TSTP Solution File: GRP256-1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : GRP256-1 : 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 : n016.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 16:21:03 EDT 2022

% Result   : Unsatisfiable 1.40s 0.53s
% Output   : Refutation 1.40s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   43
% Syntax   : Number of formulae    :  158 (   4 unt;   0 def)
%            Number of atoms       :  476 ( 181 equ)
%            Maximal formula atoms :   13 (   3 avg)
%            Number of connectives :  618 ( 300   ~; 299   |;   0   &)
%                                         (  19 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   21 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :   21 (  19 usr;  20 prp; 0-2 aty)
%            Number of functors    :   13 (  13 usr;  11 con; 0-2 aty)
%            Number of variables   :   42 (  42   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f518,plain,
    $false,
    inference(avatar_sat_refutation,[],[f56,f70,f84,f93,f95,f105,f106,f108,f109,f113,f121,f122,f131,f132,f133,f134,f151,f152,f154,f155,f157,f265,f365,f367,f392,f394,f412,f416,f439,f478,f482,f491,f517]) ).

fof(f517,plain,
    ( ~ spl0_2
    | ~ spl0_8
    | ~ spl0_15 ),
    inference(avatar_contradiction_clause,[],[f516]) ).

fof(f516,plain,
    ( $false
    | ~ spl0_2
    | ~ spl0_8
    | ~ spl0_15 ),
    inference(subsumption_resolution,[],[f515,f83]) ).

fof(f83,plain,
    ( sk_c10 = inverse(sk_c1)
    | ~ spl0_8 ),
    inference(avatar_component_clause,[],[f81]) ).

fof(f81,plain,
    ( spl0_8
  <=> sk_c10 = inverse(sk_c1) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_8])]) ).

fof(f515,plain,
    ( sk_c10 != inverse(sk_c1)
    | ~ spl0_2
    | ~ spl0_15 ),
    inference(trivial_inequality_removal,[],[f514]) ).

fof(f514,plain,
    ( sk_c10 != inverse(sk_c1)
    | sk_c9 != sk_c9
    | ~ spl0_2
    | ~ spl0_15 ),
    inference(superposition,[],[f141,f55]) ).

fof(f55,plain,
    ( multiply(sk_c1,sk_c10) = sk_c9
    | ~ spl0_2 ),
    inference(avatar_component_clause,[],[f53]) ).

fof(f53,plain,
    ( spl0_2
  <=> multiply(sk_c1,sk_c10) = sk_c9 ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_2])]) ).

fof(f141,plain,
    ( ! [X6] :
        ( sk_c9 != multiply(X6,sk_c10)
        | sk_c10 != inverse(X6) )
    | ~ spl0_15 ),
    inference(avatar_component_clause,[],[f140]) ).

fof(f140,plain,
    ( spl0_15
  <=> ! [X6] :
        ( sk_c9 != multiply(X6,sk_c10)
        | sk_c10 != inverse(X6) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_15])]) ).

fof(f491,plain,
    ( ~ spl0_5
    | ~ spl0_10
    | ~ spl0_13
    | spl0_20 ),
    inference(avatar_contradiction_clause,[],[f490]) ).

fof(f490,plain,
    ( $false
    | ~ spl0_5
    | ~ spl0_10
    | ~ spl0_13
    | spl0_20 ),
    inference(subsumption_resolution,[],[f489,f168]) ).

fof(f168,plain,
    ( sk_c9 != sk_c8
    | spl0_20 ),
    inference(avatar_component_clause,[],[f166]) ).

fof(f166,plain,
    ( spl0_20
  <=> sk_c9 = sk_c8 ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_20])]) ).

fof(f489,plain,
    ( sk_c9 = sk_c8
    | ~ spl0_5
    | ~ spl0_10
    | ~ spl0_13 ),
    inference(backward_demodulation,[],[f92,f344]) ).

fof(f344,plain,
    ( sk_c9 = multiply(sk_c9,sk_c7)
    | ~ spl0_5
    | ~ spl0_13 ),
    inference(superposition,[],[f334,f119]) ).

fof(f119,plain,
    ( sk_c7 = multiply(sk_c6,sk_c9)
    | ~ spl0_13 ),
    inference(avatar_component_clause,[],[f117]) ).

fof(f117,plain,
    ( spl0_13
  <=> sk_c7 = multiply(sk_c6,sk_c9) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_13])]) ).

fof(f334,plain,
    ( ! [X0] : multiply(sk_c9,multiply(sk_c6,X0)) = X0
    | ~ spl0_5 ),
    inference(forward_demodulation,[],[f333,f1]) ).

fof(f1,axiom,
    ! [X0] : multiply(identity,X0) = X0,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',left_identity) ).

fof(f333,plain,
    ( ! [X0] : multiply(identity,X0) = multiply(sk_c9,multiply(sk_c6,X0))
    | ~ spl0_5 ),
    inference(superposition,[],[f3,f319]) ).

fof(f319,plain,
    ( identity = multiply(sk_c9,sk_c6)
    | ~ spl0_5 ),
    inference(superposition,[],[f2,f69]) ).

fof(f69,plain,
    ( sk_c9 = inverse(sk_c6)
    | ~ spl0_5 ),
    inference(avatar_component_clause,[],[f67]) ).

fof(f67,plain,
    ( spl0_5
  <=> sk_c9 = inverse(sk_c6) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_5])]) ).

fof(f2,axiom,
    ! [X0] : identity = multiply(inverse(X0),X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',left_inverse) ).

fof(f3,axiom,
    ! [X2,X0,X1] : multiply(multiply(X0,X1),X2) = multiply(X0,multiply(X1,X2)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',associativity) ).

fof(f92,plain,
    ( sk_c8 = multiply(sk_c9,sk_c7)
    | ~ spl0_10 ),
    inference(avatar_component_clause,[],[f90]) ).

fof(f90,plain,
    ( spl0_10
  <=> sk_c8 = multiply(sk_c9,sk_c7) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_10])]) ).

fof(f482,plain,
    ( ~ spl0_12
    | ~ spl0_14
    | ~ spl0_20 ),
    inference(avatar_contradiction_clause,[],[f481]) ).

fof(f481,plain,
    ( $false
    | ~ spl0_12
    | ~ spl0_14
    | ~ spl0_20 ),
    inference(subsumption_resolution,[],[f474,f268]) ).

fof(f268,plain,
    ( sk_c9 = inverse(sk_c3)
    | ~ spl0_12
    | ~ spl0_20 ),
    inference(backward_demodulation,[],[f104,f167]) ).

fof(f167,plain,
    ( sk_c9 = sk_c8
    | ~ spl0_20 ),
    inference(avatar_component_clause,[],[f166]) ).

fof(f104,plain,
    ( sk_c8 = inverse(sk_c3)
    | ~ spl0_12 ),
    inference(avatar_component_clause,[],[f102]) ).

fof(f102,plain,
    ( spl0_12
  <=> sk_c8 = inverse(sk_c3) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_12])]) ).

fof(f474,plain,
    ( sk_c9 != inverse(sk_c3)
    | ~ spl0_12
    | ~ spl0_14
    | ~ spl0_20 ),
    inference(trivial_inequality_removal,[],[f471]) ).

fof(f471,plain,
    ( sk_c9 != sk_c9
    | sk_c9 != inverse(sk_c3)
    | ~ spl0_12
    | ~ spl0_14
    | ~ spl0_20 ),
    inference(superposition,[],[f441,f274]) ).

fof(f274,plain,
    ( ! [X11] : multiply(sk_c9,multiply(sk_c3,X11)) = X11
    | ~ spl0_12
    | ~ spl0_20 ),
    inference(backward_demodulation,[],[f206,f167]) ).

fof(f206,plain,
    ( ! [X11] : multiply(sk_c8,multiply(sk_c3,X11)) = X11
    | ~ spl0_12 ),
    inference(forward_demodulation,[],[f201,f1]) ).

fof(f201,plain,
    ( ! [X11] : multiply(sk_c8,multiply(sk_c3,X11)) = multiply(identity,X11)
    | ~ spl0_12 ),
    inference(superposition,[],[f3,f184]) ).

fof(f184,plain,
    ( identity = multiply(sk_c8,sk_c3)
    | ~ spl0_12 ),
    inference(superposition,[],[f2,f104]) ).

fof(f441,plain,
    ( ! [X9] :
        ( sk_c9 != multiply(sk_c9,multiply(X9,sk_c9))
        | sk_c9 != inverse(X9) )
    | ~ spl0_14
    | ~ spl0_20 ),
    inference(forward_demodulation,[],[f138,f167]) ).

fof(f138,plain,
    ( ! [X9] :
        ( sk_c8 != multiply(sk_c9,multiply(X9,sk_c9))
        | sk_c9 != inverse(X9) )
    | ~ spl0_14 ),
    inference(avatar_component_clause,[],[f137]) ).

fof(f137,plain,
    ( spl0_14
  <=> ! [X9] :
        ( sk_c8 != multiply(sk_c9,multiply(X9,sk_c9))
        | sk_c9 != inverse(X9) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_14])]) ).

fof(f478,plain,
    ( ~ spl0_5
    | ~ spl0_14
    | ~ spl0_20 ),
    inference(avatar_contradiction_clause,[],[f477]) ).

fof(f477,plain,
    ( $false
    | ~ spl0_5
    | ~ spl0_14
    | ~ spl0_20 ),
    inference(subsumption_resolution,[],[f476,f69]) ).

fof(f476,plain,
    ( sk_c9 != inverse(sk_c6)
    | ~ spl0_5
    | ~ spl0_14
    | ~ spl0_20 ),
    inference(trivial_inequality_removal,[],[f472]) ).

fof(f472,plain,
    ( sk_c9 != sk_c9
    | sk_c9 != inverse(sk_c6)
    | ~ spl0_5
    | ~ spl0_14
    | ~ spl0_20 ),
    inference(superposition,[],[f441,f334]) ).

fof(f439,plain,
    ( ~ spl0_1
    | ~ spl0_7
    | ~ spl0_15 ),
    inference(avatar_contradiction_clause,[],[f438]) ).

fof(f438,plain,
    ( $false
    | ~ spl0_1
    | ~ spl0_7
    | ~ spl0_15 ),
    inference(subsumption_resolution,[],[f422,f51]) ).

fof(f51,plain,
    ( sk_c10 = inverse(sk_c4)
    | ~ spl0_1 ),
    inference(avatar_component_clause,[],[f49]) ).

fof(f49,plain,
    ( spl0_1
  <=> sk_c10 = inverse(sk_c4) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_1])]) ).

fof(f422,plain,
    ( sk_c10 != inverse(sk_c4)
    | ~ spl0_7
    | ~ spl0_15 ),
    inference(trivial_inequality_removal,[],[f421]) ).

fof(f421,plain,
    ( sk_c9 != sk_c9
    | sk_c10 != inverse(sk_c4)
    | ~ spl0_7
    | ~ spl0_15 ),
    inference(superposition,[],[f141,f78]) ).

fof(f78,plain,
    ( sk_c9 = multiply(sk_c4,sk_c10)
    | ~ spl0_7 ),
    inference(avatar_component_clause,[],[f76]) ).

fof(f76,plain,
    ( spl0_7
  <=> sk_c9 = multiply(sk_c4,sk_c10) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_7])]) ).

fof(f416,plain,
    ( ~ spl0_9
    | ~ spl0_12
    | ~ spl0_18
    | ~ spl0_20 ),
    inference(avatar_contradiction_clause,[],[f415]) ).

fof(f415,plain,
    ( $false
    | ~ spl0_9
    | ~ spl0_12
    | ~ spl0_18
    | ~ spl0_20 ),
    inference(subsumption_resolution,[],[f409,f268]) ).

fof(f409,plain,
    ( sk_c9 != inverse(sk_c3)
    | ~ spl0_9
    | ~ spl0_18
    | ~ spl0_20 ),
    inference(trivial_inequality_removal,[],[f405]) ).

fof(f405,plain,
    ( sk_c9 != sk_c9
    | sk_c9 != inverse(sk_c3)
    | ~ spl0_9
    | ~ spl0_18
    | ~ spl0_20 ),
    inference(superposition,[],[f396,f267]) ).

fof(f267,plain,
    ( sk_c9 = multiply(sk_c3,sk_c9)
    | ~ spl0_9
    | ~ spl0_20 ),
    inference(backward_demodulation,[],[f88,f167]) ).

fof(f88,plain,
    ( sk_c8 = multiply(sk_c3,sk_c9)
    | ~ spl0_9 ),
    inference(avatar_component_clause,[],[f86]) ).

fof(f86,plain,
    ( spl0_9
  <=> sk_c8 = multiply(sk_c3,sk_c9) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_9])]) ).

fof(f396,plain,
    ( ! [X4] :
        ( sk_c9 != multiply(X4,sk_c9)
        | sk_c9 != inverse(X4) )
    | ~ spl0_18
    | ~ spl0_20 ),
    inference(forward_demodulation,[],[f150,f167]) ).

fof(f150,plain,
    ( ! [X4] :
        ( sk_c8 != multiply(X4,sk_c9)
        | sk_c9 != inverse(X4) )
    | ~ spl0_18 ),
    inference(avatar_component_clause,[],[f149]) ).

fof(f149,plain,
    ( spl0_18
  <=> ! [X4] :
        ( sk_c8 != multiply(X4,sk_c9)
        | sk_c9 != inverse(X4) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_18])]) ).

fof(f412,plain,
    ( ~ spl0_3
    | ~ spl0_11
    | ~ spl0_18
    | ~ spl0_20 ),
    inference(avatar_contradiction_clause,[],[f411]) ).

fof(f411,plain,
    ( $false
    | ~ spl0_3
    | ~ spl0_11
    | ~ spl0_18
    | ~ spl0_20 ),
    inference(subsumption_resolution,[],[f410,f300]) ).

fof(f300,plain,
    ( sk_c9 = inverse(sk_c5)
    | ~ spl0_3
    | ~ spl0_20 ),
    inference(forward_demodulation,[],[f60,f167]) ).

fof(f60,plain,
    ( sk_c8 = inverse(sk_c5)
    | ~ spl0_3 ),
    inference(avatar_component_clause,[],[f58]) ).

fof(f58,plain,
    ( spl0_3
  <=> sk_c8 = inverse(sk_c5) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_3])]) ).

fof(f410,plain,
    ( sk_c9 != inverse(sk_c5)
    | ~ spl0_11
    | ~ spl0_18
    | ~ spl0_20 ),
    inference(trivial_inequality_removal,[],[f402]) ).

fof(f402,plain,
    ( sk_c9 != sk_c9
    | sk_c9 != inverse(sk_c5)
    | ~ spl0_11
    | ~ spl0_18
    | ~ spl0_20 ),
    inference(superposition,[],[f396,f304]) ).

fof(f304,plain,
    ( sk_c9 = multiply(sk_c5,sk_c9)
    | ~ spl0_11
    | ~ spl0_20 ),
    inference(forward_demodulation,[],[f99,f167]) ).

fof(f99,plain,
    ( sk_c9 = multiply(sk_c5,sk_c8)
    | ~ spl0_11 ),
    inference(avatar_component_clause,[],[f97]) ).

fof(f97,plain,
    ( spl0_11
  <=> sk_c9 = multiply(sk_c5,sk_c8) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_11])]) ).

fof(f394,plain,
    ( ~ spl0_3
    | ~ spl0_11
    | ~ spl0_17
    | ~ spl0_20 ),
    inference(avatar_contradiction_clause,[],[f393]) ).

fof(f393,plain,
    ( $false
    | ~ spl0_3
    | ~ spl0_11
    | ~ spl0_17
    | ~ spl0_20 ),
    inference(subsumption_resolution,[],[f387,f300]) ).

fof(f387,plain,
    ( sk_c9 != inverse(sk_c5)
    | ~ spl0_11
    | ~ spl0_17
    | ~ spl0_20 ),
    inference(trivial_inequality_removal,[],[f381]) ).

fof(f381,plain,
    ( sk_c9 != sk_c9
    | sk_c9 != inverse(sk_c5)
    | ~ spl0_11
    | ~ spl0_17
    | ~ spl0_20 ),
    inference(superposition,[],[f375,f304]) ).

fof(f375,plain,
    ( ! [X7] :
        ( sk_c9 != multiply(X7,sk_c9)
        | sk_c9 != inverse(X7) )
    | ~ spl0_17
    | ~ spl0_20 ),
    inference(forward_demodulation,[],[f374,f167]) ).

fof(f374,plain,
    ( ! [X7] :
        ( sk_c9 != multiply(X7,sk_c9)
        | sk_c8 != inverse(X7) )
    | ~ spl0_17
    | ~ spl0_20 ),
    inference(forward_demodulation,[],[f147,f167]) ).

fof(f147,plain,
    ( ! [X7] :
        ( sk_c9 != multiply(X7,sk_c8)
        | sk_c8 != inverse(X7) )
    | ~ spl0_17 ),
    inference(avatar_component_clause,[],[f146]) ).

fof(f146,plain,
    ( spl0_17
  <=> ! [X7] :
        ( sk_c8 != inverse(X7)
        | sk_c9 != multiply(X7,sk_c8) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_17])]) ).

fof(f392,plain,
    ( ~ spl0_9
    | ~ spl0_12
    | ~ spl0_17
    | ~ spl0_20 ),
    inference(avatar_contradiction_clause,[],[f391]) ).

fof(f391,plain,
    ( $false
    | ~ spl0_9
    | ~ spl0_12
    | ~ spl0_17
    | ~ spl0_20 ),
    inference(subsumption_resolution,[],[f388,f268]) ).

fof(f388,plain,
    ( sk_c9 != inverse(sk_c3)
    | ~ spl0_9
    | ~ spl0_17
    | ~ spl0_20 ),
    inference(trivial_inequality_removal,[],[f384]) ).

fof(f384,plain,
    ( sk_c9 != inverse(sk_c3)
    | sk_c9 != sk_c9
    | ~ spl0_9
    | ~ spl0_17
    | ~ spl0_20 ),
    inference(superposition,[],[f375,f267]) ).

fof(f367,plain,
    ( ~ spl0_3
    | ~ spl0_11
    | ~ spl0_16
    | ~ spl0_20 ),
    inference(avatar_contradiction_clause,[],[f366]) ).

fof(f366,plain,
    ( $false
    | ~ spl0_3
    | ~ spl0_11
    | ~ spl0_16
    | ~ spl0_20 ),
    inference(subsumption_resolution,[],[f359,f300]) ).

fof(f359,plain,
    ( sk_c9 != inverse(sk_c5)
    | ~ spl0_11
    | ~ spl0_16
    | ~ spl0_20 ),
    inference(trivial_inequality_removal,[],[f355]) ).

fof(f355,plain,
    ( sk_c9 != inverse(sk_c5)
    | sk_c9 != sk_c9
    | ~ spl0_11
    | ~ spl0_16
    | ~ spl0_20 ),
    inference(superposition,[],[f317,f304]) ).

fof(f317,plain,
    ( ! [X5] :
        ( sk_c9 != multiply(X5,sk_c9)
        | sk_c9 != inverse(X5) )
    | ~ spl0_16
    | ~ spl0_20 ),
    inference(forward_demodulation,[],[f316,f167]) ).

fof(f316,plain,
    ( ! [X5] :
        ( sk_c9 != multiply(X5,sk_c9)
        | sk_c8 != inverse(X5) )
    | ~ spl0_16
    | ~ spl0_20 ),
    inference(forward_demodulation,[],[f144,f167]) ).

fof(f144,plain,
    ( ! [X5] :
        ( sk_c8 != multiply(X5,sk_c9)
        | sk_c8 != inverse(X5) )
    | ~ spl0_16 ),
    inference(avatar_component_clause,[],[f143]) ).

fof(f143,plain,
    ( spl0_16
  <=> ! [X5] :
        ( sk_c8 != inverse(X5)
        | sk_c8 != multiply(X5,sk_c9) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_16])]) ).

fof(f365,plain,
    ( ~ spl0_9
    | ~ spl0_12
    | ~ spl0_16
    | ~ spl0_20 ),
    inference(avatar_contradiction_clause,[],[f364]) ).

fof(f364,plain,
    ( $false
    | ~ spl0_9
    | ~ spl0_12
    | ~ spl0_16
    | ~ spl0_20 ),
    inference(subsumption_resolution,[],[f362,f268]) ).

fof(f362,plain,
    ( sk_c9 != inverse(sk_c3)
    | ~ spl0_9
    | ~ spl0_16
    | ~ spl0_20 ),
    inference(trivial_inequality_removal,[],[f358]) ).

fof(f358,plain,
    ( sk_c9 != sk_c9
    | sk_c9 != inverse(sk_c3)
    | ~ spl0_9
    | ~ spl0_16
    | ~ spl0_20 ),
    inference(superposition,[],[f317,f267]) ).

fof(f265,plain,
    ( ~ spl0_4
    | ~ spl0_6
    | ~ spl0_9
    | ~ spl0_12
    | spl0_20 ),
    inference(avatar_contradiction_clause,[],[f264]) ).

fof(f264,plain,
    ( $false
    | ~ spl0_4
    | ~ spl0_6
    | ~ spl0_9
    | ~ spl0_12
    | spl0_20 ),
    inference(subsumption_resolution,[],[f263,f168]) ).

fof(f263,plain,
    ( sk_c9 = sk_c8
    | ~ spl0_4
    | ~ spl0_6
    | ~ spl0_9
    | ~ spl0_12 ),
    inference(backward_demodulation,[],[f74,f262]) ).

fof(f262,plain,
    ( sk_c9 = multiply(sk_c2,sk_c9)
    | ~ spl0_4
    | ~ spl0_6
    | ~ spl0_9
    | ~ spl0_12 ),
    inference(forward_demodulation,[],[f256,f241]) ).

fof(f241,plain,
    ( sk_c9 = multiply(sk_c8,sk_c8)
    | ~ spl0_9
    | ~ spl0_12 ),
    inference(superposition,[],[f206,f88]) ).

fof(f256,plain,
    ( multiply(sk_c2,sk_c9) = multiply(sk_c8,sk_c8)
    | ~ spl0_4
    | ~ spl0_6 ),
    inference(superposition,[],[f202,f245]) ).

fof(f245,plain,
    ( sk_c9 = multiply(sk_c9,sk_c8)
    | ~ spl0_4
    | ~ spl0_6 ),
    inference(superposition,[],[f210,f74]) ).

fof(f210,plain,
    ( ! [X10] : multiply(sk_c9,multiply(sk_c2,X10)) = X10
    | ~ spl0_4 ),
    inference(forward_demodulation,[],[f200,f1]) ).

fof(f200,plain,
    ( ! [X10] : multiply(sk_c9,multiply(sk_c2,X10)) = multiply(identity,X10)
    | ~ spl0_4 ),
    inference(superposition,[],[f3,f182]) ).

fof(f182,plain,
    ( identity = multiply(sk_c9,sk_c2)
    | ~ spl0_4 ),
    inference(superposition,[],[f2,f64]) ).

fof(f64,plain,
    ( sk_c9 = inverse(sk_c2)
    | ~ spl0_4 ),
    inference(avatar_component_clause,[],[f62]) ).

fof(f62,plain,
    ( spl0_4
  <=> sk_c9 = inverse(sk_c2) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_4])]) ).

fof(f202,plain,
    ( ! [X12] : multiply(sk_c2,multiply(sk_c9,X12)) = multiply(sk_c8,X12)
    | ~ spl0_6 ),
    inference(superposition,[],[f3,f74]) ).

fof(f74,plain,
    ( sk_c8 = multiply(sk_c2,sk_c9)
    | ~ spl0_6 ),
    inference(avatar_component_clause,[],[f72]) ).

fof(f72,plain,
    ( spl0_6
  <=> sk_c8 = multiply(sk_c2,sk_c9) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_6])]) ).

fof(f157,plain,
    ( spl0_9
    | spl0_3 ),
    inference(avatar_split_clause,[],[f42,f58,f86]) ).

fof(f42,axiom,
    ( sk_c8 = inverse(sk_c5)
    | sk_c8 = multiply(sk_c3,sk_c9) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_39) ).

fof(f155,plain,
    ( spl0_11
    | spl0_9 ),
    inference(avatar_split_clause,[],[f41,f86,f97]) ).

fof(f41,axiom,
    ( sk_c8 = multiply(sk_c3,sk_c9)
    | sk_c9 = multiply(sk_c5,sk_c8) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_38) ).

fof(f154,plain,
    ( spl0_12
    | spl0_13 ),
    inference(avatar_split_clause,[],[f37,f117,f102]) ).

fof(f37,axiom,
    ( sk_c7 = multiply(sk_c6,sk_c9)
    | sk_c8 = inverse(sk_c3) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_34) ).

fof(f152,plain,
    ( spl0_5
    | spl0_6 ),
    inference(avatar_split_clause,[],[f24,f72,f67]) ).

fof(f24,axiom,
    ( sk_c8 = multiply(sk_c2,sk_c9)
    | sk_c9 = inverse(sk_c6) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_21) ).

fof(f151,plain,
    ( spl0_14
    | spl0_15
    | spl0_15
    | spl0_16
    | spl0_17
    | spl0_18 ),
    inference(avatar_split_clause,[],[f47,f149,f146,f143,f140,f140,f137]) ).

fof(f47,plain,
    ! [X3,X6,X9,X7,X4,X5] :
      ( sk_c8 != multiply(X4,sk_c9)
      | sk_c8 != inverse(X7)
      | sk_c8 != inverse(X5)
      | sk_c9 != multiply(X3,sk_c10)
      | sk_c9 != multiply(X6,sk_c10)
      | sk_c8 != multiply(sk_c9,multiply(X9,sk_c9))
      | sk_c9 != inverse(X9)
      | sk_c9 != multiply(X7,sk_c8)
      | sk_c10 != inverse(X6)
      | sk_c9 != inverse(X4)
      | sk_c10 != inverse(X3)
      | sk_c8 != multiply(X5,sk_c9) ),
    inference(equality_resolution,[],[f46]) ).

fof(f46,axiom,
    ! [X3,X8,X6,X9,X7,X4,X5] :
      ( sk_c8 != multiply(sk_c9,X8)
      | sk_c9 != multiply(X6,sk_c10)
      | sk_c10 != inverse(X3)
      | sk_c8 != multiply(X4,sk_c9)
      | sk_c9 != multiply(X7,sk_c8)
      | sk_c9 != multiply(X3,sk_c10)
      | sk_c8 != inverse(X7)
      | multiply(X9,sk_c9) != X8
      | sk_c9 != inverse(X4)
      | sk_c9 != inverse(X9)
      | sk_c8 != inverse(X5)
      | sk_c10 != inverse(X6)
      | sk_c8 != multiply(X5,sk_c9) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_43) ).

fof(f134,plain,
    ( spl0_8
    | spl0_7 ),
    inference(avatar_split_clause,[],[f11,f76,f81]) ).

fof(f11,axiom,
    ( sk_c9 = multiply(sk_c4,sk_c10)
    | sk_c10 = inverse(sk_c1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_8) ).

fof(f133,plain,
    ( spl0_9
    | spl0_13 ),
    inference(avatar_split_clause,[],[f44,f117,f86]) ).

fof(f44,axiom,
    ( sk_c7 = multiply(sk_c6,sk_c9)
    | sk_c8 = multiply(sk_c3,sk_c9) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_41) ).

fof(f132,plain,
    ( spl0_4
    | spl0_13 ),
    inference(avatar_split_clause,[],[f30,f117,f62]) ).

fof(f30,axiom,
    ( sk_c7 = multiply(sk_c6,sk_c9)
    | sk_c9 = inverse(sk_c2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_27) ).

fof(f131,plain,
    ( spl0_13
    | spl0_6 ),
    inference(avatar_split_clause,[],[f23,f72,f117]) ).

fof(f23,axiom,
    ( sk_c8 = multiply(sk_c2,sk_c9)
    | sk_c7 = multiply(sk_c6,sk_c9) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_20) ).

fof(f122,plain,
    ( spl0_2
    | spl0_7 ),
    inference(avatar_split_clause,[],[f4,f76,f53]) ).

fof(f4,axiom,
    ( sk_c9 = multiply(sk_c4,sk_c10)
    | multiply(sk_c1,sk_c10) = sk_c9 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_1) ).

fof(f121,plain,
    ( spl0_12
    | spl0_5 ),
    inference(avatar_split_clause,[],[f38,f67,f102]) ).

fof(f38,axiom,
    ( sk_c9 = inverse(sk_c6)
    | sk_c8 = inverse(sk_c3) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_35) ).

fof(f113,plain,
    ( spl0_12
    | spl0_10 ),
    inference(avatar_split_clause,[],[f36,f90,f102]) ).

fof(f36,axiom,
    ( sk_c8 = multiply(sk_c9,sk_c7)
    | sk_c8 = inverse(sk_c3) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_33) ).

fof(f109,plain,
    ( spl0_6
    | spl0_10 ),
    inference(avatar_split_clause,[],[f22,f90,f72]) ).

fof(f22,axiom,
    ( sk_c8 = multiply(sk_c9,sk_c7)
    | sk_c8 = multiply(sk_c2,sk_c9) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_19) ).

fof(f108,plain,
    ( spl0_5
    | spl0_9 ),
    inference(avatar_split_clause,[],[f45,f86,f67]) ).

fof(f45,axiom,
    ( sk_c8 = multiply(sk_c3,sk_c9)
    | sk_c9 = inverse(sk_c6) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_42) ).

fof(f106,plain,
    ( spl0_11
    | spl0_12 ),
    inference(avatar_split_clause,[],[f34,f102,f97]) ).

fof(f34,axiom,
    ( sk_c8 = inverse(sk_c3)
    | sk_c9 = multiply(sk_c5,sk_c8) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_31) ).

fof(f105,plain,
    ( spl0_12
    | spl0_3 ),
    inference(avatar_split_clause,[],[f35,f58,f102]) ).

fof(f35,axiom,
    ( sk_c8 = inverse(sk_c5)
    | sk_c8 = inverse(sk_c3) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_32) ).

fof(f95,plain,
    ( spl0_10
    | spl0_4 ),
    inference(avatar_split_clause,[],[f29,f62,f90]) ).

fof(f29,axiom,
    ( sk_c9 = inverse(sk_c2)
    | sk_c8 = multiply(sk_c9,sk_c7) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_26) ).

fof(f93,plain,
    ( spl0_9
    | spl0_10 ),
    inference(avatar_split_clause,[],[f43,f90,f86]) ).

fof(f43,axiom,
    ( sk_c8 = multiply(sk_c9,sk_c7)
    | sk_c8 = multiply(sk_c3,sk_c9) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_40) ).

fof(f84,plain,
    ( spl0_1
    | spl0_8 ),
    inference(avatar_split_clause,[],[f12,f81,f49]) ).

fof(f12,axiom,
    ( sk_c10 = inverse(sk_c1)
    | sk_c10 = inverse(sk_c4) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_9) ).

fof(f70,plain,
    ( spl0_4
    | spl0_5 ),
    inference(avatar_split_clause,[],[f31,f67,f62]) ).

fof(f31,axiom,
    ( sk_c9 = inverse(sk_c6)
    | sk_c9 = inverse(sk_c2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_28) ).

fof(f56,plain,
    ( spl0_1
    | spl0_2 ),
    inference(avatar_split_clause,[],[f5,f53,f49]) ).

fof(f5,axiom,
    ( multiply(sk_c1,sk_c10) = sk_c9
    | sk_c10 = inverse(sk_c4) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_2) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem    : GRP256-1 : TPTP v8.1.0. Released v2.5.0.
% 0.06/0.12  % 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 : n016.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 22:45:45 EDT 2022
% 0.12/0.33  % CPUTime    : 
% 0.18/0.49  % (23658)ott+33_1:4_s2a=on:tgt=ground:i=439:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/439Mi)
% 0.18/0.49  % (23643)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.18/0.49  % (23650)ott+10_1:8_bsd=on:fsd=on:lcm=predicate:nwc=5.0:s2a=on:s2at=1.5:spb=goal_then_units:i=176:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/176Mi)
% 0.18/0.50  % (23642)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 0.18/0.50  % (23651)ott+3_1:1_gsp=on:lcm=predicate:i=138:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/138Mi)
% 0.18/0.50  % (23630)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)
% 0.18/0.50  % (23634)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)
% 0.18/0.51  % (23644)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)
% 1.29/0.51  % (23635)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)
% 1.29/0.51  % (23659)ott+10_7:2_awrs=decay:awrsf=8:bd=preordered:drc=off:fd=preordered:fde=unused:fsr=off:slsq=on:slsqc=2:slsqr=5,8:sp=const_min:spb=units:to=lpo:i=355:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/355Mi)
% 1.29/0.51  % (23650)First to succeed.
% 1.29/0.52  % (23637)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 1.29/0.52  % (23631)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)
% 1.29/0.52  % (23637)Instruction limit reached!
% 1.29/0.52  % (23637)------------------------------
% 1.29/0.52  % (23637)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.29/0.52  % (23637)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.29/0.52  % (23637)Termination reason: Unknown
% 1.29/0.52  % (23637)Termination phase: Saturation
% 1.29/0.52  
% 1.29/0.52  % (23637)Memory used [KB]: 5500
% 1.29/0.52  % (23637)Time elapsed: 0.134 s
% 1.29/0.52  % (23637)Instructions burned: 3 (million)
% 1.29/0.52  % (23637)------------------------------
% 1.29/0.52  % (23637)------------------------------
% 1.29/0.52  % (23632)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)
% 1.29/0.52  % (23657)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=177:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/177Mi)
% 1.29/0.52  % (23645)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)
% 1.29/0.52  % (23653)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)
% 1.29/0.52  % (23646)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)
% 1.29/0.52  % (23654)ott+10_1:1_kws=precedence:tgt=ground:i=482:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/482Mi)
% 1.29/0.52  % (23629)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)
% 1.40/0.52  % (23652)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)
% 1.40/0.52  % (23647)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/59Mi)
% 1.40/0.53  % (23650)Refutation found. Thanks to Tanya!
% 1.40/0.53  % SZS status Unsatisfiable for theBenchmark
% 1.40/0.53  % SZS output start Proof for theBenchmark
% See solution above
% 1.40/0.53  % (23650)------------------------------
% 1.40/0.53  % (23650)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.40/0.53  % (23650)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.40/0.53  % (23650)Termination reason: Refutation
% 1.40/0.53  
% 1.40/0.53  % (23650)Memory used [KB]: 5756
% 1.40/0.53  % (23650)Time elapsed: 0.131 s
% 1.40/0.53  % (23650)Instructions burned: 17 (million)
% 1.40/0.53  % (23650)------------------------------
% 1.40/0.53  % (23650)------------------------------
% 1.40/0.53  % (23624)Success in time 0.186 s
%------------------------------------------------------------------------------