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Drodi---4.1.1.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : Drodi---4.1.1
% Problem  : NUM621+3 : TPTP v9.3.1. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p

% 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 : Thu Sep 24 01:41:13 PM UTC 2026

% Result   : Theorem 12.54s 2.03s
% Output   : CNFRefutation 12.54s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   14
% Syntax   : Number of formulae    :   70 (  22 unt;   1 def)
%            Number of atoms       :  251 (  41 equ)
%            Maximal formula atoms :   15 (   3 avg)
%            Number of connectives :  262 (  81   ~;  75   |;  87   &)
%                                         (   4 <=>;  15  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   4 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    9 (   7 usr;   1 prp; 0-2 aty)
%            Number of functors    :   25 (  25 usr;  14 con; 0-2 aty)
%            Number of variables   :   75 (  69   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f10,definition,
    ! [W0] :
      ( aSet0(W0)
     => ! [W1] :
          ( aSubsetOf0(W1,W0)
        <=> ( ! [W2] :
                ( aElementOf0(W2,W1)
               => aElementOf0(W2,W0) )
            & aSet0(W1) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f23,axiom,
    ( isCountable0(szNzAzT0)
    & aSet0(szNzAzT0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f35,axiom,
    ! [W0,W1] :
      ( ( aElementOf0(W1,szNzAzT0)
        & aElementOf0(W0,szNzAzT0) )
     => ( ( sdtlseqdt0(W1,W0)
          & sdtlseqdt0(W0,W1) )
       => W0 = W1 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f75,hypothesis,
    ( isCountable0(xS)
    & aSubsetOf0(xS,szNzAzT0)
    & ! [W0] :
        ( aElementOf0(W0,xS)
       => aElementOf0(W0,szNzAzT0) )
    & aSet0(xS) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f91,hypothesis,
    ( ! [W0] :
        ( aElementOf0(W0,szNzAzT0)
       => ( sdtlpdtrp0(xe,W0) = szmzizndt0(sdtlpdtrp0(xN,W0))
          & ! [W1] :
              ( aElementOf0(W1,sdtlpdtrp0(xN,W0))
             => sdtlseqdt0(sdtlpdtrp0(xe,W0),W1) )
          & aElementOf0(sdtlpdtrp0(xe,W0),sdtlpdtrp0(xN,W0)) ) )
    & szDzozmdt0(xe) = szNzAzT0
    & aFunction0(xe) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f95,hypothesis,
    ( xO = sdtlcdtrc0(xe,sdtlbdtrb0(xd,szDzizrdt0(xd)))
    & ! [W0] :
        ( aElementOf0(W0,xO)
      <=> ? [W1] :
            ( sdtlpdtrp0(xe,W1) = W0
            & aElementOf0(W1,sdtlbdtrb0(xd,szDzizrdt0(xd))) ) )
    & ! [W0] :
        ( aElementOf0(W0,sdtlbdtrb0(xd,szDzizrdt0(xd)))
      <=> ( sdtlpdtrp0(xd,W0) = szDzizrdt0(xd)
          & aElementOf0(W0,szDzozmdt0(xd)) ) )
    & aSet0(sdtlbdtrb0(xd,szDzizrdt0(xd)))
    & aSet0(xO) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f98,hypothesis,
    ( aSubsetOf0(xO,xS)
    & ! [W0] :
        ( aElementOf0(W0,xO)
       => aElementOf0(W0,xS) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f99,hypothesis,
    ( aElementOf0(xQ,slbdtsldtrb0(xO,xK))
    & sbrdtbr0(xQ) = xK
    & aSubsetOf0(xQ,xO)
    & ! [W0] :
        ( aElementOf0(W0,xQ)
       => aElementOf0(W0,xO) )
    & aSet0(xQ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f103,hypothesis,
    ( xp = szmzizndt0(xQ)
    & ! [W0] :
        ( aElementOf0(W0,xQ)
       => sdtlseqdt0(xp,W0) )
    & aElementOf0(xp,xQ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f111,hypothesis,
    ( sdtlpdtrp0(xe,xn) = xp
    & aElementOf0(xn,szNzAzT0)
    & aElementOf0(xn,sdtlbdtrb0(xd,szDzizrdt0(xd)))
    & sdtlpdtrp0(xd,xn) = szDzizrdt0(xd)
    & aElementOf0(xn,szDzozmdt0(xd)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f113,hypothesis,
    ( aElementOf0(xx,xP)
    & xx != szmzizndt0(xQ)
    & aElementOf0(xx,xQ)
    & aElement0(xx) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f114,hypothesis,
    ( ? [W0] :
        ( sdtlpdtrp0(xe,W0) = xx
        & aElementOf0(W0,sdtlbdtrb0(xd,szDzizrdt0(xd))) )
    & aElementOf0(xx,szNzAzT0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f116,hypothesis,
    ! [W0] :
      ( aElementOf0(W0,sdtlpdtrp0(xN,xm))
     => sdtlseqdt0(xx,W0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f118,conjecture,
    ( ( aSubsetOf0(sdtlpdtrp0(xN,xn),sdtlpdtrp0(xN,xm))
      & ! [W0] :
          ( aElementOf0(W0,sdtlpdtrp0(xN,xn))
         => aElementOf0(W0,sdtlpdtrp0(xN,xm)) ) )
   => aElementOf0(xx,sdtlpdtrp0(xN,szszuzczcdt0(xn))) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f119,negated_conjecture,
    ~ ( ( aSubsetOf0(sdtlpdtrp0(xN,xn),sdtlpdtrp0(xN,xm))
        & ! [W0] :
            ( aElementOf0(W0,sdtlpdtrp0(xN,xn))
           => aElementOf0(W0,sdtlpdtrp0(xN,xm)) ) )
     => aElementOf0(xx,sdtlpdtrp0(xN,szszuzczcdt0(xn))) ),
    inference(negated_conjecture,[status(cth)],[f118]) ).

fof(f144,plain,
    ! [W0] :
      ( ! [W1] :
          ( aSubsetOf0(W1,W0)
        <=> ( ! [W2] :
                ( aElementOf0(W2,W0)
                | ~ aElementOf0(W2,W1) )
            & aSet0(W1) ) )
      | ~ aSet0(W0) ),
    inference(pre_NNF_transformation,[status(thm)],[f10]) ).

fof(f145,plain,
    ! [W0] :
      ( ! [W1] :
          ( ( ? [W2] :
                ( ~ aElementOf0(W2,W0)
                & aElementOf0(W2,W1) )
            | ~ aSet0(W1)
            | aSubsetOf0(W1,W0) )
          & ( ( ! [W2] :
                  ( aElementOf0(W2,W0)
                  | ~ aElementOf0(W2,W1) )
              & aSet0(W1) )
            | ~ aSubsetOf0(W1,W0) ) )
      | ~ aSet0(W0) ),
    inference(NNF_transformation,[status(thm)],[f144]) ).

fof(f146,plain,
    ! [W0] :
      ( ( ! [W1] :
            ( ? [W2] :
                ( ~ aElementOf0(W2,W0)
                & aElementOf0(W2,W1) )
            | ~ aSet0(W1)
            | aSubsetOf0(W1,W0) )
        & ! [W1] :
            ( ( ! [W2] :
                  ( aElementOf0(W2,W0)
                  | ~ aElementOf0(W2,W1) )
              & aSet0(W1) )
            | ~ aSubsetOf0(W1,W0) ) )
      | ~ aSet0(W0) ),
    inference(miniscoping,[status(thm)],[f145]) ).

fof(f147,plain,
    ! [W0] :
      ( ( ! [W1] :
            ( ( ~ aElementOf0(sK1_skl(W1,W0),W0)
              & aElementOf0(sK1_skl(W1,W0),W1) )
            | ~ aSet0(W1)
            | aSubsetOf0(W1,W0) )
        & ! [W1] :
            ( ( ! [W2] :
                  ( aElementOf0(W2,W0)
                  | ~ aElementOf0(W2,W1) )
              & aSet0(W1) )
            | ~ aSubsetOf0(W1,W0) ) )
      | ~ aSet0(W0) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK1_skl]),skolemize(W2,sK1_skl(W1,W0))],[f146]) ).

fof(f149,plain,
    ! [X0,X1,X2] :
      ( aElementOf0(X2,X0)
      | ~ aElementOf0(X2,X1)
      | ~ aSubsetOf0(X1,X0)
      | ~ aSet0(X0) ),
    inference(cnf_transformation,[status(thm)],[f147]) ).

fof(f196,plain,
    aSet0(szNzAzT0),
    inference(cnf_transformation,[status(thm)],[f23]) ).

fof(f224,plain,
    ! [W0,W1] :
      ( W0 = W1
      | ~ sdtlseqdt0(W1,W0)
      | ~ sdtlseqdt0(W0,W1)
      | ~ aElementOf0(W1,szNzAzT0)
      | ~ aElementOf0(W0,szNzAzT0) ),
    inference(pre_NNF_transformation,[status(thm)],[f35]) ).

fof(f225,plain,
    ! [X0,X1] :
      ( X0 = X1
      | ~ sdtlseqdt0(X1,X0)
      | ~ sdtlseqdt0(X0,X1)
      | ~ aElementOf0(X1,szNzAzT0)
      | ~ aElementOf0(X0,szNzAzT0) ),
    inference(cnf_transformation,[status(thm)],[f224]) ).

fof(f379,plain,
    ( isCountable0(xS)
    & aSubsetOf0(xS,szNzAzT0)
    & ! [W0] :
        ( aElementOf0(W0,szNzAzT0)
        | ~ aElementOf0(W0,xS) )
    & aSet0(xS) ),
    inference(pre_NNF_transformation,[status(thm)],[f75]) ).

fof(f380,plain,
    aSet0(xS),
    inference(cnf_transformation,[status(thm)],[f379]) ).

fof(f382,plain,
    aSubsetOf0(xS,szNzAzT0),
    inference(cnf_transformation,[status(thm)],[f379]) ).

fof(f551,plain,
    ( ! [W0] :
        ( ( sdtlpdtrp0(xe,W0) = szmzizndt0(sdtlpdtrp0(xN,W0))
          & ! [W1] :
              ( sdtlseqdt0(sdtlpdtrp0(xe,W0),W1)
              | ~ aElementOf0(W1,sdtlpdtrp0(xN,W0)) )
          & aElementOf0(sdtlpdtrp0(xe,W0),sdtlpdtrp0(xN,W0)) )
        | ~ aElementOf0(W0,szNzAzT0) )
    & szDzozmdt0(xe) = szNzAzT0
    & aFunction0(xe) ),
    inference(pre_NNF_transformation,[status(thm)],[f91]) ).

fof(f554,plain,
    ! [X0] :
      ( aElementOf0(sdtlpdtrp0(xe,X0),sdtlpdtrp0(xN,X0))
      | ~ aElementOf0(X0,szNzAzT0) ),
    inference(cnf_transformation,[status(thm)],[f551]) ).

fof(f582,plain,
    ( xO = sdtlcdtrc0(xe,sdtlbdtrb0(xd,szDzizrdt0(xd)))
    & ! [W0] :
        ( ( ! [W1] :
              ( sdtlpdtrp0(xe,W1) != W0
              | ~ aElementOf0(W1,sdtlbdtrb0(xd,szDzizrdt0(xd))) )
          | aElementOf0(W0,xO) )
        & ( ? [W1] :
              ( sdtlpdtrp0(xe,W1) = W0
              & aElementOf0(W1,sdtlbdtrb0(xd,szDzizrdt0(xd))) )
          | ~ aElementOf0(W0,xO) ) )
    & ! [W0] :
        ( ( sdtlpdtrp0(xd,W0) != szDzizrdt0(xd)
          | ~ aElementOf0(W0,szDzozmdt0(xd))
          | aElementOf0(W0,sdtlbdtrb0(xd,szDzizrdt0(xd))) )
        & ( ( sdtlpdtrp0(xd,W0) = szDzizrdt0(xd)
            & aElementOf0(W0,szDzozmdt0(xd)) )
          | ~ aElementOf0(W0,sdtlbdtrb0(xd,szDzizrdt0(xd))) ) )
    & aSet0(sdtlbdtrb0(xd,szDzizrdt0(xd)))
    & aSet0(xO) ),
    inference(NNF_transformation,[status(thm)],[f95]) ).

fof(f583,plain,
    ( xO = sdtlcdtrc0(xe,sdtlbdtrb0(xd,szDzizrdt0(xd)))
    & ! [W0] :
        ( ! [W1] :
            ( sdtlpdtrp0(xe,W1) != W0
            | ~ aElementOf0(W1,sdtlbdtrb0(xd,szDzizrdt0(xd))) )
        | aElementOf0(W0,xO) )
    & ! [W0] :
        ( ? [W1] :
            ( sdtlpdtrp0(xe,W1) = W0
            & aElementOf0(W1,sdtlbdtrb0(xd,szDzizrdt0(xd))) )
        | ~ aElementOf0(W0,xO) )
    & ! [W0] :
        ( sdtlpdtrp0(xd,W0) != szDzizrdt0(xd)
        | ~ aElementOf0(W0,szDzozmdt0(xd))
        | aElementOf0(W0,sdtlbdtrb0(xd,szDzizrdt0(xd))) )
    & ! [W0] :
        ( ( sdtlpdtrp0(xd,W0) = szDzizrdt0(xd)
          & aElementOf0(W0,szDzozmdt0(xd)) )
        | ~ aElementOf0(W0,sdtlbdtrb0(xd,szDzizrdt0(xd))) )
    & aSet0(sdtlbdtrb0(xd,szDzizrdt0(xd)))
    & aSet0(xO) ),
    inference(miniscoping,[status(thm)],[f582]) ).

fof(f584,plain,
    ( xO = sdtlcdtrc0(xe,sdtlbdtrb0(xd,szDzizrdt0(xd)))
    & ! [W0] :
        ( ! [W1] :
            ( sdtlpdtrp0(xe,W1) != W0
            | ~ aElementOf0(W1,sdtlbdtrb0(xd,szDzizrdt0(xd))) )
        | aElementOf0(W0,xO) )
    & ! [W0] :
        ( ( sdtlpdtrp0(xe,sK34_skl(W0)) = W0
          & aElementOf0(sK34_skl(W0),sdtlbdtrb0(xd,szDzizrdt0(xd))) )
        | ~ aElementOf0(W0,xO) )
    & ! [W0] :
        ( sdtlpdtrp0(xd,W0) != szDzizrdt0(xd)
        | ~ aElementOf0(W0,szDzozmdt0(xd))
        | aElementOf0(W0,sdtlbdtrb0(xd,szDzizrdt0(xd))) )
    & ! [W0] :
        ( ( sdtlpdtrp0(xd,W0) = szDzizrdt0(xd)
          & aElementOf0(W0,szDzozmdt0(xd)) )
        | ~ aElementOf0(W0,sdtlbdtrb0(xd,szDzizrdt0(xd))) )
    & aSet0(sdtlbdtrb0(xd,szDzizrdt0(xd)))
    & aSet0(xO) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK34_skl]),skolemize(W1,sK34_skl(W0))],[f583]) ).

fof(f585,plain,
    aSet0(xO),
    inference(cnf_transformation,[status(thm)],[f584]) ).

fof(f604,plain,
    ( aSubsetOf0(xO,xS)
    & ! [W0] :
        ( aElementOf0(W0,xS)
        | ~ aElementOf0(W0,xO) ) ),
    inference(pre_NNF_transformation,[status(thm)],[f98]) ).

fof(f606,plain,
    aSubsetOf0(xO,xS),
    inference(cnf_transformation,[status(thm)],[f604]) ).

fof(f607,plain,
    ( aElementOf0(xQ,slbdtsldtrb0(xO,xK))
    & sbrdtbr0(xQ) = xK
    & aSubsetOf0(xQ,xO)
    & ! [W0] :
        ( aElementOf0(W0,xO)
        | ~ aElementOf0(W0,xQ) )
    & aSet0(xQ) ),
    inference(pre_NNF_transformation,[status(thm)],[f99]) ).

fof(f610,plain,
    aSubsetOf0(xQ,xO),
    inference(cnf_transformation,[status(thm)],[f607]) ).

fof(f627,plain,
    ( xp = szmzizndt0(xQ)
    & ! [W0] :
        ( sdtlseqdt0(xp,W0)
        | ~ aElementOf0(W0,xQ) )
    & aElementOf0(xp,xQ) ),
    inference(pre_NNF_transformation,[status(thm)],[f103]) ).

fof(f628,plain,
    aElementOf0(xp,xQ),
    inference(cnf_transformation,[status(thm)],[f627]) ).

fof(f629,plain,
    ! [X0] :
      ( sdtlseqdt0(xp,X0)
      | ~ aElementOf0(X0,xQ) ),
    inference(cnf_transformation,[status(thm)],[f627]) ).

fof(f630,plain,
    xp = szmzizndt0(xQ),
    inference(cnf_transformation,[status(thm)],[f627]) ).

fof(f656,plain,
    aElementOf0(xn,szNzAzT0),
    inference(cnf_transformation,[status(thm)],[f111]) ).

fof(f657,plain,
    sdtlpdtrp0(xe,xn) = xp,
    inference(cnf_transformation,[status(thm)],[f111]) ).

fof(f660,plain,
    aElementOf0(xx,xQ),
    inference(cnf_transformation,[status(thm)],[f113]) ).

fof(f661,plain,
    xx != szmzizndt0(xQ),
    inference(cnf_transformation,[status(thm)],[f113]) ).

fof(f663,plain,
    ( sdtlpdtrp0(xe,sK38_skl) = xx
    & aElementOf0(sK38_skl,sdtlbdtrb0(xd,szDzizrdt0(xd)))
    & aElementOf0(xx,szNzAzT0) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK38_skl]),skolemize(W0,sK38_skl)],[f114]) ).

fof(f664,plain,
    aElementOf0(xx,szNzAzT0),
    inference(cnf_transformation,[status(thm)],[f663]) ).

fof(f669,plain,
    ! [W0] :
      ( sdtlseqdt0(xx,W0)
      | ~ aElementOf0(W0,sdtlpdtrp0(xN,xm)) ),
    inference(pre_NNF_transformation,[status(thm)],[f116]) ).

fof(f670,plain,
    ! [X0] :
      ( sdtlseqdt0(xx,X0)
      | ~ aElementOf0(X0,sdtlpdtrp0(xN,xm)) ),
    inference(cnf_transformation,[status(thm)],[f669]) ).

fof(f676,plain,
    ( ~ aElementOf0(xx,sdtlpdtrp0(xN,szszuzczcdt0(xn)))
    & aSubsetOf0(sdtlpdtrp0(xN,xn),sdtlpdtrp0(xN,xm))
    & ! [W0] :
        ( aElementOf0(W0,sdtlpdtrp0(xN,xm))
        | ~ aElementOf0(W0,sdtlpdtrp0(xN,xn)) ) ),
    inference(pre_NNF_transformation,[status(thm)],[f119]) ).

fof(f677,plain,
    ! [X0] :
      ( aElementOf0(X0,sdtlpdtrp0(xN,xm))
      | ~ aElementOf0(X0,sdtlpdtrp0(xN,xn)) ),
    inference(cnf_transformation,[status(thm)],[f676]) ).

fof(f982,plain,
    ! [X0] :
      ( aElementOf0(X0,szNzAzT0)
      | ~ aElementOf0(X0,xS)
      | ~ aSet0(szNzAzT0) ),
    inference(resolution,[status(thm)],[f382,f149]) ).

fof(f986,plain,
    ! [X0] :
      ( aElementOf0(X0,szNzAzT0)
      | ~ aElementOf0(X0,xS) ),
    inference(forward_subsumption_resolution,[status(thm)],[f982,f196]) ).

fof(f1081,plain,
    ! [X0] :
      ( aElementOf0(X0,xS)
      | ~ aElementOf0(X0,xO)
      | ~ aSet0(xS) ),
    inference(resolution,[status(thm)],[f606,f149]) ).

fof(f1085,plain,
    ! [X0] :
      ( aElementOf0(X0,xS)
      | ~ aElementOf0(X0,xO) ),
    inference(forward_subsumption_resolution,[status(thm)],[f1081,f380]) ).

fof(f1088,plain,
    ! [X0] :
      ( aElementOf0(X0,xO)
      | ~ aElementOf0(X0,xQ)
      | ~ aSet0(xO) ),
    inference(resolution,[status(thm)],[f610,f149]) ).

fof(f1092,plain,
    ! [X0] :
      ( aElementOf0(X0,xO)
      | ~ aElementOf0(X0,xQ) ),
    inference(forward_subsumption_resolution,[status(thm)],[f1088,f585]) ).

fof(f1111,plain,
    xx != xp,
    inference(backward_demodulation,[status(thm)],[f630,f661]) ).

fof(f1146,plain,
    aElementOf0(xp,xO),
    inference(resolution,[status(thm)],[f1092,f628]) ).

fof(f1153,plain,
    aElementOf0(xp,xS),
    inference(resolution,[status(thm)],[f1146,f1085]) ).

fof(f1159,plain,
    aElementOf0(xp,szNzAzT0),
    inference(resolution,[status(thm)],[f1153,f986]) ).

fof(f1684,plain,
    sdtlseqdt0(xp,xx),
    inference(resolution,[status(thm)],[f629,f660]) ).

fof(f1864,plain,
    ! [X0] :
      ( X0 = xx
      | ~ sdtlseqdt0(xx,X0)
      | ~ sdtlseqdt0(X0,xx)
      | ~ aElementOf0(X0,szNzAzT0) ),
    inference(resolution,[status(thm)],[f225,f664]) ).

fof(f3283,plain,
    ( xp = xx
    | ~ sdtlseqdt0(xx,xp)
    | ~ aElementOf0(xp,szNzAzT0) ),
    inference(resolution,[status(thm)],[f1864,f1684]) ).

fof(f3298,plain,
    ( xp = xx
    | ~ sdtlseqdt0(xx,xp) ),
    inference(forward_subsumption_resolution,[status(thm)],[f3283,f1159]) ).

fof(f3305,plain,
    ~ sdtlseqdt0(xx,xp),
    inference(forward_subsumption_resolution,[status(thm)],[f3298,f1111]) ).

fof(f8289,plain,
    ( aElementOf0(sdtlpdtrp0(xe,xn),sdtlpdtrp0(xN,xm))
    | ~ aElementOf0(xn,szNzAzT0) ),
    inference(resolution,[status(thm)],[f554,f677]) ).

fof(f8307,plain,
    ( aElementOf0(xp,sdtlpdtrp0(xN,xm))
    | ~ aElementOf0(xn,szNzAzT0) ),
    inference(forward_demodulation,[status(thm)],[f657,f8289]) ).

fof(f8308,plain,
    aElementOf0(xp,sdtlpdtrp0(xN,xm)),
    inference(forward_subsumption_resolution,[status(thm)],[f8307,f656]) ).

fof(f8316,plain,
    sdtlseqdt0(xx,xp),
    inference(resolution,[status(thm)],[f8308,f670]) ).

fof(f8319,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[f8316,f3305]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : NUM621+3 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.04  % Command  : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/0.36  % Computer : n002.cluster.edu
% 0.09/0.36  % Model    : x86_64 x86_64
% 0.09/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.36  % Memory   : 8046.5625MB
% 0.09/0.36  % OS       : Linux 6.8.0-71-generic
% 0.09/0.36  % CPULimit : 300
% 0.09/0.36  % WCLimit  : 300
% 0.09/0.36  % DateTime : Mon Sep 21 02:47:48 UTC 2026
% 0.09/0.36  % CPUTime  : 
% 0.09/0.39  % Drodi V4.1.1
% 12.54/2.03  % Refutation found
% 12.54/2.03  % SZS status Theorem for theBenchmark: Theorem is valid
% 12.54/2.03  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 12.54/2.06  % Elapsed time: 1.683208 seconds
% 12.54/2.06  % CPU time: 12.911457 seconds
% 12.54/2.06  % Total memory used: 234.458 MB
% 12.54/2.06  % Net memory used: 223.884 MB
%------------------------------------------------------------------------------