TSTP Solution File: GRP222-1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : GRP222-1 : 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 : n028.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 11:53:14 EDT 2024

% Result   : Unsatisfiable 0.15s 0.41s
% Output   : Refutation 0.15s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   46
%            Number of leaves      :   17
% Syntax   : Number of formulae    :  126 (  23 unt;   0 def)
%            Number of atoms       :  307 ( 261 equ)
%            Maximal formula atoms :    9 (   2 avg)
%            Number of connectives :  301 ( 120   ~; 178   |;   0   &)
%                                         (   3 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   15 (   3 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   4 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   8 con; 0-2 aty)
%            Number of variables   :   60 (  60   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1689,plain,
    $false,
    inference(trivial_inequality_removal,[],[f1687]) ).

fof(f1687,plain,
    identity != identity,
    inference(superposition,[],[f1645,f165]) ).

fof(f165,plain,
    ! [X0] : identity = multiply(inverse(inverse(inverse(X0))),X0),
    inference(superposition,[],[f117,f129]) ).

fof(f129,plain,
    ! [X0] : multiply(inverse(inverse(X0)),identity) = X0,
    inference(superposition,[],[f117,f2]) ).

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

fof(f117,plain,
    ! [X0,X1] : multiply(inverse(X0),multiply(X0,X1)) = X1,
    inference(forward_demodulation,[],[f92,f1]) ).

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

fof(f92,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(f1645,plain,
    ! [X0] : identity != multiply(inverse(X0),sk_c1),
    inference(forward_demodulation,[],[f1644,f727]) ).

fof(f727,plain,
    identity = sk_c6,
    inference(duplicate_literal_removal,[],[f716]) ).

fof(f716,plain,
    ( identity = sk_c6
    | identity = sk_c6
    | identity = sk_c6 ),
    inference(superposition,[],[f703,f574]) ).

fof(f574,plain,
    ( identity = multiply(sk_c4,sk_c7)
    | identity = sk_c6 ),
    inference(superposition,[],[f218,f567]) ).

fof(f567,plain,
    ( sk_c7 = inverse(sk_c4)
    | identity = sk_c6 ),
    inference(duplicate_literal_removal,[],[f559]) ).

fof(f559,plain,
    ( identity = sk_c6
    | sk_c7 = inverse(sk_c4)
    | sk_c7 = inverse(sk_c4) ),
    inference(superposition,[],[f305,f13]) ).

fof(f13,axiom,
    ( sk_c6 = multiply(sk_c2,sk_c3)
    | sk_c7 = inverse(sk_c4) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_10) ).

fof(f305,plain,
    ( identity = multiply(sk_c2,sk_c3)
    | sk_c7 = inverse(sk_c4) ),
    inference(superposition,[],[f218,f17]) ).

fof(f17,axiom,
    ( sk_c3 = inverse(sk_c2)
    | sk_c7 = inverse(sk_c4) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_14) ).

fof(f218,plain,
    ! [X0] : identity = multiply(X0,inverse(X0)),
    inference(superposition,[],[f131,f2]) ).

fof(f131,plain,
    ! [X0,X1] : multiply(X0,X1) = multiply(inverse(inverse(X0)),X1),
    inference(superposition,[],[f117,f117]) ).

fof(f703,plain,
    ( multiply(sk_c4,sk_c7) = sk_c6
    | identity = sk_c6 ),
    inference(duplicate_literal_removal,[],[f686]) ).

fof(f686,plain,
    ( identity = sk_c6
    | identity = sk_c6
    | multiply(sk_c4,sk_c7) = sk_c6 ),
    inference(superposition,[],[f664,f12]) ).

fof(f12,axiom,
    ( sk_c6 = multiply(sk_c2,sk_c3)
    | multiply(sk_c4,sk_c7) = sk_c6 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_9) ).

fof(f664,plain,
    ( identity = multiply(sk_c2,sk_c3)
    | identity = sk_c6 ),
    inference(superposition,[],[f218,f656]) ).

fof(f656,plain,
    ( sk_c3 = inverse(sk_c2)
    | identity = sk_c6 ),
    inference(duplicate_literal_removal,[],[f644]) ).

fof(f644,plain,
    ( identity = sk_c6
    | identity = sk_c6
    | sk_c3 = inverse(sk_c2) ),
    inference(superposition,[],[f574,f16]) ).

fof(f16,axiom,
    ( multiply(sk_c4,sk_c7) = sk_c6
    | sk_c3 = inverse(sk_c2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_13) ).

fof(f1644,plain,
    ! [X0] : sk_c6 != multiply(inverse(X0),sk_c1),
    inference(forward_demodulation,[],[f1643,f1149]) ).

fof(f1149,plain,
    sk_c1 = sk_c7,
    inference(subsumption_resolution,[],[f1146,f1095]) ).

fof(f1095,plain,
    ! [X0] :
      ( identity != multiply(inverse(X0),sk_c7)
      | sk_c1 = sk_c7 ),
    inference(forward_demodulation,[],[f1094,f727]) ).

fof(f1094,plain,
    ! [X0] :
      ( sk_c1 = sk_c7
      | sk_c6 != multiply(inverse(X0),sk_c7) ),
    inference(subsumption_resolution,[],[f1093,f727]) ).

fof(f1093,plain,
    ! [X0] :
      ( identity != sk_c6
      | sk_c1 = sk_c7
      | sk_c6 != multiply(inverse(X0),sk_c7) ),
    inference(forward_demodulation,[],[f1092,f218]) ).

fof(f1092,plain,
    ! [X0] :
      ( sk_c1 = sk_c7
      | sk_c6 != multiply(X0,inverse(X0))
      | sk_c6 != multiply(inverse(X0),sk_c7) ),
    inference(subsumption_resolution,[],[f1091,f979]) ).

fof(f979,plain,
    ( sP0
    | sk_c1 = sk_c7 ),
    inference(subsumption_resolution,[],[f968,f877]) ).

fof(f877,plain,
    ( sk_c7 = sk_c4
    | sk_c1 = sk_c7 ),
    inference(duplicate_literal_removal,[],[f854]) ).

fof(f854,plain,
    ( sk_c7 = sk_c4
    | sk_c1 = sk_c7
    | sk_c1 = sk_c7 ),
    inference(superposition,[],[f848,f815]) ).

fof(f815,plain,
    ( sk_c4 = sk_c5
    | sk_c1 = sk_c7 ),
    inference(duplicate_literal_removal,[],[f799]) ).

fof(f799,plain,
    ( sk_c4 = sk_c5
    | sk_c1 = sk_c7
    | sk_c1 = sk_c7 ),
    inference(superposition,[],[f775,f764]) ).

fof(f764,plain,
    ( sk_c4 = inverse(sk_c7)
    | sk_c1 = sk_c7 ),
    inference(superposition,[],[f257,f749]) ).

fof(f749,plain,
    ( sk_c7 = inverse(sk_c4)
    | sk_c1 = sk_c7 ),
    inference(forward_demodulation,[],[f731,f219]) ).

fof(f219,plain,
    ! [X0] : multiply(X0,identity) = X0,
    inference(superposition,[],[f131,f129]) ).

fof(f731,plain,
    ( sk_c7 = multiply(sk_c1,identity)
    | sk_c7 = inverse(sk_c4) ),
    inference(superposition,[],[f9,f727]) ).

fof(f9,axiom,
    ( sk_c7 = multiply(sk_c1,sk_c6)
    | sk_c7 = inverse(sk_c4) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_6) ).

fof(f257,plain,
    ! [X0] : inverse(inverse(X0)) = X0,
    inference(superposition,[],[f219,f129]) ).

fof(f775,plain,
    ( sk_c5 = inverse(sk_c7)
    | sk_c1 = sk_c7 ),
    inference(superposition,[],[f257,f750]) ).

fof(f750,plain,
    ( sk_c7 = inverse(sk_c5)
    | sk_c1 = sk_c7 ),
    inference(forward_demodulation,[],[f732,f219]) ).

fof(f732,plain,
    ( sk_c7 = multiply(sk_c1,identity)
    | sk_c7 = inverse(sk_c5) ),
    inference(superposition,[],[f10,f727]) ).

fof(f10,axiom,
    ( sk_c7 = multiply(sk_c1,sk_c6)
    | sk_c7 = inverse(sk_c5) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_7) ).

fof(f848,plain,
    ( sk_c7 = sk_c5
    | sk_c1 = sk_c7 ),
    inference(superposition,[],[f752,f219]) ).

fof(f752,plain,
    ( sk_c7 = multiply(sk_c5,identity)
    | sk_c1 = sk_c7 ),
    inference(forward_demodulation,[],[f751,f219]) ).

fof(f751,plain,
    ( sk_c7 = multiply(sk_c1,identity)
    | sk_c7 = multiply(sk_c5,identity) ),
    inference(forward_demodulation,[],[f733,f727]) ).

fof(f733,plain,
    ( sk_c7 = multiply(sk_c5,identity)
    | sk_c7 = multiply(sk_c1,sk_c6) ),
    inference(superposition,[],[f11,f727]) ).

fof(f11,axiom,
    ( sk_c7 = multiply(sk_c5,sk_c6)
    | sk_c7 = multiply(sk_c1,sk_c6) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_8) ).

fof(f968,plain,
    ( sk_c7 != sk_c4
    | sP0
    | sk_c1 = sk_c7 ),
    inference(trivial_inequality_removal,[],[f944]) ).

fof(f944,plain,
    ( sk_c7 != sk_c4
    | sk_c7 != sk_c7
    | sP0
    | sk_c1 = sk_c7 ),
    inference(superposition,[],[f753,f764]) ).

fof(f753,plain,
    ! [X0] :
      ( inverse(X0) != sk_c7
      | sk_c7 != X0
      | sP0 ),
    inference(forward_demodulation,[],[f735,f219]) ).

fof(f735,plain,
    ! [X0] :
      ( sk_c7 != multiply(X0,identity)
      | inverse(X0) != sk_c7
      | sP0 ),
    inference(superposition,[],[f26,f727]) ).

fof(f26,plain,
    ! [X3] :
      ( sk_c7 != multiply(X3,sk_c6)
      | sk_c7 != inverse(X3)
      | sP0 ),
    inference(cnf_transformation,[],[f26_D]) ).

fof(f26_D,plain,
    ( ! [X3] :
        ( sk_c7 != multiply(X3,sk_c6)
        | sk_c7 != inverse(X3) )
  <=> ~ sP0 ),
    introduced(general_splitting_component_introduction,[new_symbols(naming,[sP0])]) ).

fof(f1091,plain,
    ! [X0] :
      ( sk_c1 = sk_c7
      | sk_c6 != multiply(X0,inverse(X0))
      | ~ sP0
      | sk_c6 != multiply(inverse(X0),sk_c7) ),
    inference(subsumption_resolution,[],[f1090,f729]) ).

fof(f729,plain,
    sP1,
    inference(unit_resulting_resolution,[],[f257,f727,f62]) ).

fof(f62,plain,
    ( sk_c7 != inverse(inverse(sk_c7))
    | identity != sk_c6
    | sP1 ),
    inference(superposition,[],[f28,f2]) ).

fof(f28,plain,
    ! [X6] :
      ( sk_c6 != multiply(X6,sk_c7)
      | sk_c7 != inverse(X6)
      | sP1 ),
    inference(cnf_transformation,[],[f28_D]) ).

fof(f28_D,plain,
    ( ! [X6] :
        ( sk_c6 != multiply(X6,sk_c7)
        | sk_c7 != inverse(X6) )
  <=> ~ sP1 ),
    introduced(general_splitting_component_introduction,[new_symbols(naming,[sP1])]) ).

fof(f1090,plain,
    ! [X0] :
      ( sk_c1 = sk_c7
      | sk_c6 != multiply(X0,inverse(X0))
      | ~ sP0
      | ~ sP1
      | sk_c6 != multiply(inverse(X0),sk_c7) ),
    inference(resolution,[],[f1083,f31]) ).

fof(f31,plain,
    ! [X4] :
      ( ~ sP2
      | sk_c6 != multiply(X4,inverse(X4))
      | ~ sP0
      | ~ sP1
      | sk_c6 != multiply(inverse(X4),sk_c7) ),
    inference(general_splitting,[],[f29,f30_D]) ).

fof(f30,plain,
    ! [X7] :
      ( sk_c7 != multiply(X7,sk_c6)
      | sk_c7 != inverse(X7)
      | sP2 ),
    inference(cnf_transformation,[],[f30_D]) ).

fof(f30_D,plain,
    ( ! [X7] :
        ( sk_c7 != multiply(X7,sk_c6)
        | sk_c7 != inverse(X7) )
  <=> ~ sP2 ),
    introduced(general_splitting_component_introduction,[new_symbols(naming,[sP2])]) ).

fof(f29,plain,
    ! [X7,X4] :
      ( sk_c7 != inverse(X7)
      | sk_c6 != multiply(inverse(X4),sk_c7)
      | sk_c6 != multiply(X4,inverse(X4))
      | sk_c7 != multiply(X7,sk_c6)
      | ~ sP0
      | ~ sP1 ),
    inference(general_splitting,[],[f27,f28_D]) ).

fof(f27,plain,
    ! [X6,X7,X4] :
      ( sk_c7 != inverse(X7)
      | sk_c7 != inverse(X6)
      | sk_c6 != multiply(X6,sk_c7)
      | sk_c6 != multiply(inverse(X4),sk_c7)
      | sk_c6 != multiply(X4,inverse(X4))
      | sk_c7 != multiply(X7,sk_c6)
      | ~ sP0 ),
    inference(general_splitting,[],[f25,f26_D]) ).

fof(f25,plain,
    ! [X3,X6,X7,X4] :
      ( sk_c7 != inverse(X3)
      | sk_c7 != inverse(X7)
      | sk_c7 != inverse(X6)
      | sk_c6 != multiply(X6,sk_c7)
      | sk_c6 != multiply(inverse(X4),sk_c7)
      | sk_c6 != multiply(X4,inverse(X4))
      | sk_c7 != multiply(X3,sk_c6)
      | sk_c7 != multiply(X7,sk_c6) ),
    inference(equality_resolution,[],[f24]) ).

fof(f24,axiom,
    ! [X3,X6,X7,X4,X5] :
      ( sk_c7 != inverse(X3)
      | sk_c7 != inverse(X7)
      | sk_c7 != inverse(X6)
      | inverse(X4) != X5
      | sk_c6 != multiply(X6,sk_c7)
      | sk_c6 != multiply(X5,sk_c7)
      | sk_c6 != multiply(X4,X5)
      | sk_c7 != multiply(X3,sk_c6)
      | sk_c7 != multiply(X7,sk_c6) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_21) ).

fof(f1083,plain,
    ( sP2
    | sk_c1 = sk_c7 ),
    inference(subsumption_resolution,[],[f1072,f877]) ).

fof(f1072,plain,
    ( sk_c7 != sk_c4
    | sP2
    | sk_c1 = sk_c7 ),
    inference(trivial_inequality_removal,[],[f1046]) ).

fof(f1046,plain,
    ( sk_c7 != sk_c4
    | sk_c7 != sk_c7
    | sP2
    | sk_c1 = sk_c7 ),
    inference(superposition,[],[f754,f764]) ).

fof(f754,plain,
    ! [X0] :
      ( inverse(X0) != sk_c7
      | sk_c7 != X0
      | sP2 ),
    inference(forward_demodulation,[],[f736,f219]) ).

fof(f736,plain,
    ! [X0] :
      ( sk_c7 != multiply(X0,identity)
      | inverse(X0) != sk_c7
      | sP2 ),
    inference(superposition,[],[f30,f727]) ).

fof(f1146,plain,
    ( identity = multiply(inverse(sk_c4),sk_c7)
    | sk_c1 = sk_c7 ),
    inference(superposition,[],[f117,f835]) ).

fof(f835,plain,
    ( sk_c7 = multiply(sk_c4,identity)
    | sk_c1 = sk_c7 ),
    inference(duplicate_literal_removal,[],[f834]) ).

fof(f834,plain,
    ( sk_c1 = sk_c7
    | sk_c7 = multiply(sk_c4,identity)
    | sk_c1 = sk_c7 ),
    inference(forward_demodulation,[],[f833,f219]) ).

fof(f833,plain,
    ( sk_c7 = multiply(sk_c1,identity)
    | sk_c7 = multiply(sk_c4,identity)
    | sk_c1 = sk_c7 ),
    inference(forward_demodulation,[],[f832,f727]) ).

fof(f832,plain,
    ( sk_c7 = multiply(sk_c4,identity)
    | sk_c7 = multiply(sk_c1,sk_c6)
    | sk_c1 = sk_c7 ),
    inference(forward_demodulation,[],[f820,f727]) ).

fof(f820,plain,
    ( sk_c7 = multiply(sk_c4,sk_c6)
    | sk_c7 = multiply(sk_c1,sk_c6)
    | sk_c1 = sk_c7 ),
    inference(superposition,[],[f11,f815]) ).

fof(f1643,plain,
    ! [X0] : sk_c6 != multiply(inverse(X0),sk_c7),
    inference(subsumption_resolution,[],[f1642,f727]) ).

fof(f1642,plain,
    ! [X0] :
      ( identity != sk_c6
      | sk_c6 != multiply(inverse(X0),sk_c7) ),
    inference(forward_demodulation,[],[f1641,f218]) ).

fof(f1641,plain,
    ! [X0] :
      ( sk_c6 != multiply(X0,inverse(X0))
      | sk_c6 != multiply(inverse(X0),sk_c7) ),
    inference(subsumption_resolution,[],[f1640,f729]) ).

fof(f1640,plain,
    ! [X0] :
      ( sk_c6 != multiply(X0,inverse(X0))
      | ~ sP1
      | sk_c6 != multiply(inverse(X0),sk_c7) ),
    inference(subsumption_resolution,[],[f1639,f1637]) ).

fof(f1637,plain,
    sP0,
    inference(subsumption_resolution,[],[f1634,f1149]) ).

fof(f1634,plain,
    ( sk_c1 != sk_c7
    | sP0 ),
    inference(duplicate_literal_removal,[],[f1631]) ).

fof(f1631,plain,
    ( sk_c1 != sk_c7
    | sk_c1 != sk_c7
    | sP0 ),
    inference(superposition,[],[f753,f1611]) ).

fof(f1611,plain,
    sk_c1 = inverse(sk_c1),
    inference(subsumption_resolution,[],[f1604,f1264]) ).

fof(f1264,plain,
    ( sk_c1 != sk_c4
    | sk_c1 = inverse(sk_c1) ),
    inference(equality_factoring,[],[f1212]) ).

fof(f1212,plain,
    ( inverse(sk_c1) = sk_c4
    | sk_c1 = inverse(sk_c1) ),
    inference(forward_demodulation,[],[f1162,f1149]) ).

fof(f1162,plain,
    ( inverse(sk_c1) = sk_c4
    | inverse(sk_c1) = sk_c7 ),
    inference(superposition,[],[f278,f1149]) ).

fof(f278,plain,
    ( sk_c4 = inverse(sk_c7)
    | inverse(sk_c1) = sk_c7 ),
    inference(superposition,[],[f257,f5]) ).

fof(f5,axiom,
    ( sk_c7 = inverse(sk_c4)
    | inverse(sk_c1) = sk_c7 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_2) ).

fof(f1604,plain,
    ( sk_c1 = sk_c4
    | sk_c1 = inverse(sk_c1) ),
    inference(superposition,[],[f1545,f219]) ).

fof(f1545,plain,
    ( sk_c1 = multiply(sk_c4,identity)
    | sk_c1 = inverse(sk_c1) ),
    inference(forward_demodulation,[],[f1544,f1149]) ).

fof(f1544,plain,
    ( sk_c1 = multiply(sk_c4,identity)
    | inverse(sk_c1) = sk_c7 ),
    inference(forward_demodulation,[],[f1543,f1149]) ).

fof(f1543,plain,
    ( sk_c7 = multiply(sk_c4,identity)
    | inverse(sk_c1) = sk_c7 ),
    inference(forward_demodulation,[],[f1523,f727]) ).

fof(f1523,plain,
    ( sk_c7 = multiply(sk_c4,sk_c6)
    | inverse(sk_c1) = sk_c7 ),
    inference(superposition,[],[f7,f1519]) ).

fof(f1519,plain,
    sk_c4 = sk_c5,
    inference(subsumption_resolution,[],[f1514,f1089]) ).

fof(f1089,plain,
    ! [X0] :
      ( identity != multiply(inverse(X0),sk_c7)
      | sk_c4 = sk_c5 ),
    inference(forward_demodulation,[],[f1088,f727]) ).

fof(f1088,plain,
    ! [X0] :
      ( sk_c4 = sk_c5
      | sk_c6 != multiply(inverse(X0),sk_c7) ),
    inference(subsumption_resolution,[],[f1087,f727]) ).

fof(f1087,plain,
    ! [X0] :
      ( identity != sk_c6
      | sk_c4 = sk_c5
      | sk_c6 != multiply(inverse(X0),sk_c7) ),
    inference(forward_demodulation,[],[f1086,f218]) ).

fof(f1086,plain,
    ! [X0] :
      ( sk_c4 = sk_c5
      | sk_c6 != multiply(X0,inverse(X0))
      | sk_c6 != multiply(inverse(X0),sk_c7) ),
    inference(subsumption_resolution,[],[f1085,f978]) ).

fof(f978,plain,
    ( sP0
    | sk_c4 = sk_c5 ),
    inference(subsumption_resolution,[],[f975,f815]) ).

fof(f975,plain,
    ( sk_c1 != sk_c7
    | sP0
    | sk_c4 = sk_c5 ),
    inference(trivial_inequality_removal,[],[f937]) ).

fof(f937,plain,
    ( sk_c7 != sk_c7
    | sk_c1 != sk_c7
    | sP0
    | sk_c4 = sk_c5 ),
    inference(superposition,[],[f753,f343]) ).

fof(f343,plain,
    ( inverse(sk_c1) = sk_c7
    | sk_c4 = sk_c5 ),
    inference(duplicate_literal_removal,[],[f332]) ).

fof(f332,plain,
    ( sk_c4 = sk_c5
    | inverse(sk_c1) = sk_c7
    | inverse(sk_c1) = sk_c7 ),
    inference(superposition,[],[f279,f278]) ).

fof(f279,plain,
    ( sk_c5 = inverse(sk_c7)
    | inverse(sk_c1) = sk_c7 ),
    inference(superposition,[],[f257,f6]) ).

fof(f6,axiom,
    ( sk_c7 = inverse(sk_c5)
    | inverse(sk_c1) = sk_c7 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_3) ).

fof(f1085,plain,
    ! [X0] :
      ( sk_c4 = sk_c5
      | sk_c6 != multiply(X0,inverse(X0))
      | ~ sP0
      | sk_c6 != multiply(inverse(X0),sk_c7) ),
    inference(subsumption_resolution,[],[f1084,f729]) ).

fof(f1084,plain,
    ! [X0] :
      ( sk_c4 = sk_c5
      | sk_c6 != multiply(X0,inverse(X0))
      | ~ sP0
      | ~ sP1
      | sk_c6 != multiply(inverse(X0),sk_c7) ),
    inference(resolution,[],[f1082,f31]) ).

fof(f1082,plain,
    ( sP2
    | sk_c4 = sk_c5 ),
    inference(subsumption_resolution,[],[f1079,f815]) ).

fof(f1079,plain,
    ( sk_c1 != sk_c7
    | sP2
    | sk_c4 = sk_c5 ),
    inference(trivial_inequality_removal,[],[f1039]) ).

fof(f1039,plain,
    ( sk_c7 != sk_c7
    | sk_c1 != sk_c7
    | sP2
    | sk_c4 = sk_c5 ),
    inference(superposition,[],[f754,f343]) ).

fof(f1514,plain,
    ( identity = multiply(inverse(inverse(sk_c1)),sk_c7)
    | sk_c4 = sk_c5 ),
    inference(superposition,[],[f117,f360]) ).

fof(f360,plain,
    ( sk_c7 = multiply(inverse(sk_c1),identity)
    | sk_c4 = sk_c5 ),
    inference(superposition,[],[f129,f351]) ).

fof(f351,plain,
    ( sk_c1 = inverse(sk_c7)
    | sk_c4 = sk_c5 ),
    inference(superposition,[],[f257,f343]) ).

fof(f7,axiom,
    ( sk_c7 = multiply(sk_c5,sk_c6)
    | inverse(sk_c1) = sk_c7 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_4) ).

fof(f1639,plain,
    ! [X0] :
      ( sk_c6 != multiply(X0,inverse(X0))
      | ~ sP0
      | ~ sP1
      | sk_c6 != multiply(inverse(X0),sk_c7) ),
    inference(resolution,[],[f1638,f31]) ).

fof(f1638,plain,
    sP2,
    inference(subsumption_resolution,[],[f1633,f1149]) ).

fof(f1633,plain,
    ( sk_c1 != sk_c7
    | sP2 ),
    inference(duplicate_literal_removal,[],[f1632]) ).

fof(f1632,plain,
    ( sk_c1 != sk_c7
    | sk_c1 != sk_c7
    | sP2 ),
    inference(superposition,[],[f754,f1611]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.13  % Problem    : GRP222-1 : TPTP v8.1.2. Released v2.5.0.
% 0.12/0.15  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.15/0.36  % Computer : n028.cluster.edu
% 0.15/0.36  % Model    : x86_64 x86_64
% 0.15/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.36  % Memory   : 8042.1875MB
% 0.15/0.36  % 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 04:42:44 EDT 2024
% 0.15/0.36  % CPUTime    : 
% 0.15/0.36  % (3154)Running in auto input_syntax mode. Trying TPTP
% 0.15/0.38  % (3157)WARNING: value z3 for option sas not known
% 0.15/0.38  % (3158)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.15/0.38  % (3155)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.15/0.38  % (3156)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.15/0.38  % (3157)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)
% 0.15/0.38  % (3160)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)
% 0.15/0.38  % (3159)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)
% 0.15/0.38  % (3161)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)
% 0.15/0.38  TRYING [1]
% 0.15/0.38  TRYING [2]
% 0.15/0.38  TRYING [3]
% 0.15/0.38  TRYING [1]
% 0.15/0.38  TRYING [2]
% 0.15/0.39  TRYING [4]
% 0.15/0.39  TRYING [3]
% 0.15/0.41  TRYING [5]
% 0.15/0.41  % (3161)First to succeed.
% 0.15/0.41  % (3157)Also succeeded, but the first one will report.
% 0.15/0.41  % (3161)Refutation found. Thanks to Tanya!
% 0.15/0.41  % SZS status Unsatisfiable for theBenchmark
% 0.15/0.41  % SZS output start Proof for theBenchmark
% See solution above
% 0.15/0.41  % (3161)------------------------------
% 0.15/0.41  % (3161)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.15/0.41  % (3161)Termination reason: Refutation
% 0.15/0.41  
% 0.15/0.41  % (3161)Memory used [KB]: 1058
% 0.15/0.41  % (3161)Time elapsed: 0.035 s
% 0.15/0.41  % (3161)Instructions burned: 68 (million)
% 0.15/0.41  % (3161)------------------------------
% 0.15/0.41  % (3161)------------------------------
% 0.15/0.41  % (3154)Success in time 0.036 s
%------------------------------------------------------------------------------