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Leo-III---1.8.0.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Leo-III---1.8.0
% Problem  : SWX239_1 : TPTP v9.3.1. Released v9.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39

% Computer : n015.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 : Sun Sep 27 09:15:22 AM UTC 2026

% Result   : Theorem 9.84s 3.83s
% Output   : Refutation 10.24s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :   73
% Syntax   : Number of formulae    :  148 ( 102 unt;   0 typ;   0 def)
%            Number of atoms       :  252 ( 149 equ;   0 cnn)
%            Maximal formula atoms :    6 (   1 avg)
%            Number of connectives :  895 (  96   ~;   9   |;  19   &; 691   @)
%                                         (  10 <=>;  68  =>;   0  <=;   2 <~>)
%            Maximal formula depth :   11 (   5 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   39 (  37 usr;   6 con; 0-3 aty)
%            Number of variables   :  276 (   0   ^; 270   !;   6   ?; 276   :)

% Comments : 
%------------------------------------------------------------------------------
thf(cons3_decl,type,
    cons3: $o > $i > $i ).

thf(rec_decl,type,
    rec: $i > $i > $o ).

thf(reck2_decl,type,
    reck2: $i > $i > $o ).

thf(splits_decl,type,
    splits: $i > $i > $i ).

thf(nil_decl,type,
    nil: $i ).

thf(z_decl,type,
    z: $i > $i > $i ).

thf(nil4_decl,type,
    nil4: $i ).

thf(eps2_decl,type,
    eps2: $i > $o ).

thf(step_decl,type,
    step: $i > $i > $i ).

thf(y_decl,type,
    y: $i > $i > $i ).

thf(x_decl,type,
    x: $i > $i > $i ).

thf(proj1Star_decl,type,
    proj1Star: $i > $i ).

thf(star_decl,type,
    star: $i > $i ).

thf(head3_decl,type,
    head3: $i > $o ).

thf(atom_decl,type,
    atom: $i > $i ).

thf(eps_decl,type,
    eps: $i ).

thf(tail3_decl,type,
    tail3: $i > $i ).

thf(splits2_decl,type,
    splits2: $i > $i ).

thf(nil2_decl,type,
    nil2: $i ).

thf(cons_decl,type,
    cons: $i > $i > $i ).

thf(pair2_decl,type,
    pair2: $i > $i > $i ).

thf(proj2_decl,type,
    proj2: $i > $i ).

thf(x2_decl,type,
    x2: $i > $i > $i ).

thf(proj1_decl,type,
    proj1: $i > $i ).

thf(head_decl,type,
    head: $i > $i ).

thf(cons2_decl,type,
    cons2: $i > $i > $i ).

thf(or2_decl,type,
    or2: $i > $o ).

thf(nil3_decl,type,
    nil3: $i ).

thf(proj22_decl,type,
    proj22: $i > $i ).

thf(proj12_decl,type,
    proj12: $i > $i ).

thf(tail_decl,type,
    tail: $i > $i ).

thf(proj1pair_decl,type,
    proj1pair: $i > $i ).

thf(proj1Atom_decl,type,
    proj1Atom: $i > $i ).

thf(head2_decl,type,
    head2: $i > $i ).

thf(proj2pair_decl,type,
    proj2pair: $i > $i ).

thf(reck_decl,type,
    reck: $i > $i > $i > $i ).

thf(tail2_decl,type,
    tail2: $i > $i ).

thf(70,axiom,
    nil2 @ ( eps @ reck2 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_066) ).

thf(347,plain,
    nil2 @ ( eps @ reck2 ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[70]) ).

thf(44,axiom,
    ! [A: $i,B: $i] :
      ( eps
     != ( B @ ( A @ y ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_029) ).

thf(228,plain,
    ! [A: $i,B: $i] :
      ( eps
     != ( B @ ( A @ y ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[44]) ).

thf(51,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ pair2 ) @ proj2pair )
      = B ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_003) ).

thf(252,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ pair2 ) @ proj2pair )
      = B ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[51]) ).

thf(74,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( A @ ( C @ ( B @ y ) @ reck2 ) )
    <=> ( A @ splits2 @ ( C @ ( B @ reck ) ) @ or2 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_072) ).

thf(360,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( A @ splits2 @ ( C @ ( B @ reck ) ) @ or2 )
       => ( A @ ( C @ ( B @ y ) @ reck2 ) ) )
      & ( ( A @ ( C @ ( B @ y ) @ reck2 ) )
       => ( A @ splits2 @ ( C @ ( B @ reck ) ) @ or2 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[74]) ).

thf(15,axiom,
    nil4 != eps,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_022) ).

thf(130,plain,
    nil4 != eps,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).

thf(5,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ~ ( B @ eps2 )
     => ( ( A @ ( C @ ( B @ y ) @ step ) )
        = ( nil4 @ ( C @ ( A @ ( B @ step ) @ y ) @ x ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_061) ).

thf(87,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ~ ( B @ eps2 )
     => ( ( A @ ( C @ ( B @ y ) @ step ) )
        = ( nil4 @ ( C @ ( A @ ( B @ step ) @ y ) @ x ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(30,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( B @ ( D @ ( C @ pair2 ) @ cons ) @ ( A @ splits ) )
      = ( B @ ( A @ splits ) @ ( D @ ( C @ ( A @ cons2 ) @ pair2 ) @ cons ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_046) ).

thf(184,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( B @ ( D @ ( C @ pair2 ) @ cons ) @ ( A @ splits ) )
      = ( B @ ( A @ splits ) @ ( D @ ( C @ ( A @ cons2 ) @ pair2 ) @ cons ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[30]) ).

thf(10,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ y ) )
     != ( C @ star ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_036) ).

thf(110,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ y ) )
     != ( C @ star ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(34,axiom,
    ! [A: $i] :
      ( eps
     != ( A @ star ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_030) ).

thf(196,plain,
    ! [A: $i] :
      ( eps
     != ( A @ star ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[34]) ).

thf(23,axiom,
    ! [A: $i,B: $i] :
      ( nil
     != ( B @ ( A @ cons ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_006) ).

thf(157,plain,
    ! [A: $i,B: $i] :
      ( nil
     != ( B @ ( A @ cons ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[23]) ).

thf(25,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( B @ ( A @ x ) )
     != ( D @ ( C @ y ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_034) ).

thf(164,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( B @ ( A @ x ) )
     != ( D @ ( C @ y ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[25]) ).

thf(28,axiom,
    ! [A: $i] : ( A @ star @ eps2 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_055) ).

thf(179,plain,
    ! [A: $i] : ( A @ star @ eps2 ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[28]) ).

thf(65,axiom,
    ! [A: $i] :
      ( ( nil2 @ ( A @ rec ) )
    <=> ( A @ eps2 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_063) ).

thf(321,plain,
    ! [A: $i] :
      ( ( ( A @ eps2 )
       => ( nil2 @ ( A @ rec ) ) )
      & ( ( nil2 @ ( A @ rec ) )
       => ( A @ eps2 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[65]) ).

thf(9,axiom,
    ! [A: $i,B: $i] :
      ( nil4
     != ( B @ ( A @ y ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_025) ).

thf(106,plain,
    ! [A: $i,B: $i] :
      ( nil4
     != ( B @ ( A @ y ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(71,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ~ ( D @ ( C @ cons2 ) @ ( B @ cons2 ) @ ( A @ atom @ reck2 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_070) ).

thf(348,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ~ ( D @ ( C @ cons2 ) @ ( B @ cons2 ) @ ( A @ atom @ reck2 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[71]) ).

thf(4,axiom,
    ! [A: $i] :
      ( ( A @ ( nil4 @ z ) )
      = nil4 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_041) ).

thf(84,plain,
    ! [A: $i] :
      ( ( A @ ( nil4 @ z ) )
      = nil4 ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(20,axiom,
    ! [A: $i] :
      ( ( A != nil4 )
     => ( ( nil4 @ ( A @ x2 ) )
        = A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_043) ).

thf(147,plain,
    ! [A: $i] :
      ( ( A != nil4 )
     => ( ( nil4 @ ( A @ x2 ) )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).

thf(16,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( A @ atom )
     != ( C @ ( B @ x ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_031) ).

thf(133,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( A @ atom )
     != ( C @ ( B @ x ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).

thf(62,axiom,
    ! [A: $i] :
      ~ ( nil2 @ ( A @ atom @ reck2 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_068) ).

thf(307,plain,
    ! [A: $i] :
      ~ ( nil2 @ ( A @ atom @ reck2 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[62]) ).

thf(59,axiom,
    ! [A: $i,B: $i] :
      ( ( A != nil4 )
     => ( ( B != nil4 )
       => ( ( B @ ( A @ x2 ) )
          = ( B @ ( A @ x ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_042) ).

thf(292,plain,
    ! [A: $i,B: $i] :
      ( ( A != nil4 )
     => ( ( B != nil4 )
       => ( ( B @ ( A @ x2 ) )
          = ( B @ ( A @ x ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[59]) ).

thf(50,axiom,
    ! [A: $i] :
      ( nil4
     != ( A @ atom ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_023) ).

thf(248,plain,
    ! [A: $i] :
      ( nil4
     != ( A @ atom ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[50]) ).

thf(12,axiom,
    ! [A: $o,B: $i] :
      ( ( B @ ( A @ cons3 ) @ tail3 )
      = B ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_011) ).

thf(117,plain,
    ! [A: $o,B: $i] :
      ( ( B @ ( A @ cons3 ) @ tail3 )
      = B ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(8,axiom,
    ! [A: $i,B: $i] :
      ( ( B = A )
     => ( ( A @ ( B @ atom @ step ) )
        = eps ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_057) ).

thf(102,plain,
    ! [A: $i,B: $i] :
      ( ( B = A )
     => ( ( A @ ( B @ atom @ step ) )
        = eps ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(67,axiom,
    ! [A: $i,B: $i] :
      ( ( nil2 @ ( B @ cons2 ) @ ( A @ atom @ reck2 ) )
    <=> ( A = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_069) ).

thf(334,plain,
    ! [A: $i,B: $i] :
      ( ( ( A = B )
       => ( nil2 @ ( B @ cons2 ) @ ( A @ atom @ reck2 ) ) )
      & ( ( nil2 @ ( B @ cons2 ) @ ( A @ atom @ reck2 ) )
       => ( A = B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[67]) ).

thf(17,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ x ) @ proj2 )
      = B ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_018) ).

thf(137,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ x ) @ proj2 )
      = B ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[17]) ).

thf(13,axiom,
    ( ( nil2 @ splits2 )
    = ( nil @ ( nil2 @ ( nil2 @ pair2 ) @ cons ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_047) ).

thf(124,plain,
    ( ( nil2 @ splits2 )
    = ( nil @ ( nil2 @ ( nil2 @ pair2 ) @ cons ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(43,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ y ) @ proj12 )
      = A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_019) ).

thf(225,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ y ) @ proj12 )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[43]) ).

thf(24,axiom,
    ! [A: $i] :
      ( ( A @ ( nil4 @ x2 ) )
      = A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_044) ).

thf(161,plain,
    ! [A: $i] :
      ( ( A @ ( nil4 @ x2 ) )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[24]) ).

thf(60,axiom,
    ! [A: $i,B: $i] :
      ( nil2
     != ( B @ ( A @ cons2 ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_009) ).

thf(296,plain,
    ! [A: $i,B: $i] :
      ( nil2
     != ( B @ ( A @ cons2 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[60]) ).

thf(53,axiom,
    ! [A: $o,B: $i] :
      ( nil3
     != ( B @ ( A @ cons3 ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_012) ).

thf(259,plain,
    ! [A: $o,B: $i] :
      ( nil3
     != ( B @ ( A @ cons3 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[53]) ).

thf(58,axiom,
    ! [A: $o,B: $i] :
      ( ( B @ ( A @ cons3 ) @ or2 )
    <=> ( ( B @ or2 )
        | A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_050) ).

thf(281,plain,
    ! [A: $o,B: $i] :
      ( ( ( ( B @ or2 )
          | A )
       => ( B @ ( A @ cons3 ) @ or2 ) )
      & ( ( B @ ( A @ cons3 ) @ or2 )
       => ( ( B @ or2 )
          | A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[58]) ).

thf(36,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ y ) @ proj22 )
      = B ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_020) ).

thf(204,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ y ) @ proj22 )
      = B ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[36]) ).

thf(64,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( A @ ( C @ ( B @ x ) @ reck2 ) )
    <=> ( ( A @ ( C @ reck2 ) )
        | ( A @ ( B @ reck2 ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_071) ).

thf(313,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( ( A @ ( C @ reck2 ) )
          | ( A @ ( B @ reck2 ) ) )
       => ( A @ ( C @ ( B @ x ) @ reck2 ) ) )
      & ( ( A @ ( C @ ( B @ x ) @ reck2 ) )
       => ( ( A @ ( C @ reck2 ) )
          | ( A @ ( B @ reck2 ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[64]) ).

thf(46,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ cons ) @ tail )
      = B ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_005) ).

thf(236,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ cons ) @ tail )
      = B ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[46]) ).

thf(29,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ cons ) @ head )
      = A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_004) ).

thf(181,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ cons ) @ head )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[29]) ).

thf(31,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( A @ ( C @ ( B @ x ) @ step ) )
      = ( A @ ( C @ step ) @ ( A @ ( B @ step ) @ x ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_059) ).

thf(187,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( A @ ( C @ ( B @ x ) @ step ) )
      = ( A @ ( C @ step ) @ ( A @ ( B @ step ) @ x ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[31]) ).

thf(41,axiom,
    ! [A: $i] :
      ( ( A != nil4 )
     => ( ( A @ ( eps @ z ) )
        = A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_039) ).

thf(219,plain,
    ! [A: $i] :
      ( ( A != nil4 )
     => ( ( A @ ( eps @ z ) )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[41]) ).

thf(56,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ cons2 ) @ splits2 )
      = ( B @ splits2 @ ( A @ splits ) @ ( B @ ( A @ cons2 ) @ ( nil2 @ pair2 ) @ cons ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_048) ).

thf(274,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ cons2 ) @ splits2 )
      = ( B @ splits2 @ ( A @ splits ) @ ( B @ ( A @ cons2 ) @ ( nil2 @ pair2 ) @ cons ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[56]) ).

thf(3,axiom,
    ! [A: $i] :
      ( ( nil @ ( A @ splits ) )
      = nil ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_045) ).

thf(81,plain,
    ! [A: $i] :
      ( ( nil @ ( A @ splits ) )
      = nil ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(49,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ cons2 ) @ head2 )
      = A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_007) ).

thf(245,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ cons2 ) @ head2 )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[49]) ).

thf(55,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ cons2 ) @ tail2 )
      = B ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_008) ).

thf(271,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ cons2 ) @ tail2 )
      = B ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[55]) ).

thf(69,axiom,
    ! [A: $i] : ( nil2 @ ( A @ star @ reck2 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_073) ).

thf(345,plain,
    ! [A: $i] : ( nil2 @ ( A @ star @ reck2 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[69]) ).

thf(18,axiom,
    ! [A: $i,B: $i] :
      ( ( B != A )
     => ( ( A @ ( B @ atom @ step ) )
        = nil4 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_058) ).

thf(140,plain,
    ! [A: $i,B: $i] :
      ( ( B != A )
     => ( ( A @ ( B @ atom @ step ) )
        = nil4 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[18]) ).

thf(6,axiom,
    ! [A: $i] :
      ( ( A @ star @ proj1Star )
      = A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_021) ).

thf(91,plain,
    ! [A: $i] :
      ( ( A @ star @ proj1Star )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(52,axiom,
    ! [A: $i,B: $i] :
      ( ( A
       != ( A @ proj1Atom @ atom ) )
     => ( ( A
         != ( A @ proj2 @ ( A @ proj1 @ x ) ) )
       => ( ( A
           != ( A @ proj22 @ ( A @ proj12 @ y ) ) )
         => ( ( A
             != ( A @ proj1Star @ star ) )
           => ( ( B @ ( A @ step ) )
              = nil4 ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_056) ).

thf(255,plain,
    ! [A: $i,B: $i] :
      ( ( A
       != ( A @ proj1Atom @ atom ) )
     => ( ( A
         != ( A @ proj2 @ ( A @ proj1 @ x ) ) )
       => ( ( A
           != ( A @ proj22 @ ( A @ proj12 @ y ) ) )
         => ( ( A
             != ( A @ proj1Star @ star ) )
           => ( ( B @ ( A @ step ) )
              = nil4 ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[52]) ).

thf(68,axiom,
    ! [A: $i,B: $i,C: $i,D: $i,E: $i] :
      ( ( C @ ( E @ ( D @ pair2 ) @ cons ) @ ( B @ ( A @ reck ) ) )
      = ( C @ ( B @ ( A @ reck ) )
        @ ( ( ( E @ ( B @ rec ) )
            & ( D @ ( A @ reck2 ) ) )
          @ cons3 ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_076) ).

thf(342,plain,
    ! [A: $i,B: $i,C: $i,D: $i,E: $i] :
      ( ( C @ ( E @ ( D @ pair2 ) @ cons ) @ ( B @ ( A @ reck ) ) )
      = ( C @ ( B @ ( A @ reck ) )
        @ ( ( ( E @ ( B @ rec ) )
            & ( D @ ( A @ reck2 ) ) )
          @ cons3 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[68]) ).

thf(33,axiom,
    ~ ( nil3 @ or2 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_049) ).

thf(194,plain,
    ~ ( nil3 @ or2 ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[33]) ).

thf(21,axiom,
    ! [A: $i,B: $i] :
      ( ( A != nil4 )
     => ( ( B != nil4 )
       => ( ( A != eps )
         => ( ( B != eps )
           => ( ( B @ ( A @ z ) )
              = ( B @ ( A @ y ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_037) ).

thf(150,plain,
    ! [A: $i,B: $i] :
      ( ( A != nil4 )
     => ( ( B != nil4 )
       => ( ( A != eps )
         => ( ( B != eps )
           => ( ( B @ ( A @ z ) )
              = ( B @ ( A @ y ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[21]) ).

thf(66,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ ( B @ cons2 ) @ ( A @ star @ reck2 ) )
    <=> ( ( C @ ( B @ cons2 ) @ ( A @ star @ ( A @ y ) @ rec ) )
        & ~ ( A @ eps2 ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_074) ).

thf(327,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( ( C @ ( B @ cons2 ) @ ( A @ star @ ( A @ y ) @ rec ) )
          & ~ ( A @ eps2 ) )
       => ( C @ ( B @ cons2 ) @ ( A @ star @ reck2 ) ) )
      & ( ( C @ ( B @ cons2 ) @ ( A @ star @ reck2 ) )
       => ( ( C @ ( B @ cons2 ) @ ( A @ star @ ( A @ y ) @ rec ) )
          & ~ ( A @ eps2 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[66]) ).

thf(63,axiom,
    ! [A: $i] :
      ~ ( A @ ( nil4 @ reck2 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_065) ).

thf(310,plain,
    ! [A: $i] :
      ~ ( A @ ( nil4 @ reck2 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[63]) ).

thf(22,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ x ) @ proj1 )
      = A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_017) ).

thf(154,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ x ) @ proj1 )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[22]) ).

thf(19,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ atom )
     != ( B @ star ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_033) ).

thf(143,plain,
    ! [A: $i,B: $i] :
      ( ( A @ atom )
     != ( B @ star ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).

thf(72,axiom,
    ! [A: $i,B: $i] :
      ~ ( B @ ( A @ cons2 ) @ ( eps @ reck2 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_067) ).

thf(351,plain,
    ! [A: $i,B: $i] :
      ~ ( B @ ( A @ cons2 ) @ ( eps @ reck2 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[72]) ).

thf(11,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ star @ step ) )
      = ( B @ star @ ( A @ ( B @ step ) @ y ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_062) ).

thf(114,plain,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ star @ step ) )
      = ( B @ star @ ( A @ ( B @ step ) @ y ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(27,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ x ) @ eps2 )
    <=> ( ( B @ eps2 )
        | ( A @ eps2 ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_053) ).

thf(171,plain,
    ! [A: $i,B: $i] :
      ( ( ( ( B @ eps2 )
          | ( A @ eps2 ) )
       => ( B @ ( A @ x ) @ eps2 ) )
      & ( ( B @ ( A @ x ) @ eps2 )
       => ( ( B @ eps2 )
          | ( A @ eps2 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[27]) ).

thf(1,conjecture,
    ? [A: $i,B: $i] :
      ( ( B @ ( A @ rec ) )
    <~> ( B @ ( A @ reck2 ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',goal_077) ).

thf(2,negated_conjecture,
    ~ ? [A: $i,B: $i] :
        ( ( B @ ( A @ rec ) )
      <~> ( B @ ( A @ reck2 ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(75,plain,
    ~ ? [A: $i,B: $i] :
        ~ ( ( ( B @ ( A @ reck2 ) )
           => ( B @ ( A @ rec ) ) )
          & ( ( B @ ( A @ rec ) )
           => ( B @ ( A @ reck2 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(37,axiom,
    ! [A: $i] :
      ( ( A != eps )
     => ( ( A
         != ( A @ proj2 @ ( A @ proj1 @ x ) ) )
       => ( ( A
           != ( A @ proj22 @ ( A @ proj12 @ y ) ) )
         => ( ( A
             != ( A @ proj1Star @ star ) )
           => ~ ( A @ eps2 ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_051) ).

thf(207,plain,
    ! [A: $i] :
      ( ( A != eps )
     => ( ( A
         != ( A @ proj2 @ ( A @ proj1 @ x ) ) )
       => ( ( A
           != ( A @ proj22 @ ( A @ proj12 @ y ) ) )
         => ( ( A
             != ( A @ proj1Star @ star ) )
           => ~ ( A @ eps2 ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[37]) ).

thf(39,axiom,
    eps @ eps2,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_052) ).

thf(214,plain,
    eps @ eps2,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[39]) ).

thf(61,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ y ) @ eps2 )
    <=> ( ( B @ eps2 )
        & ( A @ eps2 ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_054) ).

thf(300,plain,
    ! [A: $i,B: $i] :
      ( ( ( ( B @ eps2 )
          & ( A @ eps2 ) )
       => ( B @ ( A @ y ) @ eps2 ) )
      & ( ( B @ ( A @ y ) @ eps2 )
       => ( ( B @ eps2 )
          & ( A @ eps2 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[61]) ).

thf(26,axiom,
    ! [A: $i] :
      ( ( A != nil4 )
     => ( ( A != eps )
       => ( ( eps @ ( A @ z ) )
          = A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_038) ).

thf(168,plain,
    ! [A: $i] :
      ( ( A != nil4 )
     => ( ( A != eps )
       => ( ( eps @ ( A @ z ) )
          = A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[26]) ).

thf(32,axiom,
    ! [A: $i] :
      ( nil4
     != ( A @ star ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_026) ).

thf(190,plain,
    ! [A: $i] :
      ( nil4
     != ( A @ star ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[32]) ).

thf(38,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ eps2 )
     => ( ( A @ ( C @ ( B @ y ) @ step ) )
        = ( A @ ( C @ step ) @ ( C @ ( A @ ( B @ step ) @ y ) @ x ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_060) ).

thf(210,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ eps2 )
     => ( ( A @ ( C @ ( B @ y ) @ step ) )
        = ( A @ ( C @ step ) @ ( C @ ( A @ ( B @ step ) @ y ) @ x ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[38]) ).

thf(14,axiom,
    ! [A: $i] :
      ( eps
     != ( A @ atom ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_027) ).

thf(126,plain,
    ! [A: $i] :
      ( eps
     != ( A @ atom ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).

thf(54,axiom,
    ! [A: $i,B: $i] :
      ( ( nil @ ( B @ ( A @ reck ) ) )
      = nil3 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_075) ).

thf(268,plain,
    ! [A: $i,B: $i] :
      ( ( nil @ ( B @ ( A @ reck ) ) )
      = nil3 ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[54]) ).

thf(7,axiom,
    ! [A: $o,B: $i] :
      ( ( B @ ( A @ cons3 ) @ head3 )
    <=> A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_010) ).

thf(94,plain,
    ! [A: $o,B: $i] :
      ( ( A
       => ( B @ ( A @ cons3 ) @ head3 ) )
      & ( ( B @ ( A @ cons3 ) @ head3 )
       => A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(47,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ pair2 ) @ proj1pair )
      = A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_002) ).

thf(239,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ pair2 ) @ proj1pair )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[47]) ).

thf(48,axiom,
    ! [A: $i] :
      ( ( A @ atom @ proj1Atom )
      = A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_016) ).

thf(242,plain,
    ! [A: $i] :
      ( ( A @ atom @ proj1Atom )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[48]) ).

thf(35,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ x ) )
     != ( C @ star ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_035) ).

thf(200,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ x ) )
     != ( C @ star ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[35]) ).

thf(57,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( A @ atom )
     != ( C @ ( B @ y ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_032) ).

thf(277,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( A @ atom )
     != ( C @ ( B @ y ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[57]) ).

thf(73,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ ( B @ cons2 ) @ ( A @ rec ) )
    <=> ( C @ ( B @ ( A @ step ) @ rec ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_064) ).

thf(354,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ ( B @ ( A @ step ) @ rec ) )
       => ( C @ ( B @ cons2 ) @ ( A @ rec ) ) )
      & ( ( C @ ( B @ cons2 ) @ ( A @ rec ) )
       => ( C @ ( B @ ( A @ step ) @ rec ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[73]) ).

thf(40,axiom,
    ! [A: $i,B: $i] :
      ( eps
     != ( B @ ( A @ x ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_028) ).

thf(215,plain,
    ! [A: $i,B: $i] :
      ( eps
     != ( B @ ( A @ x ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[40]) ).

thf(42,axiom,
    ! [A: $i] :
      ( ( A != nil4 )
     => ( ( nil4 @ ( A @ z ) )
        = nil4 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_040) ).

thf(222,plain,
    ! [A: $i] :
      ( ( A != nil4 )
     => ( ( nil4 @ ( A @ z ) )
        = nil4 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[42]) ).

thf(45,axiom,
    ! [A: $i,B: $i] :
      ( nil4
     != ( B @ ( A @ x ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_024) ).

thf(232,plain,
    ! [A: $i,B: $i] :
      ( nil4
     != ( B @ ( A @ x ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[45]) ).

thf(444,plain,
    $false,
    inference(e,[status(thm)],[347,228,252,360,130,87,184,110,196,157,164,179,321,106,348,84,147,133,307,292,248,117,102,334,137,124,225,161,296,259,281,204,313,236,181,187,219,274,81,245,271,345,140,91,255,342,194,150,327,310,154,143,351,114,171,75,207,214,300,168,190,210,126,268,94,239,242,200,277,354,215,222,232]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.04  % Problem  : SWX239_1 : TPTP v9.3.1. Released v9.3.0.
% 0.00/0.10  % Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 0.16/0.43  % Computer : n015.cluster.edu
% 0.16/0.43  % Model    : x86_64 x86_64
% 0.16/0.43  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.43  % Memory   : 8046.5625MB
% 0.16/0.43  % OS       : Linux 6.8.0-71-generic
% 0.16/0.43  % CPULimit : 300
% 0.16/0.43  % WCLimit  : 300
% 0.16/0.43  % DateTime : Sat Sep 26 17:05:29 UTC 2026
% 0.16/0.43  % CPUTime  : 
% 0.16/0.43  Running java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 0.87/1.02  % [INFO] 	 Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ... 
% 1.37/1.26  % [INFO] 	 Parsing done (236ms). 
% 1.37/1.27  % [INFO] 	 Running in sequential loop mode. 
% 2.19/1.66  % [INFO] 	 eprover registered as external prover. 
% 2.19/1.67  % [INFO] 	 Scanning for conjecture ... 
% 2.42/1.76  % [WARNING] 	 Symbol 'rec' was used without specifying its type first. Assuming default type '$i -> $i -> $o' ... 
% 2.42/1.76  % [WARNING] 	 Symbol 'reck2' was used without specifying its type first. Assuming default type '$i -> $i -> $o' ... 
% 2.42/1.79  % [INFO] 	 Found a conjecture (or negated_conjecture) and 75 axioms. Running axiom selection ... 
% 2.62/1.89  % [INFO] 	 Axiom selection finished. Selected 72 axioms (removed 3 axioms). 
% 2.62/1.89  % [WARNING] 	 Symbol 'splits' was used without specifying its type first. Assuming default type '$i -> $i -> $i' ... 
% 2.62/1.90  % [WARNING] 	 Symbol 'nil' was used without specifying its type first. Assuming default type '$i' ... 
% 2.86/1.90  % [WARNING] 	 Symbol 'z' was used without specifying its type first. Assuming default type '$i -> $i -> $i' ... 
% 2.86/1.90  % [WARNING] 	 Symbol 'nil4' was used without specifying its type first. Assuming default type '$i' ... 
% 2.86/1.90  % [WARNING] 	 Symbol 'eps2' was used without specifying its type first. Assuming default type '$i -> $o' ... 
% 2.86/1.90  % [WARNING] 	 Symbol 'step' was used without specifying its type first. Assuming default type '$i -> $i -> $i' ... 
% 2.86/1.90  % [WARNING] 	 Symbol 'y' was used without specifying its type first. Assuming default type '$i -> $i -> $i' ... 
% 2.86/1.90  % [WARNING] 	 Symbol 'x' was used without specifying its type first. Assuming default type '$i -> $i -> $i' ... 
% 2.86/1.91  % [WARNING] 	 Symbol 'proj1Star' was used without specifying its type first. Assuming default type '$i -> $i' ... 
% 2.86/1.91  % [WARNING] 	 Symbol 'star' was used without specifying its type first. Assuming default type '$i -> $i' ... 
% 2.86/1.91  % [WARNING] 	 Symbol 'head3' was used without specifying its type first. Assuming default type '$i -> $o' ... 
% 2.86/1.91  % [WARNING] 	 Symbol 'atom' was used without specifying its type first. Assuming default type '$i -> $i' ... 
% 2.86/1.91  % [WARNING] 	 Symbol 'eps' was used without specifying its type first. Assuming default type '$i' ... 
% 2.86/1.92  % [WARNING] 	 Symbol 'tail3' was used without specifying its type first. Assuming default type '$i -> $i' ... 
% 2.86/1.92  % [WARNING] 	 Symbol 'splits2' was used without specifying its type first. Assuming default type '$i -> $i' ... 
% 2.86/1.92  % [WARNING] 	 Symbol 'nil2' was used without specifying its type first. Assuming default type '$i' ... 
% 2.86/1.92  % [WARNING] 	 Symbol 'cons' was used without specifying its type first. Assuming default type '$i -> $i -> $i' ... 
% 2.86/1.92  % [WARNING] 	 Symbol 'pair2' was used without specifying its type first. Assuming default type '$i -> $i -> $i' ... 
% 2.86/1.93  % [WARNING] 	 Symbol 'proj2' was used without specifying its type first. Assuming default type '$i -> $i' ... 
% 2.86/1.93  % [WARNING] 	 Symbol 'x2' was used without specifying its type first. Assuming default type '$i -> $i -> $i' ... 
% 2.86/1.94  % [WARNING] 	 Symbol 'proj1' was used without specifying its type first. Assuming default type '$i -> $i' ... 
% 2.86/1.95  % [WARNING] 	 Symbol 'head' was used without specifying its type first. Assuming default type '$i -> $i' ... 
% 2.86/1.95  % [WARNING] 	 Symbol 'cons2' was used without specifying its type first. Assuming default type '$i -> $i -> $i' ... 
% 2.86/1.95  % [WARNING] 	 Symbol 'or2' was used without specifying its type first. Assuming default type '$i -> $o' ... 
% 2.86/1.95  % [WARNING] 	 Symbol 'nil3' was used without specifying its type first. Assuming default type '$i' ... 
% 2.86/1.96  % [WARNING] 	 Symbol 'proj22' was used without specifying its type first. Assuming default type '$i -> $i' ... 
% 2.86/1.96  % [WARNING] 	 Symbol 'proj12' was used without specifying its type first. Assuming default type '$i -> $i' ... 
% 2.86/1.97  % [WARNING] 	 Symbol 'tail' was used without specifying its type first. Assuming default type '$i -> $i' ... 
% 2.86/1.97  % [WARNING] 	 Symbol 'proj1pair' was used without specifying its type first. Assuming default type '$i -> $i' ... 
% 2.86/1.97  % [WARNING] 	 Symbol 'proj1Atom' was used without specifying its type first. Assuming default type '$i -> $i' ... 
% 2.86/1.97  % [WARNING] 	 Symbol 'head2' was used without specifying its type first. Assuming default type '$i -> $i' ... 
% 2.86/1.98  % [WARNING] 	 Symbol 'proj2pair' was used without specifying its type first. Assuming default type '$i -> $i' ... 
% 2.86/1.98  % [WARNING] 	 Symbol 'reck' was used without specifying its type first. Assuming default type '$i -> $i -> $i -> $i' ... 
% 2.86/1.98  % [WARNING] 	 Symbol 'tail2' was used without specifying its type first. Assuming default type '$i -> $i' ... 
% 2.86/2.01  % [INFO] 	 Problem is typed first-order (TPTP TFF). 
% 2.86/2.02  % [INFO] 	 Type checking passed. 
% 2.86/2.03  % [CONFIG] 	 Using configuration: timeout(300) with strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>.  Searching for refutation ... 
% 9.84/3.82  % External prover 'e' found a proof!
% 9.84/3.82  % [INFO] 	 Killing All external provers ... 
% 9.84/3.83  % Time passed: 3254ms (effective reasoning time: 2546ms)
% 9.84/3.83  % Solved by strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>
% 9.84/3.83  % Axioms used in derivation (72): axiom_028, axiom_023, axiom_072, axiom_068, axiom_069, axiom_041, axiom_029, axiom_036, axiom_025, axiom_066, axiom_039, axiom_024, axiom_009, axiom_040, axiom_046, axiom_017, axiom_057, axiom_035, axiom_050, axiom_067, axiom_051, axiom_073, axiom_061, axiom_010, axiom_021, axiom_032, axiom_054, axiom_002, axiom_043, axiom_006, axiom_049, axiom_034, axiom_016, axiom_056, axiom_076, axiom_027, axiom_005, axiom_045, axiom_065, axiom_038, axiom_012, axiom_062, axiom_059, axiom_044, axiom_031, axiom_004, axiom_055, axiom_033, axiom_022, axiom_075, axiom_063, axiom_011, axiom_026, axiom_052, axiom_037, axiom_071, axiom_020, axiom_060, axiom_048, axiom_030, axiom_074, axiom_019, axiom_008, axiom_003, axiom_042, axiom_070, axiom_047, axiom_007, axiom_018, axiom_058, axiom_053, axiom_064
% 9.84/3.83  % No. of inferences in proof: 148
% 9.84/3.83  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 3254 ms resp. 2546 ms w/o parsing
% 10.24/3.97  % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 10.24/3.97  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------