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Vampire---5.0.1.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Vampire---5.0.1
% Problem  : SEV515+1 : TPTP v9.3.1. Released v7.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM

% Computer : n026.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 : Tue Sep 29 12:57:52 PM UTC 2026

% Result   : Theorem 2.77s 1.29s
% Output   : Refutation 3.58s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   24
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   63 (   7 unt;   1 def)
%            Number of atoms       :  354 (   0 equ)
%            Maximal formula atoms :   24 (   5 avg)
%            Number of connectives :  444 ( 153   ~; 211   |;  80   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   6 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    5 (   4 usr;   2 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-1 aty)
%            Number of variables   :  110 (  85   !;  25   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,conjecture,
    ( ! [X0] :
      ? [X1] :
        ( ( g_true_only(X1,X0)
          & ( g_both(X1,X1)
            | g_true_only(X1,X1) ) )
        | ( g_both(X1,X0)
          & ( g_false_only(X1,X1)
            | g_true_only(X1,X1) ) )
        | ( g_false_only(X1,X0)
          & ( g_false_only(X1,X1)
            | g_both(X1,X1) ) ) )
    | ( ? [X0] :
          ( ? [X1] :
              ( g_both(X1,X0)
              & g_both(X1,X1) )
          & ~ ? [X1] :
                ( ( g_true_only(X1,X0)
                  & ( g_both(X1,X1)
                    | g_true_only(X1,X1) ) )
                | ( g_both(X1,X0)
                  & ( g_false_only(X1,X1)
                    | g_true_only(X1,X1) ) )
                | ( g_false_only(X1,X0)
                  & ( g_false_only(X1,X1)
                    | g_both(X1,X1) ) ) ) )
      & ~ ? [X0] :
          ! [X1] :
            ( ( g_true_only(X1,X0)
              & g_false_only(X1,X1) )
            | ( g_false_only(X1,X0)
              & g_true_only(X1,X1) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',nc1) ).

fof(f2,negated_conjecture,
    ~ ( ! [X0] :
        ? [X1] :
          ( ( g_true_only(X1,X0)
            & ( g_both(X1,X1)
              | g_true_only(X1,X1) ) )
          | ( g_both(X1,X0)
            & ( g_false_only(X1,X1)
              | g_true_only(X1,X1) ) )
          | ( g_false_only(X1,X0)
            & ( g_false_only(X1,X1)
              | g_both(X1,X1) ) ) )
      | ( ? [X0] :
            ( ? [X1] :
                ( g_both(X1,X0)
                & g_both(X1,X1) )
            & ~ ? [X1] :
                  ( ( g_true_only(X1,X0)
                    & ( g_both(X1,X1)
                      | g_true_only(X1,X1) ) )
                  | ( g_both(X1,X0)
                    & ( g_false_only(X1,X1)
                      | g_true_only(X1,X1) ) )
                  | ( g_false_only(X1,X0)
                    & ( g_false_only(X1,X1)
                      | g_both(X1,X1) ) ) ) )
        & ~ ? [X0] :
            ! [X1] :
              ( ( g_true_only(X1,X0)
                & g_false_only(X1,X1) )
              | ( g_false_only(X1,X0)
                & g_true_only(X1,X1) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f1]) ).

fof(f6,axiom,
    ! [X0,X1] :
      ( g_true_only(X0,X1)
      | g_both(X0,X1)
      | g_false_only(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',exhaustion_g) ).

fof(f7,plain,
    ~ ( ! [X0] :
        ? [X1] :
          ( ( g_true_only(X1,X0)
            & ( g_both(X1,X1)
              | g_true_only(X1,X1) ) )
          | ( g_both(X1,X0)
            & ( g_false_only(X1,X1)
              | g_true_only(X1,X1) ) )
          | ( g_false_only(X1,X0)
            & ( g_false_only(X1,X1)
              | g_both(X1,X1) ) ) )
      | ( ? [X2] :
            ( ? [X3] :
                ( g_both(X3,X2)
                & g_both(X3,X3) )
            & ~ ? [X4] :
                  ( ( g_true_only(X4,X2)
                    & ( g_both(X4,X4)
                      | g_true_only(X4,X4) ) )
                  | ( g_both(X4,X2)
                    & ( g_false_only(X4,X4)
                      | g_true_only(X4,X4) ) )
                  | ( g_false_only(X4,X2)
                    & ( g_false_only(X4,X4)
                      | g_both(X4,X4) ) ) ) )
        & ~ ? [X5] :
            ! [X6] :
              ( ( g_true_only(X6,X5)
                & g_false_only(X6,X6) )
              | ( g_false_only(X6,X5)
                & g_true_only(X6,X6) ) ) ) ),
    inference(rectify,[],[f2]) ).

fof(f8,plain,
    ( ? [X0] :
      ! [X1] :
        ( ( ~ g_true_only(X1,X0)
          | ( ~ g_both(X1,X1)
            & ~ g_true_only(X1,X1) ) )
        & ( ~ g_both(X1,X0)
          | ( ~ g_false_only(X1,X1)
            & ~ g_true_only(X1,X1) ) )
        & ( ~ g_false_only(X1,X0)
          | ( ~ g_false_only(X1,X1)
            & ~ g_both(X1,X1) ) ) )
    & ( ! [X2] :
          ( ! [X3] :
              ( ~ g_both(X3,X2)
              | ~ g_both(X3,X3) )
          | ? [X4] :
              ( ( g_true_only(X4,X2)
                & ( g_both(X4,X4)
                  | g_true_only(X4,X4) ) )
              | ( g_both(X4,X2)
                & ( g_false_only(X4,X4)
                  | g_true_only(X4,X4) ) )
              | ( g_false_only(X4,X2)
                & ( g_false_only(X4,X4)
                  | g_both(X4,X4) ) ) ) )
      | ? [X5] :
        ! [X6] :
          ( ( g_true_only(X6,X5)
            & g_false_only(X6,X6) )
          | ( g_false_only(X6,X5)
            & g_true_only(X6,X6) ) ) ) ),
    inference(ennf_transformation,[],[f7]) ).

fof(f9,definition,
    ( ! [X2] :
        ( ! [X3] :
            ( ~ g_both(X3,X2)
            | ~ g_both(X3,X3) )
        | ? [X4] :
            ( ( g_true_only(X4,X2)
              & ( g_both(X4,X4)
                | g_true_only(X4,X4) ) )
            | ( g_both(X4,X2)
              & ( g_false_only(X4,X4)
                | g_true_only(X4,X4) ) )
            | ( g_false_only(X4,X2)
              & ( g_false_only(X4,X4)
                | g_both(X4,X4) ) ) ) )
    | ~ sP0 ),
    introduced(definition,[new_symbols(definition,[sP0])],[predicate_definition_introduction]) ).

fof(f10,plain,
    ( ? [X0] :
      ! [X1] :
        ( ( ~ g_true_only(X1,X0)
          | ( ~ g_both(X1,X1)
            & ~ g_true_only(X1,X1) ) )
        & ( ~ g_both(X1,X0)
          | ( ~ g_false_only(X1,X1)
            & ~ g_true_only(X1,X1) ) )
        & ( ~ g_false_only(X1,X0)
          | ( ~ g_false_only(X1,X1)
            & ~ g_both(X1,X1) ) ) )
    & ( sP0
      | ? [X5] :
        ! [X6] :
          ( ( g_true_only(X6,X5)
            & g_false_only(X6,X6) )
          | ( g_false_only(X6,X5)
            & g_true_only(X6,X6) ) ) ) ),
    inference(definition_folding,[],[f8,f9]) ).

fof(f11,plain,
    ( ! [X2] :
        ( ! [X3] :
            ( ~ g_both(X3,X2)
            | ~ g_both(X3,X3) )
        | ? [X4] :
            ( ( g_true_only(X4,X2)
              & ( g_both(X4,X4)
                | g_true_only(X4,X4) ) )
            | ( g_both(X4,X2)
              & ( g_false_only(X4,X4)
                | g_true_only(X4,X4) ) )
            | ( g_false_only(X4,X2)
              & ( g_false_only(X4,X4)
                | g_both(X4,X4) ) ) ) )
    | ~ sP0 ),
    inference(nnf_transformation,[],[f9]) ).

fof(f12,plain,
    ( ! [X0] :
        ( ! [X1] :
            ( ~ g_both(X1,X0)
            | ~ g_both(X1,X1) )
        | ? [X2] :
            ( ( g_true_only(X2,X0)
              & ( g_both(X2,X2)
                | g_true_only(X2,X2) ) )
            | ( g_both(X2,X0)
              & ( g_false_only(X2,X2)
                | g_true_only(X2,X2) ) )
            | ( g_false_only(X2,X0)
              & ( g_false_only(X2,X2)
                | g_both(X2,X2) ) ) ) )
    | ~ sP0 ),
    inference(rectify,[],[f11]) ).

fof(f13,plain,
    ( ! [X0] :
        ( ! [X1] :
            ( ~ g_both(X1,X0)
            | ~ g_both(X1,X1) )
        | ( g_true_only(sK1(X0),X0)
          & ( g_both(sK1(X0),sK1(X0))
            | g_true_only(sK1(X0),sK1(X0)) ) )
        | ( g_both(sK1(X0),X0)
          & ( g_false_only(sK1(X0),sK1(X0))
            | g_true_only(sK1(X0),sK1(X0)) ) )
        | ( g_false_only(sK1(X0),X0)
          & ( g_false_only(sK1(X0),sK1(X0))
            | g_both(sK1(X0),sK1(X0)) ) ) )
    | ~ sP0 ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK1]),skolemize(X2,sK1(X0))],[f12]) ).

fof(f14,plain,
    ( ? [X0] :
      ! [X1] :
        ( ( ~ g_true_only(X1,X0)
          | ( ~ g_both(X1,X1)
            & ~ g_true_only(X1,X1) ) )
        & ( ~ g_both(X1,X0)
          | ( ~ g_false_only(X1,X1)
            & ~ g_true_only(X1,X1) ) )
        & ( ~ g_false_only(X1,X0)
          | ( ~ g_false_only(X1,X1)
            & ~ g_both(X1,X1) ) ) )
    & ( sP0
      | ? [X2] :
        ! [X3] :
          ( ( g_true_only(X3,X2)
            & g_false_only(X3,X3) )
          | ( g_false_only(X3,X2)
            & g_true_only(X3,X3) ) ) ) ),
    inference(rectify,[],[f10]) ).

fof(f15,plain,
    ( ! [X1] :
        ( ( ~ g_true_only(X1,sK2)
          | ( ~ g_both(X1,X1)
            & ~ g_true_only(X1,X1) ) )
        & ( ~ g_both(X1,sK2)
          | ( ~ g_false_only(X1,X1)
            & ~ g_true_only(X1,X1) ) )
        & ( ~ g_false_only(X1,sK2)
          | ( ~ g_false_only(X1,X1)
            & ~ g_both(X1,X1) ) ) )
    & ( sP0
      | ! [X3] :
          ( ( g_true_only(X3,sK3)
            & g_false_only(X3,X3) )
          | ( g_false_only(X3,sK3)
            & g_true_only(X3,X3) ) ) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK2,sK3]),skolemize(X0,sK2),skolemize(X2,sK3)],[f14]) ).

fof(f25,plain,
    ! [X0,X1] :
      ( ~ g_both(X1,X0)
      | ~ g_both(X1,X1)
      | g_both(sK1(X0),sK1(X0))
      | g_true_only(sK1(X0),sK1(X0))
      | g_both(sK1(X0),X0)
      | g_false_only(sK1(X0),X0)
      | ~ sP0 ),
    inference(cnf_transformation,[],[f13]) ).

fof(f27,plain,
    ! [X0,X1] :
      ( ~ g_both(X1,X0)
      | ~ g_both(X1,X1)
      | g_true_only(sK1(X0),X0)
      | g_false_only(sK1(X0),sK1(X0))
      | g_true_only(sK1(X0),sK1(X0))
      | g_false_only(sK1(X0),X0)
      | ~ sP0 ),
    inference(cnf_transformation,[],[f13]) ).

fof(f28,plain,
    ! [X0,X1] :
      ( ~ g_both(X1,X0)
      | ~ g_both(X1,X1)
      | g_true_only(sK1(X0),X0)
      | g_both(sK1(X0),X0)
      | g_false_only(sK1(X0),sK1(X0))
      | g_both(sK1(X0),sK1(X0))
      | ~ sP0 ),
    inference(cnf_transformation,[],[f13]) ).

fof(f30,plain,
    ! [X3] :
      ( g_false_only(X3,X3)
      | sP0
      | g_true_only(X3,X3) ),
    inference(cnf_transformation,[],[f15]) ).

fof(f34,plain,
    ! [X1] :
      ( ~ g_false_only(X1,sK2)
      | ~ g_both(X1,X1) ),
    inference(cnf_transformation,[],[f15]) ).

fof(f35,plain,
    ! [X1] :
      ( ~ g_false_only(X1,sK2)
      | ~ g_false_only(X1,X1) ),
    inference(cnf_transformation,[],[f15]) ).

fof(f36,plain,
    ! [X1] :
      ( ~ g_both(X1,sK2)
      | ~ g_true_only(X1,X1) ),
    inference(cnf_transformation,[],[f15]) ).

fof(f37,plain,
    ! [X1] :
      ( ~ g_false_only(X1,X1)
      | ~ g_both(X1,sK2) ),
    inference(cnf_transformation,[],[f15]) ).

fof(f38,plain,
    ! [X1] :
      ( ~ g_true_only(X1,sK2)
      | ~ g_true_only(X1,X1) ),
    inference(cnf_transformation,[],[f15]) ).

fof(f39,plain,
    ! [X1] :
      ( ~ g_both(X1,X1)
      | ~ g_true_only(X1,sK2) ),
    inference(cnf_transformation,[],[f15]) ).

fof(f40,plain,
    ! [X0,X1] :
      ( g_false_only(X0,X1)
      | g_both(X0,X1)
      | g_true_only(X0,X1) ),
    inference(cnf_transformation,[],[f6]) ).

fof(f54,plain,
    ~ g_false_only(sK2,sK2),
    inference(factoring,[],[f35]) ).

fof(f55,plain,
    ~ g_true_only(sK2,sK2),
    inference(factoring,[],[f38]) ).

fof(f56,plain,
    ( sP0
    | g_true_only(sK2,sK2) ),
    inference(resolution,[],[f30,f54]) ).

fof(f62,plain,
    sP0,
    inference(forward_subsumption_resolution,[],[f56,f55]) ).

fof(f67,plain,
    ! [X0] :
      ( g_both(X0,sK2)
      | g_true_only(X0,sK2)
      | ~ g_false_only(X0,X0) ),
    inference(resolution,[],[f40,f35]) ).

fof(f68,plain,
    ! [X0] :
      ( g_both(X0,sK2)
      | g_true_only(X0,sK2)
      | ~ g_both(X0,X0) ),
    inference(resolution,[],[f40,f34]) ).

fof(f69,plain,
    ( g_both(sK2,sK2)
    | g_true_only(sK2,sK2) ),
    inference(resolution,[],[f40,f54]) ).

fof(f70,plain,
    ! [X0] :
      ( g_both(X0,X0)
      | g_true_only(X0,X0)
      | ~ g_both(X0,sK2) ),
    inference(resolution,[],[f40,f37]) ).

fof(f71,plain,
    ! [X0] :
      ( g_both(X0,X0)
      | ~ g_both(X0,sK2) ),
    inference(forward_subsumption_resolution,[],[f70,f36]) ).

fof(f72,plain,
    g_both(sK2,sK2),
    inference(forward_subsumption_resolution,[],[f69,f55]) ).

fof(f73,plain,
    ! [X0] :
      ( g_both(X0,sK2)
      | ~ g_both(X0,X0) ),
    inference(forward_subsumption_resolution,[],[f68,f39]) ).

fof(f74,plain,
    ! [X0] :
      ( g_true_only(X0,sK2)
      | ~ g_false_only(X0,X0) ),
    inference(forward_subsumption_resolution,[],[f67,f37]) ).

fof(f79,plain,
    ! [X0] :
      ( ~ g_both(X0,sK2)
      | ~ g_true_only(X0,sK2) ),
    inference(resolution,[],[f71,f39]) ).

fof(f106,plain,
    ! [X0,X1] :
      ( g_both(sK1(X0),sK1(X0))
      | ~ g_both(X1,X1)
      | ~ g_both(X1,X0)
      | g_true_only(sK1(X0),sK1(X0))
      | g_both(sK1(X0),X0)
      | g_false_only(sK1(X0),X0) ),
    inference(forward_subsumption_resolution,[],[f25,f62]) ).

fof(f114,plain,
    ! [X0,X1] :
      ( ~ g_both(X0,X0)
      | ~ g_both(X0,X1)
      | g_true_only(sK1(X1),sK1(X1))
      | g_both(sK1(X1),X1)
      | g_false_only(sK1(X1),X1)
      | ~ g_true_only(sK1(X1),sK2) ),
    inference(resolution,[],[f106,f39]) ).

fof(f115,plain,
    ! [X0,X1] :
      ( g_false_only(sK1(X1),X1)
      | ~ g_both(X0,X1)
      | g_both(sK1(X1),X1)
      | ~ g_both(X0,X0)
      | ~ g_true_only(sK1(X1),sK2) ),
    inference(forward_subsumption_resolution,[],[f114,f38]) ).

fof(f125,plain,
    ! [X0,X1] :
      ( g_false_only(sK1(X0),sK1(X0))
      | ~ g_both(X1,X1)
      | g_true_only(sK1(X0),X0)
      | ~ g_both(X1,X0)
      | g_true_only(sK1(X0),sK1(X0))
      | g_false_only(sK1(X0),X0) ),
    inference(forward_subsumption_resolution,[],[f27,f30]) ).

fof(f133,plain,
    ! [X0,X1] :
      ( ~ g_both(X0,X0)
      | g_true_only(sK1(X1),X1)
      | ~ g_both(X0,X1)
      | g_true_only(sK1(X1),sK1(X1))
      | g_false_only(sK1(X1),X1)
      | ~ g_both(sK1(X1),sK2) ),
    inference(resolution,[],[f125,f37]) ).

fof(f134,plain,
    ! [X0,X1] :
      ( g_false_only(sK1(X1),X1)
      | g_true_only(sK1(X1),X1)
      | ~ g_both(X0,X1)
      | ~ g_both(X0,X0)
      | ~ g_both(sK1(X1),sK2) ),
    inference(forward_subsumption_resolution,[],[f133,f36]) ).

fof(f135,plain,
    ! [X0] :
      ( ~ g_both(X0,sK2)
      | g_both(sK1(sK2),sK2)
      | ~ g_both(X0,X0)
      | ~ g_true_only(sK1(sK2),sK2)
      | ~ g_false_only(sK1(sK2),sK1(sK2)) ),
    inference(resolution,[],[f115,f35]) ).

fof(f137,plain,
    ! [X0] :
      ( g_both(sK1(sK2),sK2)
      | ~ g_both(X0,X0)
      | ~ g_true_only(sK1(sK2),sK2)
      | ~ g_false_only(sK1(sK2),sK1(sK2)) ),
    inference(forward_subsumption_resolution,[],[f135,f73]) ).

fof(f138,plain,
    ! [X0] :
      ( ~ g_both(X0,X0)
      | ~ g_true_only(sK1(sK2),sK2)
      | ~ g_false_only(sK1(sK2),sK1(sK2)) ),
    inference(forward_subsumption_resolution,[],[f137,f79]) ).

fof(f139,plain,
    ! [X0] :
      ( ~ g_false_only(sK1(sK2),sK1(sK2))
      | ~ g_both(X0,X0) ),
    inference(forward_subsumption_resolution,[],[f138,f74]) ).

fof(f143,plain,
    ! [X0] :
      ( g_both(sK1(sK2),sK1(sK2))
      | ~ g_both(X0,X0)
      | g_true_only(sK1(sK2),sK1(sK2)) ),
    inference(resolution,[],[f139,f40]) ).

fof(f145,plain,
    ! [X0,X1] :
      ( g_false_only(sK1(X0),sK1(X0))
      | ~ g_both(X1,X1)
      | g_true_only(sK1(X0),X0)
      | g_both(sK1(X0),X0)
      | ~ g_both(X1,X0)
      | g_both(sK1(X0),sK1(X0)) ),
    inference(forward_subsumption_resolution,[],[f28,f62]) ).

fof(f150,plain,
    ! [X0,X1] :
      ( ~ g_both(X0,X0)
      | g_true_only(sK1(sK2),sK2)
      | g_both(sK1(sK2),sK2)
      | ~ g_both(X0,sK2)
      | g_both(sK1(sK2),sK1(sK2))
      | ~ g_both(X1,X1) ),
    inference(resolution,[],[f145,f139]) ).

fof(f154,plain,
    ! [X0,X1] :
      ( ~ g_both(X0,X0)
      | g_true_only(sK1(sK2),sK2)
      | g_both(sK1(sK2),sK2)
      | ~ g_both(X0,sK2)
      | ~ g_both(X1,X1) ),
    inference(forward_subsumption_resolution,[],[f150,f73]) ).

fof(f155,plain,
    ! [X0,X1] :
      ( ~ g_both(X0,X0)
      | g_true_only(sK1(sK2),sK2)
      | g_both(sK1(sK2),sK2)
      | ~ g_both(X1,X1) ),
    inference(forward_subsumption_resolution,[],[f154,f73]) ).

fof(f157,plain,
    ! [X0] :
      ( ~ g_both(X0,X0)
      | g_true_only(sK1(sK2),sK1(sK2))
      | ~ g_true_only(sK1(sK2),sK2) ),
    inference(resolution,[],[f143,f39]) ).

fof(f158,plain,
    ! [X0] :
      ( ~ g_true_only(sK1(sK2),sK2)
      | ~ g_both(X0,X0) ),
    inference(forward_subsumption_resolution,[],[f157,f38]) ).

fof(f161,plain,
    ! [X0,X1] :
      ( g_both(sK1(sK2),sK2)
      | ~ g_both(X0,X0)
      | ~ g_both(X1,X1) ),
    inference(forward_subsumption_resolution,[],[f155,f158]) ).

fof(f167,plain,
    ! [X0] :
      ( g_true_only(sK1(sK2),sK2)
      | ~ g_both(X0,sK2)
      | ~ g_both(X0,X0)
      | ~ g_both(sK1(sK2),sK2)
      | ~ g_both(sK1(sK2),sK1(sK2)) ),
    inference(resolution,[],[f134,f34]) ).

fof(f168,plain,
    ! [X0] :
      ( ~ g_both(X0,sK2)
      | ~ g_both(X0,X0)
      | ~ g_both(sK1(sK2),sK2)
      | ~ g_both(sK1(sK2),sK1(sK2)) ),
    inference(forward_subsumption_resolution,[],[f167,f79]) ).

fof(f169,plain,
    ! [X0] :
      ( ~ g_both(X0,sK2)
      | ~ g_both(X0,X0)
      | ~ g_both(sK1(sK2),sK1(sK2)) ),
    inference(forward_subsumption_resolution,[],[f168,f73]) ).

fof(f170,plain,
    ! [X0] :
      ( ~ g_both(sK1(sK2),sK1(sK2))
      | ~ g_both(X0,sK2) ),
    inference(forward_subsumption_resolution,[],[f169,f71]) ).

fof(f180,plain,
    ! [X0] :
      ( ~ g_both(sK1(sK2),sK2)
      | ~ g_both(X0,sK2) ),
    inference(resolution,[],[f170,f71]) ).

fof(f186,plain,
    ~ g_both(sK1(sK2),sK2),
    inference(factoring,[],[f180]) ).

fof(f197,plain,
    ! [X0,X1] :
      ( ~ g_both(X1,X1)
      | ~ g_both(X0,X0) ),
    inference(resolution,[],[f186,f161]) ).

fof(f216,plain,
    ! [X0] : ~ g_both(X0,X0),
    inference(resolution,[],[f197,f72]) ).

fof(f223,plain,
    $false,
    inference(resolution,[],[f216,f72]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02  % Problem  : SEV515+1 : TPTP v9.3.1. Released v7.0.0.
% 0.00/0.05  % Command  : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.11/0.38  % Computer : n026.cluster.edu
% 0.11/0.38  % Model    : x86_64 x86_64
% 0.11/0.38  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.38  % Memory   : 8046.5625MB
% 0.11/0.38  % OS       : Linux 6.8.0-71-generic
% 0.11/0.38  % CPULimit : 300
% 0.11/0.38  % WCLimit  : 300
% 0.11/0.38  % DateTime : Mon Sep 28 06:32:56 UTC 2026
% 0.11/0.38  % CPUTime  : 
% 0.11/0.38  Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.11/0.42  Running first-order theorem proving
% 0.11/0.42  Running: /export/starexec/sandbox/solver/bin/vampire --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 2.77/1.29  % (3651496)Detected formulas, will run a generic FOF schedule.
% 2.77/1.29  % (3651590)lrs+10_1_ncem=casc2026/models/loop8.pt:sil=128000:tgt=full:npcc=on:drc=off:sp=weighted_frequency:spb=goal:fd=preordered:foolp=on:random_seed=577473132:i=141193_2999 on theBenchmark for (2999ds/141193Mi)
% 2.77/1.29  % (3651594)dis-1010_2:3_sil=16000:sp=reverse_frequency:random_seed=819626858:i=119:av=off:ss=axioms_2999 on theBenchmark for (2999ds/119Mi)
% 2.77/1.29  % (3651591)lrs+11_1_ncem=casc2026/models/loop8.pt:sil=128000:npcc=on:lma=off:spb=units:urr=ec_only:bce=on:s2agt=64:updr=off:random_seed=1449053699:i=134677:sd=20:aac=none:nm=16:ss=included:sgt=10_2999 on theBenchmark for (2999ds/134677Mi)
% 2.77/1.29  % (3651593)lrs+1010_1_to=lpo:sil=32000:sos=on:spb=goal_then_units:bce=on:random_seed=3367316387:i=109:sd=1:ins=1:gsp=on:ss=axioms_2999 on theBenchmark for (2999ds/109Mi)
% 2.77/1.29  % (3651595)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=2110503500:s2a=on:i=139:gtg=position_2999 on theBenchmark for (2999ds/139Mi)
% 2.77/1.29  % (3651592)lrs+1010_1_anc=all:sfv=off:to=kbo:ncem=casc2026/models/loop7.pt:sil=128000:npcc=on:prc=on:sos=all:bsr=unit_only:sac=on:random_seed=2281588798:i=141695:sd=1:nm=32:gsp=on:ss=included_2999 on theBenchmark for (2999ds/141695Mi)
% 2.77/1.29  % (3651594)First to succeed.
% 2.77/1.29  % (3651595)Also succeeded, but the first one will report.
% 2.77/1.29  % (3651594)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-3651496"
% 2.77/1.29  % (3651593)Also succeeded, but the first one will report.
% 2.77/1.29  % (3651596)dis-21_1_sil=8000:lcm=predicate:random_seed=1151078339:st=5:avsq=on:i=129:avsqr=1,16:sd=3:aac=none:ep=RS:fsr=off:ss=included_2999 on theBenchmark for (2999ds/129Mi)
% 2.77/1.29  % (3651596)Also succeeded, but the first one will report.
% 2.77/1.29  % (3651594)Refutation found. Thanks to Tanya!
% 2.77/1.29  % SZS status Theorem for theBenchmark
% 2.77/1.29  % SZS output start Proof for theBenchmark
% See solution above
% 3.58/1.50  % (3651594)------------------------------
% 3.58/1.50  % (3651594)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.58/1.50  % (3651594)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.58/1.50  % (3651594)CaDiCaL version: 2.1.3
% 3.58/1.50  % (3651594)Termination reason: Refutation
% 3.58/1.50  % (3651594)Time elapsed: 0.005 s
% 3.58/1.50  % (3651594)Peak memory usage: 88 MB
% 3.58/1.50  % (3651594)Instructions burned: 7 (million)
% 3.58/1.50  % (3651594)------------------------------
% 3.58/1.50  % (3651594)------------------------------
% 3.58/1.50  % (3651496)Success in time 0.423 s
% 3.58/1.50  % Vampire exiting
%------------------------------------------------------------------------------