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LEO-II---2.3.1.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : LEO-II---2.3.1
% Problem  : GRA014+1 : TPTP v9.3.1. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p

% 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 : Wed Oct  7 10:19:43 AM UTC 2026

% Result   : Theorem 0.30s 0.31s
% Output   : CNFRefutation 0.30s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   78 (  50 unt;   0 typ;   0 def)
%            Number of atoms       :  466 ( 116 equ;   0 cnn)
%            Maximal formula atoms :    5 (   5 avg)
%            Number of connectives :  714 ( 158   ~; 126   |;  22   &; 400   @)
%                                         (   0 <=>;   8  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   13 (  10 usr;   9 con; 0-2 aty)
%            Number of variables   :  129 (   0   ^; 129   !;   0   ?; 129   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_goal,type,
    goal: $o ).

thf(tp_green,type,
    green: $i > $i > $o ).

thf(tp_less_than,type,
    less_than: $i > $i > $o ).

thf(tp_n1,type,
    n1: $i ).

thf(tp_n2,type,
    n2: $i ).

thf(tp_n3,type,
    n3: $i ).

thf(tp_n4,type,
    n4: $i ).

thf(tp_n5,type,
    n5: $i ).

thf(tp_n6,type,
    n6: $i ).

thf(tp_red,type,
    red: $i > $i > $o ).

thf(1,axiom,
    ! [A: $i,B: $i] :
      ( ( less_than @ A @ B )
     => ( ( red @ A @ B )
        | ( green @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',partition) ).

thf(2,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( less_than @ A @ B )
        & ( less_than @ B @ C ) )
     => ( less_than @ A @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',less_than_transitive) ).

thf(3,axiom,
    ( ( less_than @ n1 @ n2 )
    & ( less_than @ n2 @ n3 )
    & ( less_than @ n3 @ n4 )
    & ( less_than @ n4 @ n5 )
    & ( less_than @ n5 @ n6 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ordering) ).

thf(4,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( green @ A @ B )
        & ( green @ B @ C )
        & ( green @ A @ C ) )
     => goal ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',green_clique) ).

thf(5,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( red @ A @ B )
        & ( red @ B @ C )
        & ( red @ A @ C ) )
     => goal ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',red_clique) ).

thf(6,conjecture,
    goal,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',goal_to_be_proved) ).

thf(7,negated_conjecture,
    goal = $false,
    inference(negate_conjecture,[status(cth)],[6]) ).

thf(8,plain,
    goal = $false,
    inference(unfold_def,[status(thm)],[7]) ).

thf(9,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( less_than @ A @ B )
         => ( ( red @ A @ B )
            | ( green @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(10,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( less_than @ A @ B )
            & ( less_than @ B @ C ) )
         => ( less_than @ A @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(11,plain,
    ( ( ( less_than @ n1 @ n2 )
      & ( less_than @ n2 @ n3 )
      & ( less_than @ n3 @ n4 )
      & ( less_than @ n4 @ n5 )
      & ( less_than @ n5 @ n6 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(12,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( green @ A @ B )
            & ( green @ B @ C )
            & ( green @ A @ C ) )
         => goal ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(13,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( red @ A @ B )
            & ( red @ B @ C )
            & ( red @ A @ C ) )
         => goal ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(14,plain,
    ( ( ~ goal ) = $true ),
    inference(polarity_switch,[status(thm)],[8]) ).

thf(15,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( less_than @ A @ B )
          | ( green @ A @ B )
          | ( red @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[9]) ).

thf(16,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( less_than @ A @ B )
          | ~ ( less_than @ B @ C )
          | ( less_than @ A @ C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[10]) ).

thf(17,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( green @ A @ B )
              | ~ ( green @ B @ C )
              | ~ ( green @ A @ C ) )
          | goal ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[12]) ).

thf(18,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( red @ A @ B )
              | ~ ( red @ B @ C )
              | ~ ( red @ A @ C ) )
          | goal ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[13]) ).

thf(19,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( red @ A @ B )
              | ~ ( red @ B @ C )
              | ~ ( red @ A @ C ) )
          | goal ) )
    = $true ),
    inference(copy,[status(thm)],[18]) ).

thf(20,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( green @ A @ B )
              | ~ ( green @ B @ C )
              | ~ ( green @ A @ C ) )
          | goal ) )
    = $true ),
    inference(copy,[status(thm)],[17]) ).

thf(21,plain,
    ( ( ( less_than @ n1 @ n2 )
      & ( less_than @ n2 @ n3 )
      & ( less_than @ n3 @ n4 )
      & ( less_than @ n4 @ n5 )
      & ( less_than @ n5 @ n6 ) )
    = $true ),
    inference(copy,[status(thm)],[11]) ).

thf(22,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( less_than @ A @ B )
          | ~ ( less_than @ B @ C )
          | ( less_than @ A @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[16]) ).

thf(23,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( less_than @ A @ B )
          | ( green @ A @ B )
          | ( red @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[15]) ).

thf(24,plain,
    ( ( ~ goal ) = $true ),
    inference(copy,[status(thm)],[14]) ).

thf(25,plain,
    ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( less_than @ n1 @ n2 )
                            | ~ ( less_than @ n2 @ n3 ) )
                      | ~ ( less_than @ n3 @ n4 ) )
                | ~ ( less_than @ n4 @ n5 ) )
          | ~ ( less_than @ n5 @ n6 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[21]) ).

thf(26,plain,
    ! [SV1: $i] :
      ( ( ! [SY11: $i,SY12: $i] :
            ( ~ ( red @ SV1 @ SY11 )
            | ~ ( red @ SY11 @ SY12 )
            | ~ ( red @ SV1 @ SY12 ) )
        | goal )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[19]) ).

thf(27,plain,
    ! [SV2: $i] :
      ( ( ! [SY13: $i,SY14: $i] :
            ( ~ ( green @ SV2 @ SY13 )
            | ~ ( green @ SY13 @ SY14 )
            | ~ ( green @ SV2 @ SY14 ) )
        | goal )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[20]) ).

thf(28,plain,
    ! [SV3: $i] :
      ( ( ! [SY15: $i,SY16: $i] :
            ( ~ ( less_than @ SV3 @ SY15 )
            | ~ ( less_than @ SY15 @ SY16 )
            | ( less_than @ SV3 @ SY16 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[22]) ).

thf(29,plain,
    ! [SV4: $i] :
      ( ( ! [SY17: $i] :
            ( ~ ( less_than @ SV4 @ SY17 )
            | ( green @ SV4 @ SY17 )
            | ( red @ SV4 @ SY17 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[23]) ).

thf(30,plain,
    goal = $false,
    inference(extcnf_not_pos,[status(thm)],[24]) ).

thf(31,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( less_than @ n1 @ n2 )
                        | ~ ( less_than @ n2 @ n3 ) )
                  | ~ ( less_than @ n3 @ n4 ) )
            | ~ ( less_than @ n4 @ n5 ) )
      | ~ ( less_than @ n5 @ n6 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[25]) ).

thf(32,plain,
    ! [SV1: $i] :
      ( ( ( ! [SY11: $i,SY12: $i] :
              ( ~ ( red @ SV1 @ SY11 )
              | ~ ( red @ SY11 @ SY12 )
              | ~ ( red @ SV1 @ SY12 ) ) )
        = $true )
      | ( goal = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[26]) ).

thf(33,plain,
    ! [SV2: $i] :
      ( ( ( ! [SY13: $i,SY14: $i] :
              ( ~ ( green @ SV2 @ SY13 )
              | ~ ( green @ SY13 @ SY14 )
              | ~ ( green @ SV2 @ SY14 ) ) )
        = $true )
      | ( goal = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[27]) ).

thf(34,plain,
    ! [SV5: $i,SV3: $i] :
      ( ( ! [SY18: $i] :
            ( ~ ( less_than @ SV3 @ SV5 )
            | ~ ( less_than @ SV5 @ SY18 )
            | ( less_than @ SV3 @ SY18 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[28]) ).

thf(35,plain,
    ! [SV6: $i,SV4: $i] :
      ( ( ~ ( less_than @ SV4 @ SV6 )
        | ( green @ SV4 @ SV6 )
        | ( red @ SV4 @ SV6 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[29]) ).

thf(36,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( less_than @ n1 @ n2 )
                        | ~ ( less_than @ n2 @ n3 ) )
                  | ~ ( less_than @ n3 @ n4 ) )
            | ~ ( less_than @ n4 @ n5 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[31]) ).

thf(37,plain,
    ( ( ~ ( less_than @ n5 @ n6 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[31]) ).

thf(38,plain,
    ! [SV7: $i,SV1: $i] :
      ( ( ( ! [SY19: $i] :
              ( ~ ( red @ SV1 @ SV7 )
              | ~ ( red @ SV7 @ SY19 )
              | ~ ( red @ SV1 @ SY19 ) ) )
        = $true )
      | ( goal = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[32]) ).

thf(39,plain,
    ! [SV8: $i,SV2: $i] :
      ( ( ( ! [SY20: $i] :
              ( ~ ( green @ SV2 @ SV8 )
              | ~ ( green @ SV8 @ SY20 )
              | ~ ( green @ SV2 @ SY20 ) ) )
        = $true )
      | ( goal = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[33]) ).

thf(40,plain,
    ! [SV9: $i,SV5: $i,SV3: $i] :
      ( ( ~ ( less_than @ SV3 @ SV5 )
        | ~ ( less_than @ SV5 @ SV9 )
        | ( less_than @ SV3 @ SV9 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[34]) ).

thf(41,plain,
    ! [SV6: $i,SV4: $i] :
      ( ( ( ~ ( less_than @ SV4 @ SV6 ) )
        = $true )
      | ( ( ( green @ SV4 @ SV6 )
          | ( red @ SV4 @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[35]) ).

thf(42,plain,
    ( ( ~ ( ~ ~ ( ~ ~ ( ~ ( less_than @ n1 @ n2 )
                      | ~ ( less_than @ n2 @ n3 ) )
                | ~ ( less_than @ n3 @ n4 ) )
          | ~ ( less_than @ n4 @ n5 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[36]) ).

thf(43,plain,
    ( ( less_than @ n5 @ n6 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[37]) ).

thf(44,plain,
    ! [SV10: $i,SV7: $i,SV1: $i] :
      ( ( ( ~ ( red @ SV1 @ SV7 )
          | ~ ( red @ SV7 @ SV10 )
          | ~ ( red @ SV1 @ SV10 ) )
        = $true )
      | ( goal = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[38]) ).

thf(45,plain,
    ! [SV11: $i,SV8: $i,SV2: $i] :
      ( ( ( ~ ( green @ SV2 @ SV8 )
          | ~ ( green @ SV8 @ SV11 )
          | ~ ( green @ SV2 @ SV11 ) )
        = $true )
      | ( goal = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[39]) ).

thf(46,plain,
    ! [SV9: $i,SV5: $i,SV3: $i] :
      ( ( ( ~ ( less_than @ SV3 @ SV5 )
          | ~ ( less_than @ SV5 @ SV9 ) )
        = $true )
      | ( ( less_than @ SV3 @ SV9 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[40]) ).

thf(47,plain,
    ! [SV6: $i,SV4: $i] :
      ( ( ( less_than @ SV4 @ SV6 )
        = $false )
      | ( ( ( green @ SV4 @ SV6 )
          | ( red @ SV4 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[41]) ).

thf(48,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ( less_than @ n1 @ n2 )
                  | ~ ( less_than @ n2 @ n3 ) )
            | ~ ( less_than @ n3 @ n4 ) )
      | ~ ( less_than @ n4 @ n5 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[42]) ).

thf(49,plain,
    ! [SV10: $i,SV7: $i,SV1: $i] :
      ( ( ( ~ ( red @ SV1 @ SV7 )
          | ~ ( red @ SV7 @ SV10 ) )
        = $true )
      | ( ( ~ ( red @ SV1 @ SV10 ) )
        = $true )
      | ( goal = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[44]) ).

thf(50,plain,
    ! [SV11: $i,SV8: $i,SV2: $i] :
      ( ( ( ~ ( green @ SV2 @ SV8 )
          | ~ ( green @ SV8 @ SV11 ) )
        = $true )
      | ( ( ~ ( green @ SV2 @ SV11 ) )
        = $true )
      | ( goal = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[45]) ).

thf(51,plain,
    ! [SV9: $i,SV5: $i,SV3: $i] :
      ( ( ( ~ ( less_than @ SV3 @ SV5 ) )
        = $true )
      | ( ( ~ ( less_than @ SV5 @ SV9 ) )
        = $true )
      | ( ( less_than @ SV3 @ SV9 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[46]) ).

thf(52,plain,
    ! [SV6: $i,SV4: $i] :
      ( ( ( green @ SV4 @ SV6 )
        = $true )
      | ( ( red @ SV4 @ SV6 )
        = $true )
      | ( ( less_than @ SV4 @ SV6 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[47]) ).

thf(53,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ( less_than @ n1 @ n2 )
                  | ~ ( less_than @ n2 @ n3 ) )
            | ~ ( less_than @ n3 @ n4 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[48]) ).

thf(54,plain,
    ( ( ~ ( less_than @ n4 @ n5 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[48]) ).

thf(55,plain,
    ! [SV10: $i,SV7: $i,SV1: $i] :
      ( ( ( ~ ( red @ SV1 @ SV7 ) )
        = $true )
      | ( ( ~ ( red @ SV7 @ SV10 ) )
        = $true )
      | ( ( ~ ( red @ SV1 @ SV10 ) )
        = $true )
      | ( goal = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[49]) ).

thf(56,plain,
    ! [SV11: $i,SV8: $i,SV2: $i] :
      ( ( ( ~ ( green @ SV2 @ SV8 ) )
        = $true )
      | ( ( ~ ( green @ SV8 @ SV11 ) )
        = $true )
      | ( ( ~ ( green @ SV2 @ SV11 ) )
        = $true )
      | ( goal = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[50]) ).

thf(57,plain,
    ! [SV9: $i,SV5: $i,SV3: $i] :
      ( ( ( less_than @ SV3 @ SV5 )
        = $false )
      | ( ( ~ ( less_than @ SV5 @ SV9 ) )
        = $true )
      | ( ( less_than @ SV3 @ SV9 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[51]) ).

thf(58,plain,
    ( ( ~ ( ~ ~ ( ~ ( less_than @ n1 @ n2 )
                | ~ ( less_than @ n2 @ n3 ) )
          | ~ ( less_than @ n3 @ n4 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[53]) ).

thf(59,plain,
    ( ( less_than @ n4 @ n5 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[54]) ).

thf(60,plain,
    ! [SV10: $i,SV7: $i,SV1: $i] :
      ( ( ( red @ SV1 @ SV7 )
        = $false )
      | ( ( ~ ( red @ SV7 @ SV10 ) )
        = $true )
      | ( ( ~ ( red @ SV1 @ SV10 ) )
        = $true )
      | ( goal = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[55]) ).

thf(61,plain,
    ! [SV11: $i,SV8: $i,SV2: $i] :
      ( ( ( green @ SV2 @ SV8 )
        = $false )
      | ( ( ~ ( green @ SV8 @ SV11 ) )
        = $true )
      | ( ( ~ ( green @ SV2 @ SV11 ) )
        = $true )
      | ( goal = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[56]) ).

thf(62,plain,
    ! [SV3: $i,SV9: $i,SV5: $i] :
      ( ( ( less_than @ SV5 @ SV9 )
        = $false )
      | ( ( less_than @ SV3 @ SV5 )
        = $false )
      | ( ( less_than @ SV3 @ SV9 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[57]) ).

thf(63,plain,
    ( ( ~ ~ ( ~ ( less_than @ n1 @ n2 )
            | ~ ( less_than @ n2 @ n3 ) )
      | ~ ( less_than @ n3 @ n4 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[58]) ).

thf(64,plain,
    ! [SV1: $i,SV10: $i,SV7: $i] :
      ( ( ( red @ SV7 @ SV10 )
        = $false )
      | ( ( red @ SV1 @ SV7 )
        = $false )
      | ( ( ~ ( red @ SV1 @ SV10 ) )
        = $true )
      | ( goal = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[60]) ).

thf(65,plain,
    ! [SV2: $i,SV11: $i,SV8: $i] :
      ( ( ( green @ SV8 @ SV11 )
        = $false )
      | ( ( green @ SV2 @ SV8 )
        = $false )
      | ( ( ~ ( green @ SV2 @ SV11 ) )
        = $true )
      | ( goal = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[61]) ).

thf(66,plain,
    ( ( ~ ~ ( ~ ( less_than @ n1 @ n2 )
            | ~ ( less_than @ n2 @ n3 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[63]) ).

thf(67,plain,
    ( ( ~ ( less_than @ n3 @ n4 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[63]) ).

thf(68,plain,
    ! [SV7: $i,SV10: $i,SV1: $i] :
      ( ( ( red @ SV1 @ SV10 )
        = $false )
      | ( ( red @ SV1 @ SV7 )
        = $false )
      | ( ( red @ SV7 @ SV10 )
        = $false )
      | ( goal = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[64]) ).

thf(69,plain,
    ! [SV8: $i,SV11: $i,SV2: $i] :
      ( ( ( green @ SV2 @ SV11 )
        = $false )
      | ( ( green @ SV2 @ SV8 )
        = $false )
      | ( ( green @ SV8 @ SV11 )
        = $false )
      | ( goal = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[65]) ).

thf(70,plain,
    ( ( ~ ( ~ ( less_than @ n1 @ n2 )
          | ~ ( less_than @ n2 @ n3 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[66]) ).

thf(71,plain,
    ( ( less_than @ n3 @ n4 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[67]) ).

thf(72,plain,
    ( ( ~ ( less_than @ n1 @ n2 )
      | ~ ( less_than @ n2 @ n3 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[70]) ).

thf(73,plain,
    ( ( ~ ( less_than @ n1 @ n2 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[72]) ).

thf(74,plain,
    ( ( ~ ( less_than @ n2 @ n3 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[72]) ).

thf(75,plain,
    ( ( less_than @ n1 @ n2 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[73]) ).

thf(76,plain,
    ( ( less_than @ n2 @ n3 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[74]) ).

thf(77,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[30,76,75,71,69,68,62,59,52,43]) ).

thf(78,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[77]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : GRA014+1 : TPTP v9.3.1. Released v3.2.0.
% 0.00/0.04  % Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.18  % Computer : n026.cluster.edu
% 0.13/0.18  % Model    : x86_64 x86_64
% 0.13/0.18  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.18  % Memory   : 8046.5625MB
% 0.13/0.18  % OS       : Linux 6.8.0-71-generic
% 0.13/0.18  % CPULimit : 300
% 0.13/0.18  % WCLimit  : 300
% 0.13/0.18  % DateTime : Tue Oct  6 10:25:01 UTC 2026
% 0.13/0.19  % CPUTime  : 
% 0.13/0.19  Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.30/0.31  
% 0.30/0.31   No.of.Axioms: 5
% 0.30/0.31  
% 0.30/0.31   Length.of.Defs: 0
% 0.30/0.31  
% 0.30/0.31   Contains.Choice.Funs: false
% 0.30/0.31  .
% 0.30/0.31  
% 0.30/0.31  ********************************
% 0.30/0.31  *   All subproblems solved!    *
% 0.30/0.31  ********************************
% 0.30/0.31  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:5,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:299,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:77,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.30/0.31  
% 0.30/0.31  %**** Beginning of derivation protocol ****
% 0.30/0.31  % SZS output start CNFRefutation
% See solution above
% 0.30/0.31  
% 0.30/0.31  %**** End of derivation protocol ****
% 0.30/0.31  %**** no. of clauses in derivation: 78 ****
% 0.30/0.31  %**** clause counter: 77 ****
% 0.30/0.31  
% 0.30/0.31  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:5,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:299,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:77,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------