2(X0,X1),sK2(X0,X1)) ),
    inference(cnf_transformation,[],[f14]) ).

cnf(c_52,negated_conjecture,
    ( big_f(sK2(X0,X1),sK2(X0,X1))
    | big_f(X0,sK2(X0,X1))
    | big_f(sK1,sK2(X0,X1)) ),
    inference(cnf_transformation,[],[f13]) ).

cnf(c_59,plain,
    ( big_f(sK2(sK1,sK1),sK2(sK1,sK1))
    | big_f(sK1,sK2(sK1,sK1)) ),
    inference(instantiation,[status(thm)],[c_52]) ).

cnf(c_60,plain,
    ( ~ big_f(sK1,sK2(sK1,sK1))
    | big_f(sK2(sK1,sK1),sK2(sK1,sK1)) ),
    inference(instantiation,[status(thm)],[c_51]) ).

cnf(c_100,plain,
    ( ~ big_f(sK2(X0,X1),sK2(sK2(X0,X1),sK2(X0,X1)))
    | ~ big_f(sK2(X0,X1),sK2(X0,X1)) ),
    inference(instantiation,[status(thm)],[c_49]) ).

cnf(c_101,plain,
    ( ~ big_f(sK2(sK1,sK1),sK2(sK2(sK1,sK1),sK2(sK1,sK1)))
    | ~ big_f(sK2(sK1,sK1),sK2(sK1,sK1)) ),
    inference(instantiation,[status(thm)],[c_100]) ).

cnf(c_103,plain,
    ( ~ big_f(sK2(X0,X1),sK2(X0,X1))
    | big_f(sK2(X0,X1),sK2(sK2(X0,X1),sK2(X0,X1))) ),
    inference(instantiation,[status(thm)],[c_50]) ).

cnf(c_104,plain,
    ( ~ big_f(sK2(sK1,sK1),sK2(sK1,sK1))
    | big_f(sK2(sK1,sK1),sK2(sK2(sK1,sK1),sK2(sK1,sK1))) ),
    inference(instantiation,[status(thm)],[c_103]) ).

cnf(c_115,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_104,c_101,c_60,c_59]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.09  % Problem  : SYN352+1 : TPTP v8.1.2. Released v2.0.0.
% 0.00/0.09  % Command  : run_iprover %s %d THM
% 0.09/0.29  % Computer : n032.cluster.edu
% 0.09/0.29  % Model    : x86_64 x86_64
% 0.09/0.29  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.29  % Memory   : 8042.1875MB
% 0.09/0.29  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.29  % CPULimit : 300
% 0.09/0.29  % WCLimit  : 300
% 0.09/0.29  % DateTime : Sat Aug 26 18:07:14 EDT 2023
% 0.09/0.29  % CPUTime  : 
% 0.14/0.38  Running first-order theorem proving
% 0.14/0.38  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 1.25/1.01  % SZS status Started for theBenchmark.p
% 1.25/1.01  % SZS status Theorem for theBenchmark.p
% 1.25/1.01  
% 1.25/1.01  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 1.25/1.01  
% 1.25/1.01  ------  iProver source info
% 1.25/1.01  
% 1.25/1.01  git: date: 2023-05-31 18:12:56 +0000
% 1.25/1.01  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 1.25/1.01  git: non_committed_changes: false
% 1.25/1.01  git: last_make_outside_of_git: false
% 1.25/1.01  
% 1.25/1.01  ------ Parsing...
% 1.25/1.01  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 1.25/1.01  
% 1.25/1.01  ------ Preprocessing... sf_s  rm: 0 0s  sf_e  pe_s  pe_e 
% 1.25/1.01  
% 1.25/1.01  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 1.25/1.01  ------ Proving...
% 1.25/1.01  ------ Problem Properties 
% 1.25/1.01  
% 1.25/1.01  
% 1.25/1.01  clauses                                 7
% 1.25/1.01  conjectures                             7
% 1.25/1.01  EPR                                     1
% 1.25/1.01  Horn                                    3
% 1.25/1.01  unary                                   1
% 1.25/1.01  binary                                  1
% 1.25/1.01  lits                                    18
% 1.25/1.01  lits eq                                 0
% 1.25/1.01  fd_pure                                 0
% 1.25/1.01  fd_pseudo                               0
% 1.25/1.01  fd_cond                                 0
% 1.25/1.01  fd_pseudo_cond                          0
% 1.25/1.01  AC symbols                              0
% 1.25/1.01  
% 1.25/1.01  ------ Schedule dynamic 5 is on 
% 1.25/1.01  
% 1.25/1.01  ------ no equalities: superposition off 
% 1.25/1.01  
% 1.25/1.01  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.25/1.01  
% 1.25/1.01  
% 1.25/1.01  ------ 
% 1.25/1.01  Current options:
% 1.25/1.01  ------ 
% 1.25/1.01  
% 1.25/1.01  
% 1.25/1.01  
% 1.25/1.01  
% 1.25/1.01  ------ Proving...
% 1.25/1.01  
% 1.25/1.01  
% 1.25/1.01  % SZS status Theorem for theBenchmark.p
% 1.25/1.01  
% 1.25/1.01  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.25/1.01  
% 1.25/1.01  
%------------------------------------------------------------------------------