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Drodi---4.1.1.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : Drodi---4.1.1
% Problem  : SWV451+1 : TPTP v9.3.1. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p

% Computer : n001.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 : Thu Sep 24 02:47:57 PM UTC 2026

% Result   : Theorem 13.00s 2.16s
% Output   : CNFRefutation 13.00s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   59 (  23 unt;   0 def)
%            Number of atoms       :  386 ( 186 equ)
%            Maximal formula atoms :   51 (   6 avg)
%            Number of connectives :  530 ( 203   ~; 132   |; 152   &)
%                                         (   2 <=>;  41  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   37 (   6 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :   26 (  26 usr;  16 con; 0-2 aty)
%            Number of variables   :  190 ( 174   !;  16   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f2,axiom,
    ! [P,Q] :
      ( s(host(P)) = host(Q)
     => host(P) != host(Q) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f18,axiom,
    ! [X,Y] : m_Down(X) != m_Halt(Y),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f47,axiom,
    ! [X,Y,Q] :
      ( elem(X,cons(Y,Q))
    <=> ( elem(X,Q)
        | X = Y ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f48,axiom,
    ! [X,Y,Q] :
      ( elem(X,snoc(Q,Y))
    <=> ( elem(X,Q)
        | X = Y ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f67,conjecture,
    ! [V,W,X,Y] :
      ( ( queue(host(Y)) = cons(m_NotNorm(X),V)
        & ! [Z,Pid30,Pid20,Pid0] :
            ( ( host(Pid0) = host(Pid20)
              & host(Pid30) = host(Z)
              & setIn(Pid20,alive)
              & setIn(Z,alive)
              & host(Pid20) != host(Z) )
           => ~ ( elem(m_Down(Pid30),queue(host(Pid20)))
                & elem(m_Down(Pid0),queue(host(Z))) ) )
        & ! [Z,Pid0] :
            ( ( host(Pid0) = host(Z)
              & Pid0 != Z )
           => ( ~ setIn(Pid0,alive)
              | ~ setIn(Z,alive) ) )
        & ! [Z,Pid0] :
            ( ( host(Pid0) = host(Z)
              & leq(Pid0,Z)
              & ~ setIn(Z,alive) )
           => ~ setIn(Pid0,alive) )
        & ! [Z,Pid20,Pid0] :
            ( elem(m_Ack(Pid0,Z),queue(host(Pid20)))
           => ~ leq(host(Z),host(Pid0)) )
        & ! [Z,Pid0] :
            ( elem(m_Halt(Pid0),queue(host(Z)))
           => ~ leq(host(Z),host(Pid0)) )
        & ! [Z,Pid0] :
            ( elem(m_Down(Pid0),queue(host(Z)))
           => host(Pid0) != host(Z) )
        & ! [Z,Pid0] :
            ( elem(m_Down(Pid0),queue(host(Z)))
           => ~ setIn(Pid0,alive) )
        & ! [Z,Pid0] :
            ( setIn(Pid0,alive)
           => ~ elem(m_Down(Pid0),queue(host(Z))) ) )
     => ( setIn(Y,alive)
       => ( ( index(elid,host(Y)) = X
            & index(status,host(Y)) = norm
            & index(ldr,host(Y)) = host(Y) )
         => ( ( host(Y) = host(W)
              & ~ setIn(W,pids)
              & ! [Z] :
                  ( host(Y) = host(Z)
                 => leq(Z,W) ) )
           => ( host(W) = s(zero)
             => ( ~ leq(nbr_proc,host(W))
               => ! [Z] :
                    ( s(host(W)) = host(Z)
                   => ( host(Y) != host(Z)
                     => ! [X0,Y0] :
                          ( s(host(W)) != host(Y0)
                         => ( host(Y) = host(Y0)
                           => ! [Z0] :
                                ( ( host(Z0) = host(Y0)
                                  & host(X0) = host(Z)
                                  & host(Y0) != host(Z)
                                  & ( Y0 = W
                                    | ( setIn(Y0,alive)
                                      & Y0 != Y ) )
                                  & ( Z = W
                                    | ( setIn(Z,alive)
                                      & Z != Y ) ) )
                               => ~ ( elem(m_Down(Z0),snoc(queue(host(Z)),m_Halt(W)))
                                    & elem(m_Down(X0),V) ) ) ) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f68,negated_conjecture,
    ~ ! [V,W,X,Y] :
        ( ( queue(host(Y)) = cons(m_NotNorm(X),V)
          & ! [Z,Pid30,Pid20,Pid0] :
              ( ( host(Pid0) = host(Pid20)
                & host(Pid30) = host(Z)
                & setIn(Pid20,alive)
                & setIn(Z,alive)
                & host(Pid20) != host(Z) )
             => ~ ( elem(m_Down(Pid30),queue(host(Pid20)))
                  & elem(m_Down(Pid0),queue(host(Z))) ) )
          & ! [Z,Pid0] :
              ( ( host(Pid0) = host(Z)
                & Pid0 != Z )
             => ( ~ setIn(Pid0,alive)
                | ~ setIn(Z,alive) ) )
          & ! [Z,Pid0] :
              ( ( host(Pid0) = host(Z)
                & leq(Pid0,Z)
                & ~ setIn(Z,alive) )
             => ~ setIn(Pid0,alive) )
          & ! [Z,Pid20,Pid0] :
              ( elem(m_Ack(Pid0,Z),queue(host(Pid20)))
             => ~ leq(host(Z),host(Pid0)) )
          & ! [Z,Pid0] :
              ( elem(m_Halt(Pid0),queue(host(Z)))
             => ~ leq(host(Z),host(Pid0)) )
          & ! [Z,Pid0] :
              ( elem(m_Down(Pid0),queue(host(Z)))
             => host(Pid0) != host(Z) )
          & ! [Z,Pid0] :
              ( elem(m_Down(Pid0),queue(host(Z)))
             => ~ setIn(Pid0,alive) )
          & ! [Z,Pid0] :
              ( setIn(Pid0,alive)
             => ~ elem(m_Down(Pid0),queue(host(Z))) ) )
       => ( setIn(Y,alive)
         => ( ( index(elid,host(Y)) = X
              & index(status,host(Y)) = norm
              & index(ldr,host(Y)) = host(Y) )
           => ( ( host(Y) = host(W)
                & ~ setIn(W,pids)
                & ! [Z] :
                    ( host(Y) = host(Z)
                   => leq(Z,W) ) )
             => ( host(W) = s(zero)
               => ( ~ leq(nbr_proc,host(W))
                 => ! [Z] :
                      ( s(host(W)) = host(Z)
                     => ( host(Y) != host(Z)
                       => ! [X0,Y0] :
                            ( s(host(W)) != host(Y0)
                           => ( host(Y) = host(Y0)
                             => ! [Z0] :
                                  ( ( host(Z0) = host(Y0)
                                    & host(X0) = host(Z)
                                    & host(Y0) != host(Z)
                                    & ( Y0 = W
                                      | ( setIn(Y0,alive)
                                        & Y0 != Y ) )
                                    & ( Z = W
                                      | ( setIn(Z,alive)
                                        & Z != Y ) ) )
                                 => ~ ( elem(m_Down(Z0),snoc(queue(host(Z)),m_Halt(W)))
                                      & elem(m_Down(X0),V) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f67]) ).

fof(f72,plain,
    ! [P,Q] :
      ( host(P) != host(Q)
      | s(host(P)) != host(Q) ),
    inference(pre_NNF_transformation,[status(thm)],[f2]) ).

fof(f73,plain,
    ! [X0,X1] :
      ( host(X0) != host(X1)
      | s(host(X0)) != host(X1) ),
    inference(cnf_transformation,[status(thm)],[f72]) ).

fof(f89,plain,
    ! [X0,X1] : m_Down(X0) != m_Halt(X1),
    inference(cnf_transformation,[status(thm)],[f18]) ).

fof(f138,plain,
    ! [X,Y,Q] :
      ( ( ( ~ elem(X,Q)
          & X != Y )
        | elem(X,cons(Y,Q)) )
      & ( elem(X,Q)
        | X = Y
        | ~ elem(X,cons(Y,Q)) ) ),
    inference(NNF_transformation,[status(thm)],[f47]) ).

fof(f139,plain,
    ( ! [X,Y,Q] :
        ( ( ~ elem(X,Q)
          & X != Y )
        | elem(X,cons(Y,Q)) )
    & ! [X,Y,Q] :
        ( elem(X,Q)
        | X = Y
        | ~ elem(X,cons(Y,Q)) ) ),
    inference(miniscoping,[status(thm)],[f138]) ).

fof(f142,plain,
    ! [X0,X1,X2] :
      ( ~ elem(X0,X2)
      | elem(X0,cons(X1,X2)) ),
    inference(cnf_transformation,[status(thm)],[f139]) ).

fof(f143,plain,
    ! [X,Y,Q] :
      ( ( ( ~ elem(X,Q)
          & X != Y )
        | elem(X,snoc(Q,Y)) )
      & ( elem(X,Q)
        | X = Y
        | ~ elem(X,snoc(Q,Y)) ) ),
    inference(NNF_transformation,[status(thm)],[f48]) ).

fof(f144,plain,
    ( ! [X,Y,Q] :
        ( ( ~ elem(X,Q)
          & X != Y )
        | elem(X,snoc(Q,Y)) )
    & ! [X,Y,Q] :
        ( elem(X,Q)
        | X = Y
        | ~ elem(X,snoc(Q,Y)) ) ),
    inference(miniscoping,[status(thm)],[f143]) ).

fof(f145,plain,
    ! [X0,X1,X2] :
      ( elem(X0,X1)
      | X0 = X2
      | ~ elem(X0,snoc(X1,X2)) ),
    inference(cnf_transformation,[status(thm)],[f144]) ).

fof(f212,plain,
    ? [V,W,X,Y] :
      ( ? [Z] :
          ( ? [X0,Y0] :
              ( ? [Z0] :
                  ( elem(m_Down(Z0),snoc(queue(host(Z)),m_Halt(W)))
                  & elem(m_Down(X0),V)
                  & host(Z0) = host(Y0)
                  & host(X0) = host(Z)
                  & host(Y0) != host(Z)
                  & ( Y0 = W
                    | ( setIn(Y0,alive)
                      & Y0 != Y ) )
                  & ( Z = W
                    | ( setIn(Z,alive)
                      & Z != Y ) ) )
              & host(Y) = host(Y0)
              & s(host(W)) != host(Y0) )
          & host(Y) != host(Z)
          & s(host(W)) = host(Z) )
      & ~ leq(nbr_proc,host(W))
      & host(W) = s(zero)
      & host(Y) = host(W)
      & ~ setIn(W,pids)
      & ! [Z] :
          ( leq(Z,W)
          | host(Y) != host(Z) )
      & index(elid,host(Y)) = X
      & index(status,host(Y)) = norm
      & index(ldr,host(Y)) = host(Y)
      & setIn(Y,alive)
      & queue(host(Y)) = cons(m_NotNorm(X),V)
      & ! [Z,Pid30,Pid20,Pid0] :
          ( ~ elem(m_Down(Pid30),queue(host(Pid20)))
          | ~ elem(m_Down(Pid0),queue(host(Z)))
          | host(Pid0) != host(Pid20)
          | host(Pid30) != host(Z)
          | ~ setIn(Pid20,alive)
          | ~ setIn(Z,alive)
          | host(Pid20) = host(Z) )
      & ! [Z,Pid0] :
          ( ~ setIn(Pid0,alive)
          | ~ setIn(Z,alive)
          | host(Pid0) != host(Z)
          | Pid0 = Z )
      & ! [Z,Pid0] :
          ( ~ setIn(Pid0,alive)
          | host(Pid0) != host(Z)
          | ~ leq(Pid0,Z)
          | setIn(Z,alive) )
      & ! [Z,Pid20,Pid0] :
          ( ~ leq(host(Z),host(Pid0))
          | ~ elem(m_Ack(Pid0,Z),queue(host(Pid20))) )
      & ! [Z,Pid0] :
          ( ~ leq(host(Z),host(Pid0))
          | ~ elem(m_Halt(Pid0),queue(host(Z))) )
      & ! [Z,Pid0] :
          ( host(Pid0) != host(Z)
          | ~ elem(m_Down(Pid0),queue(host(Z))) )
      & ! [Z,Pid0] :
          ( ~ setIn(Pid0,alive)
          | ~ elem(m_Down(Pid0),queue(host(Z))) )
      & ! [Z,Pid0] :
          ( ~ elem(m_Down(Pid0),queue(host(Z)))
          | ~ setIn(Pid0,alive) ) ),
    inference(pre_NNF_transformation,[status(thm)],[f68]) ).

fof(f213,plain,
    ? [V,X,Y] :
      ( ? [W] :
          ( ? [Z] :
              ( ? [Y0] :
                  ( ? [X0,Z0] :
                      ( elem(m_Down(Z0),snoc(queue(host(Z)),m_Halt(W)))
                      & elem(m_Down(X0),V)
                      & host(Z0) = host(Y0)
                      & host(X0) = host(Z)
                      & host(Y0) != host(Z)
                      & ( Y0 = W
                        | ( setIn(Y0,alive)
                          & Y0 != Y ) )
                      & ( Z = W
                        | ( setIn(Z,alive)
                          & Z != Y ) ) )
                  & host(Y) = host(Y0)
                  & s(host(W)) != host(Y0) )
              & host(Y) != host(Z)
              & s(host(W)) = host(Z) )
          & ~ leq(nbr_proc,host(W))
          & host(W) = s(zero)
          & host(Y) = host(W)
          & ~ setIn(W,pids)
          & ! [Z] :
              ( leq(Z,W)
              | host(Y) != host(Z) ) )
      & index(elid,host(Y)) = X
      & index(status,host(Y)) = norm
      & index(ldr,host(Y)) = host(Y)
      & setIn(Y,alive)
      & queue(host(Y)) = cons(m_NotNorm(X),V)
      & ! [Z,Pid30,Pid20,Pid0] :
          ( ~ elem(m_Down(Pid30),queue(host(Pid20)))
          | ~ elem(m_Down(Pid0),queue(host(Z)))
          | host(Pid0) != host(Pid20)
          | host(Pid30) != host(Z)
          | ~ setIn(Pid20,alive)
          | ~ setIn(Z,alive)
          | host(Pid20) = host(Z) )
      & ! [Z,Pid0] :
          ( ~ setIn(Pid0,alive)
          | ~ setIn(Z,alive)
          | host(Pid0) != host(Z)
          | Pid0 = Z )
      & ! [Pid0] :
          ( ~ setIn(Pid0,alive)
          | ! [Z] :
              ( host(Pid0) != host(Z)
              | ~ leq(Pid0,Z)
              | setIn(Z,alive) ) )
      & ! [Z,Pid0] :
          ( ~ leq(host(Z),host(Pid0))
          | ! [Pid20] : ~ elem(m_Ack(Pid0,Z),queue(host(Pid20))) )
      & ! [Z,Pid0] :
          ( ~ leq(host(Z),host(Pid0))
          | ~ elem(m_Halt(Pid0),queue(host(Z))) )
      & ! [Z,Pid0] :
          ( host(Pid0) != host(Z)
          | ~ elem(m_Down(Pid0),queue(host(Z))) )
      & ! [Pid0] :
          ( ~ setIn(Pid0,alive)
          | ! [Z] : ~ elem(m_Down(Pid0),queue(host(Z))) )
      & ! [Pid0] :
          ( ! [Z] : ~ elem(m_Down(Pid0),queue(host(Z)))
          | ~ setIn(Pid0,alive) ) ),
    inference(miniscoping,[status(thm)],[f212]) ).

fof(f214,plain,
    ( elem(m_Down(sK11_skl),snoc(queue(host(sK8_skl)),m_Halt(sK7_skl)))
    & elem(m_Down(sK10_skl),sK4_skl)
    & host(sK11_skl) = host(sK9_skl)
    & host(sK10_skl) = host(sK8_skl)
    & host(sK9_skl) != host(sK8_skl)
    & ( sK9_skl = sK7_skl
      | ( setIn(sK9_skl,alive)
        & sK9_skl != sK6_skl ) )
    & ( sK8_skl = sK7_skl
      | ( setIn(sK8_skl,alive)
        & sK8_skl != sK6_skl ) )
    & host(sK6_skl) = host(sK9_skl)
    & s(host(sK7_skl)) != host(sK9_skl)
    & host(sK6_skl) != host(sK8_skl)
    & s(host(sK7_skl)) = host(sK8_skl)
    & ~ leq(nbr_proc,host(sK7_skl))
    & host(sK7_skl) = s(zero)
    & host(sK6_skl) = host(sK7_skl)
    & ~ setIn(sK7_skl,pids)
    & ! [Z] :
        ( leq(Z,sK7_skl)
        | host(sK6_skl) != host(Z) )
    & index(elid,host(sK6_skl)) = sK5_skl
    & index(status,host(sK6_skl)) = norm
    & index(ldr,host(sK6_skl)) = host(sK6_skl)
    & setIn(sK6_skl,alive)
    & queue(host(sK6_skl)) = cons(m_NotNorm(sK5_skl),sK4_skl)
    & ! [Z,Pid30,Pid20,Pid0] :
        ( ~ elem(m_Down(Pid30),queue(host(Pid20)))
        | ~ elem(m_Down(Pid0),queue(host(Z)))
        | host(Pid0) != host(Pid20)
        | host(Pid30) != host(Z)
        | ~ setIn(Pid20,alive)
        | ~ setIn(Z,alive)
        | host(Pid20) = host(Z) )
    & ! [Z,Pid0] :
        ( ~ setIn(Pid0,alive)
        | ~ setIn(Z,alive)
        | host(Pid0) != host(Z)
        | Pid0 = Z )
    & ! [Pid0] :
        ( ~ setIn(Pid0,alive)
        | ! [Z] :
            ( host(Pid0) != host(Z)
            | ~ leq(Pid0,Z)
            | setIn(Z,alive) ) )
    & ! [Z,Pid0] :
        ( ~ leq(host(Z),host(Pid0))
        | ! [Pid20] : ~ elem(m_Ack(Pid0,Z),queue(host(Pid20))) )
    & ! [Z,Pid0] :
        ( ~ leq(host(Z),host(Pid0))
        | ~ elem(m_Halt(Pid0),queue(host(Z))) )
    & ! [Z,Pid0] :
        ( host(Pid0) != host(Z)
        | ~ elem(m_Down(Pid0),queue(host(Z))) )
    & ! [Pid0] :
        ( ~ setIn(Pid0,alive)
        | ! [Z] : ~ elem(m_Down(Pid0),queue(host(Z))) )
    & ! [Pid0] :
        ( ! [Z] : ~ elem(m_Down(Pid0),queue(host(Z)))
        | ~ setIn(Pid0,alive) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK4_skl,sK5_skl,sK6_skl,sK7_skl,sK8_skl,sK9_skl,sK10_skl,sK11_skl]),skolemize(V,sK4_skl),skolemize(X,sK5_skl),skolemize(Y,sK6_skl),skolemize(W,sK7_skl),skolemize(Z,sK8_skl),skolemize(Y0,sK9_skl),skolemize(X0,sK10_skl),skolemize(Z0,sK11_skl)],[f213]) ).

fof(f220,plain,
    ! [X0,X1] :
      ( ~ setIn(X1,alive)
      | host(X1) != host(X0)
      | ~ leq(X1,X0)
      | setIn(X0,alive) ),
    inference(cnf_transformation,[status(thm)],[f214]) ).

fof(f221,plain,
    ! [X0,X1] :
      ( ~ setIn(X0,alive)
      | ~ setIn(X1,alive)
      | host(X0) != host(X1)
      | X0 = X1 ),
    inference(cnf_transformation,[status(thm)],[f214]) ).

fof(f222,plain,
    ! [X0,X1,X2,X3] :
      ( ~ elem(m_Down(X2),queue(host(X0)))
      | ~ elem(m_Down(X3),queue(host(X1)))
      | host(X3) != host(X0)
      | host(X2) != host(X1)
      | ~ setIn(X0,alive)
      | ~ setIn(X1,alive)
      | host(X0) = host(X1) ),
    inference(cnf_transformation,[status(thm)],[f214]) ).

fof(f223,plain,
    queue(host(sK6_skl)) = cons(m_NotNorm(sK5_skl),sK4_skl),
    inference(cnf_transformation,[status(thm)],[f214]) ).

fof(f224,plain,
    setIn(sK6_skl,alive),
    inference(cnf_transformation,[status(thm)],[f214]) ).

fof(f228,plain,
    ! [X0] :
      ( leq(X0,sK7_skl)
      | host(sK6_skl) != host(X0) ),
    inference(cnf_transformation,[status(thm)],[f214]) ).

fof(f230,plain,
    host(sK6_skl) = host(sK7_skl),
    inference(cnf_transformation,[status(thm)],[f214]) ).

fof(f233,plain,
    s(host(sK7_skl)) = host(sK8_skl),
    inference(cnf_transformation,[status(thm)],[f214]) ).

fof(f236,plain,
    host(sK6_skl) = host(sK9_skl),
    inference(cnf_transformation,[status(thm)],[f214]) ).

fof(f238,plain,
    ( sK8_skl = sK7_skl
    | setIn(sK8_skl,alive) ),
    inference(cnf_transformation,[status(thm)],[f214]) ).

fof(f242,plain,
    host(sK10_skl) = host(sK8_skl),
    inference(cnf_transformation,[status(thm)],[f214]) ).

fof(f243,plain,
    host(sK11_skl) = host(sK9_skl),
    inference(cnf_transformation,[status(thm)],[f214]) ).

fof(f244,plain,
    elem(m_Down(sK10_skl),sK4_skl),
    inference(cnf_transformation,[status(thm)],[f214]) ).

fof(f245,plain,
    elem(m_Down(sK11_skl),snoc(queue(host(sK8_skl)),m_Halt(sK7_skl))),
    inference(cnf_transformation,[status(thm)],[f214]) ).

fof(f337,plain,
    host(sK11_skl) = host(sK6_skl),
    inference(forward_demodulation,[status(thm)],[f236,f243]) ).

fof(f356,plain,
    ! [X0] : elem(m_Down(sK10_skl),cons(X0,sK4_skl)),
    inference(resolution,[status(thm)],[f142,f244]) ).

fof(f413,plain,
    ! [X0] :
      ( ~ setIn(X0,alive)
      | host(X0) != host(sK6_skl)
      | X0 = sK6_skl ),
    inference(resolution,[status(thm)],[f221,f224]) ).

fof(f507,plain,
    s(host(sK6_skl)) = host(sK8_skl),
    inference(forward_demodulation,[status(thm)],[f230,f233]) ).

fof(f510,plain,
    ! [X0] :
      ( host(sK6_skl) != host(X0)
      | host(sK8_skl) != host(X0) ),
    inference(paramodulation,[status(thm)],[f507,f73]) ).

fof(f661,plain,
    leq(sK6_skl,sK7_skl),
    inference(equality_resolution,[status(thm)],[f228]) ).

fof(f685,plain,
    ( ~ setIn(sK6_skl,alive)
    | host(sK6_skl) != host(sK7_skl)
    | setIn(sK7_skl,alive) ),
    inference(resolution,[status(thm)],[f661,f220]) ).

fof(f686,plain,
    ( ~ setIn(sK6_skl,alive)
    | host(sK6_skl) != host(sK6_skl)
    | setIn(sK7_skl,alive) ),
    inference(forward_demodulation,[status(thm)],[f230,f685]) ).

fof(f687,plain,
    ( ~ setIn(sK6_skl,alive)
    | setIn(sK7_skl,alive) ),
    inference(trivial_equality_resolution,[status(thm)],[f686]) ).

fof(f688,plain,
    setIn(sK7_skl,alive),
    inference(forward_subsumption_resolution,[status(thm)],[f687,f224]) ).

fof(f711,plain,
    ( elem(m_Down(sK11_skl),queue(host(sK8_skl)))
    | m_Down(sK11_skl) = m_Halt(sK7_skl) ),
    inference(resolution,[status(thm)],[f245,f145]) ).

fof(f714,plain,
    elem(m_Down(sK11_skl),queue(host(sK8_skl))),
    inference(forward_subsumption_resolution,[status(thm)],[f711,f89]) ).

fof(f983,plain,
    elem(m_Down(sK10_skl),queue(host(sK6_skl))),
    inference(paramodulation,[status(thm)],[f223,f356]) ).

fof(f1260,plain,
    ( host(sK7_skl) != host(sK6_skl)
    | sK7_skl = sK6_skl ),
    inference(resolution,[status(thm)],[f413,f688]) ).

fof(f1264,plain,
    ( host(sK6_skl) != host(sK6_skl)
    | sK7_skl = sK6_skl ),
    inference(forward_demodulation,[status(thm)],[f230,f1260]) ).

fof(f1265,plain,
    sK7_skl = sK6_skl,
    inference(trivial_equality_resolution,[status(thm)],[f1264]) ).

fof(f1295,plain,
    ( sK8_skl = sK6_skl
    | setIn(sK8_skl,alive) ),
    inference(backward_demodulation,[status(thm)],[f1265,f238]) ).

fof(f1911,plain,
    ! [X0,X1] :
      ( ~ elem(m_Down(X1),queue(host(X0)))
      | host(sK11_skl) != host(X0)
      | host(X1) != host(sK8_skl)
      | ~ setIn(X0,alive)
      | ~ setIn(sK8_skl,alive)
      | host(X0) = host(sK8_skl) ),
    inference(resolution,[status(thm)],[f714,f222]) ).

fof(f1920,plain,
    ! [X0,X1] :
      ( ~ elem(m_Down(X1),queue(host(X0)))
      | host(sK6_skl) != host(X0)
      | host(X1) != host(sK8_skl)
      | ~ setIn(X0,alive)
      | ~ setIn(sK8_skl,alive)
      | host(X0) = host(sK8_skl) ),
    inference(forward_demodulation,[status(thm)],[f337,f1911]) ).

fof(f1921,plain,
    ! [X0,X1] :
      ( ~ elem(m_Down(X1),queue(host(X0)))
      | host(sK6_skl) != host(X0)
      | host(X1) != host(sK8_skl)
      | ~ setIn(X0,alive)
      | ~ setIn(sK8_skl,alive) ),
    inference(forward_subsumption_resolution,[status(thm)],[f1920,f510]) ).

fof(f9692,plain,
    ( host(sK6_skl) != host(sK6_skl)
    | host(sK10_skl) != host(sK8_skl)
    | ~ setIn(sK6_skl,alive)
    | ~ setIn(sK8_skl,alive) ),
    inference(resolution,[status(thm)],[f1921,f983]) ).

fof(f9701,plain,
    ( host(sK6_skl) != host(sK6_skl)
    | host(sK8_skl) != host(sK8_skl)
    | ~ setIn(sK6_skl,alive)
    | ~ setIn(sK8_skl,alive) ),
    inference(forward_demodulation,[status(thm)],[f242,f9692]) ).

fof(f9702,plain,
    ( ~ setIn(sK6_skl,alive)
    | ~ setIn(sK8_skl,alive) ),
    inference(trivial_equality_resolution,[status(thm)],[f9701]) ).

fof(f9703,plain,
    ~ setIn(sK8_skl,alive),
    inference(forward_subsumption_resolution,[status(thm)],[f9702,f224]) ).

fof(f9717,plain,
    sK8_skl = sK6_skl,
    inference(backward_subsumption_resolution,[status(thm)],[f1295,f9703]) ).

fof(f9718,plain,
    ~ setIn(sK6_skl,alive),
    inference(backward_demodulation,[status(thm)],[f9717,f9703]) ).

fof(f9757,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[f9718,f224]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05  % Problem  : SWV451+1 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.06  % Command  : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.15/0.42  % Computer : n001.cluster.edu
% 0.15/0.42  % Model    : x86_64 x86_64
% 0.15/0.42  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.42  % Memory   : 8046.5625MB
% 0.15/0.42  % OS       : Linux 6.8.0-71-generic
% 0.15/0.42  % CPULimit : 300
% 0.15/0.42  % WCLimit  : 300
% 0.15/0.42  % DateTime : Mon Sep 21 08:57:59 UTC 2026
% 0.15/0.43  % CPUTime  : 
% 0.15/0.45  % Drodi V4.1.1
% 13.00/2.16  % Refutation found
% 13.00/2.16  % SZS status Theorem for theBenchmark: Theorem is valid
% 13.00/2.16  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 13.00/2.21  % Elapsed time: 1.764030 seconds
% 13.00/2.21  % CPU time: 13.523562 seconds
% 13.00/2.21  % Total memory used: 190.912 MB
% 13.00/2.21  % Net memory used: 176.685 MB
%------------------------------------------------------------------------------