TSTP Solution File: GRP336-1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : GRP336-1 : TPTP v8.1.2. Released v2.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n018.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 : Tue Apr 30 12:01:36 EDT 2024

% Result   : Unsatisfiable 0.22s 0.52s
% Output   : Refutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   38
%            Number of leaves      :   19
% Syntax   : Number of formulae    :  113 (  20 unt;   0 def)
%            Number of atoms       :  317 ( 278 equ)
%            Maximal formula atoms :   14 (   2 avg)
%            Number of connectives :  370 ( 166   ~; 200   |;   0   &)
%                                         (   4 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   22 (   4 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   5 prp; 0-2 aty)
%            Number of functors    :   13 (  13 usr;  11 con; 0-2 aty)
%            Number of variables   :   68 (  68   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f9009,plain,
    $false,
    inference(unit_resulting_resolution,[],[f8931,f2,f8884]) ).

fof(f8884,plain,
    ! [X0] :
      ( identity != multiply(inverse(X0),sk_c10)
      | sk_c10 != sk_c8 ),
    inference(subsumption_resolution,[],[f8883,f8836]) ).

fof(f8836,plain,
    identity = multiply(sk_c10,sk_c10),
    inference(superposition,[],[f2,f8774]) ).

fof(f8774,plain,
    sk_c10 = inverse(sk_c10),
    inference(subsumption_resolution,[],[f8761,f2343]) ).

fof(f2343,plain,
    ( sk_c10 = inverse(sk_c10)
    | sk_c10 = sk_c4 ),
    inference(subsumption_resolution,[],[f2342,f1997]) ).

fof(f1997,plain,
    ( sk_c10 = inverse(sk_c10)
    | sk_c10 = sk_c5 ),
    inference(duplicate_literal_removal,[],[f1980]) ).

fof(f1980,plain,
    ( sk_c10 = inverse(sk_c10)
    | sk_c10 = sk_c5
    | sk_c10 = sk_c5 ),
    inference(superposition,[],[f1975,f1298]) ).

fof(f1298,plain,
    ( sk_c10 = sk_c1
    | sk_c10 = sk_c5 ),
    inference(superposition,[],[f1071,f380]) ).

fof(f380,plain,
    ! [X0] : multiply(X0,identity) = X0,
    inference(superposition,[],[f246,f244]) ).

fof(f244,plain,
    ! [X0] : multiply(inverse(inverse(X0)),identity) = X0,
    inference(superposition,[],[f228,f2]) ).

fof(f228,plain,
    ! [X0,X1] : multiply(inverse(X0),multiply(X0,X1)) = X1,
    inference(forward_demodulation,[],[f175,f1]) ).

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

fof(f175,plain,
    ! [X0,X1] : multiply(inverse(X0),multiply(X0,X1)) = multiply(identity,X1),
    inference(superposition,[],[f3,f2]) ).

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(f246,plain,
    ! [X0,X1] : multiply(X0,X1) = multiply(inverse(inverse(X0)),X1),
    inference(superposition,[],[f228,f228]) ).

fof(f1071,plain,
    ( sk_c10 = multiply(sk_c1,identity)
    | sk_c10 = sk_c5 ),
    inference(forward_demodulation,[],[f1070,f380]) ).

fof(f1070,plain,
    ( sk_c10 = multiply(sk_c5,identity)
    | sk_c10 = multiply(sk_c1,identity) ),
    inference(forward_demodulation,[],[f1045,f1032]) ).

fof(f1032,plain,
    identity = sk_c9,
    inference(duplicate_literal_removal,[],[f1027]) ).

fof(f1027,plain,
    ( identity = sk_c9
    | identity = sk_c9
    | identity = sk_c9 ),
    inference(superposition,[],[f877,f737]) ).

fof(f737,plain,
    ( identity = multiply(sk_c6,sk_c7)
    | identity = sk_c9 ),
    inference(superposition,[],[f379,f729]) ).

fof(f729,plain,
    ( sk_c7 = inverse(sk_c6)
    | identity = sk_c9 ),
    inference(duplicate_literal_removal,[],[f716]) ).

fof(f716,plain,
    ( identity = sk_c9
    | sk_c7 = inverse(sk_c6)
    | sk_c7 = inverse(sk_c6) ),
    inference(superposition,[],[f444,f34]) ).

fof(f34,axiom,
    ( sk_c9 = multiply(sk_c2,sk_c3)
    | sk_c7 = inverse(sk_c6) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_31) ).

fof(f444,plain,
    ( identity = multiply(sk_c2,sk_c3)
    | sk_c7 = inverse(sk_c6) ),
    inference(superposition,[],[f379,f42]) ).

fof(f42,axiom,
    ( sk_c3 = inverse(sk_c2)
    | sk_c7 = inverse(sk_c6) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_39) ).

fof(f379,plain,
    ! [X0] : identity = multiply(X0,inverse(X0)),
    inference(superposition,[],[f246,f2]) ).

fof(f877,plain,
    ( sk_c9 = multiply(sk_c6,sk_c7)
    | identity = sk_c9 ),
    inference(duplicate_literal_removal,[],[f854]) ).

fof(f854,plain,
    ( identity = sk_c9
    | identity = sk_c9
    | sk_c9 = multiply(sk_c6,sk_c7) ),
    inference(superposition,[],[f791,f33]) ).

fof(f33,axiom,
    ( sk_c9 = multiply(sk_c2,sk_c3)
    | sk_c9 = multiply(sk_c6,sk_c7) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_30) ).

fof(f791,plain,
    ( identity = multiply(sk_c2,sk_c3)
    | identity = sk_c9 ),
    inference(superposition,[],[f379,f770]) ).

fof(f770,plain,
    ( sk_c3 = inverse(sk_c2)
    | identity = sk_c9 ),
    inference(duplicate_literal_removal,[],[f759]) ).

fof(f759,plain,
    ( identity = sk_c9
    | identity = sk_c9
    | sk_c3 = inverse(sk_c2) ),
    inference(superposition,[],[f737,f41]) ).

fof(f41,axiom,
    ( sk_c9 = multiply(sk_c6,sk_c7)
    | sk_c3 = inverse(sk_c2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_38) ).

fof(f1045,plain,
    ( sk_c10 = multiply(sk_c1,identity)
    | sk_c10 = multiply(sk_c5,sk_c9) ),
    inference(superposition,[],[f24,f1032]) ).

fof(f24,axiom,
    ( sk_c10 = multiply(sk_c1,sk_c9)
    | sk_c10 = multiply(sk_c5,sk_c9) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_21) ).

fof(f1975,plain,
    ( sk_c10 = inverse(sk_c1)
    | sk_c10 = sk_c5 ),
    inference(superposition,[],[f1040,f380]) ).

fof(f1040,plain,
    ( sk_c10 = multiply(sk_c5,identity)
    | sk_c10 = inverse(sk_c1) ),
    inference(superposition,[],[f16,f1032]) ).

fof(f16,axiom,
    ( sk_c10 = multiply(sk_c5,sk_c9)
    | sk_c10 = inverse(sk_c1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_13) ).

fof(f2342,plain,
    ( sk_c10 != sk_c5
    | sk_c10 = inverse(sk_c10)
    | sk_c10 = sk_c4 ),
    inference(inner_rewriting,[],[f2309]) ).

fof(f2309,plain,
    ( sk_c10 != sk_c5
    | sk_c5 = inverse(sk_c10)
    | sk_c4 = sk_c5 ),
    inference(superposition,[],[f555,f2284]) ).

fof(f2284,plain,
    ( sk_c10 = sk_c1
    | sk_c4 = sk_c5 ),
    inference(duplicate_literal_removal,[],[f2255]) ).

fof(f2255,plain,
    ( sk_c4 = sk_c5
    | sk_c10 = sk_c1
    | sk_c10 = sk_c1 ),
    inference(superposition,[],[f2228,f2119]) ).

fof(f2119,plain,
    ( sk_c4 = inverse(sk_c10)
    | sk_c10 = sk_c1 ),
    inference(superposition,[],[f394,f2104]) ).

fof(f2104,plain,
    ( sk_c10 = inverse(sk_c4)
    | sk_c10 = sk_c1 ),
    inference(superposition,[],[f1042,f380]) ).

fof(f1042,plain,
    ( sk_c10 = multiply(sk_c1,identity)
    | sk_c10 = inverse(sk_c4) ),
    inference(superposition,[],[f21,f1032]) ).

fof(f21,axiom,
    ( sk_c10 = multiply(sk_c1,sk_c9)
    | sk_c10 = inverse(sk_c4) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_18) ).

fof(f394,plain,
    ! [X0] : inverse(inverse(X0)) = X0,
    inference(superposition,[],[f380,f244]) ).

fof(f2228,plain,
    ( sk_c5 = inverse(sk_c10)
    | sk_c10 = sk_c1 ),
    inference(superposition,[],[f394,f2211]) ).

fof(f2211,plain,
    ( sk_c10 = inverse(sk_c5)
    | sk_c10 = sk_c1 ),
    inference(superposition,[],[f1044,f380]) ).

fof(f1044,plain,
    ( sk_c10 = multiply(sk_c1,identity)
    | sk_c10 = inverse(sk_c5) ),
    inference(superposition,[],[f23,f1032]) ).

fof(f23,axiom,
    ( sk_c10 = multiply(sk_c1,sk_c9)
    | sk_c10 = inverse(sk_c5) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_20) ).

fof(f555,plain,
    ( sk_c5 != sk_c1
    | sk_c5 = inverse(sk_c10) ),
    inference(equality_factoring,[],[f478]) ).

fof(f478,plain,
    ( sk_c1 = inverse(sk_c10)
    | sk_c5 = inverse(sk_c10) ),
    inference(superposition,[],[f394,f416]) ).

fof(f416,plain,
    ( sk_c10 = inverse(sk_c5)
    | sk_c1 = inverse(sk_c10) ),
    inference(superposition,[],[f394,f15]) ).

fof(f15,axiom,
    ( sk_c10 = inverse(sk_c1)
    | sk_c10 = inverse(sk_c5) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_12) ).

fof(f8761,plain,
    ( sk_c10 != sk_c4
    | sk_c10 = inverse(sk_c10) ),
    inference(equality_factoring,[],[f8671]) ).

fof(f8671,plain,
    ( sk_c4 = inverse(sk_c10)
    | sk_c10 = inverse(sk_c10) ),
    inference(superposition,[],[f394,f8619]) ).

fof(f8619,plain,
    ( sk_c10 = inverse(sk_c4)
    | sk_c10 = inverse(sk_c10) ),
    inference(superposition,[],[f3637,f380]) ).

fof(f3637,plain,
    ( sk_c10 = multiply(inverse(sk_c10),identity)
    | sk_c10 = inverse(sk_c4) ),
    inference(superposition,[],[f228,f3626]) ).

fof(f3626,plain,
    ( identity = multiply(sk_c10,sk_c10)
    | sk_c10 = inverse(sk_c4) ),
    inference(forward_demodulation,[],[f3622,f1032]) ).

fof(f3622,plain,
    ( sk_c9 = multiply(sk_c10,sk_c10)
    | sk_c10 = inverse(sk_c4) ),
    inference(duplicate_literal_removal,[],[f3608]) ).

fof(f3608,plain,
    ( sk_c9 = multiply(sk_c10,sk_c10)
    | sk_c10 = inverse(sk_c4)
    | sk_c10 = inverse(sk_c4) ),
    inference(superposition,[],[f251,f13]) ).

fof(f13,axiom,
    ( sk_c10 = inverse(sk_c1)
    | sk_c10 = inverse(sk_c4) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_10) ).

fof(f251,plain,
    ( sk_c9 = multiply(inverse(sk_c1),sk_c10)
    | sk_c10 = inverse(sk_c4) ),
    inference(superposition,[],[f228,f21]) ).

fof(f8883,plain,
    ! [X0] :
      ( identity != multiply(sk_c10,sk_c10)
      | sk_c10 != sk_c8
      | identity != multiply(inverse(X0),sk_c10) ),
    inference(inner_rewriting,[],[f8882]) ).

fof(f8882,plain,
    ! [X0] :
      ( identity != multiply(sk_c10,sk_c8)
      | sk_c10 != sk_c8
      | identity != multiply(inverse(X0),sk_c10) ),
    inference(forward_demodulation,[],[f8881,f1032]) ).

fof(f8881,plain,
    ! [X0] :
      ( sk_c10 != sk_c8
      | identity != multiply(inverse(X0),sk_c10)
      | sk_c9 != multiply(sk_c10,sk_c8) ),
    inference(forward_demodulation,[],[f8880,f1]) ).

fof(f8880,plain,
    ! [X0] :
      ( sk_c8 != multiply(identity,sk_c10)
      | identity != multiply(inverse(X0),sk_c10)
      | sk_c9 != multiply(sk_c10,sk_c8) ),
    inference(forward_demodulation,[],[f8879,f1032]) ).

fof(f8879,plain,
    ! [X0] :
      ( identity != multiply(inverse(X0),sk_c10)
      | multiply(sk_c9,sk_c10) != sk_c8
      | sk_c9 != multiply(sk_c10,sk_c8) ),
    inference(subsumption_resolution,[],[f8878,f1032]) ).

fof(f8878,plain,
    ! [X0] :
      ( identity != sk_c9
      | identity != multiply(inverse(X0),sk_c10)
      | multiply(sk_c9,sk_c10) != sk_c8
      | sk_c9 != multiply(sk_c10,sk_c8) ),
    inference(forward_demodulation,[],[f8877,f379]) ).

fof(f8877,plain,
    ! [X0] :
      ( identity != multiply(inverse(X0),sk_c10)
      | sk_c9 != multiply(X0,inverse(X0))
      | multiply(sk_c9,sk_c10) != sk_c8
      | sk_c9 != multiply(sk_c10,sk_c8) ),
    inference(forward_demodulation,[],[f8876,f1032]) ).

fof(f8876,plain,
    ! [X0] :
      ( sk_c9 != multiply(inverse(X0),sk_c10)
      | sk_c9 != multiply(X0,inverse(X0))
      | multiply(sk_c9,sk_c10) != sk_c8
      | sk_c9 != multiply(sk_c10,sk_c8) ),
    inference(subsumption_resolution,[],[f8875,f1034]) ).

fof(f1034,plain,
    sP2,
    inference(unit_resulting_resolution,[],[f1032,f435]) ).

fof(f435,plain,
    ( identity != sk_c9
    | sP2 ),
    inference(trivial_inequality_removal,[],[f430]) ).

fof(f430,plain,
    ( sk_c10 != sk_c10
    | identity != sk_c9
    | sP2 ),
    inference(superposition,[],[f121,f394]) ).

fof(f121,plain,
    ( sk_c10 != inverse(inverse(sk_c10))
    | identity != sk_c9
    | sP2 ),
    inference(superposition,[],[f59,f2]) ).

fof(f59,plain,
    ! [X6] :
      ( sk_c9 != multiply(X6,sk_c10)
      | sk_c10 != inverse(X6)
      | sP2 ),
    inference(cnf_transformation,[],[f59_D]) ).

fof(f59_D,plain,
    ( ! [X6] :
        ( sk_c9 != multiply(X6,sk_c10)
        | sk_c10 != inverse(X6) )
  <=> ~ sP2 ),
    introduced(general_splitting_component_introduction,[new_symbols(naming,[sP2])]) ).

fof(f8875,plain,
    ! [X0] :
      ( sk_c9 != multiply(inverse(X0),sk_c10)
      | sk_c9 != multiply(X0,inverse(X0))
      | multiply(sk_c9,sk_c10) != sk_c8
      | ~ sP2
      | sk_c9 != multiply(sk_c10,sk_c8) ),
    inference(subsumption_resolution,[],[f8874,f1035]) ).

fof(f1035,plain,
    sP1,
    inference(unit_resulting_resolution,[],[f1032,f626]) ).

fof(f626,plain,
    ( identity != sk_c9
    | sP1 ),
    inference(duplicate_literal_removal,[],[f625]) ).

fof(f625,plain,
    ( identity != sk_c9
    | identity != sk_c9
    | sP1 ),
    inference(forward_demodulation,[],[f584,f379]) ).

fof(f584,plain,
    ( identity != sk_c9
    | sk_c9 != multiply(sk_c8,inverse(sk_c8))
    | sP1 ),
    inference(superposition,[],[f57,f2]) ).

fof(f57,plain,
    ! [X8] :
      ( sk_c9 != multiply(inverse(X8),sk_c8)
      | sk_c9 != multiply(X8,inverse(X8))
      | sP1 ),
    inference(cnf_transformation,[],[f57_D]) ).

fof(f57_D,plain,
    ( ! [X8] :
        ( sk_c9 != multiply(inverse(X8),sk_c8)
        | sk_c9 != multiply(X8,inverse(X8)) )
  <=> ~ sP1 ),
    introduced(general_splitting_component_introduction,[new_symbols(naming,[sP1])]) ).

fof(f8874,plain,
    ! [X0] :
      ( sk_c9 != multiply(inverse(X0),sk_c10)
      | sk_c9 != multiply(X0,inverse(X0))
      | multiply(sk_c9,sk_c10) != sk_c8
      | ~ sP1
      | ~ sP2
      | sk_c9 != multiply(sk_c10,sk_c8) ),
    inference(subsumption_resolution,[],[f8873,f8776]) ).

fof(f8776,plain,
    sP0,
    inference(unit_resulting_resolution,[],[f394,f8774,f1074]) ).

fof(f1074,plain,
    ! [X0] :
      ( inverse(X0) != sk_c10
      | sk_c10 != X0
      | sP0 ),
    inference(forward_demodulation,[],[f1050,f380]) ).

fof(f1050,plain,
    ! [X0] :
      ( sk_c10 != multiply(X0,identity)
      | inverse(X0) != sk_c10
      | sP0 ),
    inference(superposition,[],[f55,f1032]) ).

fof(f55,plain,
    ! [X3] :
      ( sk_c10 != multiply(X3,sk_c9)
      | sk_c10 != inverse(X3)
      | sP0 ),
    inference(cnf_transformation,[],[f55_D]) ).

fof(f55_D,plain,
    ( ! [X3] :
        ( sk_c10 != multiply(X3,sk_c9)
        | sk_c10 != inverse(X3) )
  <=> ~ sP0 ),
    introduced(general_splitting_component_introduction,[new_symbols(naming,[sP0])]) ).

fof(f8873,plain,
    ! [X0] :
      ( sk_c9 != multiply(inverse(X0),sk_c10)
      | sk_c9 != multiply(X0,inverse(X0))
      | multiply(sk_c9,sk_c10) != sk_c8
      | ~ sP0
      | ~ sP1
      | ~ sP2
      | sk_c9 != multiply(sk_c10,sk_c8) ),
    inference(resolution,[],[f8775,f62]) ).

fof(f62,plain,
    ! [X4] :
      ( ~ sP3
      | sk_c9 != multiply(inverse(X4),sk_c10)
      | sk_c9 != multiply(X4,inverse(X4))
      | multiply(sk_c9,sk_c10) != sk_c8
      | ~ sP0
      | ~ sP1
      | ~ sP2
      | sk_c9 != multiply(sk_c10,sk_c8) ),
    inference(general_splitting,[],[f60,f61_D]) ).

fof(f61,plain,
    ! [X7] :
      ( sk_c10 != multiply(X7,sk_c9)
      | sk_c10 != inverse(X7)
      | sP3 ),
    inference(cnf_transformation,[],[f61_D]) ).

fof(f61_D,plain,
    ( ! [X7] :
        ( sk_c10 != multiply(X7,sk_c9)
        | sk_c10 != inverse(X7) )
  <=> ~ sP3 ),
    introduced(general_splitting_component_introduction,[new_symbols(naming,[sP3])]) ).

fof(f60,plain,
    ! [X7,X4] :
      ( sk_c10 != inverse(X7)
      | sk_c9 != multiply(sk_c10,sk_c8)
      | sk_c9 != multiply(inverse(X4),sk_c10)
      | sk_c10 != multiply(X7,sk_c9)
      | sk_c9 != multiply(X4,inverse(X4))
      | multiply(sk_c9,sk_c10) != sk_c8
      | ~ sP0
      | ~ sP1
      | ~ sP2 ),
    inference(general_splitting,[],[f58,f59_D]) ).

fof(f58,plain,
    ! [X6,X7,X4] :
      ( sk_c10 != inverse(X7)
      | sk_c10 != inverse(X6)
      | sk_c9 != multiply(sk_c10,sk_c8)
      | sk_c9 != multiply(X6,sk_c10)
      | sk_c9 != multiply(inverse(X4),sk_c10)
      | sk_c10 != multiply(X7,sk_c9)
      | sk_c9 != multiply(X4,inverse(X4))
      | multiply(sk_c9,sk_c10) != sk_c8
      | ~ sP0
      | ~ sP1 ),
    inference(general_splitting,[],[f56,f57_D]) ).

fof(f56,plain,
    ! [X8,X6,X7,X4] :
      ( sk_c10 != inverse(X7)
      | sk_c10 != inverse(X6)
      | sk_c9 != multiply(sk_c10,sk_c8)
      | sk_c9 != multiply(inverse(X8),sk_c8)
      | sk_c9 != multiply(X6,sk_c10)
      | sk_c9 != multiply(inverse(X4),sk_c10)
      | sk_c10 != multiply(X7,sk_c9)
      | sk_c9 != multiply(X4,inverse(X4))
      | sk_c9 != multiply(X8,inverse(X8))
      | multiply(sk_c9,sk_c10) != sk_c8
      | ~ sP0 ),
    inference(general_splitting,[],[f54,f55_D]) ).

fof(f54,plain,
    ! [X3,X8,X6,X7,X4] :
      ( sk_c10 != inverse(X3)
      | sk_c10 != inverse(X7)
      | sk_c10 != inverse(X6)
      | sk_c9 != multiply(sk_c10,sk_c8)
      | sk_c9 != multiply(inverse(X8),sk_c8)
      | sk_c9 != multiply(X6,sk_c10)
      | sk_c9 != multiply(inverse(X4),sk_c10)
      | sk_c10 != multiply(X7,sk_c9)
      | sk_c10 != multiply(X3,sk_c9)
      | sk_c9 != multiply(X4,inverse(X4))
      | sk_c9 != multiply(X8,inverse(X8))
      | multiply(sk_c9,sk_c10) != sk_c8 ),
    inference(equality_resolution,[],[f53]) ).

fof(f53,plain,
    ! [X3,X8,X6,X7,X4,X5] :
      ( sk_c10 != inverse(X3)
      | sk_c10 != inverse(X7)
      | sk_c10 != inverse(X6)
      | inverse(X4) != X5
      | sk_c9 != multiply(sk_c10,sk_c8)
      | sk_c9 != multiply(inverse(X8),sk_c8)
      | sk_c9 != multiply(X6,sk_c10)
      | sk_c9 != multiply(X5,sk_c10)
      | sk_c10 != multiply(X7,sk_c9)
      | sk_c10 != multiply(X3,sk_c9)
      | sk_c9 != multiply(X4,X5)
      | sk_c9 != multiply(X8,inverse(X8))
      | multiply(sk_c9,sk_c10) != sk_c8 ),
    inference(equality_resolution,[],[f52]) ).

fof(f52,axiom,
    ! [X3,X8,X6,X9,X7,X4,X5] :
      ( sk_c10 != inverse(X3)
      | sk_c10 != inverse(X7)
      | sk_c10 != inverse(X6)
      | inverse(X8) != X9
      | inverse(X4) != X5
      | sk_c9 != multiply(sk_c10,sk_c8)
      | sk_c9 != multiply(X9,sk_c8)
      | sk_c9 != multiply(X6,sk_c10)
      | sk_c9 != multiply(X5,sk_c10)
      | sk_c10 != multiply(X7,sk_c9)
      | sk_c10 != multiply(X3,sk_c9)
      | sk_c9 != multiply(X4,X5)
      | sk_c9 != multiply(X8,X9)
      | multiply(sk_c9,sk_c10) != sk_c8 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_49) ).

fof(f8775,plain,
    sP3,
    inference(unit_resulting_resolution,[],[f394,f8774,f1075]) ).

fof(f1075,plain,
    ! [X0] :
      ( inverse(X0) != sk_c10
      | sk_c10 != X0
      | sP3 ),
    inference(forward_demodulation,[],[f1051,f380]) ).

fof(f1051,plain,
    ! [X0] :
      ( sk_c10 != multiply(X0,identity)
      | inverse(X0) != sk_c10
      | sP3 ),
    inference(superposition,[],[f61,f1032]) ).

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

fof(f8931,plain,
    sk_c10 = sk_c8,
    inference(duplicate_literal_removal,[],[f8930]) ).

fof(f8930,plain,
    ( sk_c10 = sk_c8
    | sk_c10 = sk_c8 ),
    inference(forward_demodulation,[],[f8929,f1]) ).

fof(f8929,plain,
    ( sk_c8 = multiply(identity,sk_c10)
    | sk_c10 = sk_c8 ),
    inference(forward_demodulation,[],[f8928,f1032]) ).

fof(f8928,plain,
    ( sk_c10 = sk_c8
    | multiply(sk_c9,sk_c10) = sk_c8 ),
    inference(forward_demodulation,[],[f8927,f380]) ).

fof(f8927,plain,
    ( sk_c8 = multiply(sk_c10,identity)
    | multiply(sk_c9,sk_c10) = sk_c8 ),
    inference(forward_demodulation,[],[f8901,f1032]) ).

fof(f8901,plain,
    ( sk_c8 = multiply(sk_c10,sk_c9)
    | multiply(sk_c9,sk_c10) = sk_c8 ),
    inference(superposition,[],[f8838,f6]) ).

fof(f6,axiom,
    ( sk_c9 = multiply(sk_c10,sk_c8)
    | multiply(sk_c9,sk_c10) = sk_c8 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_3) ).

fof(f8838,plain,
    ! [X0] : multiply(sk_c10,multiply(sk_c10,X0)) = X0,
    inference(superposition,[],[f228,f8774]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem    : GRP336-1 : TPTP v8.1.2. Released v2.5.0.
% 0.03/0.14  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.15/0.35  % Computer : n018.cluster.edu
% 0.15/0.35  % Model    : x86_64 x86_64
% 0.15/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.35  % Memory   : 8042.1875MB
% 0.15/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.36  % CPULimit   : 300
% 0.15/0.36  % WCLimit    : 300
% 0.15/0.36  % DateTime   : Tue Apr 30 04:35:58 EDT 2024
% 0.15/0.36  % CPUTime    : 
% 0.15/0.36  % (23529)Running in auto input_syntax mode. Trying TPTP
% 0.22/0.38  % (23532)WARNING: value z3 for option sas not known
% 0.22/0.38  % (23531)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.22/0.38  % (23530)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.22/0.38  % (23533)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.22/0.38  % (23534)ott+10_10:1_add=off:afr=on:amm=off:anc=all:bd=off:bs=on:fsr=off:irw=on:lma=on:msp=off:nm=4:nwc=4.0:sac=on:sp=reverse_frequency_531 on theBenchmark for (531ds/0Mi)
% 0.22/0.38  % (23532)dis+2_11_add=large:afr=on:amm=off:bd=off:bce=on:fsd=off:fde=none:gs=on:gsaa=full_model:gsem=off:irw=on:msp=off:nm=4:nwc=1.3:sas=z3:sims=off:sac=on:sp=reverse_arity_569 on theBenchmark for (569ds/0Mi)
% 0.22/0.38  % (23535)ott-10_8_av=off:bd=preordered:bs=on:fsd=off:fsr=off:fde=unused:irw=on:lcm=predicate:lma=on:nm=4:nwc=1.7:sp=frequency_522 on theBenchmark for (522ds/0Mi)
% 0.22/0.38  % (23536)ott+1_64_av=off:bd=off:bce=on:fsd=off:fde=unused:gsp=on:irw=on:lcm=predicate:lma=on:nm=2:nwc=1.1:sims=off:urr=on_497 on theBenchmark for (497ds/0Mi)
% 0.22/0.38  TRYING [1]
% 0.22/0.38  TRYING [2]
% 0.22/0.39  TRYING [1]
% 0.22/0.39  TRYING [3]
% 0.22/0.39  TRYING [2]
% 0.22/0.40  TRYING [4]
% 0.22/0.40  TRYING [3]
% 0.22/0.42  TRYING [5]
% 0.22/0.43  TRYING [4]
% 0.22/0.46  TRYING [6]
% 0.22/0.52  % (23536)First to succeed.
% 0.22/0.52  % (23536)Refutation found. Thanks to Tanya!
% 0.22/0.52  % SZS status Unsatisfiable for theBenchmark
% 0.22/0.52  % SZS output start Proof for theBenchmark
% See solution above
% 0.22/0.52  % (23536)------------------------------
% 0.22/0.52  % (23536)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.22/0.52  % (23536)Termination reason: Refutation
% 0.22/0.52  
% 0.22/0.52  % (23536)Memory used [KB]: 1435
% 0.22/0.52  % (23536)Time elapsed: 0.145 s
% 0.22/0.52  % (23536)Instructions burned: 347 (million)
% 0.22/0.52  % (23536)------------------------------
% 0.22/0.52  % (23536)------------------------------
% 0.22/0.52  % (23529)Success in time 0.151 s
%------------------------------------------------------------------------------