TSTP Solution File: GRP341-1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : GRP341-1 : 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 : n017.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 16:21:21 EDT 2022

% Result   : Unsatisfiable 1.61s 0.61s
% Output   : Refutation 1.61s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   48
% Syntax   : Number of formulae    :  178 (   6 unt;   0 def)
%            Number of atoms       :  540 ( 205 equ)
%            Maximal formula atoms :   12 (   3 avg)
%            Number of connectives :  691 ( 329   ~; 338   |;   0   &)
%                                         (  24 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :   26 (  24 usr;  25 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   7 con; 0-2 aty)
%            Number of variables   :   40 (  40   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f679,plain,
    $false,
    inference(avatar_sat_refutation,[],[f63,f68,f73,f83,f84,f94,f102,f108,f114,f115,f116,f127,f128,f131,f140,f142,f144,f145,f146,f148,f149,f150,f154,f155,f179,f268,f291,f322,f326,f330,f336,f404,f439,f525,f533,f536,f545,f611,f666,f672,f677]) ).

fof(f677,plain,
    ( spl3_24
    | ~ spl3_9
    | ~ spl3_20
    | ~ spl3_22 ),
    inference(avatar_split_clause,[],[f676,f181,f169,f86,f196]) ).

fof(f196,plain,
    ( spl3_24
  <=> sk_c6 = sk_c7 ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_24])]) ).

fof(f86,plain,
    ( spl3_9
  <=> sk_c7 = multiply(sk_c5,sk_c6) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_9])]) ).

fof(f169,plain,
    ( spl3_20
  <=> identity = sk_c6 ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_20])]) ).

fof(f181,plain,
    ( spl3_22
  <=> sk_c6 = sk_c5 ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_22])]) ).

fof(f676,plain,
    ( sk_c6 = sk_c7
    | ~ spl3_9
    | ~ spl3_20
    | ~ spl3_22 ),
    inference(forward_demodulation,[],[f675,f311]) ).

fof(f311,plain,
    ( ! [X0] : multiply(sk_c6,X0) = X0
    | ~ spl3_20 ),
    inference(backward_demodulation,[],[f1,f170]) ).

fof(f170,plain,
    ( identity = sk_c6
    | ~ spl3_20 ),
    inference(avatar_component_clause,[],[f169]) ).

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

fof(f675,plain,
    ( sk_c7 = multiply(sk_c6,sk_c6)
    | ~ spl3_9
    | ~ spl3_22 ),
    inference(forward_demodulation,[],[f88,f182]) ).

fof(f182,plain,
    ( sk_c6 = sk_c5
    | ~ spl3_22 ),
    inference(avatar_component_clause,[],[f181]) ).

fof(f88,plain,
    ( sk_c7 = multiply(sk_c5,sk_c6)
    | ~ spl3_9 ),
    inference(avatar_component_clause,[],[f86]) ).

fof(f672,plain,
    ( ~ spl3_24
    | ~ spl3_17
    | ~ spl3_20
    | ~ spl3_21 ),
    inference(avatar_split_clause,[],[f671,f173,f169,f134,f196]) ).

fof(f134,plain,
    ( spl3_17
  <=> ! [X3] :
        ( sk_c7 != multiply(X3,sk_c6)
        | sk_c7 != inverse(X3) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_17])]) ).

fof(f173,plain,
    ( spl3_21
  <=> sk_c6 = inverse(sk_c6) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_21])]) ).

fof(f671,plain,
    ( sk_c6 != sk_c7
    | ~ spl3_17
    | ~ spl3_20
    | ~ spl3_21 ),
    inference(duplicate_literal_removal,[],[f670]) ).

fof(f670,plain,
    ( sk_c6 != sk_c7
    | sk_c6 != sk_c7
    | ~ spl3_17
    | ~ spl3_20
    | ~ spl3_21 ),
    inference(forward_demodulation,[],[f669,f174]) ).

fof(f174,plain,
    ( sk_c6 = inverse(sk_c6)
    | ~ spl3_21 ),
    inference(avatar_component_clause,[],[f173]) ).

fof(f669,plain,
    ( sk_c7 != inverse(sk_c6)
    | sk_c6 != sk_c7
    | ~ spl3_17
    | ~ spl3_20
    | ~ spl3_21 ),
    inference(forward_demodulation,[],[f634,f170]) ).

fof(f634,plain,
    ( identity != sk_c7
    | sk_c7 != inverse(sk_c6)
    | ~ spl3_17
    | ~ spl3_21 ),
    inference(forward_demodulation,[],[f190,f174]) ).

fof(f190,plain,
    ( sk_c7 != inverse(inverse(sk_c6))
    | identity != sk_c7
    | ~ spl3_17 ),
    inference(superposition,[],[f135,f2]) ).

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

fof(f135,plain,
    ( ! [X3] :
        ( sk_c7 != multiply(X3,sk_c6)
        | sk_c7 != inverse(X3) )
    | ~ spl3_17 ),
    inference(avatar_component_clause,[],[f134]) ).

fof(f666,plain,
    ( spl3_24
    | ~ spl3_14
    | ~ spl3_20
    | ~ spl3_21
    | ~ spl3_22 ),
    inference(avatar_split_clause,[],[f665,f181,f173,f169,f111,f196]) ).

fof(f111,plain,
    ( spl3_14
  <=> multiply(sk_c6,sk_c7) = sk_c5 ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_14])]) ).

fof(f665,plain,
    ( sk_c6 = sk_c7
    | ~ spl3_14
    | ~ spl3_20
    | ~ spl3_21
    | ~ spl3_22 ),
    inference(forward_demodulation,[],[f664,f311]) ).

fof(f664,plain,
    ( sk_c7 = multiply(sk_c6,sk_c6)
    | ~ spl3_14
    | ~ spl3_21
    | ~ spl3_22 ),
    inference(forward_demodulation,[],[f470,f182]) ).

fof(f470,plain,
    ( sk_c7 = multiply(sk_c6,sk_c5)
    | ~ spl3_14
    | ~ spl3_21 ),
    inference(forward_demodulation,[],[f242,f174]) ).

fof(f242,plain,
    ( sk_c7 = multiply(inverse(sk_c6),sk_c5)
    | ~ spl3_14 ),
    inference(superposition,[],[f224,f113]) ).

fof(f113,plain,
    ( multiply(sk_c6,sk_c7) = sk_c5
    | ~ spl3_14 ),
    inference(avatar_component_clause,[],[f111]) ).

fof(f224,plain,
    ! [X6,X7] : multiply(inverse(X6),multiply(X6,X7)) = X7,
    inference(forward_demodulation,[],[f215,f1]) ).

fof(f215,plain,
    ! [X6,X7] : multiply(identity,X7) = multiply(inverse(X6),multiply(X6,X7)),
    inference(superposition,[],[f3,f2]) ).

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(f611,plain,
    ( ~ spl3_16
    | ~ spl3_20
    | ~ spl3_21
    | ~ spl3_22 ),
    inference(avatar_contradiction_clause,[],[f610]) ).

fof(f610,plain,
    ( $false
    | ~ spl3_16
    | ~ spl3_20
    | ~ spl3_21
    | ~ spl3_22 ),
    inference(subsumption_resolution,[],[f609,f174]) ).

fof(f609,plain,
    ( sk_c6 != inverse(sk_c6)
    | ~ spl3_16
    | ~ spl3_20
    | ~ spl3_21
    | ~ spl3_22 ),
    inference(forward_demodulation,[],[f605,f174]) ).

fof(f605,plain,
    ( sk_c6 != inverse(inverse(sk_c6))
    | ~ spl3_16
    | ~ spl3_20
    | ~ spl3_22 ),
    inference(trivial_inequality_removal,[],[f603]) ).

fof(f603,plain,
    ( sk_c6 != inverse(inverse(sk_c6))
    | sk_c6 != sk_c6
    | ~ spl3_16
    | ~ spl3_20
    | ~ spl3_22 ),
    inference(superposition,[],[f590,f312]) ).

fof(f312,plain,
    ( ! [X0] : multiply(inverse(X0),X0) = sk_c6
    | ~ spl3_20 ),
    inference(backward_demodulation,[],[f2,f170]) ).

fof(f590,plain,
    ( ! [X6] :
        ( sk_c6 != multiply(X6,sk_c6)
        | sk_c6 != inverse(X6) )
    | ~ spl3_16
    | ~ spl3_22 ),
    inference(forward_demodulation,[],[f126,f182]) ).

fof(f126,plain,
    ( ! [X6] :
        ( sk_c5 != multiply(X6,sk_c6)
        | sk_c6 != inverse(X6) )
    | ~ spl3_16 ),
    inference(avatar_component_clause,[],[f125]) ).

fof(f125,plain,
    ( spl3_16
  <=> ! [X6] :
        ( sk_c6 != inverse(X6)
        | sk_c5 != multiply(X6,sk_c6) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_16])]) ).

fof(f545,plain,
    ( spl3_20
    | ~ spl3_4
    | ~ spl3_7
    | ~ spl3_24 ),
    inference(avatar_split_clause,[],[f304,f196,f76,f60,f169]) ).

fof(f60,plain,
    ( spl3_4
  <=> sk_c7 = multiply(sk_c1,sk_c6) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_4])]) ).

fof(f76,plain,
    ( spl3_7
  <=> sk_c7 = inverse(sk_c1) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_7])]) ).

fof(f304,plain,
    ( identity = sk_c6
    | ~ spl3_4
    | ~ spl3_7
    | ~ spl3_24 ),
    inference(superposition,[],[f285,f2]) ).

fof(f285,plain,
    ( sk_c6 = multiply(inverse(sk_c6),sk_c6)
    | ~ spl3_4
    | ~ spl3_7
    | ~ spl3_24 ),
    inference(superposition,[],[f224,f280]) ).

fof(f280,plain,
    ( sk_c6 = multiply(sk_c6,sk_c6)
    | ~ spl3_4
    | ~ spl3_7
    | ~ spl3_24 ),
    inference(forward_demodulation,[],[f278,f270]) ).

fof(f270,plain,
    ( sk_c6 = inverse(sk_c1)
    | ~ spl3_7
    | ~ spl3_24 ),
    inference(backward_demodulation,[],[f78,f197]) ).

fof(f197,plain,
    ( sk_c6 = sk_c7
    | ~ spl3_24 ),
    inference(avatar_component_clause,[],[f196]) ).

fof(f78,plain,
    ( sk_c7 = inverse(sk_c1)
    | ~ spl3_7 ),
    inference(avatar_component_clause,[],[f76]) ).

fof(f278,plain,
    ( sk_c6 = multiply(inverse(sk_c1),sk_c6)
    | ~ spl3_4
    | ~ spl3_24 ),
    inference(superposition,[],[f224,f269]) ).

fof(f269,plain,
    ( sk_c6 = multiply(sk_c1,sk_c6)
    | ~ spl3_4
    | ~ spl3_24 ),
    inference(backward_demodulation,[],[f62,f197]) ).

fof(f62,plain,
    ( sk_c7 = multiply(sk_c1,sk_c6)
    | ~ spl3_4 ),
    inference(avatar_component_clause,[],[f60]) ).

fof(f536,plain,
    ( spl3_22
    | ~ spl3_2
    | ~ spl3_4
    | ~ spl3_6
    | ~ spl3_7
    | ~ spl3_24 ),
    inference(avatar_split_clause,[],[f284,f196,f76,f70,f60,f51,f181]) ).

fof(f51,plain,
    ( spl3_2
  <=> sk_c6 = multiply(sk_c2,sk_c5) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_2])]) ).

fof(f70,plain,
    ( spl3_6
  <=> sk_c6 = inverse(sk_c2) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_6])]) ).

fof(f284,plain,
    ( sk_c6 = sk_c5
    | ~ spl3_2
    | ~ spl3_4
    | ~ spl3_6
    | ~ spl3_7
    | ~ spl3_24 ),
    inference(backward_demodulation,[],[f230,f280]) ).

fof(f230,plain,
    ( sk_c5 = multiply(sk_c6,sk_c6)
    | ~ spl3_2
    | ~ spl3_6 ),
    inference(superposition,[],[f225,f53]) ).

fof(f53,plain,
    ( sk_c6 = multiply(sk_c2,sk_c5)
    | ~ spl3_2 ),
    inference(avatar_component_clause,[],[f51]) ).

fof(f225,plain,
    ( ! [X9] : multiply(sk_c6,multiply(sk_c2,X9)) = X9
    | ~ spl3_6 ),
    inference(forward_demodulation,[],[f217,f1]) ).

fof(f217,plain,
    ( ! [X9] : multiply(identity,X9) = multiply(sk_c6,multiply(sk_c2,X9))
    | ~ spl3_6 ),
    inference(superposition,[],[f3,f161]) ).

fof(f161,plain,
    ( identity = multiply(sk_c6,sk_c2)
    | ~ spl3_6 ),
    inference(superposition,[],[f2,f72]) ).

fof(f72,plain,
    ( sk_c6 = inverse(sk_c2)
    | ~ spl3_6 ),
    inference(avatar_component_clause,[],[f70]) ).

fof(f533,plain,
    ( spl3_22
    | ~ spl3_8
    | ~ spl3_20 ),
    inference(avatar_split_clause,[],[f442,f169,f80,f181]) ).

fof(f80,plain,
    ( spl3_8
  <=> sk_c6 = inverse(sk_c5) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_8])]) ).

fof(f442,plain,
    ( sk_c6 = sk_c5
    | ~ spl3_8
    | ~ spl3_20 ),
    inference(forward_demodulation,[],[f441,f170]) ).

fof(f441,plain,
    ( identity = sk_c5
    | ~ spl3_8
    | ~ spl3_20 ),
    inference(forward_demodulation,[],[f157,f311]) ).

fof(f157,plain,
    ( identity = multiply(sk_c6,sk_c5)
    | ~ spl3_8 ),
    inference(superposition,[],[f2,f82]) ).

fof(f82,plain,
    ( sk_c6 = inverse(sk_c5)
    | ~ spl3_8 ),
    inference(avatar_component_clause,[],[f80]) ).

fof(f525,plain,
    ( spl3_20
    | ~ spl3_3
    | ~ spl3_8
    | ~ spl3_10 ),
    inference(avatar_split_clause,[],[f506,f91,f80,f56,f169]) ).

fof(f56,plain,
    ( spl3_3
  <=> sk_c5 = multiply(sk_c4,sk_c6) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_3])]) ).

fof(f91,plain,
    ( spl3_10
  <=> sk_c6 = inverse(sk_c4) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_10])]) ).

fof(f506,plain,
    ( identity = sk_c6
    | ~ spl3_3
    | ~ spl3_8
    | ~ spl3_10 ),
    inference(backward_demodulation,[],[f157,f458]) ).

fof(f458,plain,
    ( sk_c6 = multiply(sk_c6,sk_c5)
    | ~ spl3_3
    | ~ spl3_10 ),
    inference(forward_demodulation,[],[f456,f93]) ).

fof(f93,plain,
    ( sk_c6 = inverse(sk_c4)
    | ~ spl3_10 ),
    inference(avatar_component_clause,[],[f91]) ).

fof(f456,plain,
    ( sk_c6 = multiply(inverse(sk_c4),sk_c5)
    | ~ spl3_3 ),
    inference(superposition,[],[f224,f58]) ).

fof(f58,plain,
    ( sk_c5 = multiply(sk_c4,sk_c6)
    | ~ spl3_3 ),
    inference(avatar_component_clause,[],[f56]) ).

fof(f439,plain,
    ( ~ spl3_22
    | spl3_14
    | ~ spl3_20
    | ~ spl3_24 ),
    inference(avatar_split_clause,[],[f438,f196,f169,f111,f181]) ).

fof(f438,plain,
    ( sk_c6 != sk_c5
    | spl3_14
    | ~ spl3_20
    | ~ spl3_24 ),
    inference(forward_demodulation,[],[f437,f197]) ).

fof(f437,plain,
    ( sk_c7 != sk_c5
    | spl3_14
    | ~ spl3_20 ),
    inference(forward_demodulation,[],[f112,f311]) ).

fof(f112,plain,
    ( multiply(sk_c6,sk_c7) != sk_c5
    | spl3_14 ),
    inference(avatar_component_clause,[],[f111]) ).

fof(f404,plain,
    ( ~ spl3_19
    | ~ spl3_20
    | ~ spl3_21
    | ~ spl3_24 ),
    inference(avatar_contradiction_clause,[],[f403]) ).

fof(f403,plain,
    ( $false
    | ~ spl3_19
    | ~ spl3_20
    | ~ spl3_21
    | ~ spl3_24 ),
    inference(subsumption_resolution,[],[f395,f174]) ).

fof(f395,plain,
    ( sk_c6 != inverse(sk_c6)
    | ~ spl3_19
    | ~ spl3_20
    | ~ spl3_24 ),
    inference(trivial_inequality_removal,[],[f394]) ).

fof(f394,plain,
    ( sk_c6 != inverse(sk_c6)
    | sk_c6 != sk_c6
    | ~ spl3_19
    | ~ spl3_20
    | ~ spl3_24 ),
    inference(superposition,[],[f340,f311]) ).

fof(f340,plain,
    ( ! [X5] :
        ( sk_c6 != multiply(X5,sk_c6)
        | sk_c6 != inverse(X5) )
    | ~ spl3_19
    | ~ spl3_24 ),
    inference(forward_demodulation,[],[f339,f197]) ).

fof(f339,plain,
    ( ! [X5] :
        ( sk_c6 != multiply(X5,sk_c7)
        | sk_c6 != inverse(X5) )
    | ~ spl3_19
    | ~ spl3_24 ),
    inference(forward_demodulation,[],[f153,f197]) ).

fof(f153,plain,
    ( ! [X5] :
        ( sk_c7 != inverse(X5)
        | sk_c6 != multiply(X5,sk_c7) )
    | ~ spl3_19 ),
    inference(avatar_component_clause,[],[f152]) ).

fof(f152,plain,
    ( spl3_19
  <=> ! [X5] :
        ( sk_c7 != inverse(X5)
        | sk_c6 != multiply(X5,sk_c7) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_19])]) ).

fof(f336,plain,
    ( ~ spl3_4
    | ~ spl3_7
    | spl3_9
    | ~ spl3_22
    | ~ spl3_24 ),
    inference(avatar_contradiction_clause,[],[f335]) ).

fof(f335,plain,
    ( $false
    | ~ spl3_4
    | ~ spl3_7
    | spl3_9
    | ~ spl3_22
    | ~ spl3_24 ),
    inference(subsumption_resolution,[],[f334,f197]) ).

fof(f334,plain,
    ( sk_c6 != sk_c7
    | ~ spl3_4
    | ~ spl3_7
    | spl3_9
    | ~ spl3_22
    | ~ spl3_24 ),
    inference(forward_demodulation,[],[f333,f280]) ).

fof(f333,plain,
    ( sk_c7 != multiply(sk_c6,sk_c6)
    | spl3_9
    | ~ spl3_22 ),
    inference(forward_demodulation,[],[f87,f182]) ).

fof(f87,plain,
    ( sk_c7 != multiply(sk_c5,sk_c6)
    | spl3_9 ),
    inference(avatar_component_clause,[],[f86]) ).

fof(f330,plain,
    ( spl3_21
    | ~ spl3_8
    | ~ spl3_22 ),
    inference(avatar_split_clause,[],[f329,f181,f80,f173]) ).

fof(f329,plain,
    ( sk_c6 = inverse(sk_c6)
    | ~ spl3_8
    | ~ spl3_22 ),
    inference(forward_demodulation,[],[f82,f182]) ).

fof(f326,plain,
    ( ~ spl3_4
    | spl3_5
    | ~ spl3_7
    | ~ spl3_22
    | ~ spl3_24 ),
    inference(avatar_contradiction_clause,[],[f325]) ).

fof(f325,plain,
    ( $false
    | ~ spl3_4
    | spl3_5
    | ~ spl3_7
    | ~ spl3_22
    | ~ spl3_24 ),
    inference(subsumption_resolution,[],[f324,f280]) ).

fof(f324,plain,
    ( sk_c6 != multiply(sk_c6,sk_c6)
    | spl3_5
    | ~ spl3_22
    | ~ spl3_24 ),
    inference(forward_demodulation,[],[f323,f182]) ).

fof(f323,plain,
    ( sk_c6 != multiply(sk_c5,sk_c6)
    | spl3_5
    | ~ spl3_24 ),
    inference(forward_demodulation,[],[f66,f197]) ).

fof(f66,plain,
    ( sk_c6 != multiply(sk_c5,sk_c7)
    | spl3_5 ),
    inference(avatar_component_clause,[],[f65]) ).

fof(f65,plain,
    ( spl3_5
  <=> sk_c6 = multiply(sk_c5,sk_c7) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_5])]) ).

fof(f322,plain,
    ( spl3_21
    | ~ spl3_4
    | ~ spl3_7
    | ~ spl3_20
    | ~ spl3_24 ),
    inference(avatar_split_clause,[],[f319,f196,f169,f76,f60,f173]) ).

fof(f319,plain,
    ( sk_c6 = inverse(sk_c6)
    | ~ spl3_4
    | ~ spl3_7
    | ~ spl3_20
    | ~ spl3_24 ),
    inference(backward_demodulation,[],[f270,f316]) ).

fof(f316,plain,
    ( sk_c6 = sk_c1
    | ~ spl3_4
    | ~ spl3_7
    | ~ spl3_20
    | ~ spl3_24 ),
    inference(forward_demodulation,[],[f315,f285]) ).

fof(f315,plain,
    ( sk_c1 = multiply(inverse(sk_c6),sk_c6)
    | ~ spl3_7
    | ~ spl3_20
    | ~ spl3_24 ),
    inference(backward_demodulation,[],[f275,f170]) ).

fof(f275,plain,
    ( sk_c1 = multiply(inverse(sk_c6),identity)
    | ~ spl3_7
    | ~ spl3_24 ),
    inference(backward_demodulation,[],[f244,f197]) ).

fof(f244,plain,
    ( sk_c1 = multiply(inverse(sk_c7),identity)
    | ~ spl3_7 ),
    inference(superposition,[],[f224,f160]) ).

fof(f160,plain,
    ( identity = multiply(sk_c7,sk_c1)
    | ~ spl3_7 ),
    inference(superposition,[],[f2,f78]) ).

fof(f291,plain,
    ( ~ spl3_21
    | spl3_8
    | ~ spl3_22 ),
    inference(avatar_split_clause,[],[f289,f181,f80,f173]) ).

fof(f289,plain,
    ( sk_c6 != inverse(sk_c6)
    | spl3_8
    | ~ spl3_22 ),
    inference(backward_demodulation,[],[f81,f182]) ).

fof(f81,plain,
    ( sk_c6 != inverse(sk_c5)
    | spl3_8 ),
    inference(avatar_component_clause,[],[f80]) ).

fof(f268,plain,
    ( spl3_24
    | ~ spl3_2
    | ~ spl3_6
    | ~ spl3_14 ),
    inference(avatar_split_clause,[],[f265,f111,f70,f51,f196]) ).

fof(f265,plain,
    ( sk_c6 = sk_c7
    | ~ spl3_2
    | ~ spl3_6
    | ~ spl3_14 ),
    inference(backward_demodulation,[],[f242,f241]) ).

fof(f241,plain,
    ( sk_c6 = multiply(inverse(sk_c6),sk_c5)
    | ~ spl3_2
    | ~ spl3_6 ),
    inference(superposition,[],[f224,f230]) ).

fof(f179,plain,
    ( ~ spl3_21
    | ~ spl3_20
    | ~ spl3_8
    | ~ spl3_11 ),
    inference(avatar_split_clause,[],[f164,f96,f80,f169,f173]) ).

fof(f96,plain,
    ( spl3_11
  <=> ! [X4] :
        ( sk_c6 != inverse(X4)
        | sk_c6 != multiply(X4,sk_c5) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_11])]) ).

fof(f164,plain,
    ( identity != sk_c6
    | sk_c6 != inverse(sk_c6)
    | ~ spl3_8
    | ~ spl3_11 ),
    inference(superposition,[],[f97,f157]) ).

fof(f97,plain,
    ( ! [X4] :
        ( sk_c6 != multiply(X4,sk_c5)
        | sk_c6 != inverse(X4) )
    | ~ spl3_11 ),
    inference(avatar_component_clause,[],[f96]) ).

fof(f155,plain,
    ( spl3_4
    | spl3_8 ),
    inference(avatar_split_clause,[],[f20,f80,f60]) ).

fof(f20,axiom,
    ( sk_c6 = inverse(sk_c5)
    | sk_c7 = multiply(sk_c1,sk_c6) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_17) ).

fof(f154,plain,
    ( spl3_19
    | ~ spl3_18
    | ~ spl3_15
    | ~ spl3_12
    | ~ spl3_8
    | ~ spl3_9
    | ~ spl3_14
    | ~ spl3_5 ),
    inference(avatar_split_clause,[],[f45,f65,f111,f86,f80,f99,f121,f137,f152]) ).

fof(f137,plain,
    ( spl3_18
  <=> sP0 ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_18])]) ).

fof(f121,plain,
    ( spl3_15
  <=> sP1 ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_15])]) ).

fof(f99,plain,
    ( spl3_12
  <=> sP2 ),
    introduced(avatar_definition,[new_symbols(naming,[spl3_12])]) ).

fof(f45,plain,
    ! [X5] :
      ( sk_c6 != multiply(sk_c5,sk_c7)
      | multiply(sk_c6,sk_c7) != sk_c5
      | sk_c7 != multiply(sk_c5,sk_c6)
      | sk_c6 != inverse(sk_c5)
      | ~ sP2
      | ~ sP1
      | ~ sP0
      | sk_c7 != inverse(X5)
      | sk_c6 != multiply(X5,sk_c7) ),
    inference(general_splitting,[],[f43,f44_D]) ).

fof(f44,plain,
    ! [X4] :
      ( sP2
      | sk_c6 != inverse(X4)
      | sk_c6 != multiply(X4,sk_c5) ),
    inference(cnf_transformation,[],[f44_D]) ).

fof(f44_D,plain,
    ( ! [X4] :
        ( sk_c6 != inverse(X4)
        | sk_c6 != multiply(X4,sk_c5) )
  <=> ~ sP2 ),
    introduced(general_splitting_component_introduction,[new_symbols(naming,[sP2])]) ).

fof(f43,plain,
    ! [X4,X5] :
      ( sk_c7 != multiply(sk_c5,sk_c6)
      | multiply(sk_c6,sk_c7) != sk_c5
      | sk_c6 != inverse(sk_c5)
      | sk_c6 != multiply(X4,sk_c5)
      | sk_c7 != inverse(X5)
      | sk_c6 != inverse(X4)
      | sk_c6 != multiply(X5,sk_c7)
      | sk_c6 != multiply(sk_c5,sk_c7)
      | ~ sP0
      | ~ sP1 ),
    inference(general_splitting,[],[f41,f42_D]) ).

fof(f42,plain,
    ! [X6] :
      ( sk_c6 != inverse(X6)
      | sP1
      | sk_c5 != multiply(X6,sk_c6) ),
    inference(cnf_transformation,[],[f42_D]) ).

fof(f42_D,plain,
    ( ! [X6] :
        ( sk_c6 != inverse(X6)
        | sk_c5 != multiply(X6,sk_c6) )
  <=> ~ sP1 ),
    introduced(general_splitting_component_introduction,[new_symbols(naming,[sP1])]) ).

fof(f41,plain,
    ! [X6,X4,X5] :
      ( sk_c7 != multiply(sk_c5,sk_c6)
      | multiply(sk_c6,sk_c7) != sk_c5
      | sk_c5 != multiply(X6,sk_c6)
      | sk_c6 != inverse(sk_c5)
      | sk_c6 != inverse(X6)
      | sk_c6 != multiply(X4,sk_c5)
      | sk_c7 != inverse(X5)
      | sk_c6 != inverse(X4)
      | sk_c6 != multiply(X5,sk_c7)
      | sk_c6 != multiply(sk_c5,sk_c7)
      | ~ sP0 ),
    inference(general_splitting,[],[f39,f40_D]) ).

fof(f40,plain,
    ! [X3] :
      ( sP0
      | sk_c7 != multiply(X3,sk_c6)
      | sk_c7 != inverse(X3) ),
    inference(cnf_transformation,[],[f40_D]) ).

fof(f40_D,plain,
    ( ! [X3] :
        ( sk_c7 != multiply(X3,sk_c6)
        | sk_c7 != inverse(X3) )
  <=> ~ sP0 ),
    introduced(general_splitting_component_introduction,[new_symbols(naming,[sP0])]) ).

fof(f39,axiom,
    ! [X3,X6,X4,X5] :
      ( sk_c7 != inverse(X3)
      | sk_c7 != multiply(sk_c5,sk_c6)
      | multiply(sk_c6,sk_c7) != sk_c5
      | sk_c5 != multiply(X6,sk_c6)
      | sk_c6 != inverse(sk_c5)
      | sk_c6 != inverse(X6)
      | sk_c6 != multiply(X4,sk_c5)
      | sk_c7 != inverse(X5)
      | sk_c7 != multiply(X3,sk_c6)
      | sk_c6 != inverse(X4)
      | sk_c6 != multiply(X5,sk_c7)
      | sk_c6 != multiply(sk_c5,sk_c7) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_36) ).

fof(f150,plain,
    ( spl3_10
    | spl3_7 ),
    inference(avatar_split_clause,[],[f15,f76,f91]) ).

fof(f15,axiom,
    ( sk_c7 = inverse(sk_c1)
    | sk_c6 = inverse(sk_c4) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_12) ).

fof(f149,plain,
    ( spl3_10
    | spl3_4 ),
    inference(avatar_split_clause,[],[f22,f60,f91]) ).

fof(f22,axiom,
    ( sk_c7 = multiply(sk_c1,sk_c6)
    | sk_c6 = inverse(sk_c4) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_19) ).

fof(f148,plain,
    ( spl3_3
    | spl3_2 ),
    inference(avatar_split_clause,[],[f35,f51,f56]) ).

fof(f35,axiom,
    ( sk_c6 = multiply(sk_c2,sk_c5)
    | sk_c5 = multiply(sk_c4,sk_c6) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_32) ).

fof(f146,plain,
    ( spl3_7
    | spl3_3 ),
    inference(avatar_split_clause,[],[f14,f56,f76]) ).

fof(f14,axiom,
    ( sk_c5 = multiply(sk_c4,sk_c6)
    | sk_c7 = inverse(sk_c1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_11) ).

fof(f145,plain,
    ( spl3_9
    | spl3_7 ),
    inference(avatar_split_clause,[],[f17,f76,f86]) ).

fof(f17,axiom,
    ( sk_c7 = inverse(sk_c1)
    | sk_c7 = multiply(sk_c5,sk_c6) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_14) ).

fof(f144,plain,
    ( spl3_6
    | spl3_8 ),
    inference(avatar_split_clause,[],[f27,f80,f70]) ).

fof(f27,axiom,
    ( sk_c6 = inverse(sk_c5)
    | sk_c6 = inverse(sk_c2) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_24) ).

fof(f142,plain,
    ( spl3_6
    | spl3_10 ),
    inference(avatar_split_clause,[],[f29,f91,f70]) ).

fof(f29,axiom,
    ( sk_c6 = inverse(sk_c4)
    | sk_c6 = inverse(sk_c2) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_26) ).

fof(f140,plain,
    ( spl3_17
    | spl3_18 ),
    inference(avatar_split_clause,[],[f40,f137,f134]) ).

fof(f131,plain,
    ( spl3_14
    | spl3_9 ),
    inference(avatar_split_clause,[],[f10,f86,f111]) ).

fof(f10,axiom,
    ( sk_c7 = multiply(sk_c5,sk_c6)
    | multiply(sk_c6,sk_c7) = sk_c5 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_7) ).

fof(f128,plain,
    ( spl3_10
    | spl3_14 ),
    inference(avatar_split_clause,[],[f8,f111,f91]) ).

fof(f8,axiom,
    ( multiply(sk_c6,sk_c7) = sk_c5
    | sk_c6 = inverse(sk_c4) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_5) ).

fof(f127,plain,
    ( spl3_15
    | spl3_16 ),
    inference(avatar_split_clause,[],[f42,f125,f121]) ).

fof(f116,plain,
    ( spl3_14
    | spl3_3 ),
    inference(avatar_split_clause,[],[f7,f56,f111]) ).

fof(f7,axiom,
    ( sk_c5 = multiply(sk_c4,sk_c6)
    | multiply(sk_c6,sk_c7) = sk_c5 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_4) ).

fof(f115,plain,
    ( spl3_7
    | spl3_5 ),
    inference(avatar_split_clause,[],[f16,f65,f76]) ).

fof(f16,axiom,
    ( sk_c6 = multiply(sk_c5,sk_c7)
    | sk_c7 = inverse(sk_c1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_13) ).

fof(f114,plain,
    ( spl3_14
    | spl3_8 ),
    inference(avatar_split_clause,[],[f6,f80,f111]) ).

fof(f6,axiom,
    ( sk_c6 = inverse(sk_c5)
    | multiply(sk_c6,sk_c7) = sk_c5 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_3) ).

fof(f108,plain,
    ( spl3_4
    | spl3_9 ),
    inference(avatar_split_clause,[],[f24,f86,f60]) ).

fof(f24,axiom,
    ( sk_c7 = multiply(sk_c5,sk_c6)
    | sk_c7 = multiply(sk_c1,sk_c6) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_21) ).

fof(f102,plain,
    ( spl3_11
    | spl3_12 ),
    inference(avatar_split_clause,[],[f44,f99,f96]) ).

fof(f94,plain,
    ( spl3_10
    | spl3_2 ),
    inference(avatar_split_clause,[],[f36,f51,f91]) ).

fof(f36,axiom,
    ( sk_c6 = multiply(sk_c2,sk_c5)
    | sk_c6 = inverse(sk_c4) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_33) ).

fof(f84,plain,
    ( spl3_2
    | spl3_8 ),
    inference(avatar_split_clause,[],[f34,f80,f51]) ).

fof(f34,axiom,
    ( sk_c6 = inverse(sk_c5)
    | sk_c6 = multiply(sk_c2,sk_c5) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_31) ).

fof(f83,plain,
    ( spl3_7
    | spl3_8 ),
    inference(avatar_split_clause,[],[f13,f80,f76]) ).

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

fof(f73,plain,
    ( spl3_3
    | spl3_6 ),
    inference(avatar_split_clause,[],[f28,f70,f56]) ).

fof(f28,axiom,
    ( sk_c6 = inverse(sk_c2)
    | sk_c5 = multiply(sk_c4,sk_c6) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_25) ).

fof(f68,plain,
    ( spl3_4
    | spl3_5 ),
    inference(avatar_split_clause,[],[f23,f65,f60]) ).

fof(f23,axiom,
    ( sk_c6 = multiply(sk_c5,sk_c7)
    | sk_c7 = multiply(sk_c1,sk_c6) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_20) ).

fof(f63,plain,
    ( spl3_3
    | spl3_4 ),
    inference(avatar_split_clause,[],[f21,f60,f56]) ).

fof(f21,axiom,
    ( sk_c7 = multiply(sk_c1,sk_c6)
    | sk_c5 = multiply(sk_c4,sk_c6) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_18) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : GRP341-1 : TPTP v8.1.0. Released v2.5.0.
% 0.07/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.13/0.34  % Computer : n017.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit   : 300
% 0.13/0.34  % WCLimit    : 300
% 0.13/0.34  % DateTime   : Mon Aug 29 21:49:05 EDT 2022
% 0.13/0.35  % CPUTime    : 
% 1.27/0.54  % (462)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 1.27/0.55  % (454)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)
% 1.61/0.56  % (491)ott+33_1:4_s2a=on:tgt=ground:i=439:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/439Mi)
% 1.61/0.56  % (465)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 1.61/0.57  % (480)ott+10_1:1_kws=precedence:tgt=ground:i=482:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/482Mi)
% 1.61/0.58  % (451)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)
% 1.61/0.58  % (457)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 1.61/0.59  % (454)First to succeed.
% 1.61/0.59  % (457)Instruction limit reached!
% 1.61/0.59  % (457)------------------------------
% 1.61/0.59  % (457)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.61/0.59  % (457)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.61/0.59  % (457)Termination reason: Unknown
% 1.61/0.59  % (457)Termination phase: Saturation
% 1.61/0.59  
% 1.61/0.59  % (457)Memory used [KB]: 5373
% 1.61/0.59  % (457)Time elapsed: 0.163 s
% 1.61/0.59  % (457)Instructions burned: 2 (million)
% 1.61/0.59  % (457)------------------------------
% 1.61/0.59  % (457)------------------------------
% 1.61/0.59  % (472)ott+11_1:1_drc=off:nwc=5.0:slsq=on:slsqc=1:spb=goal_then_units:to=lpo:i=467:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/467Mi)
% 1.61/0.59  % (461)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 1.61/0.60  % (464)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=75:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/75Mi)
% 1.61/0.60  % (463)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)
% 1.61/0.60  % (471)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)
% 1.61/0.60  % (453)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 1.61/0.61  % (452)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)
% 1.61/0.61  % (454)Refutation found. Thanks to Tanya!
% 1.61/0.61  % SZS status Unsatisfiable for theBenchmark
% 1.61/0.61  % SZS output start Proof for theBenchmark
% See solution above
% 1.61/0.61  % (454)------------------------------
% 1.61/0.61  % (454)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.61/0.61  % (454)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.61/0.61  % (454)Termination reason: Refutation
% 1.61/0.61  
% 1.61/0.61  % (454)Memory used [KB]: 5756
% 1.61/0.61  % (454)Time elapsed: 0.153 s
% 1.61/0.61  % (454)Instructions burned: 19 (million)
% 1.61/0.61  % (454)------------------------------
% 1.61/0.61  % (454)------------------------------
% 1.61/0.61  % (448)Success in time 0.255 s
%------------------------------------------------------------------------------