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FindProof---0.1.THM-Prf.s

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%------------------------------------------------------------------------------
% File     : FindProof---0.1
% Problem  : LCL686+1.005 : TPTP v9.3.1. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300

% Computer : n002.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Fri Sep 25 02:02:40 PM UTC 2026

% Result   : Theorem 7.37s 1.51s
% Output   : Proof 7.37s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    2
% Syntax   : Number of formulae    :   31 (  10 unt;   0 def)
%            Number of atoms       :  614 (   0 equ)
%            Maximal formula atoms :  140 (  19 avg)
%            Number of connectives :  979 ( 396   ~; 333   |; 250   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   66 (  10 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :   17 (  16 usr;   1 prp; 0-2 aty)
%            Number of functors    :   19 (  19 usr;   4 con; 0-1 aty)
%            Number of variables   :  116 (   0 sgn  83   !;  21   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f2,conjecture,
    ~ ? [X] :
        ~ ( ! [Y] :
              ( ~ ! [X] :
                    ( ~ ( ! [Y] :
                            ( ( p1(Y)
                              & p2(Y) )
                            | ( ~ p2(Y)
                              & ~ p1(Y) )
                            | ( p2(Y)
                              & p3(Y) )
                            | ( ~ p3(Y)
                              & ~ p2(Y) )
                            | ( p3(Y)
                              & p4(Y) )
                            | ( ~ p4(Y)
                              & ~ p3(Y) )
                            | ( p4(Y)
                              & p5(Y) )
                            | ( ~ p5(Y)
                              & ~ p4(Y) )
                            | ( p5(Y)
                              & p6(Y) )
                            | ( ~ p6(Y)
                              & ~ p5(Y) )
                            | ( p6(Y)
                              & p7(Y) )
                            | ( ~ p7(Y)
                              & ~ p6(Y) )
                            | ( p7(Y)
                              & p8(Y) )
                            | ( ~ p8(Y)
                              & ~ p7(Y) )
                            | ( p8(Y)
                              & p9(Y) )
                            | ( ~ p9(Y)
                              & ~ p8(Y) )
                            | ( p9(Y)
                              & p10(Y) )
                            | ( ~ p10(Y)
                              & ~ p9(Y) )
                            | ( p10(Y)
                              & p11(Y) )
                            | ( ~ p11(Y)
                              & ~ p10(Y) )
                            | ( p11(Y)
                              & p12(Y) )
                            | ( ~ p12(Y)
                              & ~ p11(Y) )
                            | ( p12(Y)
                              & p13(Y) )
                            | ( ~ p13(Y)
                              & ~ p12(Y) )
                            | ( p13(Y)
                              & p14(Y) )
                            | ( ~ p14(Y)
                              & ~ p13(Y) )
                            | ~ r1(X,Y) )
                        | ! [Y] :
                            ( p15(Y)
                            | ~ r1(X,Y) )
                        | ~ ! [Y] :
                              ( ~ ( ( p1(Y)
                                    & ~ p2(Y) )
                                  | ( ~ p1(Y)
                                    & p2(Y) ) )
                              | ~ r1(X,Y) )
                        | ! [Y] :
                            ( ~ ! [X] :
                                  ( ~ ( ( p2(X)
                                        & ~ p3(X) )
                                      | ( ~ p2(X)
                                        & p3(X) ) )
                                  | ~ r1(Y,X) )
                            | ! [X] :
                                ( ~ ! [Y] :
                                      ( ~ ( ( p3(Y)
                                            & ~ p4(Y) )
                                          | ( ~ p3(Y)
                                            & p4(Y) ) )
                                      | ~ r1(X,Y) )
                                | ! [Y] :
                                    ( ~ ! [X] :
                                          ( ~ ( ( p4(X)
                                                & ~ p5(X) )
                                              | ( ~ p4(X)
                                                & p5(X) ) )
                                          | ~ r1(Y,X) )
                                    | ! [X] :
                                        ( ~ ! [Y] :
                                              ( ~ ( ( p5(Y)
                                                    & ~ p6(Y) )
                                                  | ( ~ p5(Y)
                                                    & p6(Y) ) )
                                              | ~ r1(X,Y) )
                                        | ! [Y] :
                                            ( ~ ! [X] :
                                                  ( ~ ( ( p6(X)
                                                        & ~ p7(X) )
                                                      | ( ~ p6(X)
                                                        & p7(X) ) )
                                                  | ~ r1(Y,X) )
                                            | ! [X] :
                                                ( ~ ! [Y] :
                                                      ( ~ ( ( p7(Y)
                                                            & ~ p8(Y) )
                                                          | ( ~ p7(Y)
                                                            & p8(Y) ) )
                                                      | ~ r1(X,Y) )
                                                | ! [Y] :
                                                    ( ~ ! [X] :
                                                          ( ~ ( ( p8(X)
                                                                & ~ p9(X) )
                                                              | ( ~ p8(X)
                                                                & p9(X) ) )
                                                          | ~ r1(Y,X) )
                                                    | ! [X] :
                                                        ( ~ ! [Y] :
                                                              ( ~ ( ( p9(Y)
                                                                    & ~ p10(Y) )
                                                                  | ( ~ p9(Y)
                                                                    & p10(Y) ) )
                                                              | ~ r1(X,Y) )
                                                        | ! [Y] :
                                                            ( ~ ! [X] :
                                                                  ( ~ ( ( p10(X)
                                                                        & ~ p11(X) )
                                                                      | ( ~ p10(X)
                                                                        & p11(X) ) )
                                                                  | ~ r1(Y,X) )
                                                            | ! [X] :
                                                                ( ~ ! [Y] :
                                                                      ( ~ ( ( p11(Y)
                                                                            & ~ p12(Y) )
                                                                          | ( ~ p11(Y)
                                                                            & p12(Y) ) )
                                                                      | ~ r1(X,Y) )
                                                                | ! [Y] :
                                                                    ( ~ ! [X] :
                                                                          ( ~ ( ( p12(X)
                                                                                & ~ p13(X) )
                                                                              | ( ~ p12(X)
                                                                                & p13(X) ) )
                                                                          | ~ r1(Y,X) )
                                                                    | ! [X] :
                                                                        ( ~ ! [Y] :
                                                                              ( ~ ( ( p13(Y)
                                                                                    & ~ p14(Y) )
                                                                                  | ( ~ p13(Y)
                                                                                    & p14(Y) ) )
                                                                              | ~ r1(X,Y) )
                                                                        | ! [Y] :
                                                                            ( $false
                                                                            | ~ r1(X,Y) )
                                                                        | ~ r1(Y,X) )
                                                                    | ~ r1(X,Y) )
                                                                | ~ r1(Y,X) )
                                                            | ~ r1(X,Y) )
                                                        | ~ r1(Y,X) )
                                                    | ~ r1(X,Y) )
                                                | ~ r1(Y,X) )
                                            | ~ r1(X,Y) )
                                        | ~ r1(Y,X) )
                                    | ~ r1(X,Y) )
                                | ~ r1(Y,X) )
                            | ~ r1(X,Y) ) )
                    | ~ r1(Y,X) )
              | ~ r1(X,Y) )
          | ! [Y] :
              ( ! [X] :
                  ( ~ p1(X)
                  | ~ r1(Y,X) )
              | ~ p15(Y)
              | ~ r1(X,Y) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',main) ).

fof(f2_neg,negated_conjecture,
    ~ ~ ? [X] :
          ~ ( ! [Y] :
                ( ~ ! [X] :
                      ( ~ ( ! [Y] :
                              ( ( p1(Y)
                                & p2(Y) )
                              | ( ~ p2(Y)
                                & ~ p1(Y) )
                              | ( p2(Y)
                                & p3(Y) )
                              | ( ~ p3(Y)
                                & ~ p2(Y) )
                              | ( p3(Y)
                                & p4(Y) )
                              | ( ~ p4(Y)
                                & ~ p3(Y) )
                              | ( p4(Y)
                                & p5(Y) )
                              | ( ~ p5(Y)
                                & ~ p4(Y) )
                              | ( p5(Y)
                                & p6(Y) )
                              | ( ~ p6(Y)
                                & ~ p5(Y) )
                              | ( p6(Y)
                                & p7(Y) )
                              | ( ~ p7(Y)
                                & ~ p6(Y) )
                              | ( p7(Y)
                                & p8(Y) )
                              | ( ~ p8(Y)
                                & ~ p7(Y) )
                              | ( p8(Y)
                                & p9(Y) )
                              | ( ~ p9(Y)
                                & ~ p8(Y) )
                              | ( p9(Y)
                                & p10(Y) )
                              | ( ~ p10(Y)
                                & ~ p9(Y) )
                              | ( p10(Y)
                                & p11(Y) )
                              | ( ~ p11(Y)
                                & ~ p10(Y) )
                              | ( p11(Y)
                                & p12(Y) )
                              | ( ~ p12(Y)
                                & ~ p11(Y) )
                              | ( p12(Y)
                                & p13(Y) )
                              | ( ~ p13(Y)
                                & ~ p12(Y) )
                              | ( p13(Y)
                                & p14(Y) )
                              | ( ~ p14(Y)
                                & ~ p13(Y) )
                              | ~ r1(X,Y) )
                          | ! [Y] :
                              ( p15(Y)
                              | ~ r1(X,Y) )
                          | ~ ! [Y] :
                                ( ~ ( ( p1(Y)
                                      & ~ p2(Y) )
                                    | ( ~ p1(Y)
                                      & p2(Y) ) )
                                | ~ r1(X,Y) )
                          | ! [Y] :
                              ( ~ ! [X] :
                                    ( ~ ( ( p2(X)
                                          & ~ p3(X) )
                                        | ( ~ p2(X)
                                          & p3(X) ) )
                                    | ~ r1(Y,X) )
                              | ! [X] :
                                  ( ~ ! [Y] :
                                        ( ~ ( ( p3(Y)
                                              & ~ p4(Y) )
                                            | ( ~ p3(Y)
                                              & p4(Y) ) )
                                        | ~ r1(X,Y) )
                                  | ! [Y] :
                                      ( ~ ! [X] :
                                            ( ~ ( ( p4(X)
                                                  & ~ p5(X) )
                                                | ( ~ p4(X)
                                                  & p5(X) ) )
                                            | ~ r1(Y,X) )
                                      | ! [X] :
                                          ( ~ ! [Y] :
                                                ( ~ ( ( p5(Y)
                                                      & ~ p6(Y) )
                                                    | ( ~ p5(Y)
                                                      & p6(Y) ) )
                                                | ~ r1(X,Y) )
                                          | ! [Y] :
                                              ( ~ ! [X] :
                                                    ( ~ ( ( p6(X)
                                                          & ~ p7(X) )
                                                        | ( ~ p6(X)
                                                          & p7(X) ) )
                                                    | ~ r1(Y,X) )
                                              | ! [X] :
                                                  ( ~ ! [Y] :
                                                        ( ~ ( ( p7(Y)
                                                              & ~ p8(Y) )
                                                            | ( ~ p7(Y)
                                                              & p8(Y) ) )
                                                        | ~ r1(X,Y) )
                                                  | ! [Y] :
                                                      ( ~ ! [X] :
                                                            ( ~ ( ( p8(X)
                                                                  & ~ p9(X) )
                                                                | ( ~ p8(X)
                                                                  & p9(X) ) )
                                                            | ~ r1(Y,X) )
                                                      | ! [X] :
                                                          ( ~ ! [Y] :
                                                                ( ~ ( ( p9(Y)
                                                                      & ~ p10(Y) )
                                                                    | ( ~ p9(Y)
                                                                      & p10(Y) ) )
                                                                | ~ r1(X,Y) )
                                                          | ! [Y] :
                                                              ( ~ ! [X] :
                                                                    ( ~ ( ( p10(X)
                                                                          & ~ p11(X) )
                                                                        | ( ~ p10(X)
                                                                          & p11(X) ) )
                                                                    | ~ r1(Y,X) )
                                                              | ! [X] :
                                                                  ( ~ ! [Y] :
                                                                        ( ~ ( ( p11(Y)
                                                                              & ~ p12(Y) )
                                                                            | ( ~ p11(Y)
                                                                              & p12(Y) ) )
                                                                        | ~ r1(X,Y) )
                                                                  | ! [Y] :
                                                                      ( ~ ! [X] :
                                                                            ( ~ ( ( p12(X)
                                                                                  & ~ p13(X) )
                                                                                | ( ~ p12(X)
                                                                                  & p13(X) ) )
                                                                            | ~ r1(Y,X) )
                                                                      | ! [X] :
                                                                          ( ~ ! [Y] :
                                                                                ( ~ ( ( p13(Y)
                                                                                      & ~ p14(Y) )
                                                                                    | ( ~ p13(Y)
                                                                                      & p14(Y) ) )
                                                                                | ~ r1(X,Y) )
                                                                          | ! [Y] :
                                                                              ( $false
                                                                              | ~ r1(X,Y) )
                                                                          | ~ r1(Y,X) )
                                                                      | ~ r1(X,Y) )
                                                                  | ~ r1(Y,X) )
                                                              | ~ r1(X,Y) )
                                                          | ~ r1(Y,X) )
                                                      | ~ r1(X,Y) )
                                                  | ~ r1(Y,X) )
                                              | ~ r1(X,Y) )
                                          | ~ r1(Y,X) )
                                      | ~ r1(X,Y) )
                                  | ~ r1(Y,X) )
                              | ~ r1(X,Y) ) )
                      | ~ r1(Y,X) )
                | ~ r1(X,Y) )
            | ! [Y] :
                ( ! [X] :
                    ( ~ p1(X)
                    | ~ r1(Y,X) )
                | ~ p15(Y)
                | ~ r1(X,Y) ) ),
    inference(negated_conjecture,[status(cth)],[f2]) ).

fof(f2_nnf,plain,
    ? [X] :
      ( ? [Y] :
          ( ! [X] :
              ( ( ? [Y] :
                    ( ( ~ p1(Y)
                      | ~ p2(Y) )
                    & ( p2(Y)
                      | p1(Y) )
                    & ( ~ p2(Y)
                      | ~ p3(Y) )
                    & ( p3(Y)
                      | p2(Y) )
                    & ( ~ p3(Y)
                      | ~ p4(Y) )
                    & ( p4(Y)
                      | p3(Y) )
                    & ( ~ p4(Y)
                      | ~ p5(Y) )
                    & ( p5(Y)
                      | p4(Y) )
                    & ( ~ p5(Y)
                      | ~ p6(Y) )
                    & ( p6(Y)
                      | p5(Y) )
                    & ( ~ p6(Y)
                      | ~ p7(Y) )
                    & ( p7(Y)
                      | p6(Y) )
                    & ( ~ p7(Y)
                      | ~ p8(Y) )
                    & ( p8(Y)
                      | p7(Y) )
                    & ( ~ p8(Y)
                      | ~ p9(Y) )
                    & ( p9(Y)
                      | p8(Y) )
                    & ( ~ p9(Y)
                      | ~ p10(Y) )
                    & ( p10(Y)
                      | p9(Y) )
                    & ( ~ p10(Y)
                      | ~ p11(Y) )
                    & ( p11(Y)
                      | p10(Y) )
                    & ( ~ p11(Y)
                      | ~ p12(Y) )
                    & ( p12(Y)
                      | p11(Y) )
                    & ( ~ p12(Y)
                      | ~ p13(Y) )
                    & ( p13(Y)
                      | p12(Y) )
                    & ( ~ p13(Y)
                      | ~ p14(Y) )
                    & ( p14(Y)
                      | p13(Y) )
                    & r1(X,Y) )
                & ? [Y] :
                    ( ~ p15(Y)
                    & r1(X,Y) )
                & ! [Y] :
                    ( ( ( ~ p1(Y)
                        | p2(Y) )
                      & ( p1(Y)
                        | ~ p2(Y) ) )
                    | ~ r1(X,Y) )
                & ? [Y] :
                    ( ! [X] :
                        ( ( ( ~ p2(X)
                            | p3(X) )
                          & ( p2(X)
                            | ~ p3(X) ) )
                        | ~ r1(Y,X) )
                    & ? [X] :
                        ( ! [Y] :
                            ( ( ( ~ p3(Y)
                                | p4(Y) )
                              & ( p3(Y)
                                | ~ p4(Y) ) )
                            | ~ r1(X,Y) )
                        & ? [Y] :
                            ( ! [X] :
                                ( ( ( ~ p4(X)
                                    | p5(X) )
                                  & ( p4(X)
                                    | ~ p5(X) ) )
                                | ~ r1(Y,X) )
                            & ? [X] :
                                ( ! [Y] :
                                    ( ( ( ~ p5(Y)
                                        | p6(Y) )
                                      & ( p5(Y)
                                        | ~ p6(Y) ) )
                                    | ~ r1(X,Y) )
                                & ? [Y] :
                                    ( ! [X] :
                                        ( ( ( ~ p6(X)
                                            | p7(X) )
                                          & ( p6(X)
                                            | ~ p7(X) ) )
                                        | ~ r1(Y,X) )
                                    & ? [X] :
                                        ( ! [Y] :
                                            ( ( ( ~ p7(Y)
                                                | p8(Y) )
                                              & ( p7(Y)
                                                | ~ p8(Y) ) )
                                            | ~ r1(X,Y) )
                                        & ? [Y] :
                                            ( ! [X] :
                                                ( ( ( ~ p8(X)
                                                    | p9(X) )
                                                  & ( p8(X)
                                                    | ~ p9(X) ) )
                                                | ~ r1(Y,X) )
                                            & ? [X] :
                                                ( ! [Y] :
                                                    ( ( ( ~ p9(Y)
                                                        | p10(Y) )
                                                      & ( p9(Y)
                                                        | ~ p10(Y) ) )
                                                    | ~ r1(X,Y) )
                                                & ? [Y] :
                                                    ( ! [X] :
                                                        ( ( ( ~ p10(X)
                                                            | p11(X) )
                                                          & ( p10(X)
                                                            | ~ p11(X) ) )
                                                        | ~ r1(Y,X) )
                                                    & ? [X] :
                                                        ( ! [Y] :
                                                            ( ( ( ~ p11(Y)
                                                                | p12(Y) )
                                                              & ( p11(Y)
                                                                | ~ p12(Y) ) )
                                                            | ~ r1(X,Y) )
                                                        & ? [Y] :
                                                            ( ! [X] :
                                                                ( ( ( ~ p12(X)
                                                                    | p13(X) )
                                                                  & ( p12(X)
                                                                    | ~ p13(X) ) )
                                                                | ~ r1(Y,X) )
                                                            & ? [X] :
                                                                ( ! [Y] :
                                                                    ( ( ( ~ p13(Y)
                                                                        | p14(Y) )
                                                                      & ( p13(Y)
                                                                        | ~ p14(Y) ) )
                                                                    | ~ r1(X,Y) )
                                                                & ? [Y] :
                                                                    ( ~ $false
                                                                    & r1(X,Y) )
                                                                & r1(Y,X) )
                                                            & r1(X,Y) )
                                                        & r1(Y,X) )
                                                    & r1(X,Y) )
                                                & r1(Y,X) )
                                            & r1(X,Y) )
                                        & r1(Y,X) )
                                    & r1(X,Y) )
                                & r1(Y,X) )
                            & r1(X,Y) )
                        & r1(Y,X) )
                    & r1(X,Y) ) )
              | ~ r1(Y,X) )
          & r1(X,Y) )
      & ? [Y] :
          ( ? [X] :
              ( p1(X)
              & r1(Y,X) )
          & p15(Y)
          & r1(X,Y) ) ),
    inference(nnf_transformation,[status(thm)],[f2_neg]) ).

fof(f2_sk,plain,
    ! [X,Y] :
      ( ( ( ( ~ p1(sk18(X))
            | ~ p2(sk18(X)) )
          & ( p2(sk18(X))
            | p1(sk18(X)) )
          & ( ~ p2(sk18(X))
            | ~ p3(sk18(X)) )
          & ( p3(sk18(X))
            | p2(sk18(X)) )
          & ( ~ p3(sk18(X))
            | ~ p4(sk18(X)) )
          & ( p4(sk18(X))
            | p3(sk18(X)) )
          & ( ~ p4(sk18(X))
            | ~ p5(sk18(X)) )
          & ( p5(sk18(X))
            | p4(sk18(X)) )
          & ( ~ p5(sk18(X))
            | ~ p6(sk18(X)) )
          & ( p6(sk18(X))
            | p5(sk18(X)) )
          & ( ~ p6(sk18(X))
            | ~ p7(sk18(X)) )
          & ( p7(sk18(X))
            | p6(sk18(X)) )
          & ( ~ p7(sk18(X))
            | ~ p8(sk18(X)) )
          & ( p8(sk18(X))
            | p7(sk18(X)) )
          & ( ~ p8(sk18(X))
            | ~ p9(sk18(X)) )
          & ( p9(sk18(X))
            | p8(sk18(X)) )
          & ( ~ p9(sk18(X))
            | ~ p10(sk18(X)) )
          & ( p10(sk18(X))
            | p9(sk18(X)) )
          & ( ~ p10(sk18(X))
            | ~ p11(sk18(X)) )
          & ( p11(sk18(X))
            | p10(sk18(X)) )
          & ( ~ p11(sk18(X))
            | ~ p12(sk18(X)) )
          & ( p12(sk18(X))
            | p11(sk18(X)) )
          & ( ~ p12(sk18(X))
            | ~ p13(sk18(X)) )
          & ( p13(sk18(X))
            | p12(sk18(X)) )
          & ( ~ p13(sk18(X))
            | ~ p14(sk18(X)) )
          & ( p14(sk18(X))
            | p13(sk18(X)) )
          & r1(X,sk18(X))
          & ~ p15(sk17(X))
          & r1(X,sk17(X))
          & ( ( ( ~ p1(Y)
                | p2(Y) )
              & ( p1(Y)
                | ~ p2(Y) ) )
            | ~ r1(X,Y) )
          & ( ( ( ~ p2(X)
                | p3(X) )
              & ( p2(X)
                | ~ p3(X) ) )
            | ~ r1(sk4(X),X) )
          & ( ( ( ~ p3(Y)
                | p4(Y) )
              & ( p3(Y)
                | ~ p4(Y) ) )
            | ~ r1(sk5(X),Y) )
          & ( ( ( ~ p4(X)
                | p5(X) )
              & ( p4(X)
                | ~ p5(X) ) )
            | ~ r1(sk6(X),X) )
          & ( ( ( ~ p5(Y)
                | p6(Y) )
              & ( p5(Y)
                | ~ p6(Y) ) )
            | ~ r1(sk7(X),Y) )
          & ( ( ( ~ p6(X)
                | p7(X) )
              & ( p6(X)
                | ~ p7(X) ) )
            | ~ r1(sk8(X),X) )
          & ( ( ( ~ p7(Y)
                | p8(Y) )
              & ( p7(Y)
                | ~ p8(Y) ) )
            | ~ r1(sk9(X),Y) )
          & ( ( ( ~ p8(X)
                | p9(X) )
              & ( p8(X)
                | ~ p9(X) ) )
            | ~ r1(sk10(X),X) )
          & ( ( ( ~ p9(Y)
                | p10(Y) )
              & ( p9(Y)
                | ~ p10(Y) ) )
            | ~ r1(sk11(X),Y) )
          & ( ( ( ~ p10(X)
                | p11(X) )
              & ( p10(X)
                | ~ p11(X) ) )
            | ~ r1(sk12(X),X) )
          & ( ( ( ~ p11(Y)
                | p12(Y) )
              & ( p11(Y)
                | ~ p12(Y) ) )
            | ~ r1(sk13(X),Y) )
          & ( ( ( ~ p12(X)
                | p13(X) )
              & ( p12(X)
                | ~ p13(X) ) )
            | ~ r1(sk14(X),X) )
          & ( ( ( ~ p13(Y)
                | p14(Y) )
              & ( p13(Y)
                | ~ p14(Y) ) )
            | ~ r1(sk15(X),Y) )
          & ~ $false
          & r1(sk15(X),sk16(X))
          & r1(sk14(sk15(X)),sk15(X))
          & r1(sk13(X),sk14(X))
          & r1(sk12(sk13(X)),sk13(X))
          & r1(sk11(X),sk12(X))
          & r1(sk10(sk11(X)),sk11(X))
          & r1(sk9(X),sk10(X))
          & r1(sk8(sk9(X)),sk9(X))
          & r1(sk7(X),sk8(X))
          & r1(sk6(sk7(X)),sk7(X))
          & r1(sk5(X),sk6(X))
          & r1(sk4(sk5(X)),sk5(X))
          & r1(X,sk4(X)) )
        | ~ r1(sk3,X) )
      & r1(sk0,sk3)
      & p1(sk2)
      & r1(sk1,sk2)
      & p15(sk1)
      & r1(sk0,sk1) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sk0,sk1,sk2,sk3,sk4,sk5,sk6,sk7,sk8,sk9,sk10,sk11,sk12,sk13,sk14,sk15,sk16,sk17,sk18])],[f2_nnf]) ).

cnf(c46,plain,
    ( ~ p1(X1)
    | p2(X1)
    | ~ r1(X0,X1)
    | ~ r1(sk3,X0) ),
    inference(cnf_transformation,[status(esa)],[f2_sk]) ).

fof(f0,axiom,
    ! [X] : r1(X,X),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',reflexivity) ).

fof(f0_nnf,plain,
    ! [X] : r1(X,X),
    inference(nnf_transformation,[status(thm)],[f0]) ).

fof(f0_sk,plain,
    ! [X] : r1(X,X),
    inference(skolemisation,[status(esa)],[f0_nnf]) ).

cnf(c0,plain,
    r1(X0,X0),
    inference(cnf_transformation,[status(esa)],[f0_sk]) ).

cnf(p882,plain,
    ( ~ p1(X0)
    | p2(X0)
    | ~ r1(sk3,X0) ),
    inference(resolution,[status(thm)],[c46,c0]) ).

cnf(c49,plain,
    ( r1(X0,sk18(X0))
    | ~ r1(sk3,X0) ),
    inference(cnf_transformation,[status(esa)],[f2_sk]) ).

cnf(p135,plain,
    r1(sk3,sk18(sk3)),
    inference(resolution,[status(thm)],[c49,c0]) ).

cnf(p3252,plain,
    ( ~ p1(sk18(sk3))
    | p2(sk18(sk3)) ),
    inference(resolution,[status(thm)],[p882,p135]) ).

cnf(c45,plain,
    ( p1(X1)
    | ~ p2(X1)
    | ~ r1(X0,X1)
    | ~ r1(sk3,X0) ),
    inference(cnf_transformation,[status(esa)],[f2_sk]) ).

cnf(p862,plain,
    ( p1(X0)
    | ~ p2(X0)
    | ~ r1(sk3,X0) ),
    inference(resolution,[status(thm)],[c45,c0]) ).

cnf(p3192,plain,
    ( p1(sk18(sk3))
    | ~ p2(sk18(sk3)) ),
    inference(resolution,[status(thm)],[p862,p135]) ).

cnf(c74,plain,
    ( p2(sk18(X0))
    | p1(sk18(X0))
    | ~ r1(sk3,X0) ),
    inference(cnf_transformation,[status(esa)],[f2_sk]) ).

cnf(p2156,plain,
    ( p2(sk18(sk3))
    | p1(sk18(sk3)) ),
    inference(resolution,[status(thm)],[c74,c0]) ).

cnf(p3232,plain,
    ( p1(sk18(sk3))
    | p1(sk18(sk3)) ),
    inference(resolution,[status(thm)],[p3192,p2156]) ).

cnf(p3236,plain,
    p1(sk18(sk3)),
    inference(factoring,[status(thm)],[p3232]) ).

cnf(p3289,plain,
    p2(sk18(sk3)),
    inference(resolution,[status(thm)],[p3252,p3236]) ).

cnf(c75,plain,
    ( ~ p1(sk18(X0))
    | ~ p2(sk18(X0))
    | ~ r1(sk3,X0) ),
    inference(cnf_transformation,[status(esa)],[f2_sk]) ).

cnf(p2189,plain,
    ( ~ p1(sk18(sk3))
    | ~ p2(sk18(sk3)) ),
    inference(resolution,[status(thm)],[c75,c0]) ).

cnf(c72,plain,
    ( p3(sk18(X0))
    | p2(sk18(X0))
    | ~ r1(sk3,X0) ),
    inference(cnf_transformation,[status(esa)],[f2_sk]) ).

cnf(p2096,plain,
    ( p3(sk18(sk3))
    | p2(sk18(sk3)) ),
    inference(resolution,[status(thm)],[c72,c0]) ).

cnf(p2219,plain,
    ( p3(sk18(sk3))
    | ~ p1(sk18(sk3)) ),
    inference(resolution,[status(thm)],[p2189,p2096]) ).

cnf(p3237,plain,
    p3(sk18(sk3)),
    inference(resolution,[status(thm)],[p3236,p2219]) ).

cnf(c73,plain,
    ( ~ p2(sk18(X0))
    | ~ p3(sk18(X0))
    | ~ r1(sk3,X0) ),
    inference(cnf_transformation,[status(esa)],[f2_sk]) ).

cnf(p2126,plain,
    ( ~ p2(sk18(sk3))
    | ~ p3(sk18(sk3)) ),
    inference(resolution,[status(thm)],[c73,c0]) ).

cnf(p3238,plain,
    ~ p2(sk18(sk3)),
    inference(resolution,[status(thm)],[p3237,p2126]) ).

cnf(p3292,plain,
    $false,
    inference(resolution,[status(thm)],[p3289,p3238]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : LCL686+1.005 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.04  % Command  : run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.11/0.37  % Computer : n002.cluster.edu
% 0.11/0.37  % Model    : x86_64 x86_64
% 0.11/0.37  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.37  % Memory   : 8046.5625MB
% 0.11/0.37  % OS       : Linux 6.8.0-71-generic
% 0.11/0.37  % CPULimit : 300
% 0.11/0.37  % WCLimit  : 300
% 0.11/0.37  % DateTime : Thu Sep 24 00:22:48 UTC 2026
% 0.11/0.37  % CPUTime  : 
% 0.11/0.37  Running run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 7.37/1.51  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 7.37/1.51  % SZS output start Proof for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
%------------------------------------------------------------------------------