TSTP Solution File: SYN347+1 by iProver---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.9
% Problem  : SYN347+1 : TPTP v8.1.2. Released v2.0.0.
% 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 03:30:13 EDT 2024

% Result   : Theorem 2.01s 1.16s
% Output   : CNFRefutation 2.01s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   36 (   2 unt;   0 def)
%            Number of atoms       :  175 (   0 equ)
%            Maximal formula atoms :   28 (   4 avg)
%            Number of connectives :  220 (  81   ~;  92   |;  36   &)
%                                         (   7 <=>;   2  =>;   0  <=;   2 <~>)
%            Maximal formula depth :   14 (   5 avg)
%            Maximal term depth    :    2 (   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   :   75 (   0 sgn  32   !;  18   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,conjecture,
    ! [X0,X1] :
    ? [X2,X3] :
    ! [X4] :
      ( ( big_f(X0,X4)
      <=> big_f(X1,X4) )
      | ( ( big_f(X2,X4)
        <=> big_f(X3,X4) )
      <=> big_f(X0,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',church_46_17_3) ).

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

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

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

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

fof(f6,plain,
    ( ? [X0,X1] :
      ! [X2,X3] :
      ? [X4] :
        ( ( ~ big_f(X1,X4)
          | ~ big_f(X0,X4) )
        & ( big_f(X1,X4)
          | big_f(X0,X4) )
        & ( ~ big_f(X0,X1)
          | ( ( ~ big_f(X3,X4)
              | ~ big_f(X2,X4) )
            & ( big_f(X3,X4)
              | big_f(X2,X4) ) ) )
        & ( big_f(X0,X1)
          | ( ( big_f(X2,X4)
              | ~ big_f(X3,X4) )
            & ( big_f(X3,X4)
              | ~ big_f(X2,X4) ) ) ) )
   => ! [X3,X2] :
      ? [X4] :
        ( ( ~ big_f(sK1,X4)
          | ~ big_f(sK0,X4) )
        & ( big_f(sK1,X4)
          | big_f(sK0,X4) )
        & ( ~ big_f(sK0,sK1)
          | ( ( ~ big_f(X3,X4)
              | ~ big_f(X2,X4) )
            & ( big_f(X3,X4)
              | big_f(X2,X4) ) ) )
        & ( big_f(sK0,sK1)
          | ( ( big_f(X2,X4)
              | ~ big_f(X3,X4) )
            & ( big_f(X3,X4)
              | ~ big_f(X2,X4) ) ) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f7,plain,
    ! [X2,X3] :
      ( ? [X4] :
          ( ( ~ big_f(sK1,X4)
            | ~ big_f(sK0,X4) )
          & ( big_f(sK1,X4)
            | big_f(sK0,X4) )
          & ( ~ big_f(sK0,sK1)
            | ( ( ~ big_f(X3,X4)
                | ~ big_f(X2,X4) )
              & ( big_f(X3,X4)
                | big_f(X2,X4) ) ) )
          & ( big_f(sK0,sK1)
            | ( ( big_f(X2,X4)
                | ~ big_f(X3,X4) )
              & ( big_f(X3,X4)
                | ~ big_f(X2,X4) ) ) ) )
     => ( ( ~ big_f(sK1,sK2(X2,X3))
          | ~ big_f(sK0,sK2(X2,X3)) )
        & ( big_f(sK1,sK2(X2,X3))
          | big_f(sK0,sK2(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(sK0,sK1)
          | ( ( big_f(X2,sK2(X2,X3))
              | ~ big_f(X3,sK2(X2,X3)) )
            & ( big_f(X3,sK2(X2,X3))
              | ~ big_f(X2,sK2(X2,X3)) ) ) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f8,plain,
    ! [X2,X3] :
      ( ( ~ big_f(sK1,sK2(X2,X3))
        | ~ big_f(sK0,sK2(X2,X3)) )
      & ( big_f(sK1,sK2(X2,X3))
        | big_f(sK0,sK2(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(sK0,sK1)
        | ( ( big_f(X2,sK2(X2,X3))
            | ~ big_f(X3,sK2(X2,X3)) )
          & ( big_f(X3,sK2(X2,X3))
            | ~ big_f(X2,sK2(X2,X3)) ) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2])],[f5,f7,f6]) ).

fof(f9,plain,
    ! [X2,X3] :
      ( big_f(sK0,sK1)
      | big_f(X3,sK2(X2,X3))
      | ~ big_f(X2,sK2(X2,X3)) ),
    inference(cnf_transformation,[],[f8]) ).

fof(f10,plain,
    ! [X2,X3] :
      ( big_f(sK0,sK1)
      | big_f(X2,sK2(X2,X3))
      | ~ big_f(X3,sK2(X2,X3)) ),
    inference(cnf_transformation,[],[f8]) ).

fof(f11,plain,
    ! [X2,X3] :
      ( ~ big_f(sK0,sK1)
      | big_f(X3,sK2(X2,X3))
      | big_f(X2,sK2(X2,X3)) ),
    inference(cnf_transformation,[],[f8]) ).

fof(f12,plain,
    ! [X2,X3] :
      ( ~ big_f(sK0,sK1)
      | ~ big_f(X3,sK2(X2,X3))
      | ~ big_f(X2,sK2(X2,X3)) ),
    inference(cnf_transformation,[],[f8]) ).

fof(f13,plain,
    ! [X2,X3] :
      ( big_f(sK1,sK2(X2,X3))
      | big_f(sK0,sK2(X2,X3)) ),
    inference(cnf_transformation,[],[f8]) ).

fof(f14,plain,
    ! [X2,X3] :
      ( ~ big_f(sK1,sK2(X2,X3))
      | ~ big_f(sK0,sK2(X2,X3)) ),
    inference(cnf_transformation,[],[f8]) ).

cnf(c_49,negated_conjecture,
    ( ~ big_f(sK1,sK2(X0,X1))
    | ~ big_f(sK0,sK2(X0,X1)) ),
    inference(cnf_transformation,[],[f14]) ).

cnf(c_50,negated_conjecture,
    ( big_f(sK1,sK2(X0,X1))
    | big_f(sK0,sK2(X0,X1)) ),
    inference(cnf_transformation,[],[f13]) ).

cnf(c_51,negated_conjecture,
    ( ~ big_f(X0,sK2(X0,X1))
    | ~ big_f(X1,sK2(X0,X1))
    | ~ big_f(sK0,sK1) ),
    inference(cnf_transformation,[],[f12]) ).

cnf(c_52,negated_conjecture,
    ( ~ big_f(sK0,sK1)
    | big_f(X0,sK2(X0,X1))
    | big_f(X1,sK2(X0,X1)) ),
    inference(cnf_transformation,[],[f11]) ).

cnf(c_53,negated_conjecture,
    ( ~ big_f(X0,sK2(X1,X0))
    | big_f(X1,sK2(X1,X0))
    | big_f(sK0,sK1) ),
    inference(cnf_transformation,[],[f10]) ).

cnf(c_54,negated_conjecture,
    ( ~ big_f(X0,sK2(X0,X1))
    | big_f(X1,sK2(X0,X1))
    | big_f(sK0,sK1) ),
    inference(cnf_transformation,[],[f9]) ).

cnf(c_57,plain,
    ( ~ big_f(sK0,sK1)
    | big_f(sK0,sK2(sK0,sK0)) ),
    inference(instantiation,[status(thm)],[c_52]) ).

cnf(c_58,plain,
    ( ~ big_f(sK0,sK2(sK0,sK0))
    | ~ big_f(sK0,sK1) ),
    inference(instantiation,[status(thm)],[c_51]) ).

cnf(c_63,negated_conjecture,
    ~ big_f(sK0,sK1),
    inference(global_subsumption_just,[status(thm)],[c_52,c_57,c_58]) ).

cnf(c_112,plain,
    ( big_f(X1,sK2(X0,X1))
    | ~ big_f(X0,sK2(X0,X1)) ),
    inference(prop_impl_just,[status(thm)],[c_54,c_57,c_58]) ).

cnf(c_113,plain,
    ( ~ big_f(X0,sK2(X0,X1))
    | big_f(X1,sK2(X0,X1)) ),
    inference(renaming,[status(thm)],[c_112]) ).

cnf(c_116,plain,
    ( ~ big_f(X0,sK2(X1,X0))
    | big_f(X1,sK2(X1,X0)) ),
    inference(prop_impl_just,[status(thm)],[c_53,c_63]) ).

cnf(c_146,negated_conjecture,
    ( big_f(sK1,sK2(X0,X1))
    | big_f(sK0,sK2(X0,X1)) ),
    inference(demodulation,[status(thm)],[c_50]) ).

cnf(c_147,negated_conjecture,
    ( ~ big_f(sK1,sK2(X0,X1))
    | ~ big_f(sK0,sK2(X0,X1)) ),
    inference(demodulation,[status(thm)],[c_49]) ).

cnf(c_148,plain,
    ( ~ big_f(sK1,sK2(sK1,X0))
    | big_f(X0,sK2(sK1,X0)) ),
    inference(instantiation,[status(thm)],[c_113]) ).

cnf(c_149,plain,
    ( big_f(sK1,sK2(sK1,X0))
    | big_f(sK0,sK2(sK1,X0)) ),
    inference(instantiation,[status(thm)],[c_146]) ).

cnf(c_150,plain,
    ( ~ big_f(sK1,sK2(sK1,sK0))
    | big_f(sK0,sK2(sK1,sK0)) ),
    inference(instantiation,[status(thm)],[c_148]) ).

cnf(c_151,plain,
    ( big_f(sK1,sK2(sK1,sK0))
    | big_f(sK0,sK2(sK1,sK0)) ),
    inference(instantiation,[status(thm)],[c_149]) ).

cnf(c_163,plain,
    ( ~ big_f(sK1,sK2(sK1,sK0))
    | ~ big_f(sK0,sK2(sK1,sK0)) ),
    inference(instantiation,[status(thm)],[c_147]) ).

cnf(c_165,plain,
    ( ~ big_f(X0,sK2(sK1,X0))
    | big_f(sK1,sK2(sK1,X0)) ),
    inference(instantiation,[status(thm)],[c_116]) ).

cnf(c_166,plain,
    ( ~ big_f(sK0,sK2(sK1,sK0))
    | big_f(sK1,sK2(sK1,sK0)) ),
    inference(instantiation,[status(thm)],[c_165]) ).

cnf(c_167,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_166,c_163,c_151,c_150]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem  : SYN347+1 : TPTP v8.1.2. Released v2.0.0.
% 0.03/0.13  % Command  : run_iprover %s %d THM
% 0.14/0.35  % Computer : n010.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Thu May  2 20:39:04 EDT 2024
% 0.14/0.35  % CPUTime  : 
% 0.20/0.48  Running first-order theorem proving
% 0.20/0.48  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
% 2.01/1.16  % SZS status Started for theBenchmark.p
% 2.01/1.16  % SZS status Theorem for theBenchmark.p
% 2.01/1.16  
% 2.01/1.16  %---------------- iProver v3.9 (pre CASC 2024/SMT-COMP 2024) ----------------%
% 2.01/1.16  
% 2.01/1.16  ------  iProver source info
% 2.01/1.16  
% 2.01/1.16  git: date: 2024-05-02 19:28:25 +0000
% 2.01/1.16  git: sha1: a33b5eb135c74074ba803943bb12f2ebd971352f
% 2.01/1.16  git: non_committed_changes: false
% 2.01/1.16  
% 2.01/1.16  ------ Parsing...
% 2.01/1.16  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 2.01/1.16  
% 2.01/1.16  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  pe_s  pe_e  sf_s  rm: 0 0s  sf_e  pe_s  pe_e 
% 2.01/1.16  
% 2.01/1.16  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 2.01/1.16  ------ Proving...
% 2.01/1.16  ------ Problem Properties 
% 2.01/1.16  
% 2.01/1.16  
% 2.01/1.16  clauses                                 4
% 2.01/1.16  conjectures                             2
% 2.01/1.16  EPR                                     0
% 2.01/1.16  Horn                                    3
% 2.01/1.16  unary                                   0
% 2.01/1.16  binary                                  4
% 2.01/1.16  lits                                    8
% 2.01/1.16  lits eq                                 0
% 2.01/1.16  fd_pure                                 0
% 2.01/1.16  fd_pseudo                               0
% 2.01/1.16  fd_cond                                 0
% 2.01/1.16  fd_pseudo_cond                          0
% 2.01/1.16  AC symbols                              0
% 2.01/1.16  
% 2.01/1.16  ------ Schedule dynamic 5 is on 
% 2.01/1.16  
% 2.01/1.16  ------ no equalities: superposition off 
% 2.01/1.16  
% 2.01/1.16  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 2.01/1.16  
% 2.01/1.16  
% 2.01/1.16  ------ 
% 2.01/1.16  Current options:
% 2.01/1.16  ------ 
% 2.01/1.16  
% 2.01/1.16  
% 2.01/1.16  
% 2.01/1.16  
% 2.01/1.16  ------ Proving...
% 2.01/1.16  
% 2.01/1.16  
% 2.01/1.16  % SZS status Theorem for theBenchmark.p
% 2.01/1.16  
% 2.01/1.16  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.01/1.16  
% 2.01/1.16  
%------------------------------------------------------------------------------