TSTP Solution File: GRP279-1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : GRP279-1 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s

% Computer : n001.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Aug 31 16:21:08 EDT 2022

% Result   : Unsatisfiable 0.19s 0.53s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   21
%            Number of leaves      :   49
% Syntax   : Number of formulae    :  262 (   6 unt;   0 def)
%            Number of atoms       : 1155 ( 312 equ)
%            Maximal formula atoms :   11 (   4 avg)
%            Number of connectives : 1804 ( 911   ~; 869   |;   0   &)
%                                         (  24 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :   26 (  24 usr;  25 prp; 0-2 aty)
%            Number of functors    :   11 (  11 usr;   9 con; 0-2 aty)
%            Number of variables   :   64 (  64   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f843,plain,
    $false,
    inference(avatar_sat_refutation,[],[f50,f67,f76,f81,f95,f107,f109,f115,f116,f117,f118,f120,f124,f125,f128,f129,f130,f131,f133,f134,f139,f140,f141,f142,f143,f201,f258,f270,f363,f405,f475,f652,f699,f700,f731,f732,f738,f742,f749,f812,f824,f836,f842]) ).

fof(f842,plain,
    ( spl3_2
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_22
    | ~ spl3_27 ),
    inference(avatar_contradiction_clause,[],[f841]) ).

fof(f841,plain,
    ( $false
    | spl3_2
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_22
    | ~ spl3_27 ),
    inference(trivial_inequality_removal,[],[f840]) ).

fof(f840,plain,
    ( identity != identity
    | spl3_2
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_22
    | ~ spl3_27 ),
    inference(superposition,[],[f839,f1]) ).

fof(f1,axiom,
    ! [X0] : multiply(identity,X0) = X0,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',left_identity) ).

fof(f839,plain,
    ( identity != multiply(identity,identity)
    | spl3_2
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_22
    | ~ spl3_27 ),
    inference(forward_demodulation,[],[f838,f518]) ).

fof(f518,plain,
    ( identity = sk_c8
    | ~ spl3_22 ),
    inference(avatar_component_clause,[],[f517]) ).

fof(f517,plain,
    ( spl3_22
  <=> identity = sk_c8 ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_22])]) ).

fof(f838,plain,
    ( identity != multiply(sk_c8,identity)
    | spl3_2
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_22
    | ~ spl3_27 ),
    inference(forward_demodulation,[],[f837,f761]) ).

fof(f761,plain,
    ( identity = sk_c7
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_22 ),
    inference(backward_demodulation,[],[f706,f518]) ).

fof(f706,plain,
    ( sk_c8 = sk_c7
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9 ),
    inference(forward_demodulation,[],[f704,f659]) ).

fof(f659,plain,
    ( sk_c8 = multiply(inverse(sk_c7),sk_c6)
    | ~ spl3_4 ),
    inference(superposition,[],[f155,f58]) ).

fof(f58,plain,
    ( sk_c6 = multiply(sk_c7,sk_c8)
    | ~ spl3_4 ),
    inference(avatar_component_clause,[],[f56]) ).

fof(f56,plain,
    ( spl3_4
  <=> sk_c6 = multiply(sk_c7,sk_c8) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_4])]) ).

fof(f155,plain,
    ! [X6,X7] : multiply(inverse(X6),multiply(X6,X7)) = X7,
    inference(forward_demodulation,[],[f148,f1]) ).

fof(f148,plain,
    ! [X6,X7] : multiply(identity,X7) = multiply(inverse(X6),multiply(X6,X7)),
    inference(superposition,[],[f3,f2]) ).

fof(f2,axiom,
    ! [X0] : identity = multiply(inverse(X0),X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',left_inverse) ).

fof(f3,axiom,
    ! [X2,X0,X1] : multiply(multiply(X0,X1),X2) = multiply(X0,multiply(X1,X2)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',associativity) ).

fof(f704,plain,
    ( sk_c7 = multiply(inverse(sk_c7),sk_c6)
    | ~ spl3_8
    | ~ spl3_9 ),
    inference(superposition,[],[f155,f663]) ).

fof(f663,plain,
    ( sk_c6 = multiply(sk_c7,sk_c7)
    | ~ spl3_8
    | ~ spl3_9 ),
    inference(forward_demodulation,[],[f661,f80]) ).

fof(f80,plain,
    ( sk_c7 = inverse(sk_c5)
    | ~ spl3_9 ),
    inference(avatar_component_clause,[],[f78]) ).

fof(f78,plain,
    ( spl3_9
  <=> sk_c7 = inverse(sk_c5) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_9])]) ).

fof(f661,plain,
    ( sk_c6 = multiply(inverse(sk_c5),sk_c7)
    | ~ spl3_8 ),
    inference(superposition,[],[f155,f75]) ).

fof(f75,plain,
    ( sk_c7 = multiply(sk_c5,sk_c6)
    | ~ spl3_8 ),
    inference(avatar_component_clause,[],[f73]) ).

fof(f73,plain,
    ( spl3_8
  <=> sk_c7 = multiply(sk_c5,sk_c6) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_8])]) ).

fof(f837,plain,
    ( identity != multiply(sk_c8,sk_c7)
    | spl3_2
    | ~ spl3_22
    | ~ spl3_27 ),
    inference(forward_demodulation,[],[f48,f759]) ).

fof(f759,plain,
    ( identity = sk_c6
    | ~ spl3_22
    | ~ spl3_27 ),
    inference(backward_demodulation,[],[f691,f518]) ).

fof(f691,plain,
    ( sk_c8 = sk_c6
    | ~ spl3_27 ),
    inference(avatar_component_clause,[],[f690]) ).

fof(f690,plain,
    ( spl3_27
  <=> sk_c8 = sk_c6 ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_27])]) ).

fof(f48,plain,
    ( multiply(sk_c8,sk_c7) != sk_c6
    | spl3_2 ),
    inference(avatar_component_clause,[],[f47]) ).

fof(f47,plain,
    ( spl3_2
  <=> multiply(sk_c8,sk_c7) = sk_c6 ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_2])]) ).

fof(f836,plain,
    ( ~ spl3_1
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_18
    | ~ spl3_22
    | ~ spl3_27 ),
    inference(avatar_contradiction_clause,[],[f835]) ).

fof(f835,plain,
    ( $false
    | ~ spl3_1
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_18
    | ~ spl3_22
    | ~ spl3_27 ),
    inference(trivial_inequality_removal,[],[f834]) ).

fof(f834,plain,
    ( identity != identity
    | ~ spl3_1
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_18
    | ~ spl3_22
    | ~ spl3_27 ),
    inference(superposition,[],[f833,f775]) ).

fof(f775,plain,
    ( identity = inverse(identity)
    | ~ spl3_1
    | ~ spl3_22 ),
    inference(forward_demodulation,[],[f752,f771]) ).

fof(f771,plain,
    ( identity = sk_c4
    | ~ spl3_1
    | ~ spl3_22 ),
    inference(forward_demodulation,[],[f758,f2]) ).

fof(f758,plain,
    ( sk_c4 = multiply(inverse(identity),identity)
    | ~ spl3_1
    | ~ spl3_22 ),
    inference(backward_demodulation,[],[f672,f518]) ).

fof(f672,plain,
    ( sk_c4 = multiply(inverse(sk_c8),identity)
    | ~ spl3_1 ),
    inference(superposition,[],[f155,f654]) ).

fof(f654,plain,
    ( identity = multiply(sk_c8,sk_c4)
    | ~ spl3_1 ),
    inference(superposition,[],[f2,f45]) ).

fof(f45,plain,
    ( sk_c8 = inverse(sk_c4)
    | ~ spl3_1 ),
    inference(avatar_component_clause,[],[f43]) ).

fof(f43,plain,
    ( spl3_1
  <=> sk_c8 = inverse(sk_c4) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_1])]) ).

fof(f752,plain,
    ( identity = inverse(sk_c4)
    | ~ spl3_1
    | ~ spl3_22 ),
    inference(backward_demodulation,[],[f45,f518]) ).

fof(f833,plain,
    ( identity != inverse(identity)
    | ~ spl3_1
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_18
    | ~ spl3_22
    | ~ spl3_27 ),
    inference(forward_demodulation,[],[f832,f775]) ).

fof(f832,plain,
    ( identity != inverse(inverse(identity))
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_18
    | ~ spl3_22
    | ~ spl3_27 ),
    inference(trivial_inequality_removal,[],[f830]) ).

fof(f830,plain,
    ( identity != identity
    | identity != inverse(inverse(identity))
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_18
    | ~ spl3_22
    | ~ spl3_27 ),
    inference(superposition,[],[f827,f2]) ).

fof(f827,plain,
    ( ! [X7] :
        ( identity != multiply(X7,identity)
        | identity != inverse(X7) )
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_18
    | ~ spl3_22
    | ~ spl3_27 ),
    inference(forward_demodulation,[],[f826,f761]) ).

fof(f826,plain,
    ( ! [X7] :
        ( sk_c7 != multiply(X7,identity)
        | identity != inverse(X7) )
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_18
    | ~ spl3_22
    | ~ spl3_27 ),
    inference(forward_demodulation,[],[f825,f759]) ).

fof(f825,plain,
    ( ! [X7] :
        ( identity != inverse(X7)
        | sk_c7 != multiply(X7,sk_c6) )
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_18
    | ~ spl3_22 ),
    inference(forward_demodulation,[],[f138,f761]) ).

fof(f138,plain,
    ( ! [X7] :
        ( sk_c7 != inverse(X7)
        | sk_c7 != multiply(X7,sk_c6) )
    | ~ spl3_18 ),
    inference(avatar_component_clause,[],[f137]) ).

fof(f137,plain,
    ( spl3_18
  <=> ! [X7] :
        ( sk_c7 != multiply(X7,sk_c6)
        | sk_c7 != inverse(X7) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_18])]) ).

fof(f824,plain,
    ( ~ spl3_1
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_17
    | ~ spl3_22 ),
    inference(avatar_contradiction_clause,[],[f823]) ).

fof(f823,plain,
    ( $false
    | ~ spl3_1
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_17
    | ~ spl3_22 ),
    inference(trivial_inequality_removal,[],[f822]) ).

fof(f822,plain,
    ( identity != identity
    | ~ spl3_1
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_17
    | ~ spl3_22 ),
    inference(superposition,[],[f820,f775]) ).

fof(f820,plain,
    ( identity != inverse(identity)
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_17
    | ~ spl3_22 ),
    inference(trivial_inequality_removal,[],[f816]) ).

fof(f816,plain,
    ( identity != identity
    | identity != inverse(identity)
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_17
    | ~ spl3_22 ),
    inference(superposition,[],[f815,f1]) ).

fof(f815,plain,
    ( ! [X6] :
        ( identity != multiply(X6,identity)
        | identity != inverse(X6) )
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_17
    | ~ spl3_22 ),
    inference(forward_demodulation,[],[f814,f518]) ).

fof(f814,plain,
    ( ! [X6] :
        ( sk_c8 != multiply(X6,identity)
        | identity != inverse(X6) )
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_17
    | ~ spl3_22 ),
    inference(forward_demodulation,[],[f813,f761]) ).

fof(f813,plain,
    ( ! [X6] :
        ( identity != inverse(X6)
        | sk_c8 != multiply(X6,sk_c7) )
    | ~ spl3_17
    | ~ spl3_22 ),
    inference(forward_demodulation,[],[f123,f518]) ).

fof(f123,plain,
    ( ! [X6] :
        ( sk_c8 != inverse(X6)
        | sk_c8 != multiply(X6,sk_c7) )
    | ~ spl3_17 ),
    inference(avatar_component_clause,[],[f122]) ).

fof(f122,plain,
    ( spl3_17
  <=> ! [X6] :
        ( sk_c8 != inverse(X6)
        | sk_c8 != multiply(X6,sk_c7) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_17])]) ).

fof(f812,plain,
    ( ~ spl3_1
    | ~ spl3_4
    | ~ spl3_6
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_22 ),
    inference(avatar_contradiction_clause,[],[f811]) ).

fof(f811,plain,
    ( $false
    | ~ spl3_1
    | ~ spl3_4
    | ~ spl3_6
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_22 ),
    inference(trivial_inequality_removal,[],[f810]) ).

fof(f810,plain,
    ( identity != identity
    | ~ spl3_1
    | ~ spl3_4
    | ~ spl3_6
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_22 ),
    inference(superposition,[],[f809,f775]) ).

fof(f809,plain,
    ( identity != inverse(identity)
    | ~ spl3_1
    | ~ spl3_4
    | ~ spl3_6
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_22 ),
    inference(forward_demodulation,[],[f808,f775]) ).

fof(f808,plain,
    ( identity != inverse(inverse(identity))
    | ~ spl3_4
    | ~ spl3_6
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_22 ),
    inference(trivial_inequality_removal,[],[f806]) ).

fof(f806,plain,
    ( identity != inverse(inverse(identity))
    | identity != identity
    | ~ spl3_4
    | ~ spl3_6
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_22 ),
    inference(superposition,[],[f770,f2]) ).

fof(f770,plain,
    ( ! [X3] :
        ( identity != multiply(X3,identity)
        | identity != inverse(X3) )
    | ~ spl3_4
    | ~ spl3_6
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_22 ),
    inference(forward_demodulation,[],[f769,f518]) ).

fof(f769,plain,
    ( ! [X3] :
        ( sk_c8 != multiply(X3,sk_c8)
        | identity != inverse(X3) )
    | ~ spl3_4
    | ~ spl3_6
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_22 ),
    inference(backward_demodulation,[],[f751,f518]) ).

fof(f751,plain,
    ( ! [X3] :
        ( sk_c8 != inverse(X3)
        | sk_c8 != multiply(X3,sk_c8) )
    | ~ spl3_4
    | ~ spl3_6
    | ~ spl3_8
    | ~ spl3_9 ),
    inference(forward_demodulation,[],[f66,f706]) ).

fof(f66,plain,
    ( ! [X3] :
        ( sk_c8 != inverse(X3)
        | sk_c7 != multiply(X3,sk_c8) )
    | ~ spl3_6 ),
    inference(avatar_component_clause,[],[f65]) ).

fof(f65,plain,
    ( spl3_6
  <=> ! [X3] :
        ( sk_c7 != multiply(X3,sk_c8)
        | sk_c8 != inverse(X3) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_6])]) ).

fof(f749,plain,
    ( spl3_22
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_27 ),
    inference(avatar_split_clause,[],[f748,f690,f78,f73,f56,f517]) ).

fof(f748,plain,
    ( identity = sk_c8
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_27 ),
    inference(forward_demodulation,[],[f744,f2]) ).

fof(f744,plain,
    ( sk_c8 = multiply(inverse(sk_c8),sk_c8)
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_27 ),
    inference(backward_demodulation,[],[f718,f691]) ).

fof(f718,plain,
    ( sk_c8 = multiply(inverse(sk_c8),sk_c6)
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9 ),
    inference(backward_demodulation,[],[f659,f706]) ).

fof(f742,plain,
    ( spl3_27
    | ~ spl3_1
    | ~ spl3_2
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_11 ),
    inference(avatar_split_clause,[],[f741,f87,f78,f73,f56,f47,f43,f690]) ).

fof(f87,plain,
    ( spl3_11
  <=> sk_c8 = multiply(sk_c4,sk_c7) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_11])]) ).

fof(f741,plain,
    ( sk_c8 = sk_c6
    | ~ spl3_1
    | ~ spl3_2
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_11 ),
    inference(forward_demodulation,[],[f707,f725]) ).

fof(f725,plain,
    ( sk_c8 = multiply(sk_c8,sk_c8)
    | ~ spl3_1
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_11 ),
    inference(backward_demodulation,[],[f668,f706]) ).

fof(f668,plain,
    ( sk_c7 = multiply(sk_c8,sk_c8)
    | ~ spl3_1
    | ~ spl3_11 ),
    inference(forward_demodulation,[],[f666,f45]) ).

fof(f666,plain,
    ( sk_c7 = multiply(inverse(sk_c4),sk_c8)
    | ~ spl3_11 ),
    inference(superposition,[],[f155,f89]) ).

fof(f89,plain,
    ( sk_c8 = multiply(sk_c4,sk_c7)
    | ~ spl3_11 ),
    inference(avatar_component_clause,[],[f87]) ).

fof(f707,plain,
    ( sk_c6 = multiply(sk_c8,sk_c8)
    | ~ spl3_2
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9 ),
    inference(backward_demodulation,[],[f49,f706]) ).

fof(f49,plain,
    ( multiply(sk_c8,sk_c7) = sk_c6
    | ~ spl3_2 ),
    inference(avatar_component_clause,[],[f47]) ).

fof(f738,plain,
    ( spl3_27
    | ~ spl3_1
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_11 ),
    inference(avatar_split_clause,[],[f737,f87,f78,f73,f56,f43,f690]) ).

fof(f737,plain,
    ( sk_c8 = sk_c6
    | ~ spl3_1
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_11 ),
    inference(forward_demodulation,[],[f708,f725]) ).

fof(f708,plain,
    ( sk_c6 = multiply(sk_c8,sk_c8)
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9 ),
    inference(backward_demodulation,[],[f58,f706]) ).

fof(f732,plain,
    ( spl3_28
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_11 ),
    inference(avatar_split_clause,[],[f712,f87,f78,f73,f56,f696]) ).

fof(f696,plain,
    ( spl3_28
  <=> sk_c8 = multiply(sk_c4,sk_c8) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_28])]) ).

fof(f712,plain,
    ( sk_c8 = multiply(sk_c4,sk_c8)
    | ~ spl3_4
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_11 ),
    inference(backward_demodulation,[],[f89,f706]) ).

fof(f731,plain,
    ( ~ spl3_28
    | ~ spl3_1
    | ~ spl3_4
    | spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12 ),
    inference(avatar_split_clause,[],[f726,f92,f78,f73,f69,f56,f43,f696]) ).

fof(f69,plain,
    ( spl3_7
  <=> sk_c7 = multiply(sk_c1,sk_c8) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_7])]) ).

fof(f92,plain,
    ( spl3_12
  <=> sk_c8 = inverse(sk_c1) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_12])]) ).

fof(f726,plain,
    ( sk_c8 != multiply(sk_c4,sk_c8)
    | ~ spl3_1
    | ~ spl3_4
    | spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12 ),
    inference(backward_demodulation,[],[f676,f706]) ).

fof(f676,plain,
    ( sk_c7 != multiply(sk_c4,sk_c8)
    | ~ spl3_1
    | spl3_7
    | ~ spl3_12 ),
    inference(backward_demodulation,[],[f70,f675]) ).

fof(f675,plain,
    ( sk_c4 = sk_c1
    | ~ spl3_1
    | ~ spl3_12 ),
    inference(backward_demodulation,[],[f167,f672]) ).

fof(f167,plain,
    ( sk_c1 = multiply(inverse(sk_c8),identity)
    | ~ spl3_12 ),
    inference(superposition,[],[f155,f144]) ).

fof(f144,plain,
    ( identity = multiply(sk_c8,sk_c1)
    | ~ spl3_12 ),
    inference(superposition,[],[f2,f94]) ).

fof(f94,plain,
    ( sk_c8 = inverse(sk_c1)
    | ~ spl3_12 ),
    inference(avatar_component_clause,[],[f92]) ).

fof(f70,plain,
    ( sk_c7 != multiply(sk_c1,sk_c8)
    | spl3_7 ),
    inference(avatar_component_clause,[],[f69]) ).

fof(f700,plain,
    ( ~ spl3_10
    | ~ spl3_3
    | ~ spl3_14
    | ~ spl3_16 ),
    inference(avatar_split_clause,[],[f682,f111,f101,f52,f83]) ).

fof(f83,plain,
    ( spl3_10
  <=> sk_c8 = multiply(sk_c3,sk_c7) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_10])]) ).

fof(f52,plain,
    ( spl3_3
  <=> sk_c8 = multiply(sk_c2,sk_c3) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_3])]) ).

fof(f101,plain,
    ( spl3_14
  <=> ! [X4] :
        ( sk_c8 != multiply(X4,inverse(X4))
        | sk_c8 != multiply(inverse(X4),sk_c7) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_14])]) ).

fof(f111,plain,
    ( spl3_16
  <=> sk_c3 = inverse(sk_c2) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_16])]) ).

fof(f682,plain,
    ( sk_c8 != multiply(sk_c2,sk_c3)
    | sk_c8 != multiply(sk_c3,sk_c7)
    | ~ spl3_14
    | ~ spl3_16 ),
    inference(superposition,[],[f102,f113]) ).

fof(f113,plain,
    ( sk_c3 = inverse(sk_c2)
    | ~ spl3_16 ),
    inference(avatar_component_clause,[],[f111]) ).

fof(f102,plain,
    ( ! [X4] :
        ( sk_c8 != multiply(inverse(X4),sk_c7)
        | sk_c8 != multiply(X4,inverse(X4)) )
    | ~ spl3_14 ),
    inference(avatar_component_clause,[],[f101]) ).

fof(f699,plain,
    ( ~ spl3_28
    | ~ spl3_27
    | ~ spl3_1
    | ~ spl3_2
    | ~ spl3_14 ),
    inference(avatar_split_clause,[],[f694,f101,f47,f43,f690,f696]) ).

fof(f694,plain,
    ( sk_c8 != sk_c6
    | sk_c8 != multiply(sk_c4,sk_c8)
    | ~ spl3_1
    | ~ spl3_2
    | ~ spl3_14 ),
    inference(forward_demodulation,[],[f680,f49]) ).

fof(f680,plain,
    ( sk_c8 != multiply(sk_c8,sk_c7)
    | sk_c8 != multiply(sk_c4,sk_c8)
    | ~ spl3_1
    | ~ spl3_14 ),
    inference(superposition,[],[f102,f45]) ).

fof(f652,plain,
    ( ~ spl3_12
    | ~ spl3_2
    | ~ spl3_6
    | ~ spl3_7
    | ~ spl3_12 ),
    inference(avatar_split_clause,[],[f649,f92,f69,f65,f47,f92]) ).

fof(f649,plain,
    ( sk_c8 != inverse(sk_c1)
    | ~ spl3_2
    | ~ spl3_6
    | ~ spl3_7
    | ~ spl3_12 ),
    inference(trivial_inequality_removal,[],[f646]) ).

fof(f646,plain,
    ( sk_c8 != inverse(sk_c1)
    | identity != identity
    | ~ spl3_2
    | ~ spl3_6
    | ~ spl3_7
    | ~ spl3_12 ),
    inference(superposition,[],[f555,f180]) ).

fof(f180,plain,
    ( identity = multiply(sk_c1,sk_c8)
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_12 ),
    inference(backward_demodulation,[],[f71,f179]) ).

fof(f179,plain,
    ( identity = sk_c7
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_12 ),
    inference(forward_demodulation,[],[f178,f2]) ).

fof(f178,plain,
    ( sk_c7 = multiply(inverse(sk_c8),sk_c8)
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_12 ),
    inference(forward_demodulation,[],[f166,f175]) ).

fof(f175,plain,
    ( sk_c8 = sk_c6
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_12 ),
    inference(backward_demodulation,[],[f49,f174]) ).

fof(f174,plain,
    ( sk_c8 = multiply(sk_c8,sk_c7)
    | ~ spl3_7
    | ~ spl3_12 ),
    inference(forward_demodulation,[],[f168,f94]) ).

fof(f168,plain,
    ( sk_c8 = multiply(inverse(sk_c1),sk_c7)
    | ~ spl3_7 ),
    inference(superposition,[],[f155,f71]) ).

fof(f166,plain,
    ( sk_c7 = multiply(inverse(sk_c8),sk_c6)
    | ~ spl3_2 ),
    inference(superposition,[],[f155,f49]) ).

fof(f71,plain,
    ( sk_c7 = multiply(sk_c1,sk_c8)
    | ~ spl3_7 ),
    inference(avatar_component_clause,[],[f69]) ).

fof(f555,plain,
    ( ! [X3] :
        ( identity != multiply(X3,sk_c8)
        | sk_c8 != inverse(X3) )
    | ~ spl3_2
    | ~ spl3_6
    | ~ spl3_7
    | ~ spl3_12 ),
    inference(forward_demodulation,[],[f66,f179]) ).

fof(f475,plain,
    ( ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_17 ),
    inference(avatar_contradiction_clause,[],[f474]) ).

fof(f474,plain,
    ( $false
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_17 ),
    inference(trivial_inequality_removal,[],[f473]) ).

fof(f473,plain,
    ( identity != identity
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_17 ),
    inference(superposition,[],[f472,f334]) ).

fof(f334,plain,
    ( identity = inverse(identity)
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12 ),
    inference(backward_demodulation,[],[f305,f331]) ).

fof(f331,plain,
    ( identity = sk_c1
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12 ),
    inference(forward_demodulation,[],[f308,f2]) ).

fof(f308,plain,
    ( sk_c1 = multiply(inverse(identity),identity)
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12 ),
    inference(backward_demodulation,[],[f167,f302]) ).

fof(f302,plain,
    ( identity = sk_c8
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12 ),
    inference(forward_demodulation,[],[f301,f1]) ).

fof(f301,plain,
    ( sk_c8 = multiply(identity,identity)
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12 ),
    inference(forward_demodulation,[],[f299,f272]) ).

fof(f272,plain,
    ( identity = inverse(sk_c5)
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_9
    | ~ spl3_12 ),
    inference(forward_demodulation,[],[f80,f179]) ).

fof(f299,plain,
    ( sk_c8 = multiply(inverse(sk_c5),identity)
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_12 ),
    inference(superposition,[],[f155,f277]) ).

fof(f277,plain,
    ( identity = multiply(sk_c5,sk_c8)
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_12 ),
    inference(forward_demodulation,[],[f276,f179]) ).

fof(f276,plain,
    ( sk_c7 = multiply(sk_c5,sk_c8)
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_12 ),
    inference(forward_demodulation,[],[f75,f175]) ).

fof(f305,plain,
    ( identity = inverse(sk_c1)
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12 ),
    inference(backward_demodulation,[],[f94,f302]) ).

fof(f472,plain,
    ( identity != inverse(identity)
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_17 ),
    inference(forward_demodulation,[],[f462,f334]) ).

fof(f462,plain,
    ( identity != inverse(inverse(identity))
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_17 ),
    inference(trivial_inequality_removal,[],[f459]) ).

fof(f459,plain,
    ( identity != identity
    | identity != inverse(inverse(identity))
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_17 ),
    inference(superposition,[],[f422,f2]) ).

fof(f422,plain,
    ( ! [X6] :
        ( identity != multiply(X6,identity)
        | identity != inverse(X6) )
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_17 ),
    inference(forward_demodulation,[],[f421,f302]) ).

fof(f421,plain,
    ( ! [X6] :
        ( sk_c8 != multiply(X6,identity)
        | identity != inverse(X6) )
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_17 ),
    inference(forward_demodulation,[],[f420,f179]) ).

fof(f420,plain,
    ( ! [X6] :
        ( sk_c8 != multiply(X6,sk_c7)
        | identity != inverse(X6) )
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_17 ),
    inference(forward_demodulation,[],[f123,f302]) ).

fof(f405,plain,
    ( ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_14 ),
    inference(avatar_contradiction_clause,[],[f404]) ).

fof(f404,plain,
    ( $false
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_14 ),
    inference(trivial_inequality_removal,[],[f403]) ).

fof(f403,plain,
    ( identity != identity
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_14 ),
    inference(superposition,[],[f389,f1]) ).

fof(f389,plain,
    ( identity != multiply(identity,identity)
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_14 ),
    inference(forward_demodulation,[],[f388,f334]) ).

fof(f388,plain,
    ( identity != multiply(identity,inverse(identity))
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_14 ),
    inference(trivial_inequality_removal,[],[f386]) ).

fof(f386,plain,
    ( identity != multiply(identity,inverse(identity))
    | identity != identity
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_14 ),
    inference(superposition,[],[f366,f2]) ).

fof(f366,plain,
    ( ! [X4] :
        ( identity != multiply(inverse(X4),identity)
        | identity != multiply(X4,inverse(X4)) )
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_14 ),
    inference(forward_demodulation,[],[f365,f302]) ).

fof(f365,plain,
    ( ! [X4] :
        ( sk_c8 != multiply(X4,inverse(X4))
        | identity != multiply(inverse(X4),identity) )
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_14 ),
    inference(forward_demodulation,[],[f364,f302]) ).

fof(f364,plain,
    ( ! [X4] :
        ( sk_c8 != multiply(inverse(X4),identity)
        | sk_c8 != multiply(X4,inverse(X4)) )
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_12
    | ~ spl3_14 ),
    inference(forward_demodulation,[],[f102,f179]) ).

fof(f363,plain,
    ( ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_18 ),
    inference(avatar_contradiction_clause,[],[f362]) ).

fof(f362,plain,
    ( $false
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_18 ),
    inference(trivial_inequality_removal,[],[f361]) ).

fof(f361,plain,
    ( identity != identity
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_18 ),
    inference(superposition,[],[f357,f272]) ).

fof(f357,plain,
    ( identity != inverse(sk_c5)
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_18 ),
    inference(trivial_inequality_removal,[],[f356]) ).

fof(f356,plain,
    ( identity != identity
    | identity != inverse(sk_c5)
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_18 ),
    inference(superposition,[],[f319,f320]) ).

fof(f320,plain,
    ( identity = multiply(sk_c5,identity)
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12 ),
    inference(backward_demodulation,[],[f277,f302]) ).

fof(f319,plain,
    ( ! [X7] :
        ( identity != multiply(X7,identity)
        | identity != inverse(X7) )
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_12
    | ~ spl3_18 ),
    inference(backward_demodulation,[],[f275,f302]) ).

fof(f275,plain,
    ( ! [X7] :
        ( identity != inverse(X7)
        | identity != multiply(X7,sk_c8) )
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_12
    | ~ spl3_18 ),
    inference(forward_demodulation,[],[f274,f179]) ).

fof(f274,plain,
    ( ! [X7] :
        ( sk_c7 != inverse(X7)
        | identity != multiply(X7,sk_c8) )
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_12
    | ~ spl3_18 ),
    inference(forward_demodulation,[],[f273,f179]) ).

fof(f273,plain,
    ( ! [X7] :
        ( sk_c7 != multiply(X7,sk_c8)
        | sk_c7 != inverse(X7) )
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_12
    | ~ spl3_18 ),
    inference(forward_demodulation,[],[f138,f175]) ).

fof(f270,plain,
    ( ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_10
    | ~ spl3_12
    | ~ spl3_16
    | ~ spl3_18 ),
    inference(avatar_contradiction_clause,[],[f269]) ).

fof(f269,plain,
    ( $false
    | ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_10
    | ~ spl3_12
    | ~ spl3_16
    | ~ spl3_18 ),
    inference(trivial_inequality_removal,[],[f268]) ).

fof(f268,plain,
    ( identity != identity
    | ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_10
    | ~ spl3_12
    | ~ spl3_16
    | ~ spl3_18 ),
    inference(superposition,[],[f266,f239]) ).

fof(f239,plain,
    ( identity = inverse(identity)
    | ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_10
    | ~ spl3_12
    | ~ spl3_16 ),
    inference(backward_demodulation,[],[f232,f234]) ).

fof(f234,plain,
    ( identity = sk_c3
    | ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_10
    | ~ spl3_12
    | ~ spl3_16 ),
    inference(forward_demodulation,[],[f213,f216]) ).

fof(f216,plain,
    ( identity = multiply(sk_c3,identity)
    | ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_10
    | ~ spl3_12
    | ~ spl3_16 ),
    inference(backward_demodulation,[],[f181,f207]) ).

fof(f207,plain,
    ( identity = sk_c8
    | ~ spl3_3
    | ~ spl3_16 ),
    inference(forward_demodulation,[],[f205,f2]) ).

fof(f205,plain,
    ( sk_c8 = multiply(inverse(sk_c3),sk_c3)
    | ~ spl3_3
    | ~ spl3_16 ),
    inference(superposition,[],[f155,f173]) ).

fof(f173,plain,
    ( sk_c3 = multiply(sk_c3,sk_c8)
    | ~ spl3_3
    | ~ spl3_16 ),
    inference(forward_demodulation,[],[f169,f113]) ).

fof(f169,plain,
    ( sk_c3 = multiply(inverse(sk_c2),sk_c8)
    | ~ spl3_3 ),
    inference(superposition,[],[f155,f54]) ).

fof(f54,plain,
    ( sk_c8 = multiply(sk_c2,sk_c3)
    | ~ spl3_3 ),
    inference(avatar_component_clause,[],[f52]) ).

fof(f181,plain,
    ( sk_c8 = multiply(sk_c3,identity)
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_10
    | ~ spl3_12 ),
    inference(backward_demodulation,[],[f85,f179]) ).

fof(f85,plain,
    ( sk_c8 = multiply(sk_c3,sk_c7)
    | ~ spl3_10 ),
    inference(avatar_component_clause,[],[f83]) ).

fof(f213,plain,
    ( sk_c3 = multiply(sk_c3,identity)
    | ~ spl3_3
    | ~ spl3_16 ),
    inference(backward_demodulation,[],[f173,f207]) ).

fof(f232,plain,
    ( sk_c3 = inverse(identity)
    | ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_10
    | ~ spl3_12
    | ~ spl3_16 ),
    inference(backward_demodulation,[],[f113,f228]) ).

fof(f228,plain,
    ( identity = sk_c2
    | ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_10
    | ~ spl3_12
    | ~ spl3_16 ),
    inference(backward_demodulation,[],[f171,f217]) ).

fof(f217,plain,
    ( identity = multiply(inverse(sk_c3),identity)
    | ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_10
    | ~ spl3_12
    | ~ spl3_16 ),
    inference(backward_demodulation,[],[f184,f207]) ).

fof(f184,plain,
    ( identity = multiply(inverse(sk_c3),sk_c8)
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_10
    | ~ spl3_12 ),
    inference(backward_demodulation,[],[f170,f179]) ).

fof(f170,plain,
    ( sk_c7 = multiply(inverse(sk_c3),sk_c8)
    | ~ spl3_10 ),
    inference(superposition,[],[f155,f85]) ).

fof(f171,plain,
    ( sk_c2 = multiply(inverse(sk_c3),identity)
    | ~ spl3_16 ),
    inference(superposition,[],[f155,f145]) ).

fof(f145,plain,
    ( identity = multiply(sk_c3,sk_c2)
    | ~ spl3_16 ),
    inference(superposition,[],[f2,f113]) ).

fof(f266,plain,
    ( identity != inverse(identity)
    | ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_12
    | ~ spl3_16
    | ~ spl3_18 ),
    inference(trivial_inequality_removal,[],[f262]) ).

fof(f262,plain,
    ( identity != inverse(identity)
    | identity != identity
    | ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_12
    | ~ spl3_16
    | ~ spl3_18 ),
    inference(superposition,[],[f261,f1]) ).

fof(f261,plain,
    ( ! [X7] :
        ( identity != multiply(X7,identity)
        | identity != inverse(X7) )
    | ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_12
    | ~ spl3_16
    | ~ spl3_18 ),
    inference(forward_demodulation,[],[f260,f179]) ).

fof(f260,plain,
    ( ! [X7] :
        ( sk_c7 != inverse(X7)
        | identity != multiply(X7,identity) )
    | ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_12
    | ~ spl3_16
    | ~ spl3_18 ),
    inference(forward_demodulation,[],[f259,f179]) ).

fof(f259,plain,
    ( ! [X7] :
        ( sk_c7 != multiply(X7,identity)
        | sk_c7 != inverse(X7) )
    | ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_12
    | ~ spl3_16
    | ~ spl3_18 ),
    inference(forward_demodulation,[],[f138,f214]) ).

fof(f214,plain,
    ( identity = sk_c6
    | ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_12
    | ~ spl3_16 ),
    inference(backward_demodulation,[],[f175,f207]) ).

fof(f258,plain,
    ( ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_10
    | ~ spl3_12
    | ~ spl3_16
    | ~ spl3_17 ),
    inference(avatar_contradiction_clause,[],[f257]) ).

fof(f257,plain,
    ( $false
    | ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_10
    | ~ spl3_12
    | ~ spl3_16
    | ~ spl3_17 ),
    inference(trivial_inequality_removal,[],[f256]) ).

fof(f256,plain,
    ( identity != identity
    | ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_10
    | ~ spl3_12
    | ~ spl3_16
    | ~ spl3_17 ),
    inference(superposition,[],[f254,f239]) ).

fof(f254,plain,
    ( identity != inverse(identity)
    | ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_12
    | ~ spl3_16
    | ~ spl3_17 ),
    inference(trivial_inequality_removal,[],[f250]) ).

fof(f250,plain,
    ( identity != inverse(identity)
    | identity != identity
    | ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_12
    | ~ spl3_16
    | ~ spl3_17 ),
    inference(superposition,[],[f240,f1]) ).

fof(f240,plain,
    ( ! [X6] :
        ( identity != multiply(X6,identity)
        | identity != inverse(X6) )
    | ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_12
    | ~ spl3_16
    | ~ spl3_17 ),
    inference(forward_demodulation,[],[f222,f207]) ).

fof(f222,plain,
    ( ! [X6] :
        ( identity != inverse(X6)
        | sk_c8 != multiply(X6,identity) )
    | ~ spl3_2
    | ~ spl3_3
    | ~ spl3_7
    | ~ spl3_12
    | ~ spl3_16
    | ~ spl3_17 ),
    inference(backward_demodulation,[],[f202,f207]) ).

fof(f202,plain,
    ( ! [X6] :
        ( sk_c8 != inverse(X6)
        | sk_c8 != multiply(X6,identity) )
    | ~ spl3_2
    | ~ spl3_7
    | ~ spl3_12
    | ~ spl3_17 ),
    inference(forward_demodulation,[],[f123,f179]) ).

fof(f201,plain,
    ( ~ spl3_2
    | spl3_4
    | ~ spl3_7
    | ~ spl3_12 ),
    inference(avatar_contradiction_clause,[],[f200]) ).

fof(f200,plain,
    ( $false
    | ~ spl3_2
    | spl3_4
    | ~ spl3_7
    | ~ spl3_12 ),
    inference(trivial_inequality_removal,[],[f199]) ).

fof(f199,plain,
    ( sk_c8 != sk_c8
    | ~ spl3_2
    | spl3_4
    | ~ spl3_7
    | ~ spl3_12 ),
    inference(superposition,[],[f187,f1]) ).

fof(f187,plain,
    ( sk_c8 != multiply(identity,sk_c8)
    | ~ spl3_2
    | spl3_4
    | ~ spl3_7
    | ~ spl3_12 ),
    inference(backward_demodulation,[],[f177,f179]) ).

fof(f177,plain,
    ( sk_c8 != multiply(sk_c7,sk_c8)
    | ~ spl3_2
    | spl3_4
    | ~ spl3_7
    | ~ spl3_12 ),
    inference(backward_demodulation,[],[f57,f175]) ).

fof(f57,plain,
    ( sk_c6 != multiply(sk_c7,sk_c8)
    | spl3_4 ),
    inference(avatar_component_clause,[],[f56]) ).

fof(f143,plain,
    ( spl3_9
    | spl3_7 ),
    inference(avatar_split_clause,[],[f12,f69,f78]) ).

fof(f12,axiom,
    ( sk_c7 = multiply(sk_c1,sk_c8)
    | sk_c7 = inverse(sk_c5) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_9) ).

fof(f142,plain,
    ( spl3_1
    | spl3_7 ),
    inference(avatar_split_clause,[],[f10,f69,f43]) ).

fof(f10,axiom,
    ( sk_c7 = multiply(sk_c1,sk_c8)
    | sk_c8 = inverse(sk_c4) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_7) ).

fof(f141,plain,
    ( spl3_9
    | spl3_3 ),
    inference(avatar_split_clause,[],[f22,f52,f78]) ).

fof(f22,axiom,
    ( sk_c8 = multiply(sk_c2,sk_c3)
    | sk_c7 = inverse(sk_c5) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_19) ).

fof(f140,plain,
    ( spl3_8
    | spl3_3 ),
    inference(avatar_split_clause,[],[f23,f52,f73]) ).

fof(f23,axiom,
    ( sk_c8 = multiply(sk_c2,sk_c3)
    | sk_c7 = multiply(sk_c5,sk_c6) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_20) ).

fof(f139,plain,
    ( spl3_18
    | spl3_15 ),
    inference(avatar_split_clause,[],[f40,f104,f137]) ).

fof(f104,plain,
    ( spl3_15
  <=> sP2 ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_15])]) ).

fof(f40,plain,
    ! [X7] :
      ( sP2
      | sk_c7 != multiply(X7,sk_c6)
      | sk_c7 != inverse(X7) ),
    inference(cnf_transformation,[],[f40_D]) ).

fof(f40_D,plain,
    ( ! [X7] :
        ( sk_c7 != multiply(X7,sk_c6)
        | sk_c7 != inverse(X7) )
  <=> ~ sP2 ),
    introduced(general_splitting_component_introduction,[new_symbols(naming,[sP2])]) ).

fof(f134,plain,
    ( spl3_11
    | spl3_7 ),
    inference(avatar_split_clause,[],[f11,f69,f87]) ).

fof(f11,axiom,
    ( sk_c7 = multiply(sk_c1,sk_c8)
    | sk_c8 = multiply(sk_c4,sk_c7) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_8) ).

fof(f133,plain,
    ( spl3_16
    | spl3_9 ),
    inference(avatar_split_clause,[],[f27,f78,f111]) ).

fof(f27,axiom,
    ( sk_c7 = inverse(sk_c5)
    | sk_c3 = inverse(sk_c2) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_24) ).

fof(f131,plain,
    ( spl3_12
    | spl3_11 ),
    inference(avatar_split_clause,[],[f16,f87,f92]) ).

fof(f16,axiom,
    ( sk_c8 = multiply(sk_c4,sk_c7)
    | sk_c8 = inverse(sk_c1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_13) ).

fof(f130,plain,
    ( spl3_2
    | spl3_4 ),
    inference(avatar_split_clause,[],[f4,f56,f47]) ).

fof(f4,axiom,
    ( sk_c6 = multiply(sk_c7,sk_c8)
    | multiply(sk_c8,sk_c7) = sk_c6 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_1) ).

fof(f129,plain,
    ( spl3_8
    | spl3_10 ),
    inference(avatar_split_clause,[],[f33,f83,f73]) ).

fof(f33,axiom,
    ( sk_c8 = multiply(sk_c3,sk_c7)
    | sk_c7 = multiply(sk_c5,sk_c6) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_30) ).

fof(f128,plain,
    ( spl3_12
    | spl3_8 ),
    inference(avatar_split_clause,[],[f18,f73,f92]) ).

fof(f18,axiom,
    ( sk_c7 = multiply(sk_c5,sk_c6)
    | sk_c8 = inverse(sk_c1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_15) ).

fof(f125,plain,
    ( spl3_2
    | spl3_11 ),
    inference(avatar_split_clause,[],[f6,f87,f47]) ).

fof(f6,axiom,
    ( sk_c8 = multiply(sk_c4,sk_c7)
    | multiply(sk_c8,sk_c7) = sk_c6 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_3) ).

fof(f124,plain,
    ( spl3_17
    | spl3_13 ),
    inference(avatar_split_clause,[],[f38,f97,f122]) ).

fof(f97,plain,
    ( spl3_13
  <=> sP1 ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_13])]) ).

fof(f38,plain,
    ! [X6] :
      ( sP1
      | sk_c8 != inverse(X6)
      | sk_c8 != multiply(X6,sk_c7) ),
    inference(cnf_transformation,[],[f38_D]) ).

fof(f38_D,plain,
    ( ! [X6] :
        ( sk_c8 != inverse(X6)
        | sk_c8 != multiply(X6,sk_c7) )
  <=> ~ sP1 ),
    introduced(general_splitting_component_introduction,[new_symbols(naming,[sP1])]) ).

fof(f120,plain,
    ( spl3_1
    | spl3_12 ),
    inference(avatar_split_clause,[],[f15,f92,f43]) ).

fof(f15,axiom,
    ( sk_c8 = inverse(sk_c1)
    | sk_c8 = inverse(sk_c4) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_12) ).

fof(f118,plain,
    ( spl3_12
    | spl3_4 ),
    inference(avatar_split_clause,[],[f14,f56,f92]) ).

fof(f14,axiom,
    ( sk_c6 = multiply(sk_c7,sk_c8)
    | sk_c8 = inverse(sk_c1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_11) ).

fof(f117,plain,
    ( spl3_2
    | spl3_8 ),
    inference(avatar_split_clause,[],[f8,f73,f47]) ).

fof(f8,axiom,
    ( sk_c7 = multiply(sk_c5,sk_c6)
    | multiply(sk_c8,sk_c7) = sk_c6 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_5) ).

fof(f116,plain,
    ( spl3_7
    | spl3_4 ),
    inference(avatar_split_clause,[],[f9,f56,f69]) ).

fof(f9,axiom,
    ( sk_c6 = multiply(sk_c7,sk_c8)
    | sk_c7 = multiply(sk_c1,sk_c8) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_6) ).

fof(f115,plain,
    ( spl3_8
    | spl3_16 ),
    inference(avatar_split_clause,[],[f28,f111,f73]) ).

fof(f28,axiom,
    ( sk_c3 = inverse(sk_c2)
    | sk_c7 = multiply(sk_c5,sk_c6) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_25) ).

fof(f109,plain,
    ( spl3_9
    | spl3_10 ),
    inference(avatar_split_clause,[],[f32,f83,f78]) ).

fof(f32,axiom,
    ( sk_c8 = multiply(sk_c3,sk_c7)
    | sk_c7 = inverse(sk_c5) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_29) ).

fof(f107,plain,
    ( ~ spl3_4
    | ~ spl3_5
    | ~ spl3_13
    | ~ spl3_2
    | spl3_14
    | ~ spl3_15 ),
    inference(avatar_split_clause,[],[f41,f104,f101,f47,f97,f61,f56]) ).

fof(f61,plain,
    ( spl3_5
  <=> sP0 ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_5])]) ).

fof(f41,plain,
    ! [X4] :
      ( ~ sP2
      | sk_c8 != multiply(X4,inverse(X4))
      | multiply(sk_c8,sk_c7) != sk_c6
      | ~ sP1
      | sk_c8 != multiply(inverse(X4),sk_c7)
      | ~ sP0
      | sk_c6 != multiply(sk_c7,sk_c8) ),
    inference(general_splitting,[],[f39,f40_D]) ).

fof(f39,plain,
    ! [X7,X4] :
      ( sk_c8 != multiply(inverse(X4),sk_c7)
      | sk_c8 != multiply(X4,inverse(X4))
      | sk_c6 != multiply(sk_c7,sk_c8)
      | multiply(sk_c8,sk_c7) != sk_c6
      | sk_c7 != inverse(X7)
      | sk_c7 != multiply(X7,sk_c6)
      | ~ sP0
      | ~ sP1 ),
    inference(general_splitting,[],[f37,f38_D]) ).

fof(f37,plain,
    ! [X6,X7,X4] :
      ( sk_c8 != multiply(inverse(X4),sk_c7)
      | sk_c8 != multiply(X6,sk_c7)
      | sk_c8 != inverse(X6)
      | sk_c8 != multiply(X4,inverse(X4))
      | sk_c6 != multiply(sk_c7,sk_c8)
      | multiply(sk_c8,sk_c7) != sk_c6
      | sk_c7 != inverse(X7)
      | sk_c7 != multiply(X7,sk_c6)
      | ~ sP0 ),
    inference(general_splitting,[],[f35,f36_D]) ).

fof(f36,plain,
    ! [X3] :
      ( sk_c7 != multiply(X3,sk_c8)
      | sP0
      | sk_c8 != inverse(X3) ),
    inference(cnf_transformation,[],[f36_D]) ).

fof(f36_D,plain,
    ( ! [X3] :
        ( sk_c7 != multiply(X3,sk_c8)
        | sk_c8 != inverse(X3) )
  <=> ~ sP0 ),
    introduced(general_splitting_component_introduction,[new_symbols(naming,[sP0])]) ).

fof(f35,plain,
    ! [X3,X6,X7,X4] :
      ( sk_c8 != multiply(inverse(X4),sk_c7)
      | sk_c8 != multiply(X6,sk_c7)
      | sk_c8 != inverse(X6)
      | sk_c7 != multiply(X3,sk_c8)
      | sk_c8 != multiply(X4,inverse(X4))
      | sk_c6 != multiply(sk_c7,sk_c8)
      | multiply(sk_c8,sk_c7) != sk_c6
      | sk_c7 != inverse(X7)
      | sk_c8 != inverse(X3)
      | sk_c7 != multiply(X7,sk_c6) ),
    inference(equality_resolution,[],[f34]) ).

fof(f34,axiom,
    ! [X3,X6,X7,X4,X5] :
      ( sk_c8 != multiply(X5,sk_c7)
      | inverse(X4) != X5
      | sk_c8 != multiply(X6,sk_c7)
      | sk_c8 != inverse(X6)
      | sk_c7 != multiply(X3,sk_c8)
      | sk_c8 != multiply(X4,X5)
      | sk_c6 != multiply(sk_c7,sk_c8)
      | multiply(sk_c8,sk_c7) != sk_c6
      | sk_c7 != inverse(X7)
      | sk_c8 != inverse(X3)
      | sk_c7 != multiply(X7,sk_c6) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_31) ).

fof(f95,plain,
    ( spl3_9
    | spl3_12 ),
    inference(avatar_split_clause,[],[f17,f92,f78]) ).

fof(f17,axiom,
    ( sk_c8 = inverse(sk_c1)
    | sk_c7 = inverse(sk_c5) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_14) ).

fof(f81,plain,
    ( spl3_2
    | spl3_9 ),
    inference(avatar_split_clause,[],[f7,f78,f47]) ).

fof(f7,axiom,
    ( sk_c7 = inverse(sk_c5)
    | multiply(sk_c8,sk_c7) = sk_c6 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_4) ).

fof(f76,plain,
    ( spl3_7
    | spl3_8 ),
    inference(avatar_split_clause,[],[f13,f73,f69]) ).

fof(f13,axiom,
    ( sk_c7 = multiply(sk_c5,sk_c6)
    | sk_c7 = multiply(sk_c1,sk_c8) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_10) ).

fof(f67,plain,
    ( spl3_5
    | spl3_6 ),
    inference(avatar_split_clause,[],[f36,f65,f61]) ).

fof(f50,plain,
    ( spl3_1
    | spl3_2 ),
    inference(avatar_split_clause,[],[f5,f47,f43]) ).

fof(f5,axiom,
    ( multiply(sk_c8,sk_c7) = sk_c6
    | sk_c8 = inverse(sk_c4) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_2) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.09/0.12  % Problem    : GRP279-1 : TPTP v8.1.0. Released v2.5.0.
% 0.09/0.12  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.12/0.33  % Computer : n001.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit   : 300
% 0.12/0.33  % WCLimit    : 300
% 0.12/0.33  % DateTime   : Mon Aug 29 22:45:00 EDT 2022
% 0.12/0.33  % CPUTime    : 
% 0.19/0.46  % (9262)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 0.19/0.49  % (9270)ott+10_1:1_tgt=ground:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.19/0.50  % (9261)ott-1_1:6_av=off:cond=on:fsr=off:nwc=3.0:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.50  % (9265)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.19/0.50  % (9260)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.19/0.51  % (9274)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=498:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/498Mi)
% 0.19/0.52  % (9266)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/68Mi)
% 0.19/0.52  % (9253)ott+10_1:32_abs=on:br=off:urr=ec_only:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 0.19/0.52  % (9257)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=48:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/48Mi)
% 0.19/0.52  % (9256)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.52  % (9254)ott+4_1:1_av=off:bd=off:nwc=5.0:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=37:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/37Mi)
% 0.19/0.52  % (9276)ott+10_1:1_kws=precedence:tgt=ground:i=482:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/482Mi)
% 0.19/0.52  % (9262)First to succeed.
% 0.19/0.52  % (9255)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.52  % (9258)fmb+10_1:1_fmbsr=2.0:nm=4:skr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.52  % (9260)Instruction limit reached!
% 0.19/0.52  % (9260)------------------------------
% 0.19/0.52  % (9260)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.52  % (9260)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.52  % (9260)Termination reason: Unknown
% 0.19/0.52  % (9260)Termination phase: Property scanning
% 0.19/0.52  
% 0.19/0.52  % (9260)Memory used [KB]: 895
% 0.19/0.52  % (9260)Time elapsed: 0.002 s
% 0.19/0.52  % (9260)Instructions burned: 2 (million)
% 0.19/0.52  % (9260)------------------------------
% 0.19/0.52  % (9260)------------------------------
% 0.19/0.52  % (9252)fmb+10_1:1_bce=on:fmbsr=1.5:nm=4:skr=on:i=191324:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/191324Mi)
% 0.19/0.52  % (9264)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 0.19/0.53  % (9262)Refutation found. Thanks to Tanya!
% 0.19/0.53  % SZS status Unsatisfiable for theBenchmark
% 0.19/0.53  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.53  % (9262)------------------------------
% 0.19/0.53  % (9262)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.53  % (9262)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.53  % (9262)Termination reason: Refutation
% 0.19/0.53  
% 0.19/0.53  % (9262)Memory used [KB]: 5756
% 0.19/0.53  % (9262)Time elapsed: 0.130 s
% 0.19/0.53  % (9262)Instructions burned: 25 (million)
% 0.19/0.53  % (9262)------------------------------
% 0.19/0.53  % (9262)------------------------------
% 0.19/0.53  % (9251)Success in time 0.184 s
%------------------------------------------------------------------------------