TSTP Solution File: SYN386+1 by iProver---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.9
% Problem  : SYN386+1 : TPTP v8.1.2. Released v2.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n024.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 03:30:25 EDT 2024

% Result   : Theorem 0.42s 1.11s
% Output   : CNFRefutation 0.42s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   41 (  18 unt;   0 def)
%            Number of atoms       :  154 (   0 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :  179 (  66   ~;  49   |;  39   &)
%                                         (   0 <=>;  25  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   5 avg)
%            Maximal term depth    :    6 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :    7 (   7 usr;   1 con; 0-2 aty)
%            Number of variables   :  204 (   5 sgn 111   !;  54   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,conjecture,
    ( ( ! [X2] :
        ? [X5] :
        ! [X6,X7] :
          ( big_d(X6,X7,X5)
         => ! [X1,X8] :
              ( ( big_f(X7,X8)
                & big_f(X6,X1) )
             => big_d(X1,X8,X2) ) )
      & ? [X0] :
        ! [X2] :
        ? [X3] :
        ! [X4] :
          ( big_s(X3,X4)
         => big_d(X4,X0,X2) )
      & ! [X0] :
        ? [X1] : big_f(X0,X1) )
   => ? [X1] :
      ! [X2] :
      ? [X9] :
      ! [X4] :
        ( big_s(X9,X4)
       => ! [X8] :
            ( big_f(X4,X8)
           => big_d(X8,X1,X2) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',x2138) ).

fof(f2,negated_conjecture,
    ~ ( ( ! [X2] :
          ? [X5] :
          ! [X6,X7] :
            ( big_d(X6,X7,X5)
           => ! [X1,X8] :
                ( ( big_f(X7,X8)
                  & big_f(X6,X1) )
               => big_d(X1,X8,X2) ) )
        & ? [X0] :
          ! [X2] :
          ? [X3] :
          ! [X4] :
            ( big_s(X3,X4)
           => big_d(X4,X0,X2) )
        & ! [X0] :
          ? [X1] : big_f(X0,X1) )
     => ? [X1] :
        ! [X2] :
        ? [X9] :
        ! [X4] :
          ( big_s(X9,X4)
         => ! [X8] :
              ( big_f(X4,X8)
             => big_d(X8,X1,X2) ) ) ),
    inference(negated_conjecture,[],[f1]) ).

fof(f3,plain,
    ~ ( ( ! [X0] :
          ? [X1] :
          ! [X2,X3] :
            ( big_d(X2,X3,X1)
           => ! [X4,X5] :
                ( ( big_f(X3,X5)
                  & big_f(X2,X4) )
               => big_d(X4,X5,X0) ) )
        & ? [X6] :
          ! [X7] :
          ? [X8] :
          ! [X9] :
            ( big_s(X8,X9)
           => big_d(X9,X6,X7) )
        & ! [X10] :
          ? [X11] : big_f(X10,X11) )
     => ? [X12] :
        ! [X13] :
        ? [X14] :
        ! [X15] :
          ( big_s(X14,X15)
         => ! [X16] :
              ( big_f(X15,X16)
             => big_d(X16,X12,X13) ) ) ),
    inference(rectify,[],[f2]) ).

fof(f4,plain,
    ( ! [X12] :
      ? [X13] :
      ! [X14] :
      ? [X15] :
        ( ? [X16] :
            ( ~ big_d(X16,X12,X13)
            & big_f(X15,X16) )
        & big_s(X14,X15) )
    & ! [X0] :
      ? [X1] :
      ! [X2,X3] :
        ( ! [X4,X5] :
            ( big_d(X4,X5,X0)
            | ~ big_f(X3,X5)
            | ~ big_f(X2,X4) )
        | ~ big_d(X2,X3,X1) )
    & ? [X6] :
      ! [X7] :
      ? [X8] :
      ! [X9] :
        ( big_d(X9,X6,X7)
        | ~ big_s(X8,X9) )
    & ! [X10] :
      ? [X11] : big_f(X10,X11) ),
    inference(ennf_transformation,[],[f3]) ).

fof(f5,plain,
    ( ! [X12] :
      ? [X13] :
      ! [X14] :
      ? [X15] :
        ( ? [X16] :
            ( ~ big_d(X16,X12,X13)
            & big_f(X15,X16) )
        & big_s(X14,X15) )
    & ! [X0] :
      ? [X1] :
      ! [X2,X3] :
        ( ! [X4,X5] :
            ( big_d(X4,X5,X0)
            | ~ big_f(X3,X5)
            | ~ big_f(X2,X4) )
        | ~ big_d(X2,X3,X1) )
    & ? [X6] :
      ! [X7] :
      ? [X8] :
      ! [X9] :
        ( big_d(X9,X6,X7)
        | ~ big_s(X8,X9) )
    & ! [X10] :
      ? [X11] : big_f(X10,X11) ),
    inference(flattening,[],[f4]) ).

fof(f6,plain,
    ( ! [X0] :
      ? [X1] :
      ! [X2] :
      ? [X3] :
        ( ? [X4] :
            ( ~ big_d(X4,X0,X1)
            & big_f(X3,X4) )
        & big_s(X2,X3) )
    & ! [X5] :
      ? [X6] :
      ! [X7,X8] :
        ( ! [X9,X10] :
            ( big_d(X9,X10,X5)
            | ~ big_f(X8,X10)
            | ~ big_f(X7,X9) )
        | ~ big_d(X7,X8,X6) )
    & ? [X11] :
      ! [X12] :
      ? [X13] :
      ! [X14] :
        ( big_d(X14,X11,X12)
        | ~ big_s(X13,X14) )
    & ! [X15] :
      ? [X16] : big_f(X15,X16) ),
    inference(rectify,[],[f5]) ).

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

fof(f8,plain,
    ! [X0,X2] :
      ( ? [X3] :
          ( ? [X4] :
              ( ~ big_d(X4,X0,sK0(X0))
              & big_f(X3,X4) )
          & big_s(X2,X3) )
     => ( ? [X4] :
            ( ~ big_d(X4,X0,sK0(X0))
            & big_f(sK1(X0,X2),X4) )
        & big_s(X2,sK1(X0,X2)) ) ),
    introduced(choice_axiom,[]) ).

fof(f9,plain,
    ! [X0,X2] :
      ( ? [X4] :
          ( ~ big_d(X4,X0,sK0(X0))
          & big_f(sK1(X0,X2),X4) )
     => ( ~ big_d(sK2(X0,X2),X0,sK0(X0))
        & big_f(sK1(X0,X2),sK2(X0,X2)) ) ),
    introduced(choice_axiom,[]) ).

fof(f10,plain,
    ! [X5] :
      ( ? [X6] :
        ! [X7,X8] :
          ( ! [X9,X10] :
              ( big_d(X9,X10,X5)
              | ~ big_f(X8,X10)
              | ~ big_f(X7,X9) )
          | ~ big_d(X7,X8,X6) )
     => ! [X8,X7] :
          ( ! [X9,X10] :
              ( big_d(X9,X10,X5)
              | ~ big_f(X8,X10)
              | ~ big_f(X7,X9) )
          | ~ big_d(X7,X8,sK3(X5)) ) ),
    introduced(choice_axiom,[]) ).

fof(f11,plain,
    ( ? [X11] :
      ! [X12] :
      ? [X13] :
      ! [X14] :
        ( big_d(X14,X11,X12)
        | ~ big_s(X13,X14) )
   => ! [X12] :
      ? [X13] :
      ! [X14] :
        ( big_d(X14,sK4,X12)
        | ~ big_s(X13,X14) ) ),
    introduced(choice_axiom,[]) ).

fof(f12,plain,
    ! [X12] :
      ( ? [X13] :
        ! [X14] :
          ( big_d(X14,sK4,X12)
          | ~ big_s(X13,X14) )
     => ! [X14] :
          ( big_d(X14,sK4,X12)
          | ~ big_s(sK5(X12),X14) ) ),
    introduced(choice_axiom,[]) ).

fof(f13,plain,
    ! [X15] :
      ( ? [X16] : big_f(X15,X16)
     => big_f(X15,sK6(X15)) ),
    introduced(choice_axiom,[]) ).

fof(f14,plain,
    ( ! [X0,X2] :
        ( ~ big_d(sK2(X0,X2),X0,sK0(X0))
        & big_f(sK1(X0,X2),sK2(X0,X2))
        & big_s(X2,sK1(X0,X2)) )
    & ! [X5,X7,X8] :
        ( ! [X9,X10] :
            ( big_d(X9,X10,X5)
            | ~ big_f(X8,X10)
            | ~ big_f(X7,X9) )
        | ~ big_d(X7,X8,sK3(X5)) )
    & ! [X12,X14] :
        ( big_d(X14,sK4,X12)
        | ~ big_s(sK5(X12),X14) )
    & ! [X15] : big_f(X15,sK6(X15)) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3,sK4,sK5,sK6])],[f6,f13,f12,f11,f10,f9,f8,f7]) ).

fof(f15,plain,
    ! [X15] : big_f(X15,sK6(X15)),
    inference(cnf_transformation,[],[f14]) ).

fof(f16,plain,
    ! [X14,X12] :
      ( big_d(X14,sK4,X12)
      | ~ big_s(sK5(X12),X14) ),
    inference(cnf_transformation,[],[f14]) ).

fof(f17,plain,
    ! [X10,X8,X9,X7,X5] :
      ( big_d(X9,X10,X5)
      | ~ big_f(X8,X10)
      | ~ big_f(X7,X9)
      | ~ big_d(X7,X8,sK3(X5)) ),
    inference(cnf_transformation,[],[f14]) ).

fof(f18,plain,
    ! [X2,X0] : big_s(X2,sK1(X0,X2)),
    inference(cnf_transformation,[],[f14]) ).

fof(f19,plain,
    ! [X2,X0] : big_f(sK1(X0,X2),sK2(X0,X2)),
    inference(cnf_transformation,[],[f14]) ).

fof(f20,plain,
    ! [X2,X0] : ~ big_d(sK2(X0,X2),X0,sK0(X0)),
    inference(cnf_transformation,[],[f14]) ).

cnf(c_49,negated_conjecture,
    ~ big_d(sK2(X0,X1),X0,sK0(X0)),
    inference(cnf_transformation,[],[f20]) ).

cnf(c_50,negated_conjecture,
    big_f(sK1(X0,X1),sK2(X0,X1)),
    inference(cnf_transformation,[],[f19]) ).

cnf(c_51,negated_conjecture,
    big_s(X0,sK1(X1,X0)),
    inference(cnf_transformation,[],[f18]) ).

cnf(c_52,negated_conjecture,
    ( ~ big_d(X0,X1,sK3(X2))
    | ~ big_f(X0,X4)
    | ~ big_f(X1,X3)
    | big_d(X4,X3,X2) ),
    inference(cnf_transformation,[],[f17]) ).

cnf(c_53,negated_conjecture,
    ( ~ big_s(sK5(X0),X1)
    | big_d(X1,sK4,X0) ),
    inference(cnf_transformation,[],[f16]) ).

cnf(c_54,negated_conjecture,
    big_f(X0,sK6(X0)),
    inference(cnf_transformation,[],[f15]) ).

cnf(c_55,plain,
    big_f(sK4,sK6(sK4)),
    inference(instantiation,[status(thm)],[c_54]) ).

cnf(c_81,plain,
    big_d(sK1(X0,sK5(X1)),sK4,X1),
    inference(resolution,[status(thm)],[c_51,c_53]) ).

cnf(c_104,negated_conjecture,
    ( ~ big_d(X0,X1,sK3(X2))
    | ~ big_f(X0,X3)
    | ~ big_f(X1,X4)
    | big_d(X3,X4,X2) ),
    inference(demodulation,[status(thm)],[c_52]) ).

cnf(c_105,negated_conjecture,
    big_f(sK1(X0,X1),sK2(X0,X1)),
    inference(demodulation,[status(thm)],[c_50]) ).

cnf(c_106,negated_conjecture,
    ~ big_d(sK2(X0,X1),X0,sK0(X0)),
    inference(demodulation,[status(thm)],[c_49]) ).

cnf(c_107,plain,
    ( ~ big_d(sK1(X0,X1),X2,sK3(X3))
    | ~ big_f(sK1(X0,X1),sK2(X0,X1))
    | ~ big_f(X2,X4)
    | big_d(sK2(X0,X1),X4,X3) ),
    inference(instantiation,[status(thm)],[c_104]) ).

cnf(c_111,plain,
    ( ~ big_d(sK1(X0,X1),X2,sK3(sK0(X0)))
    | ~ big_f(sK1(X0,X1),sK2(X0,X1))
    | ~ big_f(X2,X0)
    | big_d(sK2(X0,X1),X0,sK0(X0)) ),
    inference(instantiation,[status(thm)],[c_107]) ).

cnf(c_115,plain,
    ( ~ big_d(sK1(sK6(X0),X1),X0,sK3(sK0(sK6(X0))))
    | ~ big_f(sK1(sK6(X0),X1),sK2(sK6(X0),X1))
    | ~ big_f(X0,sK6(X0))
    | big_d(sK2(sK6(X0),X1),sK6(X0),sK0(sK6(X0))) ),
    inference(instantiation,[status(thm)],[c_111]) ).

cnf(c_117,plain,
    ~ big_d(sK2(sK6(X0),X1),sK6(X0),sK0(sK6(X0))),
    inference(instantiation,[status(thm)],[c_106]) ).

cnf(c_135,plain,
    ( ~ big_f(sK1(sK6(sK4),sK5(sK3(sK0(sK6(sK4))))),sK2(sK6(sK4),sK5(sK3(sK0(sK6(sK4))))))
    | ~ big_d(sK1(sK6(sK4),sK5(sK3(sK0(sK6(sK4))))),sK4,sK3(sK0(sK6(sK4))))
    | ~ big_f(sK4,sK6(sK4))
    | big_d(sK2(sK6(sK4),sK5(sK3(sK0(sK6(sK4))))),sK6(sK4),sK0(sK6(sK4))) ),
    inference(instantiation,[status(thm)],[c_115]) ).

cnf(c_136,plain,
    big_d(sK1(sK6(sK4),sK5(sK3(sK0(sK6(sK4))))),sK4,sK3(sK0(sK6(sK4)))),
    inference(instantiation,[status(thm)],[c_81]) ).

cnf(c_142,plain,
    ~ big_d(sK2(sK6(sK4),sK5(sK3(sK0(sK6(sK4))))),sK6(sK4),sK0(sK6(sK4))),
    inference(instantiation,[status(thm)],[c_117]) ).

cnf(c_149,plain,
    big_f(sK1(X0,sK5(sK3(X1))),sK2(X0,sK5(sK3(X1)))),
    inference(instantiation,[status(thm)],[c_105]) ).

cnf(c_181,plain,
    big_f(sK1(sK6(sK4),sK5(sK3(sK0(sK6(sK4))))),sK2(sK6(sK4),sK5(sK3(sK0(sK6(sK4)))))),
    inference(instantiation,[status(thm)],[c_149]) ).

cnf(c_182,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_181,c_142,c_136,c_135,c_55]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.10  % Problem  : SYN386+1 : TPTP v8.1.2. Released v2.0.0.
% 0.00/0.11  % Command  : run_iprover %s %d THM
% 0.10/0.31  % Computer : n024.cluster.edu
% 0.10/0.31  % Model    : x86_64 x86_64
% 0.10/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.31  % Memory   : 8042.1875MB
% 0.10/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.31  % CPULimit : 300
% 0.10/0.31  % WCLimit  : 300
% 0.10/0.31  % DateTime : Thu May  2 20:41:20 EDT 2024
% 0.10/0.31  % CPUTime  : 
% 0.17/0.42  Running first-order theorem proving
% 0.17/0.42  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --heuristic_context casc_unsat --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.42/1.11  % SZS status Started for theBenchmark.p
% 0.42/1.11  % SZS status Theorem for theBenchmark.p
% 0.42/1.11  
% 0.42/1.11  %---------------- iProver v3.9 (pre CASC 2024/SMT-COMP 2024) ----------------%
% 0.42/1.11  
% 0.42/1.11  ------  iProver source info
% 0.42/1.11  
% 0.42/1.11  git: date: 2024-05-02 19:28:25 +0000
% 0.42/1.11  git: sha1: a33b5eb135c74074ba803943bb12f2ebd971352f
% 0.42/1.11  git: non_committed_changes: false
% 0.42/1.11  
% 0.42/1.11  ------ Parsing...
% 0.42/1.11  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 0.42/1.11  
% 0.42/1.11  ------ Preprocessing... sf_s  rm: 0 0s  sf_e  pe_s  pe:1:0s pe_e  sf_s  rm: 0 0s  sf_e  pe_s  pe_e 
% 0.42/1.11  
% 0.42/1.11  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 0.42/1.11  ------ Proving...
% 0.42/1.11  ------ Problem Properties 
% 0.42/1.11  
% 0.42/1.11  
% 0.42/1.11  clauses                                 5
% 0.42/1.11  conjectures                             4
% 0.42/1.11  EPR                                     0
% 0.42/1.11  Horn                                    5
% 0.42/1.11  unary                                   4
% 0.42/1.11  binary                                  0
% 0.42/1.11  lits                                    8
% 0.42/1.11  lits eq                                 0
% 0.42/1.11  fd_pure                                 0
% 0.42/1.11  fd_pseudo                               0
% 0.42/1.11  fd_cond                                 0
% 0.42/1.11  fd_pseudo_cond                          0
% 0.42/1.11  AC symbols                              0
% 0.42/1.11  
% 0.42/1.11  ------ Schedule dynamic 5 is on 
% 0.42/1.11  
% 0.42/1.11  ------ no equalities: superposition off 
% 0.42/1.11  
% 0.42/1.11  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 0.42/1.11  
% 0.42/1.11  
% 0.42/1.11  ------ 
% 0.42/1.11  Current options:
% 0.42/1.11  ------ 
% 0.42/1.11  
% 0.42/1.11  
% 0.42/1.11  
% 0.42/1.11  
% 0.42/1.11  ------ Proving...
% 0.42/1.11  
% 0.42/1.11  
% 0.42/1.11  % SZS status Theorem for theBenchmark.p
% 0.42/1.11  
% 0.42/1.11  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.42/1.11  
% 0.42/1.11  
%------------------------------------------------------------------------------