TSTP Solution File: NUM504+1 by SInE---0.4

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%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : NUM504+1 : TPTP v7.0.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : Source/sine.py -e eprover -t %d %s

% Computer : n079.star.cs.uiowa.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2609 0 2.40GHz
% Memory   : 32218.625MB
% OS       : Linux 3.10.0-693.2.2.el7.x86_64
% CPULimit : 300s
% DateTime : Mon Jan  8 15:21:35 EST 2018

% Result   : Theorem 0.06s
% Output   : CNFRefutation 0.06s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   26
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   63 (  16 unt;   0 def)
%            Number of atoms       :  292 (  26 equ)
%            Maximal formula atoms :   32 (   4 avg)
%            Number of connectives :  377 ( 148   ~; 167   |;  53   &)
%                                         (   2 <=>;   7  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    7 (   5 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   6 con; 0-2 aty)
%            Number of variables   :   51 (   0 sgn  39   !;   2   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(3,axiom,
    ( isPrime0(xp)
    & doDivides0(xp,sdtasdt0(xn,xm)) ),
    file('/export/starexec/sandbox2/tmp/tmp0F_3qa/sel_theBenchmark.p_1',m__1860) ).

fof(20,axiom,
    ( aNaturalNumber0(xn)
    & aNaturalNumber0(xm)
    & aNaturalNumber0(xp) ),
    file('/export/starexec/sandbox2/tmp/tmp0F_3qa/sel_theBenchmark.p_1',m__1837) ).

fof(27,axiom,
    ! [X1,X2] :
      ( ( aNaturalNumber0(X1)
        & aNaturalNumber0(X2) )
     => ( ( sdtlseqdt0(X1,X2)
          & sdtlseqdt0(X2,X1) )
       => equal(X1,X2) ) ),
    file('/export/starexec/sandbox2/tmp/tmp0F_3qa/sel_theBenchmark.p_1',mLEAsym) ).

fof(28,axiom,
    ! [X1,X2] :
      ( ( aNaturalNumber0(X1)
        & aNaturalNumber0(X2) )
     => ( ( ~ equal(X1,sz00)
          & doDivides0(X1,X2) )
       => ! [X3] :
            ( equal(X3,sdtsldt0(X2,X1))
          <=> ( aNaturalNumber0(X3)
              & equal(X2,sdtasdt0(X1,X3)) ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp0F_3qa/sel_theBenchmark.p_1',mDefQuot) ).

fof(38,axiom,
    ! [X1,X2] :
      ( ( aNaturalNumber0(X1)
        & aNaturalNumber0(X2) )
     => aNaturalNumber0(sdtasdt0(X1,X2)) ),
    file('/export/starexec/sandbox2/tmp/tmp0F_3qa/sel_theBenchmark.p_1',mSortsB_02) ).

fof(39,axiom,
    ! [X1] :
      ( aNaturalNumber0(X1)
     => ( isPrime0(X1)
      <=> ( ~ equal(X1,sz00)
          & ~ equal(X1,sz10)
          & ! [X2] :
              ( ( aNaturalNumber0(X2)
                & doDivides0(X2,X1) )
             => ( equal(X2,sz10)
                | equal(X2,X1) ) ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp0F_3qa/sel_theBenchmark.p_1',mDefPrime) ).

fof(45,axiom,
    equal(xk,sdtsldt0(sdtasdt0(xn,xm),xp)),
    file('/export/starexec/sandbox2/tmp/tmp0F_3qa/sel_theBenchmark.p_1',m__2306) ).

fof(49,axiom,
    ( ~ equal(sdtasdt0(xn,xm),sdtasdt0(xp,xm))
    & sdtlseqdt0(sdtasdt0(xn,xm),sdtasdt0(xp,xm))
    & ~ equal(sdtasdt0(xp,xm),sdtasdt0(xp,xk))
    & sdtlseqdt0(sdtasdt0(xp,xm),sdtasdt0(xp,xk)) ),
    file('/export/starexec/sandbox2/tmp/tmp0F_3qa/sel_theBenchmark.p_1',m__2414) ).

cnf(65,plain,
    doDivides0(xp,sdtasdt0(xn,xm)),
    inference(split_conjunct,[status(thm)],[3]) ).

cnf(66,plain,
    isPrime0(xp),
    inference(split_conjunct,[status(thm)],[3]) ).

cnf(125,plain,
    aNaturalNumber0(xp),
    inference(split_conjunct,[status(thm)],[20]) ).

cnf(126,plain,
    aNaturalNumber0(xm),
    inference(split_conjunct,[status(thm)],[20]) ).

cnf(127,plain,
    aNaturalNumber0(xn),
    inference(split_conjunct,[status(thm)],[20]) ).

fof(160,plain,
    ! [X1,X2] :
      ( ~ aNaturalNumber0(X1)
      | ~ aNaturalNumber0(X2)
      | ~ sdtlseqdt0(X1,X2)
      | ~ sdtlseqdt0(X2,X1)
      | equal(X1,X2) ),
    inference(fof_nnf,[status(thm)],[27]) ).

fof(161,plain,
    ! [X3,X4] :
      ( ~ aNaturalNumber0(X3)
      | ~ aNaturalNumber0(X4)
      | ~ sdtlseqdt0(X3,X4)
      | ~ sdtlseqdt0(X4,X3)
      | equal(X3,X4) ),
    inference(variable_rename,[status(thm)],[160]) ).

cnf(162,plain,
    ( X1 = X2
    | ~ sdtlseqdt0(X2,X1)
    | ~ sdtlseqdt0(X1,X2)
    | ~ aNaturalNumber0(X2)
    | ~ aNaturalNumber0(X1) ),
    inference(split_conjunct,[status(thm)],[161]) ).

fof(163,plain,
    ! [X1,X2] :
      ( ~ aNaturalNumber0(X1)
      | ~ aNaturalNumber0(X2)
      | equal(X1,sz00)
      | ~ doDivides0(X1,X2)
      | ! [X3] :
          ( ( ~ equal(X3,sdtsldt0(X2,X1))
            | ( aNaturalNumber0(X3)
              & equal(X2,sdtasdt0(X1,X3)) ) )
          & ( ~ aNaturalNumber0(X3)
            | ~ equal(X2,sdtasdt0(X1,X3))
            | equal(X3,sdtsldt0(X2,X1)) ) ) ),
    inference(fof_nnf,[status(thm)],[28]) ).

fof(164,plain,
    ! [X4,X5] :
      ( ~ aNaturalNumber0(X4)
      | ~ aNaturalNumber0(X5)
      | equal(X4,sz00)
      | ~ doDivides0(X4,X5)
      | ! [X6] :
          ( ( ~ equal(X6,sdtsldt0(X5,X4))
            | ( aNaturalNumber0(X6)
              & equal(X5,sdtasdt0(X4,X6)) ) )
          & ( ~ aNaturalNumber0(X6)
            | ~ equal(X5,sdtasdt0(X4,X6))
            | equal(X6,sdtsldt0(X5,X4)) ) ) ),
    inference(variable_rename,[status(thm)],[163]) ).

fof(165,plain,
    ! [X4,X5,X6] :
      ( ( ( ~ equal(X6,sdtsldt0(X5,X4))
          | ( aNaturalNumber0(X6)
            & equal(X5,sdtasdt0(X4,X6)) ) )
        & ( ~ aNaturalNumber0(X6)
          | ~ equal(X5,sdtasdt0(X4,X6))
          | equal(X6,sdtsldt0(X5,X4)) ) )
      | equal(X4,sz00)
      | ~ doDivides0(X4,X5)
      | ~ aNaturalNumber0(X4)
      | ~ aNaturalNumber0(X5) ),
    inference(shift_quantors,[status(thm)],[164]) ).

fof(166,plain,
    ! [X4,X5,X6] :
      ( ( aNaturalNumber0(X6)
        | ~ equal(X6,sdtsldt0(X5,X4))
        | equal(X4,sz00)
        | ~ doDivides0(X4,X5)
        | ~ aNaturalNumber0(X4)
        | ~ aNaturalNumber0(X5) )
      & ( equal(X5,sdtasdt0(X4,X6))
        | ~ equal(X6,sdtsldt0(X5,X4))
        | equal(X4,sz00)
        | ~ doDivides0(X4,X5)
        | ~ aNaturalNumber0(X4)
        | ~ aNaturalNumber0(X5) )
      & ( ~ aNaturalNumber0(X6)
        | ~ equal(X5,sdtasdt0(X4,X6))
        | equal(X6,sdtsldt0(X5,X4))
        | equal(X4,sz00)
        | ~ doDivides0(X4,X5)
        | ~ aNaturalNumber0(X4)
        | ~ aNaturalNumber0(X5) ) ),
    inference(distribute,[status(thm)],[165]) ).

cnf(168,plain,
    ( X2 = sz00
    | X1 = sdtasdt0(X2,X3)
    | ~ aNaturalNumber0(X1)
    | ~ aNaturalNumber0(X2)
    | ~ doDivides0(X2,X1)
    | X3 != sdtsldt0(X1,X2) ),
    inference(split_conjunct,[status(thm)],[166]) ).

fof(200,plain,
    ! [X1,X2] :
      ( ~ aNaturalNumber0(X1)
      | ~ aNaturalNumber0(X2)
      | aNaturalNumber0(sdtasdt0(X1,X2)) ),
    inference(fof_nnf,[status(thm)],[38]) ).

fof(201,plain,
    ! [X3,X4] :
      ( ~ aNaturalNumber0(X3)
      | ~ aNaturalNumber0(X4)
      | aNaturalNumber0(sdtasdt0(X3,X4)) ),
    inference(variable_rename,[status(thm)],[200]) ).

cnf(202,plain,
    ( aNaturalNumber0(sdtasdt0(X1,X2))
    | ~ aNaturalNumber0(X2)
    | ~ aNaturalNumber0(X1) ),
    inference(split_conjunct,[status(thm)],[201]) ).

fof(203,plain,
    ! [X1] :
      ( ~ aNaturalNumber0(X1)
      | ( ( ~ isPrime0(X1)
          | ( ~ equal(X1,sz00)
            & ~ equal(X1,sz10)
            & ! [X2] :
                ( ~ aNaturalNumber0(X2)
                | ~ doDivides0(X2,X1)
                | equal(X2,sz10)
                | equal(X2,X1) ) ) )
        & ( equal(X1,sz00)
          | equal(X1,sz10)
          | ? [X2] :
              ( aNaturalNumber0(X2)
              & doDivides0(X2,X1)
              & ~ equal(X2,sz10)
              & ~ equal(X2,X1) )
          | isPrime0(X1) ) ) ),
    inference(fof_nnf,[status(thm)],[39]) ).

fof(204,plain,
    ! [X3] :
      ( ~ aNaturalNumber0(X3)
      | ( ( ~ isPrime0(X3)
          | ( ~ equal(X3,sz00)
            & ~ equal(X3,sz10)
            & ! [X4] :
                ( ~ aNaturalNumber0(X4)
                | ~ doDivides0(X4,X3)
                | equal(X4,sz10)
                | equal(X4,X3) ) ) )
        & ( equal(X3,sz00)
          | equal(X3,sz10)
          | ? [X5] :
              ( aNaturalNumber0(X5)
              & doDivides0(X5,X3)
              & ~ equal(X5,sz10)
              & ~ equal(X5,X3) )
          | isPrime0(X3) ) ) ),
    inference(variable_rename,[status(thm)],[203]) ).

fof(205,plain,
    ! [X3] :
      ( ~ aNaturalNumber0(X3)
      | ( ( ~ isPrime0(X3)
          | ( ~ equal(X3,sz00)
            & ~ equal(X3,sz10)
            & ! [X4] :
                ( ~ aNaturalNumber0(X4)
                | ~ doDivides0(X4,X3)
                | equal(X4,sz10)
                | equal(X4,X3) ) ) )
        & ( equal(X3,sz00)
          | equal(X3,sz10)
          | ( aNaturalNumber0(esk3_1(X3))
            & doDivides0(esk3_1(X3),X3)
            & ~ equal(esk3_1(X3),sz10)
            & ~ equal(esk3_1(X3),X3) )
          | isPrime0(X3) ) ) ),
    inference(skolemize,[status(esa)],[204]) ).

fof(206,plain,
    ! [X3,X4] :
      ( ( ( ( ( ~ aNaturalNumber0(X4)
              | ~ doDivides0(X4,X3)
              | equal(X4,sz10)
              | equal(X4,X3) )
            & ~ equal(X3,sz00)
            & ~ equal(X3,sz10) )
          | ~ isPrime0(X3) )
        & ( equal(X3,sz00)
          | equal(X3,sz10)
          | ( aNaturalNumber0(esk3_1(X3))
            & doDivides0(esk3_1(X3),X3)
            & ~ equal(esk3_1(X3),sz10)
            & ~ equal(esk3_1(X3),X3) )
          | isPrime0(X3) ) )
      | ~ aNaturalNumber0(X3) ),
    inference(shift_quantors,[status(thm)],[205]) ).

fof(207,plain,
    ! [X3,X4] :
      ( ( ~ aNaturalNumber0(X4)
        | ~ doDivides0(X4,X3)
        | equal(X4,sz10)
        | equal(X4,X3)
        | ~ isPrime0(X3)
        | ~ aNaturalNumber0(X3) )
      & ( ~ equal(X3,sz00)
        | ~ isPrime0(X3)
        | ~ aNaturalNumber0(X3) )
      & ( ~ equal(X3,sz10)
        | ~ isPrime0(X3)
        | ~ aNaturalNumber0(X3) )
      & ( aNaturalNumber0(esk3_1(X3))
        | equal(X3,sz00)
        | equal(X3,sz10)
        | isPrime0(X3)
        | ~ aNaturalNumber0(X3) )
      & ( doDivides0(esk3_1(X3),X3)
        | equal(X3,sz00)
        | equal(X3,sz10)
        | isPrime0(X3)
        | ~ aNaturalNumber0(X3) )
      & ( ~ equal(esk3_1(X3),sz10)
        | equal(X3,sz00)
        | equal(X3,sz10)
        | isPrime0(X3)
        | ~ aNaturalNumber0(X3) )
      & ( ~ equal(esk3_1(X3),X3)
        | equal(X3,sz00)
        | equal(X3,sz10)
        | isPrime0(X3)
        | ~ aNaturalNumber0(X3) ) ),
    inference(distribute,[status(thm)],[206]) ).

cnf(213,plain,
    ( ~ aNaturalNumber0(X1)
    | ~ isPrime0(X1)
    | X1 != sz00 ),
    inference(split_conjunct,[status(thm)],[207]) ).

cnf(234,plain,
    xk = sdtsldt0(sdtasdt0(xn,xm),xp),
    inference(split_conjunct,[status(thm)],[45]) ).

cnf(243,plain,
    sdtlseqdt0(sdtasdt0(xp,xm),sdtasdt0(xp,xk)),
    inference(split_conjunct,[status(thm)],[49]) ).

cnf(245,plain,
    sdtlseqdt0(sdtasdt0(xn,xm),sdtasdt0(xp,xm)),
    inference(split_conjunct,[status(thm)],[49]) ).

cnf(246,plain,
    sdtasdt0(xn,xm) != sdtasdt0(xp,xm),
    inference(split_conjunct,[status(thm)],[49]) ).

cnf(259,plain,
    ( sz00 != xp
    | ~ aNaturalNumber0(xp) ),
    inference(spm,[status(thm)],[213,66,theory(equality)]) ).

cnf(261,plain,
    ( sz00 != xp
    | $false ),
    inference(rw,[status(thm)],[259,125,theory(equality)]) ).

cnf(262,plain,
    sz00 != xp,
    inference(cn,[status(thm)],[261,theory(equality)]) ).

cnf(419,plain,
    ( sdtasdt0(xp,xm) = sdtasdt0(xn,xm)
    | ~ sdtlseqdt0(sdtasdt0(xp,xm),sdtasdt0(xn,xm))
    | ~ aNaturalNumber0(sdtasdt0(xn,xm))
    | ~ aNaturalNumber0(sdtasdt0(xp,xm)) ),
    inference(spm,[status(thm)],[162,245,theory(equality)]) ).

cnf(435,plain,
    ( ~ sdtlseqdt0(sdtasdt0(xp,xm),sdtasdt0(xn,xm))
    | ~ aNaturalNumber0(sdtasdt0(xn,xm))
    | ~ aNaturalNumber0(sdtasdt0(xp,xm)) ),
    inference(sr,[status(thm)],[419,246,theory(equality)]) ).

cnf(620,plain,
    ( sdtasdt0(X1,sdtsldt0(X2,X1)) = X2
    | sz00 = X1
    | ~ doDivides0(X1,X2)
    | ~ aNaturalNumber0(X1)
    | ~ aNaturalNumber0(X2) ),
    inference(er,[status(thm)],[168,theory(equality)]) ).

cnf(6603,plain,
    ( sdtasdt0(xp,xk) = sdtasdt0(xn,xm)
    | sz00 = xp
    | ~ doDivides0(xp,sdtasdt0(xn,xm))
    | ~ aNaturalNumber0(xp)
    | ~ aNaturalNumber0(sdtasdt0(xn,xm)) ),
    inference(spm,[status(thm)],[620,234,theory(equality)]) ).

cnf(6643,plain,
    ( sdtasdt0(xp,xk) = sdtasdt0(xn,xm)
    | sz00 = xp
    | $false
    | ~ aNaturalNumber0(xp)
    | ~ aNaturalNumber0(sdtasdt0(xn,xm)) ),
    inference(rw,[status(thm)],[6603,65,theory(equality)]) ).

cnf(6644,plain,
    ( sdtasdt0(xp,xk) = sdtasdt0(xn,xm)
    | sz00 = xp
    | $false
    | $false
    | ~ aNaturalNumber0(sdtasdt0(xn,xm)) ),
    inference(rw,[status(thm)],[6643,125,theory(equality)]) ).

cnf(6645,plain,
    ( sdtasdt0(xp,xk) = sdtasdt0(xn,xm)
    | sz00 = xp
    | ~ aNaturalNumber0(sdtasdt0(xn,xm)) ),
    inference(cn,[status(thm)],[6644,theory(equality)]) ).

cnf(6646,plain,
    ( sdtasdt0(xn,xm) = sdtasdt0(xp,xk)
    | ~ aNaturalNumber0(sdtasdt0(xn,xm)) ),
    inference(sr,[status(thm)],[6645,262,theory(equality)]) ).

cnf(6678,plain,
    ( sdtasdt0(xn,xm) = sdtasdt0(xp,xk)
    | ~ aNaturalNumber0(xm)
    | ~ aNaturalNumber0(xn) ),
    inference(spm,[status(thm)],[6646,202,theory(equality)]) ).

cnf(6683,plain,
    ( sdtasdt0(xn,xm) = sdtasdt0(xp,xk)
    | $false
    | ~ aNaturalNumber0(xn) ),
    inference(rw,[status(thm)],[6678,126,theory(equality)]) ).

cnf(6684,plain,
    ( sdtasdt0(xn,xm) = sdtasdt0(xp,xk)
    | $false
    | $false ),
    inference(rw,[status(thm)],[6683,127,theory(equality)]) ).

cnf(6685,plain,
    sdtasdt0(xn,xm) = sdtasdt0(xp,xk),
    inference(cn,[status(thm)],[6684,theory(equality)]) ).

cnf(6692,plain,
    ( aNaturalNumber0(sdtasdt0(xp,xk))
    | ~ aNaturalNumber0(xm)
    | ~ aNaturalNumber0(xn) ),
    inference(spm,[status(thm)],[202,6685,theory(equality)]) ).

cnf(6745,plain,
    ( $false
    | ~ aNaturalNumber0(sdtasdt0(xn,xm))
    | ~ aNaturalNumber0(sdtasdt0(xp,xm)) ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[435,6685,theory(equality)]),243,theory(equality)]) ).

cnf(6746,plain,
    ( $false
    | ~ aNaturalNumber0(sdtasdt0(xp,xk))
    | ~ aNaturalNumber0(sdtasdt0(xp,xm)) ),
    inference(rw,[status(thm)],[6745,6685,theory(equality)]) ).

cnf(6747,plain,
    ( ~ aNaturalNumber0(sdtasdt0(xp,xk))
    | ~ aNaturalNumber0(sdtasdt0(xp,xm)) ),
    inference(cn,[status(thm)],[6746,theory(equality)]) ).

cnf(6748,plain,
    ( aNaturalNumber0(sdtasdt0(xp,xk))
    | $false
    | ~ aNaturalNumber0(xn) ),
    inference(rw,[status(thm)],[6692,126,theory(equality)]) ).

cnf(6749,plain,
    ( aNaturalNumber0(sdtasdt0(xp,xk))
    | $false
    | $false ),
    inference(rw,[status(thm)],[6748,127,theory(equality)]) ).

cnf(6750,plain,
    aNaturalNumber0(sdtasdt0(xp,xk)),
    inference(cn,[status(thm)],[6749,theory(equality)]) ).

cnf(7194,plain,
    ( $false
    | ~ aNaturalNumber0(sdtasdt0(xp,xm)) ),
    inference(rw,[status(thm)],[6747,6750,theory(equality)]) ).

cnf(7195,plain,
    ~ aNaturalNumber0(sdtasdt0(xp,xm)),
    inference(cn,[status(thm)],[7194,theory(equality)]) ).

cnf(7196,plain,
    ( ~ aNaturalNumber0(xm)
    | ~ aNaturalNumber0(xp) ),
    inference(spm,[status(thm)],[7195,202,theory(equality)]) ).

cnf(7199,plain,
    ( $false
    | ~ aNaturalNumber0(xp) ),
    inference(rw,[status(thm)],[7196,126,theory(equality)]) ).

cnf(7200,plain,
    ( $false
    | $false ),
    inference(rw,[status(thm)],[7199,125,theory(equality)]) ).

cnf(7201,plain,
    $false,
    inference(cn,[status(thm)],[7200,theory(equality)]) ).

cnf(7202,plain,
    $false,
    7201,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.01/0.03  % Problem  : NUM504+1 : TPTP v7.0.0. Released v4.0.0.
% 0.01/0.04  % Command  : Source/sine.py -e eprover -t %d %s
% 0.03/0.23  % Computer : n079.star.cs.uiowa.edu
% 0.03/0.23  % Model    : x86_64 x86_64
% 0.03/0.23  % CPU      : Intel(R) Xeon(R) CPU E5-2609 0 @ 2.40GHz
% 0.03/0.23  % Memory   : 32218.625MB
% 0.03/0.23  % OS       : Linux 3.10.0-693.2.2.el7.x86_64
% 0.03/0.24  % CPULimit : 300
% 0.03/0.24  % DateTime : Mon Jan  8 08:13:12 CST 2018
% 0.03/0.24  % CPUTime  : 
% 0.06/0.28  % SZS status Started for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.06/0.28  --creating new selector for []
% 0.06/0.49  -running prover on /export/starexec/sandbox2/tmp/tmp0F_3qa/sel_theBenchmark.p_1 with time limit 29
% 0.06/0.49  -running prover with command ['/export/starexec/sandbox2/solver/bin/Source/./Source/PROVER/eproof.working', '-s', '-tLPO4', '-xAuto', '-tAuto', '--memory-limit=768', '--tptp3-format', '--cpu-limit=29', '/export/starexec/sandbox2/tmp/tmp0F_3qa/sel_theBenchmark.p_1']
% 0.06/0.49  -prover status Theorem
% 0.06/0.49  Problem theBenchmark.p solved in phase 0.
% 0.06/0.49  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.06/0.49  % SZS status Ended for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.06/0.49  Solved 1 out of 1.
% 0.06/0.49  # Problem is unsatisfiable (or provable), constructing proof object
% 0.06/0.49  # SZS status Theorem
% 0.06/0.49  # SZS output start CNFRefutation.
% See solution above
% 0.06/0.49  # SZS output end CNFRefutation
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