TSTP Solution File: SWC236+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SWC236+1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n021.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 : Thu Aug 31 20:41:54 EDT 2023

% Result   : Theorem 163.35s 22.34s
% Output   : CNFRefutation 163.35s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :   19
% Syntax   : Number of formulae    :  102 (  16 unt;   0 def)
%            Number of atoms       :  830 ( 290 equ)
%            Maximal formula atoms :   72 (   8 avg)
%            Number of connectives : 1183 ( 455   ~; 414   |; 277   &)
%                                         (   0 <=>;  37  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   27 (   6 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number of predicates  :    8 (   6 usr;   1 prp; 0-2 aty)
%            Number of functors    :   12 (  12 usr;   7 con; 0-3 aty)
%            Number of variables   :  385 (   0 sgn; 216   !; 102   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f16,axiom,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssItem(X1)
         => ssList(cons(X1,X0)) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax16) ).

fof(f17,axiom,
    ssList(nil),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax17) ).

fof(f20,axiom,
    ! [X0] :
      ( ssList(X0)
     => ( ? [X1] :
            ( ? [X2] :
                ( cons(X2,X1) = X0
                & ssItem(X2) )
            & ssList(X1) )
        | nil = X0 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax20) ).

fof(f28,axiom,
    ! [X0] :
      ( ssList(X0)
     => app(nil,X0) = X0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax28) ).

fof(f38,axiom,
    ! [X0] :
      ( ssItem(X0)
     => ~ memberP(nil,X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax38) ).

fof(f81,axiom,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssItem(X1)
         => cons(X1,X0) = app(cons(X1,nil),X0) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax81) ).

fof(f96,conjecture,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ! [X2] :
              ( ssList(X2)
             => ! [X3] :
                  ( ssList(X3)
                 => ( ( nil = X2
                      & nil != X3 )
                    | ! [X8] :
                        ( ssList(X8)
                       => ! [X9] :
                            ( ssList(X9)
                           => ( ? [X14] :
                                  ( ? [X15] :
                                      ( ? [X16] :
                                          ( ? [X17] :
                                              ( leq(X16,X14)
                                              & app(X17,cons(X16,nil)) = X2
                                              & ssList(X17) )
                                          & ssItem(X16) )
                                      & app(cons(X14,nil),X15) = X9
                                      & ssList(X15) )
                                  & ssItem(X14) )
                              | ? [X10] :
                                  ( ? [X11] :
                                      ( ? [X12] :
                                          ( ? [X13] :
                                              ( leq(X10,X12)
                                              & app(cons(X12,nil),X13) = X2
                                              & ssList(X13) )
                                          & ssItem(X12) )
                                      & app(X11,cons(X10,nil)) = X8
                                      & ssList(X11) )
                                  & ssItem(X10) )
                              | ~ totalorderedP(X2)
                              | app(app(X8,X2),X9) != X3 ) ) )
                    | ? [X4] :
                        ( ? [X5] :
                            ( ? [X6] :
                                ( ! [X7] :
                                    ( ssItem(X7)
                                   => ( lt(X4,X7)
                                      | ~ leq(X4,X7)
                                      | ~ memberP(X6,X7)
                                      | ~ memberP(X5,X7) ) )
                                & app(app(X5,cons(X4,nil)),X6) = X0
                                & ssList(X6) )
                            & ssList(X5) )
                        & ssItem(X4) )
                    | nil = X0
                    | X0 != X2
                    | X1 != X3 ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1) ).

fof(f97,negated_conjecture,
    ~ ! [X0] :
        ( ssList(X0)
       => ! [X1] :
            ( ssList(X1)
           => ! [X2] :
                ( ssList(X2)
               => ! [X3] :
                    ( ssList(X3)
                   => ( ( nil = X2
                        & nil != X3 )
                      | ! [X8] :
                          ( ssList(X8)
                         => ! [X9] :
                              ( ssList(X9)
                             => ( ? [X14] :
                                    ( ? [X15] :
                                        ( ? [X16] :
                                            ( ? [X17] :
                                                ( leq(X16,X14)
                                                & app(X17,cons(X16,nil)) = X2
                                                & ssList(X17) )
                                            & ssItem(X16) )
                                        & app(cons(X14,nil),X15) = X9
                                        & ssList(X15) )
                                    & ssItem(X14) )
                                | ? [X10] :
                                    ( ? [X11] :
                                        ( ? [X12] :
                                            ( ? [X13] :
                                                ( leq(X10,X12)
                                                & app(cons(X12,nil),X13) = X2
                                                & ssList(X13) )
                                            & ssItem(X12) )
                                        & app(X11,cons(X10,nil)) = X8
                                        & ssList(X11) )
                                    & ssItem(X10) )
                                | ~ totalorderedP(X2)
                                | app(app(X8,X2),X9) != X3 ) ) )
                      | ? [X4] :
                          ( ? [X5] :
                              ( ? [X6] :
                                  ( ! [X7] :
                                      ( ssItem(X7)
                                     => ( lt(X4,X7)
                                        | ~ leq(X4,X7)
                                        | ~ memberP(X6,X7)
                                        | ~ memberP(X5,X7) ) )
                                  & app(app(X5,cons(X4,nil)),X6) = X0
                                  & ssList(X6) )
                              & ssList(X5) )
                          & ssItem(X4) )
                      | nil = X0
                      | X0 != X2
                      | X1 != X3 ) ) ) ) ),
    inference(negated_conjecture,[],[f96]) ).

fof(f98,plain,
    ~ ! [X0] :
        ( ssList(X0)
       => ! [X1] :
            ( ssList(X1)
           => ! [X2] :
                ( ssList(X2)
               => ! [X3] :
                    ( ssList(X3)
                   => ( ( nil = X2
                        & nil != X3 )
                      | ! [X4] :
                          ( ssList(X4)
                         => ! [X5] :
                              ( ssList(X5)
                             => ( ? [X6] :
                                    ( ? [X7] :
                                        ( ? [X8] :
                                            ( ? [X9] :
                                                ( leq(X8,X6)
                                                & app(X9,cons(X8,nil)) = X2
                                                & ssList(X9) )
                                            & ssItem(X8) )
                                        & app(cons(X6,nil),X7) = X5
                                        & ssList(X7) )
                                    & ssItem(X6) )
                                | ? [X10] :
                                    ( ? [X11] :
                                        ( ? [X12] :
                                            ( ? [X13] :
                                                ( leq(X10,X12)
                                                & app(cons(X12,nil),X13) = X2
                                                & ssList(X13) )
                                            & ssItem(X12) )
                                        & app(X11,cons(X10,nil)) = X4
                                        & ssList(X11) )
                                    & ssItem(X10) )
                                | ~ totalorderedP(X2)
                                | app(app(X4,X2),X5) != X3 ) ) )
                      | ? [X14] :
                          ( ? [X15] :
                              ( ? [X16] :
                                  ( ! [X17] :
                                      ( ssItem(X17)
                                     => ( lt(X14,X17)
                                        | ~ leq(X14,X17)
                                        | ~ memberP(X16,X17)
                                        | ~ memberP(X15,X17) ) )
                                  & app(app(X15,cons(X14,nil)),X16) = X0
                                  & ssList(X16) )
                              & ssList(X15) )
                          & ssItem(X14) )
                      | nil = X0
                      | X0 != X2
                      | X1 != X3 ) ) ) ) ),
    inference(rectify,[],[f97]) ).

fof(f120,plain,
    ! [X0] :
      ( ! [X1] :
          ( ssList(cons(X1,X0))
          | ~ ssItem(X1) )
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f16]) ).

fof(f124,plain,
    ! [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( cons(X2,X1) = X0
              & ssItem(X2) )
          & ssList(X1) )
      | nil = X0
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f20]) ).

fof(f125,plain,
    ! [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( cons(X2,X1) = X0
              & ssItem(X2) )
          & ssList(X1) )
      | nil = X0
      | ~ ssList(X0) ),
    inference(flattening,[],[f124]) ).

fof(f135,plain,
    ! [X0] :
      ( app(nil,X0) = X0
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f28]) ).

fof(f149,plain,
    ! [X0] :
      ( ~ memberP(nil,X0)
      | ~ ssItem(X0) ),
    inference(ennf_transformation,[],[f38]) ).

fof(f199,plain,
    ! [X0] :
      ( ! [X1] :
          ( cons(X1,X0) = app(cons(X1,nil),X0)
          | ~ ssItem(X1) )
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f81]) ).

fof(f222,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( nil != X2
                    | nil = X3 )
                  & ? [X4] :
                      ( ? [X5] :
                          ( ! [X6] :
                              ( ! [X7] :
                                  ( ! [X8] :
                                      ( ! [X9] :
                                          ( ~ leq(X8,X6)
                                          | app(X9,cons(X8,nil)) != X2
                                          | ~ ssList(X9) )
                                      | ~ ssItem(X8) )
                                  | app(cons(X6,nil),X7) != X5
                                  | ~ ssList(X7) )
                              | ~ ssItem(X6) )
                          & ! [X10] :
                              ( ! [X11] :
                                  ( ! [X12] :
                                      ( ! [X13] :
                                          ( ~ leq(X10,X12)
                                          | app(cons(X12,nil),X13) != X2
                                          | ~ ssList(X13) )
                                      | ~ ssItem(X12) )
                                  | app(X11,cons(X10,nil)) != X4
                                  | ~ ssList(X11) )
                              | ~ ssItem(X10) )
                          & totalorderedP(X2)
                          & app(app(X4,X2),X5) = X3
                          & ssList(X5) )
                      & ssList(X4) )
                  & ! [X14] :
                      ( ! [X15] :
                          ( ! [X16] :
                              ( ? [X17] :
                                  ( ~ lt(X14,X17)
                                  & leq(X14,X17)
                                  & memberP(X16,X17)
                                  & memberP(X15,X17)
                                  & ssItem(X17) )
                              | app(app(X15,cons(X14,nil)),X16) != X0
                              | ~ ssList(X16) )
                          | ~ ssList(X15) )
                      | ~ ssItem(X14) )
                  & nil != X0
                  & X0 = X2
                  & X1 = X3
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(ennf_transformation,[],[f98]) ).

fof(f223,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( nil != X2
                    | nil = X3 )
                  & ? [X4] :
                      ( ? [X5] :
                          ( ! [X6] :
                              ( ! [X7] :
                                  ( ! [X8] :
                                      ( ! [X9] :
                                          ( ~ leq(X8,X6)
                                          | app(X9,cons(X8,nil)) != X2
                                          | ~ ssList(X9) )
                                      | ~ ssItem(X8) )
                                  | app(cons(X6,nil),X7) != X5
                                  | ~ ssList(X7) )
                              | ~ ssItem(X6) )
                          & ! [X10] :
                              ( ! [X11] :
                                  ( ! [X12] :
                                      ( ! [X13] :
                                          ( ~ leq(X10,X12)
                                          | app(cons(X12,nil),X13) != X2
                                          | ~ ssList(X13) )
                                      | ~ ssItem(X12) )
                                  | app(X11,cons(X10,nil)) != X4
                                  | ~ ssList(X11) )
                              | ~ ssItem(X10) )
                          & totalorderedP(X2)
                          & app(app(X4,X2),X5) = X3
                          & ssList(X5) )
                      & ssList(X4) )
                  & ! [X14] :
                      ( ! [X15] :
                          ( ! [X16] :
                              ( ? [X17] :
                                  ( ~ lt(X14,X17)
                                  & leq(X14,X17)
                                  & memberP(X16,X17)
                                  & memberP(X15,X17)
                                  & ssItem(X17) )
                              | app(app(X15,cons(X14,nil)),X16) != X0
                              | ~ ssList(X16) )
                          | ~ ssList(X15) )
                      | ~ ssItem(X14) )
                  & nil != X0
                  & X0 = X2
                  & X1 = X3
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(flattening,[],[f222]) ).

fof(f318,plain,
    ! [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( cons(X2,X1) = X0
              & ssItem(X2) )
          & ssList(X1) )
     => ( ? [X2] :
            ( cons(X2,sK49(X0)) = X0
            & ssItem(X2) )
        & ssList(sK49(X0)) ) ),
    introduced(choice_axiom,[]) ).

fof(f319,plain,
    ! [X0] :
      ( ? [X2] :
          ( cons(X2,sK49(X0)) = X0
          & ssItem(X2) )
     => ( cons(sK50(X0),sK49(X0)) = X0
        & ssItem(sK50(X0)) ) ),
    introduced(choice_axiom,[]) ).

fof(f320,plain,
    ! [X0] :
      ( ( cons(sK50(X0),sK49(X0)) = X0
        & ssItem(sK50(X0))
        & ssList(sK49(X0)) )
      | nil = X0
      | ~ ssList(X0) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK49,sK50])],[f125,f319,f318]) ).

fof(f344,plain,
    ( ? [X0] :
        ( ? [X1] :
            ( ? [X2] :
                ( ? [X3] :
                    ( ( nil != X2
                      | nil = X3 )
                    & ? [X4] :
                        ( ? [X5] :
                            ( ! [X6] :
                                ( ! [X7] :
                                    ( ! [X8] :
                                        ( ! [X9] :
                                            ( ~ leq(X8,X6)
                                            | app(X9,cons(X8,nil)) != X2
                                            | ~ ssList(X9) )
                                        | ~ ssItem(X8) )
                                    | app(cons(X6,nil),X7) != X5
                                    | ~ ssList(X7) )
                                | ~ ssItem(X6) )
                            & ! [X10] :
                                ( ! [X11] :
                                    ( ! [X12] :
                                        ( ! [X13] :
                                            ( ~ leq(X10,X12)
                                            | app(cons(X12,nil),X13) != X2
                                            | ~ ssList(X13) )
                                        | ~ ssItem(X12) )
                                    | app(X11,cons(X10,nil)) != X4
                                    | ~ ssList(X11) )
                                | ~ ssItem(X10) )
                            & totalorderedP(X2)
                            & app(app(X4,X2),X5) = X3
                            & ssList(X5) )
                        & ssList(X4) )
                    & ! [X14] :
                        ( ! [X15] :
                            ( ! [X16] :
                                ( ? [X17] :
                                    ( ~ lt(X14,X17)
                                    & leq(X14,X17)
                                    & memberP(X16,X17)
                                    & memberP(X15,X17)
                                    & ssItem(X17) )
                                | app(app(X15,cons(X14,nil)),X16) != X0
                                | ~ ssList(X16) )
                            | ~ ssList(X15) )
                        | ~ ssItem(X14) )
                    & nil != X0
                    & X0 = X2
                    & X1 = X3
                    & ssList(X3) )
                & ssList(X2) )
            & ssList(X1) )
        & ssList(X0) )
   => ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( nil != X2
                    | nil = X3 )
                  & ? [X4] :
                      ( ? [X5] :
                          ( ! [X6] :
                              ( ! [X7] :
                                  ( ! [X8] :
                                      ( ! [X9] :
                                          ( ~ leq(X8,X6)
                                          | app(X9,cons(X8,nil)) != X2
                                          | ~ ssList(X9) )
                                      | ~ ssItem(X8) )
                                  | app(cons(X6,nil),X7) != X5
                                  | ~ ssList(X7) )
                              | ~ ssItem(X6) )
                          & ! [X10] :
                              ( ! [X11] :
                                  ( ! [X12] :
                                      ( ! [X13] :
                                          ( ~ leq(X10,X12)
                                          | app(cons(X12,nil),X13) != X2
                                          | ~ ssList(X13) )
                                      | ~ ssItem(X12) )
                                  | app(X11,cons(X10,nil)) != X4
                                  | ~ ssList(X11) )
                              | ~ ssItem(X10) )
                          & totalorderedP(X2)
                          & app(app(X4,X2),X5) = X3
                          & ssList(X5) )
                      & ssList(X4) )
                  & ! [X14] :
                      ( ! [X15] :
                          ( ! [X16] :
                              ( ? [X17] :
                                  ( ~ lt(X14,X17)
                                  & leq(X14,X17)
                                  & memberP(X16,X17)
                                  & memberP(X15,X17)
                                  & ssItem(X17) )
                              | app(app(X15,cons(X14,nil)),X16) != sK53
                              | ~ ssList(X16) )
                          | ~ ssList(X15) )
                      | ~ ssItem(X14) )
                  & nil != sK53
                  & sK53 = X2
                  & X1 = X3
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(sK53) ) ),
    introduced(choice_axiom,[]) ).

fof(f345,plain,
    ( ? [X1] :
        ( ? [X2] :
            ( ? [X3] :
                ( ( nil != X2
                  | nil = X3 )
                & ? [X4] :
                    ( ? [X5] :
                        ( ! [X6] :
                            ( ! [X7] :
                                ( ! [X8] :
                                    ( ! [X9] :
                                        ( ~ leq(X8,X6)
                                        | app(X9,cons(X8,nil)) != X2
                                        | ~ ssList(X9) )
                                    | ~ ssItem(X8) )
                                | app(cons(X6,nil),X7) != X5
                                | ~ ssList(X7) )
                            | ~ ssItem(X6) )
                        & ! [X10] :
                            ( ! [X11] :
                                ( ! [X12] :
                                    ( ! [X13] :
                                        ( ~ leq(X10,X12)
                                        | app(cons(X12,nil),X13) != X2
                                        | ~ ssList(X13) )
                                    | ~ ssItem(X12) )
                                | app(X11,cons(X10,nil)) != X4
                                | ~ ssList(X11) )
                            | ~ ssItem(X10) )
                        & totalorderedP(X2)
                        & app(app(X4,X2),X5) = X3
                        & ssList(X5) )
                    & ssList(X4) )
                & ! [X14] :
                    ( ! [X15] :
                        ( ! [X16] :
                            ( ? [X17] :
                                ( ~ lt(X14,X17)
                                & leq(X14,X17)
                                & memberP(X16,X17)
                                & memberP(X15,X17)
                                & ssItem(X17) )
                            | app(app(X15,cons(X14,nil)),X16) != sK53
                            | ~ ssList(X16) )
                        | ~ ssList(X15) )
                    | ~ ssItem(X14) )
                & nil != sK53
                & sK53 = X2
                & X1 = X3
                & ssList(X3) )
            & ssList(X2) )
        & ssList(X1) )
   => ( ? [X2] :
          ( ? [X3] :
              ( ( nil != X2
                | nil = X3 )
              & ? [X4] :
                  ( ? [X5] :
                      ( ! [X6] :
                          ( ! [X7] :
                              ( ! [X8] :
                                  ( ! [X9] :
                                      ( ~ leq(X8,X6)
                                      | app(X9,cons(X8,nil)) != X2
                                      | ~ ssList(X9) )
                                  | ~ ssItem(X8) )
                              | app(cons(X6,nil),X7) != X5
                              | ~ ssList(X7) )
                          | ~ ssItem(X6) )
                      & ! [X10] :
                          ( ! [X11] :
                              ( ! [X12] :
                                  ( ! [X13] :
                                      ( ~ leq(X10,X12)
                                      | app(cons(X12,nil),X13) != X2
                                      | ~ ssList(X13) )
                                  | ~ ssItem(X12) )
                              | app(X11,cons(X10,nil)) != X4
                              | ~ ssList(X11) )
                          | ~ ssItem(X10) )
                      & totalorderedP(X2)
                      & app(app(X4,X2),X5) = X3
                      & ssList(X5) )
                  & ssList(X4) )
              & ! [X14] :
                  ( ! [X15] :
                      ( ! [X16] :
                          ( ? [X17] :
                              ( ~ lt(X14,X17)
                              & leq(X14,X17)
                              & memberP(X16,X17)
                              & memberP(X15,X17)
                              & ssItem(X17) )
                          | app(app(X15,cons(X14,nil)),X16) != sK53
                          | ~ ssList(X16) )
                      | ~ ssList(X15) )
                  | ~ ssItem(X14) )
              & nil != sK53
              & sK53 = X2
              & sK54 = X3
              & ssList(X3) )
          & ssList(X2) )
      & ssList(sK54) ) ),
    introduced(choice_axiom,[]) ).

fof(f346,plain,
    ( ? [X2] :
        ( ? [X3] :
            ( ( nil != X2
              | nil = X3 )
            & ? [X4] :
                ( ? [X5] :
                    ( ! [X6] :
                        ( ! [X7] :
                            ( ! [X8] :
                                ( ! [X9] :
                                    ( ~ leq(X8,X6)
                                    | app(X9,cons(X8,nil)) != X2
                                    | ~ ssList(X9) )
                                | ~ ssItem(X8) )
                            | app(cons(X6,nil),X7) != X5
                            | ~ ssList(X7) )
                        | ~ ssItem(X6) )
                    & ! [X10] :
                        ( ! [X11] :
                            ( ! [X12] :
                                ( ! [X13] :
                                    ( ~ leq(X10,X12)
                                    | app(cons(X12,nil),X13) != X2
                                    | ~ ssList(X13) )
                                | ~ ssItem(X12) )
                            | app(X11,cons(X10,nil)) != X4
                            | ~ ssList(X11) )
                        | ~ ssItem(X10) )
                    & totalorderedP(X2)
                    & app(app(X4,X2),X5) = X3
                    & ssList(X5) )
                & ssList(X4) )
            & ! [X14] :
                ( ! [X15] :
                    ( ! [X16] :
                        ( ? [X17] :
                            ( ~ lt(X14,X17)
                            & leq(X14,X17)
                            & memberP(X16,X17)
                            & memberP(X15,X17)
                            & ssItem(X17) )
                        | app(app(X15,cons(X14,nil)),X16) != sK53
                        | ~ ssList(X16) )
                    | ~ ssList(X15) )
                | ~ ssItem(X14) )
            & nil != sK53
            & sK53 = X2
            & sK54 = X3
            & ssList(X3) )
        & ssList(X2) )
   => ( ? [X3] :
          ( ( nil != sK55
            | nil = X3 )
          & ? [X4] :
              ( ? [X5] :
                  ( ! [X6] :
                      ( ! [X7] :
                          ( ! [X8] :
                              ( ! [X9] :
                                  ( ~ leq(X8,X6)
                                  | app(X9,cons(X8,nil)) != sK55
                                  | ~ ssList(X9) )
                              | ~ ssItem(X8) )
                          | app(cons(X6,nil),X7) != X5
                          | ~ ssList(X7) )
                      | ~ ssItem(X6) )
                  & ! [X10] :
                      ( ! [X11] :
                          ( ! [X12] :
                              ( ! [X13] :
                                  ( ~ leq(X10,X12)
                                  | app(cons(X12,nil),X13) != sK55
                                  | ~ ssList(X13) )
                              | ~ ssItem(X12) )
                          | app(X11,cons(X10,nil)) != X4
                          | ~ ssList(X11) )
                      | ~ ssItem(X10) )
                  & totalorderedP(sK55)
                  & app(app(X4,sK55),X5) = X3
                  & ssList(X5) )
              & ssList(X4) )
          & ! [X14] :
              ( ! [X15] :
                  ( ! [X16] :
                      ( ? [X17] :
                          ( ~ lt(X14,X17)
                          & leq(X14,X17)
                          & memberP(X16,X17)
                          & memberP(X15,X17)
                          & ssItem(X17) )
                      | app(app(X15,cons(X14,nil)),X16) != sK53
                      | ~ ssList(X16) )
                  | ~ ssList(X15) )
              | ~ ssItem(X14) )
          & nil != sK53
          & sK53 = sK55
          & sK54 = X3
          & ssList(X3) )
      & ssList(sK55) ) ),
    introduced(choice_axiom,[]) ).

fof(f347,plain,
    ( ? [X3] :
        ( ( nil != sK55
          | nil = X3 )
        & ? [X4] :
            ( ? [X5] :
                ( ! [X6] :
                    ( ! [X7] :
                        ( ! [X8] :
                            ( ! [X9] :
                                ( ~ leq(X8,X6)
                                | app(X9,cons(X8,nil)) != sK55
                                | ~ ssList(X9) )
                            | ~ ssItem(X8) )
                        | app(cons(X6,nil),X7) != X5
                        | ~ ssList(X7) )
                    | ~ ssItem(X6) )
                & ! [X10] :
                    ( ! [X11] :
                        ( ! [X12] :
                            ( ! [X13] :
                                ( ~ leq(X10,X12)
                                | app(cons(X12,nil),X13) != sK55
                                | ~ ssList(X13) )
                            | ~ ssItem(X12) )
                        | app(X11,cons(X10,nil)) != X4
                        | ~ ssList(X11) )
                    | ~ ssItem(X10) )
                & totalorderedP(sK55)
                & app(app(X4,sK55),X5) = X3
                & ssList(X5) )
            & ssList(X4) )
        & ! [X14] :
            ( ! [X15] :
                ( ! [X16] :
                    ( ? [X17] :
                        ( ~ lt(X14,X17)
                        & leq(X14,X17)
                        & memberP(X16,X17)
                        & memberP(X15,X17)
                        & ssItem(X17) )
                    | app(app(X15,cons(X14,nil)),X16) != sK53
                    | ~ ssList(X16) )
                | ~ ssList(X15) )
            | ~ ssItem(X14) )
        & nil != sK53
        & sK53 = sK55
        & sK54 = X3
        & ssList(X3) )
   => ( ( nil != sK55
        | nil = sK56 )
      & ? [X4] :
          ( ? [X5] :
              ( ! [X6] :
                  ( ! [X7] :
                      ( ! [X8] :
                          ( ! [X9] :
                              ( ~ leq(X8,X6)
                              | app(X9,cons(X8,nil)) != sK55
                              | ~ ssList(X9) )
                          | ~ ssItem(X8) )
                      | app(cons(X6,nil),X7) != X5
                      | ~ ssList(X7) )
                  | ~ ssItem(X6) )
              & ! [X10] :
                  ( ! [X11] :
                      ( ! [X12] :
                          ( ! [X13] :
                              ( ~ leq(X10,X12)
                              | app(cons(X12,nil),X13) != sK55
                              | ~ ssList(X13) )
                          | ~ ssItem(X12) )
                      | app(X11,cons(X10,nil)) != X4
                      | ~ ssList(X11) )
                  | ~ ssItem(X10) )
              & totalorderedP(sK55)
              & app(app(X4,sK55),X5) = sK56
              & ssList(X5) )
          & ssList(X4) )
      & ! [X14] :
          ( ! [X15] :
              ( ! [X16] :
                  ( ? [X17] :
                      ( ~ lt(X14,X17)
                      & leq(X14,X17)
                      & memberP(X16,X17)
                      & memberP(X15,X17)
                      & ssItem(X17) )
                  | app(app(X15,cons(X14,nil)),X16) != sK53
                  | ~ ssList(X16) )
              | ~ ssList(X15) )
          | ~ ssItem(X14) )
      & nil != sK53
      & sK53 = sK55
      & sK54 = sK56
      & ssList(sK56) ) ),
    introduced(choice_axiom,[]) ).

fof(f348,plain,
    ( ? [X4] :
        ( ? [X5] :
            ( ! [X6] :
                ( ! [X7] :
                    ( ! [X8] :
                        ( ! [X9] :
                            ( ~ leq(X8,X6)
                            | app(X9,cons(X8,nil)) != sK55
                            | ~ ssList(X9) )
                        | ~ ssItem(X8) )
                    | app(cons(X6,nil),X7) != X5
                    | ~ ssList(X7) )
                | ~ ssItem(X6) )
            & ! [X10] :
                ( ! [X11] :
                    ( ! [X12] :
                        ( ! [X13] :
                            ( ~ leq(X10,X12)
                            | app(cons(X12,nil),X13) != sK55
                            | ~ ssList(X13) )
                        | ~ ssItem(X12) )
                    | app(X11,cons(X10,nil)) != X4
                    | ~ ssList(X11) )
                | ~ ssItem(X10) )
            & totalorderedP(sK55)
            & app(app(X4,sK55),X5) = sK56
            & ssList(X5) )
        & ssList(X4) )
   => ( ? [X5] :
          ( ! [X6] :
              ( ! [X7] :
                  ( ! [X8] :
                      ( ! [X9] :
                          ( ~ leq(X8,X6)
                          | app(X9,cons(X8,nil)) != sK55
                          | ~ ssList(X9) )
                      | ~ ssItem(X8) )
                  | app(cons(X6,nil),X7) != X5
                  | ~ ssList(X7) )
              | ~ ssItem(X6) )
          & ! [X10] :
              ( ! [X11] :
                  ( ! [X12] :
                      ( ! [X13] :
                          ( ~ leq(X10,X12)
                          | app(cons(X12,nil),X13) != sK55
                          | ~ ssList(X13) )
                      | ~ ssItem(X12) )
                  | app(X11,cons(X10,nil)) != sK57
                  | ~ ssList(X11) )
              | ~ ssItem(X10) )
          & totalorderedP(sK55)
          & sK56 = app(app(sK57,sK55),X5)
          & ssList(X5) )
      & ssList(sK57) ) ),
    introduced(choice_axiom,[]) ).

fof(f349,plain,
    ( ? [X5] :
        ( ! [X6] :
            ( ! [X7] :
                ( ! [X8] :
                    ( ! [X9] :
                        ( ~ leq(X8,X6)
                        | app(X9,cons(X8,nil)) != sK55
                        | ~ ssList(X9) )
                    | ~ ssItem(X8) )
                | app(cons(X6,nil),X7) != X5
                | ~ ssList(X7) )
            | ~ ssItem(X6) )
        & ! [X10] :
            ( ! [X11] :
                ( ! [X12] :
                    ( ! [X13] :
                        ( ~ leq(X10,X12)
                        | app(cons(X12,nil),X13) != sK55
                        | ~ ssList(X13) )
                    | ~ ssItem(X12) )
                | app(X11,cons(X10,nil)) != sK57
                | ~ ssList(X11) )
            | ~ ssItem(X10) )
        & totalorderedP(sK55)
        & sK56 = app(app(sK57,sK55),X5)
        & ssList(X5) )
   => ( ! [X6] :
          ( ! [X7] :
              ( ! [X8] :
                  ( ! [X9] :
                      ( ~ leq(X8,X6)
                      | app(X9,cons(X8,nil)) != sK55
                      | ~ ssList(X9) )
                  | ~ ssItem(X8) )
              | app(cons(X6,nil),X7) != sK58
              | ~ ssList(X7) )
          | ~ ssItem(X6) )
      & ! [X10] :
          ( ! [X11] :
              ( ! [X12] :
                  ( ! [X13] :
                      ( ~ leq(X10,X12)
                      | app(cons(X12,nil),X13) != sK55
                      | ~ ssList(X13) )
                  | ~ ssItem(X12) )
              | app(X11,cons(X10,nil)) != sK57
              | ~ ssList(X11) )
          | ~ ssItem(X10) )
      & totalorderedP(sK55)
      & sK56 = app(app(sK57,sK55),sK58)
      & ssList(sK58) ) ),
    introduced(choice_axiom,[]) ).

fof(f350,plain,
    ! [X14,X15,X16] :
      ( ? [X17] :
          ( ~ lt(X14,X17)
          & leq(X14,X17)
          & memberP(X16,X17)
          & memberP(X15,X17)
          & ssItem(X17) )
     => ( ~ lt(X14,sK59(X14,X15,X16))
        & leq(X14,sK59(X14,X15,X16))
        & memberP(X16,sK59(X14,X15,X16))
        & memberP(X15,sK59(X14,X15,X16))
        & ssItem(sK59(X14,X15,X16)) ) ),
    introduced(choice_axiom,[]) ).

fof(f351,plain,
    ( ( nil != sK55
      | nil = sK56 )
    & ! [X6] :
        ( ! [X7] :
            ( ! [X8] :
                ( ! [X9] :
                    ( ~ leq(X8,X6)
                    | app(X9,cons(X8,nil)) != sK55
                    | ~ ssList(X9) )
                | ~ ssItem(X8) )
            | app(cons(X6,nil),X7) != sK58
            | ~ ssList(X7) )
        | ~ ssItem(X6) )
    & ! [X10] :
        ( ! [X11] :
            ( ! [X12] :
                ( ! [X13] :
                    ( ~ leq(X10,X12)
                    | app(cons(X12,nil),X13) != sK55
                    | ~ ssList(X13) )
                | ~ ssItem(X12) )
            | app(X11,cons(X10,nil)) != sK57
            | ~ ssList(X11) )
        | ~ ssItem(X10) )
    & totalorderedP(sK55)
    & sK56 = app(app(sK57,sK55),sK58)
    & ssList(sK58)
    & ssList(sK57)
    & ! [X14] :
        ( ! [X15] :
            ( ! [X16] :
                ( ( ~ lt(X14,sK59(X14,X15,X16))
                  & leq(X14,sK59(X14,X15,X16))
                  & memberP(X16,sK59(X14,X15,X16))
                  & memberP(X15,sK59(X14,X15,X16))
                  & ssItem(sK59(X14,X15,X16)) )
                | app(app(X15,cons(X14,nil)),X16) != sK53
                | ~ ssList(X16) )
            | ~ ssList(X15) )
        | ~ ssItem(X14) )
    & nil != sK53
    & sK53 = sK55
    & sK54 = sK56
    & ssList(sK56)
    & ssList(sK55)
    & ssList(sK54)
    & ssList(sK53) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK53,sK54,sK55,sK56,sK57,sK58,sK59])],[f223,f350,f349,f348,f347,f346,f345,f344]) ).

fof(f443,plain,
    ! [X0,X1] :
      ( ssList(cons(X1,X0))
      | ~ ssItem(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f120]) ).

fof(f444,plain,
    ssList(nil),
    inference(cnf_transformation,[],[f17]) ).

fof(f448,plain,
    ! [X0] :
      ( ssList(sK49(X0))
      | nil = X0
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f320]) ).

fof(f449,plain,
    ! [X0] :
      ( ssItem(sK50(X0))
      | nil = X0
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f320]) ).

fof(f450,plain,
    ! [X0] :
      ( cons(sK50(X0),sK49(X0)) = X0
      | nil = X0
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f320]) ).

fof(f458,plain,
    ! [X0] :
      ( app(nil,X0) = X0
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f135]) ).

fof(f474,plain,
    ! [X0] :
      ( ~ memberP(nil,X0)
      | ~ ssItem(X0) ),
    inference(cnf_transformation,[],[f149]) ).

fof(f532,plain,
    ! [X0,X1] :
      ( cons(X1,X0) = app(cons(X1,nil),X0)
      | ~ ssItem(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f199]) ).

fof(f551,plain,
    ssList(sK53),
    inference(cnf_transformation,[],[f351]) ).

fof(f556,plain,
    sK53 = sK55,
    inference(cnf_transformation,[],[f351]) ).

fof(f557,plain,
    nil != sK53,
    inference(cnf_transformation,[],[f351]) ).

fof(f558,plain,
    ! [X16,X14,X15] :
      ( ssItem(sK59(X14,X15,X16))
      | app(app(X15,cons(X14,nil)),X16) != sK53
      | ~ ssList(X16)
      | ~ ssList(X15)
      | ~ ssItem(X14) ),
    inference(cnf_transformation,[],[f351]) ).

fof(f559,plain,
    ! [X16,X14,X15] :
      ( memberP(X15,sK59(X14,X15,X16))
      | app(app(X15,cons(X14,nil)),X16) != sK53
      | ~ ssList(X16)
      | ~ ssList(X15)
      | ~ ssItem(X14) ),
    inference(cnf_transformation,[],[f351]) ).

fof(f573,plain,
    ! [X16,X14,X15] :
      ( memberP(X15,sK59(X14,X15,X16))
      | app(app(X15,cons(X14,nil)),X16) != sK55
      | ~ ssList(X16)
      | ~ ssList(X15)
      | ~ ssItem(X14) ),
    inference(definition_unfolding,[],[f559,f556]) ).

fof(f574,plain,
    ! [X16,X14,X15] :
      ( ssItem(sK59(X14,X15,X16))
      | app(app(X15,cons(X14,nil)),X16) != sK55
      | ~ ssList(X16)
      | ~ ssList(X15)
      | ~ ssItem(X14) ),
    inference(definition_unfolding,[],[f558,f556]) ).

fof(f575,plain,
    nil != sK55,
    inference(definition_unfolding,[],[f557,f556]) ).

fof(f577,plain,
    ssList(sK55),
    inference(definition_unfolding,[],[f551,f556]) ).

cnf(c_140,plain,
    ( ~ ssItem(X0)
    | ~ ssList(X1)
    | ssList(cons(X0,X1)) ),
    inference(cnf_transformation,[],[f443]) ).

cnf(c_141,plain,
    ssList(nil),
    inference(cnf_transformation,[],[f444]) ).

cnf(c_145,plain,
    ( ~ ssList(X0)
    | cons(sK50(X0),sK49(X0)) = X0
    | X0 = nil ),
    inference(cnf_transformation,[],[f450]) ).

cnf(c_146,plain,
    ( ~ ssList(X0)
    | X0 = nil
    | ssItem(sK50(X0)) ),
    inference(cnf_transformation,[],[f449]) ).

cnf(c_147,plain,
    ( ~ ssList(X0)
    | X0 = nil
    | ssList(sK49(X0)) ),
    inference(cnf_transformation,[],[f448]) ).

cnf(c_155,plain,
    ( ~ ssList(X0)
    | app(nil,X0) = X0 ),
    inference(cnf_transformation,[],[f458]) ).

cnf(c_171,plain,
    ( ~ memberP(nil,X0)
    | ~ ssItem(X0) ),
    inference(cnf_transformation,[],[f474]) ).

cnf(c_227,plain,
    ( ~ ssItem(X0)
    | ~ ssList(X1)
    | app(cons(X0,nil),X1) = cons(X0,X1) ),
    inference(cnf_transformation,[],[f532]) ).

cnf(c_256,negated_conjecture,
    ( app(app(X0,cons(X1,nil)),X2) != sK55
    | ~ ssItem(X1)
    | ~ ssList(X0)
    | ~ ssList(X2)
    | memberP(X0,sK59(X1,X0,X2)) ),
    inference(cnf_transformation,[],[f573]) ).

cnf(c_257,negated_conjecture,
    ( app(app(X0,cons(X1,nil)),X2) != sK55
    | ~ ssItem(X1)
    | ~ ssList(X0)
    | ~ ssList(X2)
    | ssItem(sK59(X1,X0,X2)) ),
    inference(cnf_transformation,[],[f574]) ).

cnf(c_258,negated_conjecture,
    nil != sK55,
    inference(cnf_transformation,[],[f575]) ).

cnf(c_262,negated_conjecture,
    ssList(sK55),
    inference(cnf_transformation,[],[f577]) ).

cnf(c_9130,negated_conjecture,
    nil != sK55,
    inference(subtyping,[status(esa)],[c_258]) ).

cnf(c_9131,negated_conjecture,
    ( app(app(X0_13,cons(X0_14,nil)),X1_13) != sK55
    | ~ ssItem(X0_14)
    | ~ ssList(X0_13)
    | ~ ssList(X1_13)
    | ssItem(sK59(X0_14,X0_13,X1_13)) ),
    inference(subtyping,[status(esa)],[c_257]) ).

cnf(c_9132,negated_conjecture,
    ( app(app(X0_13,cons(X0_14,nil)),X1_13) != sK55
    | ~ ssItem(X0_14)
    | ~ ssList(X0_13)
    | ~ ssList(X1_13)
    | memberP(X0_13,sK59(X0_14,X0_13,X1_13)) ),
    inference(subtyping,[status(esa)],[c_256]) ).

cnf(c_9157,plain,
    ( ~ ssItem(X0_14)
    | ~ ssList(X0_13)
    | app(cons(X0_14,nil),X0_13) = cons(X0_14,X0_13) ),
    inference(subtyping,[status(esa)],[c_227]) ).

cnf(c_9202,plain,
    ( ~ memberP(nil,X0_14)
    | ~ ssItem(X0_14) ),
    inference(subtyping,[status(esa)],[c_171]) ).

cnf(c_9218,plain,
    ( ~ ssList(X0_13)
    | app(nil,X0_13) = X0_13 ),
    inference(subtyping,[status(esa)],[c_155]) ).

cnf(c_9226,plain,
    ( ~ ssList(X0_13)
    | X0_13 = nil
    | ssList(sK49(X0_13)) ),
    inference(subtyping,[status(esa)],[c_147]) ).

cnf(c_9227,plain,
    ( ~ ssList(X0_13)
    | X0_13 = nil
    | ssItem(sK50(X0_13)) ),
    inference(subtyping,[status(esa)],[c_146]) ).

cnf(c_9228,plain,
    ( ~ ssList(X0_13)
    | cons(sK50(X0_13),sK49(X0_13)) = X0_13
    | X0_13 = nil ),
    inference(subtyping,[status(esa)],[c_145]) ).

cnf(c_9233,plain,
    ( ~ ssItem(X0_14)
    | ~ ssList(X0_13)
    | ssList(cons(X0_14,X0_13)) ),
    inference(subtyping,[status(esa)],[c_140]) ).

cnf(c_9311,plain,
    X0_13 = X0_13,
    theory(equality) ).

cnf(c_9313,plain,
    ( X0_13 != X1_13
    | X2_13 != X1_13
    | X2_13 = X0_13 ),
    theory(equality) ).

cnf(c_9317,plain,
    ( X0_13 != X1_13
    | X2_13 != X3_13
    | app(X0_13,X2_13) = app(X1_13,X3_13) ),
    theory(equality) ).

cnf(c_9340,plain,
    nil = nil,
    inference(instantiation,[status(thm)],[c_9311]) ).

cnf(c_12372,plain,
    ( nil != X0_13
    | sK55 != X0_13
    | nil = sK55 ),
    inference(instantiation,[status(thm)],[c_9313]) ).

cnf(c_12373,plain,
    ( nil != nil
    | sK55 != nil
    | nil = sK55 ),
    inference(instantiation,[status(thm)],[c_12372]) ).

cnf(c_12784,plain,
    ( ~ ssList(sK55)
    | cons(sK50(sK55),sK49(sK55)) = sK55
    | sK55 = nil ),
    inference(instantiation,[status(thm)],[c_9228]) ).

cnf(c_12789,plain,
    ( ~ ssList(sK55)
    | sK55 = nil
    | ssItem(sK50(sK55)) ),
    inference(instantiation,[status(thm)],[c_9227]) ).

cnf(c_12790,plain,
    ( ~ ssList(sK55)
    | sK55 = nil
    | ssList(sK49(sK55)) ),
    inference(instantiation,[status(thm)],[c_9226]) ).

cnf(c_14578,plain,
    ( cons(X0_14,X0_13) != X1_13
    | X2_13 != X1_13
    | X2_13 = cons(X0_14,X0_13) ),
    inference(instantiation,[status(thm)],[c_9313]) ).

cnf(c_16272,plain,
    sK55 = sK55,
    inference(instantiation,[status(thm)],[c_9311]) ).

cnf(c_21769,plain,
    ( cons(sK50(sK55),sK49(sK55)) != sK55
    | X0_13 != sK55
    | X0_13 = cons(sK50(sK55),sK49(sK55)) ),
    inference(instantiation,[status(thm)],[c_14578]) ).

cnf(c_25996,plain,
    ( cons(sK50(sK55),sK49(sK55)) != sK55
    | sK55 != sK55
    | sK55 = cons(sK50(sK55),sK49(sK55)) ),
    inference(instantiation,[status(thm)],[c_21769]) ).

cnf(c_110670,plain,
    ( X0_13 != X1_13
    | sK55 != X1_13
    | sK55 = X0_13 ),
    inference(instantiation,[status(thm)],[c_9313]) ).

cnf(c_110832,plain,
    ( ~ ssList(cons(X0_14,nil))
    | app(nil,cons(X0_14,nil)) = cons(X0_14,nil) ),
    inference(instantiation,[status(thm)],[c_9218]) ).

cnf(c_123114,plain,
    ( X0_13 != cons(sK50(sK55),sK49(sK55))
    | sK55 != cons(sK50(sK55),sK49(sK55))
    | sK55 = X0_13 ),
    inference(instantiation,[status(thm)],[c_110670]) ).

cnf(c_125768,plain,
    ( app(cons(sK50(sK55),nil),sK49(sK55)) != cons(sK50(sK55),sK49(sK55))
    | sK55 != cons(sK50(sK55),sK49(sK55))
    | sK55 = app(cons(sK50(sK55),nil),sK49(sK55)) ),
    inference(instantiation,[status(thm)],[c_123114]) ).

cnf(c_125769,plain,
    ( ~ ssItem(sK50(sK55))
    | ~ ssList(sK49(sK55))
    | app(cons(sK50(sK55),nil),sK49(sK55)) = cons(sK50(sK55),sK49(sK55)) ),
    inference(instantiation,[status(thm)],[c_9157]) ).

cnf(c_141346,plain,
    ( ~ ssItem(sK50(sK55))
    | ~ ssList(nil)
    | ssList(cons(sK50(sK55),nil)) ),
    inference(instantiation,[status(thm)],[c_9233]) ).

cnf(c_193021,plain,
    ( ~ ssList(cons(sK50(sK55),nil))
    | app(nil,cons(sK50(sK55),nil)) = cons(sK50(sK55),nil) ),
    inference(instantiation,[status(thm)],[c_110832]) ).

cnf(c_263564,plain,
    ( app(app(X0_13,cons(X0_14,nil)),X1_13) != X2_13
    | sK55 != X2_13
    | app(app(X0_13,cons(X0_14,nil)),X1_13) = sK55 ),
    inference(instantiation,[status(thm)],[c_9313]) ).

cnf(c_266194,plain,
    ( app(X0_13,cons(X0_14,nil)) != X1_13
    | X2_13 != X3_13
    | app(app(X0_13,cons(X0_14,nil)),X2_13) = app(X1_13,X3_13) ),
    inference(instantiation,[status(thm)],[c_9317]) ).

cnf(c_274469,plain,
    ( app(nil,cons(X0_14,nil)) != cons(X0_14,nil)
    | X0_13 != X1_13
    | app(app(nil,cons(X0_14,nil)),X0_13) = app(cons(X0_14,nil),X1_13) ),
    inference(instantiation,[status(thm)],[c_266194]) ).

cnf(c_326838,plain,
    ( app(app(X0_13,cons(X0_14,nil)),X1_13) != app(cons(sK50(sK55),nil),sK49(sK55))
    | sK55 != app(cons(sK50(sK55),nil),sK49(sK55))
    | app(app(X0_13,cons(X0_14,nil)),X1_13) = sK55 ),
    inference(instantiation,[status(thm)],[c_263564]) ).

cnf(c_327511,plain,
    ( app(app(nil,cons(sK50(sK55),nil)),X0_13) != app(cons(sK50(sK55),nil),sK49(sK55))
    | sK55 != app(cons(sK50(sK55),nil),sK49(sK55))
    | app(app(nil,cons(sK50(sK55),nil)),X0_13) = sK55 ),
    inference(instantiation,[status(thm)],[c_326838]) ).

cnf(c_327512,plain,
    ( app(nil,cons(sK50(sK55),nil)) != cons(sK50(sK55),nil)
    | X0_13 != sK49(sK55)
    | app(app(nil,cons(sK50(sK55),nil)),X0_13) = app(cons(sK50(sK55),nil),sK49(sK55)) ),
    inference(instantiation,[status(thm)],[c_274469]) ).

cnf(c_334303,plain,
    ( app(app(nil,cons(sK50(sK55),nil)),X0_13) != sK55
    | ~ ssItem(sK50(sK55))
    | ~ ssList(X0_13)
    | ~ ssList(nil)
    | memberP(nil,sK59(sK50(sK55),nil,X0_13)) ),
    inference(instantiation,[status(thm)],[c_9132]) ).

cnf(c_334304,plain,
    ( app(app(nil,cons(sK50(sK55),nil)),X0_13) != sK55
    | ~ ssItem(sK50(sK55))
    | ~ ssList(X0_13)
    | ~ ssList(nil)
    | ssItem(sK59(sK50(sK55),nil,X0_13)) ),
    inference(instantiation,[status(thm)],[c_9131]) ).

cnf(c_334484,plain,
    ( app(nil,cons(sK50(sK55),nil)) != cons(sK50(sK55),nil)
    | sK49(sK55) != sK49(sK55)
    | app(app(nil,cons(sK50(sK55),nil)),sK49(sK55)) = app(cons(sK50(sK55),nil),sK49(sK55)) ),
    inference(instantiation,[status(thm)],[c_327512]) ).

cnf(c_334485,plain,
    sK49(sK55) = sK49(sK55),
    inference(instantiation,[status(thm)],[c_9311]) ).

cnf(c_357095,plain,
    ( app(app(nil,cons(sK50(sK55),nil)),sK49(sK55)) != app(cons(sK50(sK55),nil),sK49(sK55))
    | sK55 != app(cons(sK50(sK55),nil),sK49(sK55))
    | app(app(nil,cons(sK50(sK55),nil)),sK49(sK55)) = sK55 ),
    inference(instantiation,[status(thm)],[c_327511]) ).

cnf(c_391518,plain,
    ( app(app(nil,cons(sK50(sK55),nil)),sK49(sK55)) != sK55
    | ~ ssItem(sK50(sK55))
    | ~ ssList(sK49(sK55))
    | ~ ssList(nil)
    | ssItem(sK59(sK50(sK55),nil,sK49(sK55))) ),
    inference(instantiation,[status(thm)],[c_334304]) ).

cnf(c_391519,plain,
    ( app(app(nil,cons(sK50(sK55),nil)),sK49(sK55)) != sK55
    | ~ ssItem(sK50(sK55))
    | ~ ssList(sK49(sK55))
    | ~ ssList(nil)
    | memberP(nil,sK59(sK50(sK55),nil,sK49(sK55))) ),
    inference(instantiation,[status(thm)],[c_334303]) ).

cnf(c_391650,plain,
    ( ~ memberP(nil,sK59(sK50(sK55),nil,sK49(sK55)))
    | ~ ssItem(sK59(sK50(sK55),nil,sK49(sK55))) ),
    inference(instantiation,[status(thm)],[c_9202]) ).

cnf(c_391651,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_391650,c_391518,c_391519,c_357095,c_334485,c_334484,c_193021,c_141346,c_125769,c_125768,c_25996,c_16272,c_12784,c_12789,c_12790,c_12373,c_9130,c_9340,c_141,c_262]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SWC236+1 : TPTP v8.1.2. Released v2.4.0.
% 0.07/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.34  % Computer : n021.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Mon Aug 28 18:55:13 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.19/0.47  Running first-order theorem proving
% 0.19/0.47  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 163.35/22.34  % SZS status Started for theBenchmark.p
% 163.35/22.34  % SZS status Theorem for theBenchmark.p
% 163.35/22.34  
% 163.35/22.34  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 163.35/22.34  
% 163.35/22.34  ------  iProver source info
% 163.35/22.34  
% 163.35/22.34  git: date: 2023-05-31 18:12:56 +0000
% 163.35/22.34  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 163.35/22.34  git: non_committed_changes: false
% 163.35/22.34  git: last_make_outside_of_git: false
% 163.35/22.34  
% 163.35/22.34  ------ Parsing...
% 163.35/22.34  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 163.35/22.34  
% 163.35/22.34  ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe:1:0s pe:2:0s pe:4:0s pe_e  sup_sim: 0  sf_s  rm: 4 0s  sf_e  pe_s  pe_e 
% 163.35/22.34  
% 163.35/22.34  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 163.35/22.34  
% 163.35/22.34  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 163.35/22.34  ------ Proving...
% 163.35/22.34  ------ Problem Properties 
% 163.35/22.34  
% 163.35/22.34  
% 163.35/22.34  clauses                                 194
% 163.35/22.34  conjectures                             14
% 163.35/22.34  EPR                                     55
% 163.35/22.34  Horn                                    126
% 163.35/22.34  unary                                   23
% 163.35/22.34  binary                                  40
% 163.35/22.34  lits                                    664
% 163.35/22.34  lits eq                                 89
% 163.35/22.34  fd_pure                                 0
% 163.35/22.34  fd_pseudo                               0
% 163.35/22.34  fd_cond                                 21
% 163.35/22.34  fd_pseudo_cond                          14
% 163.35/22.34  AC symbols                              0
% 163.35/22.34  
% 163.35/22.34  ------ Input Options Time Limit: Unbounded
% 163.35/22.34  
% 163.35/22.34  
% 163.35/22.34  ------ 
% 163.35/22.34  Current options:
% 163.35/22.34  ------ 
% 163.35/22.34  
% 163.35/22.34  
% 163.35/22.34  
% 163.35/22.34  
% 163.35/22.34  ------ Proving...
% 163.35/22.34  
% 163.35/22.34  
% 163.35/22.34  % SZS status Theorem for theBenchmark.p
% 163.35/22.34  
% 163.35/22.34  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 163.35/22.34  
% 163.35/22.35  
%------------------------------------------------------------------------------