TSTP Solution File: SYN084+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SYN084+1 : TPTP v8.1.2. Released v2.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n009.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 03:05:13 EDT 2023

% Result   : Theorem 1.50s 1.13s
% Output   : CNFRefutation 1.50s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   66 (   4 unt;   0 def)
%            Number of atoms       :  276 (   0 equ)
%            Maximal formula atoms :   10 (   4 avg)
%            Number of connectives :  341 ( 131   ~; 146   |;  51   &)
%                                         (   4 <=>;   6  =>;   0  <=;   3 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    3 (   2 avg)
%            Number of predicates  :    4 (   3 usr;   2 prp; 0-1 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-1 aty)
%            Number of variables   :   50 (   4 sgn;  28   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,conjecture,
    ( ! [X0] :
        ( ( ( big_p(X0)
           => big_p(f(X0)) )
          & big_p(a) )
       => big_p(f(f(X0))) )
  <=> ! [X1] :
        ( ( big_p(f(f(X1)))
          | ~ big_p(f(X1))
          | ~ big_p(a) )
        & ( big_p(f(f(X1)))
          | big_p(X1)
          | ~ big_p(a) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',pel62) ).

fof(f2,negated_conjecture,
    ~ ( ! [X0] :
          ( ( ( big_p(X0)
             => big_p(f(X0)) )
            & big_p(a) )
         => big_p(f(f(X0))) )
    <=> ! [X1] :
          ( ( big_p(f(f(X1)))
            | ~ big_p(f(X1))
            | ~ big_p(a) )
          & ( big_p(f(f(X1)))
            | big_p(X1)
            | ~ big_p(a) ) ) ),
    inference(negated_conjecture,[],[f1]) ).

fof(f3,plain,
    ( ! [X0] :
        ( big_p(f(f(X0)))
        | ( ~ big_p(f(X0))
          & big_p(X0) )
        | ~ big_p(a) )
  <~> ! [X1] :
        ( ( big_p(f(f(X1)))
          | ~ big_p(f(X1))
          | ~ big_p(a) )
        & ( big_p(f(f(X1)))
          | big_p(X1)
          | ~ big_p(a) ) ) ),
    inference(ennf_transformation,[],[f2]) ).

fof(f4,plain,
    ( ! [X0] :
        ( big_p(f(f(X0)))
        | ( ~ big_p(f(X0))
          & big_p(X0) )
        | ~ big_p(a) )
  <~> ! [X1] :
        ( ( big_p(f(f(X1)))
          | ~ big_p(f(X1))
          | ~ big_p(a) )
        & ( big_p(f(f(X1)))
          | big_p(X1)
          | ~ big_p(a) ) ) ),
    inference(flattening,[],[f3]) ).

fof(f5,plain,
    ! [X1] :
      ( sP0(X1)
    <=> ( big_p(f(f(X1)))
        | big_p(X1)
        | ~ big_p(a) ) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[sP0])]) ).

fof(f6,plain,
    ( sP1
  <=> ! [X0] :
        ( big_p(f(f(X0)))
        | ( ~ big_p(f(X0))
          & big_p(X0) )
        | ~ big_p(a) ) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[sP1])]) ).

fof(f7,plain,
    ( sP1
  <~> ! [X1] :
        ( ( big_p(f(f(X1)))
          | ~ big_p(f(X1))
          | ~ big_p(a) )
        & sP0(X1) ) ),
    inference(definition_folding,[],[f4,f6,f5]) ).

fof(f8,plain,
    ( ( sP1
      | ? [X0] :
          ( ~ big_p(f(f(X0)))
          & ( big_p(f(X0))
            | ~ big_p(X0) )
          & big_p(a) ) )
    & ( ! [X0] :
          ( big_p(f(f(X0)))
          | ( ~ big_p(f(X0))
            & big_p(X0) )
          | ~ big_p(a) )
      | ~ sP1 ) ),
    inference(nnf_transformation,[],[f6]) ).

fof(f9,plain,
    ( ( sP1
      | ? [X0] :
          ( ~ big_p(f(f(X0)))
          & ( big_p(f(X0))
            | ~ big_p(X0) )
          & big_p(a) ) )
    & ( ! [X1] :
          ( big_p(f(f(X1)))
          | ( ~ big_p(f(X1))
            & big_p(X1) )
          | ~ big_p(a) )
      | ~ sP1 ) ),
    inference(rectify,[],[f8]) ).

fof(f10,plain,
    ( ? [X0] :
        ( ~ big_p(f(f(X0)))
        & ( big_p(f(X0))
          | ~ big_p(X0) )
        & big_p(a) )
   => ( ~ big_p(f(f(sK2)))
      & ( big_p(f(sK2))
        | ~ big_p(sK2) )
      & big_p(a) ) ),
    introduced(choice_axiom,[]) ).

fof(f11,plain,
    ( ( sP1
      | ( ~ big_p(f(f(sK2)))
        & ( big_p(f(sK2))
          | ~ big_p(sK2) )
        & big_p(a) ) )
    & ( ! [X1] :
          ( big_p(f(f(X1)))
          | ( ~ big_p(f(X1))
            & big_p(X1) )
          | ~ big_p(a) )
      | ~ sP1 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2])],[f9,f10]) ).

fof(f12,plain,
    ! [X1] :
      ( ( sP0(X1)
        | ( ~ big_p(f(f(X1)))
          & ~ big_p(X1)
          & big_p(a) ) )
      & ( big_p(f(f(X1)))
        | big_p(X1)
        | ~ big_p(a)
        | ~ sP0(X1) ) ),
    inference(nnf_transformation,[],[f5]) ).

fof(f13,plain,
    ! [X1] :
      ( ( sP0(X1)
        | ( ~ big_p(f(f(X1)))
          & ~ big_p(X1)
          & big_p(a) ) )
      & ( big_p(f(f(X1)))
        | big_p(X1)
        | ~ big_p(a)
        | ~ sP0(X1) ) ),
    inference(flattening,[],[f12]) ).

fof(f14,plain,
    ! [X0] :
      ( ( sP0(X0)
        | ( ~ big_p(f(f(X0)))
          & ~ big_p(X0)
          & big_p(a) ) )
      & ( big_p(f(f(X0)))
        | big_p(X0)
        | ~ big_p(a)
        | ~ sP0(X0) ) ),
    inference(rectify,[],[f13]) ).

fof(f15,plain,
    ( ( ? [X1] :
          ( ( ~ big_p(f(f(X1)))
            & big_p(f(X1))
            & big_p(a) )
          | ~ sP0(X1) )
      | ~ sP1 )
    & ( ! [X1] :
          ( ( big_p(f(f(X1)))
            | ~ big_p(f(X1))
            | ~ big_p(a) )
          & sP0(X1) )
      | sP1 ) ),
    inference(nnf_transformation,[],[f7]) ).

fof(f16,plain,
    ( ( ? [X0] :
          ( ( ~ big_p(f(f(X0)))
            & big_p(f(X0))
            & big_p(a) )
          | ~ sP0(X0) )
      | ~ sP1 )
    & ( ! [X1] :
          ( ( big_p(f(f(X1)))
            | ~ big_p(f(X1))
            | ~ big_p(a) )
          & sP0(X1) )
      | sP1 ) ),
    inference(rectify,[],[f15]) ).

fof(f17,plain,
    ( ? [X0] :
        ( ( ~ big_p(f(f(X0)))
          & big_p(f(X0))
          & big_p(a) )
        | ~ sP0(X0) )
   => ( ( ~ big_p(f(f(sK3)))
        & big_p(f(sK3))
        & big_p(a) )
      | ~ sP0(sK3) ) ),
    introduced(choice_axiom,[]) ).

fof(f18,plain,
    ( ( ( ~ big_p(f(f(sK3)))
        & big_p(f(sK3))
        & big_p(a) )
      | ~ sP0(sK3)
      | ~ sP1 )
    & ( ! [X1] :
          ( ( big_p(f(f(X1)))
            | ~ big_p(f(X1))
            | ~ big_p(a) )
          & sP0(X1) )
      | sP1 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3])],[f16,f17]) ).

fof(f19,plain,
    ! [X1] :
      ( big_p(f(f(X1)))
      | big_p(X1)
      | ~ big_p(a)
      | ~ sP1 ),
    inference(cnf_transformation,[],[f11]) ).

fof(f20,plain,
    ! [X1] :
      ( big_p(f(f(X1)))
      | ~ big_p(f(X1))
      | ~ big_p(a)
      | ~ sP1 ),
    inference(cnf_transformation,[],[f11]) ).

fof(f21,plain,
    ( sP1
    | big_p(a) ),
    inference(cnf_transformation,[],[f11]) ).

fof(f22,plain,
    ( sP1
    | big_p(f(sK2))
    | ~ big_p(sK2) ),
    inference(cnf_transformation,[],[f11]) ).

fof(f23,plain,
    ( sP1
    | ~ big_p(f(f(sK2))) ),
    inference(cnf_transformation,[],[f11]) ).

fof(f24,plain,
    ! [X0] :
      ( big_p(f(f(X0)))
      | big_p(X0)
      | ~ big_p(a)
      | ~ sP0(X0) ),
    inference(cnf_transformation,[],[f14]) ).

fof(f25,plain,
    ! [X0] :
      ( sP0(X0)
      | big_p(a) ),
    inference(cnf_transformation,[],[f14]) ).

fof(f26,plain,
    ! [X0] :
      ( sP0(X0)
      | ~ big_p(X0) ),
    inference(cnf_transformation,[],[f14]) ).

fof(f27,plain,
    ! [X0] :
      ( sP0(X0)
      | ~ big_p(f(f(X0))) ),
    inference(cnf_transformation,[],[f14]) ).

fof(f28,plain,
    ! [X1] :
      ( sP0(X1)
      | sP1 ),
    inference(cnf_transformation,[],[f18]) ).

fof(f29,plain,
    ! [X1] :
      ( big_p(f(f(X1)))
      | ~ big_p(f(X1))
      | ~ big_p(a)
      | sP1 ),
    inference(cnf_transformation,[],[f18]) ).

fof(f30,plain,
    ( big_p(a)
    | ~ sP0(sK3)
    | ~ sP1 ),
    inference(cnf_transformation,[],[f18]) ).

fof(f31,plain,
    ( big_p(f(sK3))
    | ~ sP0(sK3)
    | ~ sP1 ),
    inference(cnf_transformation,[],[f18]) ).

fof(f32,plain,
    ( ~ big_p(f(f(sK3)))
    | ~ sP0(sK3)
    | ~ sP1 ),
    inference(cnf_transformation,[],[f18]) ).

cnf(c_49,plain,
    ( ~ big_p(f(f(sK2)))
    | sP1 ),
    inference(cnf_transformation,[],[f23]) ).

cnf(c_50,plain,
    ( ~ big_p(sK2)
    | big_p(f(sK2))
    | sP1 ),
    inference(cnf_transformation,[],[f22]) ).

cnf(c_51,plain,
    ( big_p(a)
    | sP1 ),
    inference(cnf_transformation,[],[f21]) ).

cnf(c_52,plain,
    ( ~ big_p(f(X0))
    | ~ big_p(a)
    | ~ sP1
    | big_p(f(f(X0))) ),
    inference(cnf_transformation,[],[f20]) ).

cnf(c_53,plain,
    ( ~ big_p(a)
    | ~ sP1
    | big_p(f(f(X0)))
    | big_p(X0) ),
    inference(cnf_transformation,[],[f19]) ).

cnf(c_54,plain,
    ( ~ big_p(f(f(X0)))
    | sP0(X0) ),
    inference(cnf_transformation,[],[f27]) ).

cnf(c_55,plain,
    ( ~ big_p(X0)
    | sP0(X0) ),
    inference(cnf_transformation,[],[f26]) ).

cnf(c_56,plain,
    ( sP0(X0)
    | big_p(a) ),
    inference(cnf_transformation,[],[f25]) ).

cnf(c_57,plain,
    ( ~ sP0(X0)
    | ~ big_p(a)
    | big_p(f(f(X0)))
    | big_p(X0) ),
    inference(cnf_transformation,[],[f24]) ).

cnf(c_58,negated_conjecture,
    ( ~ big_p(f(f(sK3)))
    | ~ sP0(sK3)
    | ~ sP1 ),
    inference(cnf_transformation,[],[f32]) ).

cnf(c_59,negated_conjecture,
    ( ~ sP0(sK3)
    | ~ sP1
    | big_p(f(sK3)) ),
    inference(cnf_transformation,[],[f31]) ).

cnf(c_60,negated_conjecture,
    ( ~ sP0(sK3)
    | ~ sP1
    | big_p(a) ),
    inference(cnf_transformation,[],[f30]) ).

cnf(c_61,negated_conjecture,
    ( ~ big_p(f(X0))
    | ~ big_p(a)
    | big_p(f(f(X0)))
    | sP1 ),
    inference(cnf_transformation,[],[f29]) ).

cnf(c_62,negated_conjecture,
    ( sP0(X0)
    | sP1 ),
    inference(cnf_transformation,[],[f28]) ).

cnf(c_69,negated_conjecture,
    sP0(X0),
    inference(global_subsumption_just,[status(thm)],[c_62,c_62,c_56,c_55,c_54,c_53]) ).

cnf(c_76,negated_conjecture,
    ( ~ sP0(sK3)
    | big_p(a) ),
    inference(global_subsumption_just,[status(thm)],[c_60,c_51,c_60]) ).

cnf(c_78,plain,
    sP0(X0),
    inference(global_subsumption_just,[status(thm)],[c_54,c_69]) ).

cnf(c_82,negated_conjecture,
    ( ~ big_p(f(X0))
    | big_p(f(f(X0)))
    | sP1 ),
    inference(global_subsumption_just,[status(thm)],[c_61,c_51,c_61]) ).

cnf(c_85,plain,
    ( ~ big_p(a)
    | big_p(f(f(X0)))
    | big_p(X0) ),
    inference(global_subsumption_just,[status(thm)],[c_57,c_62,c_56,c_55,c_54,c_53,c_57]) ).

cnf(c_87,plain,
    ( ~ big_p(a)
    | ~ big_p(f(X0))
    | big_p(f(f(X0))) ),
    inference(global_subsumption_just,[status(thm)],[c_52,c_52,c_82]) ).

cnf(c_88,plain,
    ( ~ big_p(f(X0))
    | ~ big_p(a)
    | big_p(f(f(X0))) ),
    inference(renaming,[status(thm)],[c_87]) ).

cnf(c_92,plain,
    big_p(a),
    inference(backward_subsumption_resolution,[status(thm)],[c_76,c_78]) ).

cnf(c_93,plain,
    ( ~ sP1
    | big_p(f(sK3)) ),
    inference(backward_subsumption_resolution,[status(thm)],[c_59,c_78]) ).

cnf(c_94,plain,
    ( ~ big_p(f(f(sK3)))
    | ~ sP1 ),
    inference(backward_subsumption_resolution,[status(thm)],[c_58,c_78]) ).

cnf(c_97,plain,
    ( big_p(f(f(X0)))
    | big_p(X0) ),
    inference(backward_subsumption_resolution,[status(thm)],[c_85,c_92]) ).

cnf(c_98,plain,
    ( ~ big_p(f(X0))
    | big_p(f(f(X0))) ),
    inference(backward_subsumption_resolution,[status(thm)],[c_88,c_92]) ).

cnf(c_126,plain,
    ( ~ big_p(f(f(sK3)))
    | ~ big_p(sK2)
    | big_p(f(sK2)) ),
    inference(resolution,[status(thm)],[c_50,c_94]) ).

cnf(c_136,plain,
    ( ~ big_p(sK2)
    | big_p(f(sK2))
    | big_p(f(sK3)) ),
    inference(resolution,[status(thm)],[c_50,c_93]) ).

cnf(c_146,plain,
    ( ~ big_p(f(f(sK2)))
    | ~ big_p(f(f(sK3))) ),
    inference(resolution,[status(thm)],[c_49,c_94]) ).

cnf(c_153,plain,
    ( ~ big_p(f(f(sK2)))
    | big_p(f(sK3)) ),
    inference(resolution,[status(thm)],[c_49,c_93]) ).

cnf(c_243,plain,
    ( ~ big_p(f(sK3))
    | big_p(f(f(sK3))) ),
    inference(instantiation,[status(thm)],[c_98]) ).

cnf(c_246,plain,
    ( big_p(f(f(sK2)))
    | big_p(sK2) ),
    inference(instantiation,[status(thm)],[c_97]) ).

cnf(c_247,plain,
    ( ~ big_p(f(sK2))
    | big_p(f(f(sK2))) ),
    inference(instantiation,[status(thm)],[c_98]) ).

cnf(c_252,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_247,c_246,c_243,c_153,c_146,c_136,c_126]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : SYN084+1 : TPTP v8.1.2. Released v2.0.0.
% 0.11/0.12  % Command  : run_iprover %s %d THM
% 0.12/0.33  % Computer : n009.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 17:03:50 EDT 2023
% 0.12/0.33  % CPUTime  : 
% 0.18/0.45  Running first-order theorem proving
% 0.18/0.45  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 1.50/1.13  % SZS status Started for theBenchmark.p
% 1.50/1.13  % SZS status Theorem for theBenchmark.p
% 1.50/1.13  
% 1.50/1.13  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 1.50/1.13  
% 1.50/1.13  ------  iProver source info
% 1.50/1.13  
% 1.50/1.13  git: date: 2023-05-31 18:12:56 +0000
% 1.50/1.13  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 1.50/1.13  git: non_committed_changes: false
% 1.50/1.13  git: last_make_outside_of_git: false
% 1.50/1.13  
% 1.50/1.13  ------ Parsing...
% 1.50/1.13  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 1.50/1.13  
% 1.50/1.13  ------ Preprocessing... sf_s  rm: 2 0s  sf_e  pe_s  pe_e  sf_s  rm: 0 0s  sf_e  pe_s  pe_e 
% 1.50/1.13  
% 1.50/1.13  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 1.50/1.13  ------ Proving...
% 1.50/1.13  ------ Problem Properties 
% 1.50/1.13  
% 1.50/1.13  
% 1.50/1.13  clauses                                 6
% 1.50/1.13  conjectures                             0
% 1.50/1.13  EPR                                     0
% 1.50/1.13  Horn                                    4
% 1.50/1.13  unary                                   0
% 1.50/1.13  binary                                  5
% 1.50/1.13  lits                                    13
% 1.50/1.13  lits eq                                 0
% 1.50/1.13  fd_pure                                 0
% 1.50/1.13  fd_pseudo                               0
% 1.50/1.13  fd_cond                                 0
% 1.50/1.13  fd_pseudo_cond                          0
% 1.50/1.13  AC symbols                              0
% 1.50/1.13  
% 1.50/1.13  ------ Schedule dynamic 5 is on 
% 1.50/1.13  
% 1.50/1.13  ------ no conjectures: strip conj schedule 
% 1.50/1.13  
% 1.50/1.13  ------ no equalities: superposition off 
% 1.50/1.13  
% 1.50/1.13  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" stripped conjectures Time Limit: 10.
% 1.50/1.13  
% 1.50/1.13  
% 1.50/1.13  ------ 
% 1.50/1.13  Current options:
% 1.50/1.13  ------ 
% 1.50/1.13  
% 1.50/1.13  
% 1.50/1.13  
% 1.50/1.13  
% 1.50/1.13  ------ Proving...
% 1.50/1.13  
% 1.50/1.13  
% 1.50/1.13  % SZS status Theorem for theBenchmark.p
% 1.50/1.13  
% 1.50/1.13  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.50/1.13  
% 1.50/1.14  
%------------------------------------------------------------------------------