TSTP Solution File: KLE010+1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : KLE010+1 : TPTP v8.1.2. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n011.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 13:11:27 EDT 2024

% Result   : Theorem 2.21s 0.69s
% Output   : Refutation 2.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   21
%            Number of leaves      :   13
% Syntax   : Number of formulae    :   88 (  48 unt;   0 def)
%            Number of atoms       :  175 ( 100 equ)
%            Maximal formula atoms :    8 (   1 avg)
%            Number of connectives :  151 (  64   ~;  46   |;  27   &)
%                                         (   7 <=>;   7  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   3 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   4 con; 0-2 aty)
%            Number of variables   :   96 (  85   !;  11   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f13059,plain,
    $false,
    inference(subsumption_resolution,[],[f13058,f972]) ).

fof(f972,plain,
    one = addition(sK0,c(sK0)),
    inference(superposition,[],[f100,f941]) ).

fof(f941,plain,
    c(sK0) = sK2(sK0),
    inference(subsumption_resolution,[],[f936,f39]) ).

fof(f39,plain,
    test(sK0),
    inference(cnf_transformation,[],[f30]) ).

fof(f30,plain,
    ( one != addition(addition(addition(addition(multiplication(sK1,sK0),multiplication(c(sK1),sK0)),multiplication(sK0,sK1)),multiplication(c(sK0),sK1)),multiplication(c(sK0),c(sK1)))
    & test(sK0)
    & test(sK1) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f26,f29]) ).

fof(f29,plain,
    ( ? [X0,X1] :
        ( one != addition(addition(addition(addition(multiplication(X1,X0),multiplication(c(X1),X0)),multiplication(X0,X1)),multiplication(c(X0),X1)),multiplication(c(X0),c(X1)))
        & test(X0)
        & test(X1) )
   => ( one != addition(addition(addition(addition(multiplication(sK1,sK0),multiplication(c(sK1),sK0)),multiplication(sK0,sK1)),multiplication(c(sK0),sK1)),multiplication(c(sK0),c(sK1)))
      & test(sK0)
      & test(sK1) ) ),
    introduced(choice_axiom,[]) ).

fof(f26,plain,
    ? [X0,X1] :
      ( one != addition(addition(addition(addition(multiplication(X1,X0),multiplication(c(X1),X0)),multiplication(X0,X1)),multiplication(c(X0),X1)),multiplication(c(X0),c(X1)))
      & test(X0)
      & test(X1) ),
    inference(flattening,[],[f25]) ).

fof(f25,plain,
    ? [X0,X1] :
      ( one != addition(addition(addition(addition(multiplication(X1,X0),multiplication(c(X1),X0)),multiplication(X0,X1)),multiplication(c(X0),X1)),multiplication(c(X0),c(X1)))
      & test(X0)
      & test(X1) ),
    inference(ennf_transformation,[],[f19]) ).

fof(f19,plain,
    ~ ! [X0,X1] :
        ( ( test(X0)
          & test(X1) )
       => one = addition(addition(addition(addition(multiplication(X1,X0),multiplication(c(X1),X0)),multiplication(X0,X1)),multiplication(c(X0),X1)),multiplication(c(X0),c(X1))) ),
    inference(rectify,[],[f18]) ).

fof(f18,negated_conjecture,
    ~ ! [X3,X4] :
        ( ( test(X3)
          & test(X4) )
       => one = addition(addition(addition(addition(multiplication(X4,X3),multiplication(c(X4),X3)),multiplication(X3,X4)),multiplication(c(X3),X4)),multiplication(c(X3),c(X4))) ),
    inference(negated_conjecture,[],[f17]) ).

fof(f17,conjecture,
    ! [X3,X4] :
      ( ( test(X3)
        & test(X4) )
     => one = addition(addition(addition(addition(multiplication(X4,X3),multiplication(c(X4),X3)),multiplication(X3,X4)),multiplication(c(X3),X4)),multiplication(c(X3),c(X4))) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',goals) ).

fof(f936,plain,
    ( c(sK0) = sK2(sK0)
    | ~ test(sK0) ),
    inference(resolution,[],[f897,f52]) ).

fof(f52,plain,
    ! [X0,X1] :
      ( ~ complement(X0,X1)
      | c(X0) = X1
      | ~ test(X0) ),
    inference(cnf_transformation,[],[f35]) ).

fof(f35,plain,
    ! [X0,X1] :
      ( ( ( c(X0) = X1
          | ~ complement(X0,X1) )
        & ( complement(X0,X1)
          | c(X0) != X1 ) )
      | ~ test(X0) ),
    inference(nnf_transformation,[],[f28]) ).

fof(f28,plain,
    ! [X0,X1] :
      ( ( c(X0) = X1
      <=> complement(X0,X1) )
      | ~ test(X0) ),
    inference(ennf_transformation,[],[f22]) ).

fof(f22,plain,
    ! [X0,X1] :
      ( test(X0)
     => ( c(X0) = X1
      <=> complement(X0,X1) ) ),
    inference(rectify,[],[f15]) ).

fof(f15,axiom,
    ! [X3,X4] :
      ( test(X3)
     => ( c(X3) = X4
      <=> complement(X3,X4) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',test_3) ).

fof(f897,plain,
    complement(sK0,sK2(sK0)),
    inference(subsumption_resolution,[],[f896,f100]) ).

fof(f896,plain,
    ( one != addition(sK0,sK2(sK0))
    | complement(sK0,sK2(sK0)) ),
    inference(forward_demodulation,[],[f895,f50]) ).

fof(f50,plain,
    ! [X0,X1] : addition(X0,X1) = addition(X1,X0),
    inference(cnf_transformation,[],[f1]) ).

fof(f1,axiom,
    ! [X0,X1] : addition(X0,X1) = addition(X1,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',additive_commutativity) ).

fof(f895,plain,
    ( one != addition(sK2(sK0),sK0)
    | complement(sK0,sK2(sK0)) ),
    inference(subsumption_resolution,[],[f835,f92]) ).

fof(f92,plain,
    zero = multiplication(sK2(sK0),sK0),
    inference(resolution,[],[f74,f39]) ).

fof(f74,plain,
    ! [X0] :
      ( ~ test(X0)
      | zero = multiplication(sK2(X0),X0) ),
    inference(resolution,[],[f54,f48]) ).

fof(f48,plain,
    ! [X0] :
      ( complement(sK2(X0),X0)
      | ~ test(X0) ),
    inference(cnf_transformation,[],[f34]) ).

fof(f34,plain,
    ! [X0] :
      ( ( test(X0)
        | ! [X1] : ~ complement(X1,X0) )
      & ( complement(sK2(X0),X0)
        | ~ test(X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2])],[f32,f33]) ).

fof(f33,plain,
    ! [X0] :
      ( ? [X2] : complement(X2,X0)
     => complement(sK2(X0),X0) ),
    introduced(choice_axiom,[]) ).

fof(f32,plain,
    ! [X0] :
      ( ( test(X0)
        | ! [X1] : ~ complement(X1,X0) )
      & ( ? [X2] : complement(X2,X0)
        | ~ test(X0) ) ),
    inference(rectify,[],[f31]) ).

fof(f31,plain,
    ! [X0] :
      ( ( test(X0)
        | ! [X1] : ~ complement(X1,X0) )
      & ( ? [X1] : complement(X1,X0)
        | ~ test(X0) ) ),
    inference(nnf_transformation,[],[f21]) ).

fof(f21,plain,
    ! [X0] :
      ( test(X0)
    <=> ? [X1] : complement(X1,X0) ),
    inference(rectify,[],[f13]) ).

fof(f13,axiom,
    ! [X3] :
      ( test(X3)
    <=> ? [X4] : complement(X4,X3) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',test_1) ).

fof(f54,plain,
    ! [X0,X1] :
      ( ~ complement(X1,X0)
      | zero = multiplication(X1,X0) ),
    inference(cnf_transformation,[],[f37]) ).

fof(f37,plain,
    ! [X0,X1] :
      ( ( complement(X1,X0)
        | addition(X0,X1) != one
        | zero != multiplication(X1,X0)
        | zero != multiplication(X0,X1) )
      & ( ( addition(X0,X1) = one
          & zero = multiplication(X1,X0)
          & zero = multiplication(X0,X1) )
        | ~ complement(X1,X0) ) ),
    inference(flattening,[],[f36]) ).

fof(f36,plain,
    ! [X0,X1] :
      ( ( complement(X1,X0)
        | addition(X0,X1) != one
        | zero != multiplication(X1,X0)
        | zero != multiplication(X0,X1) )
      & ( ( addition(X0,X1) = one
          & zero = multiplication(X1,X0)
          & zero = multiplication(X0,X1) )
        | ~ complement(X1,X0) ) ),
    inference(nnf_transformation,[],[f23]) ).

fof(f23,plain,
    ! [X0,X1] :
      ( complement(X1,X0)
    <=> ( addition(X0,X1) = one
        & zero = multiplication(X1,X0)
        & zero = multiplication(X0,X1) ) ),
    inference(rectify,[],[f14]) ).

fof(f14,axiom,
    ! [X3,X4] :
      ( complement(X4,X3)
    <=> ( one = addition(X3,X4)
        & zero = multiplication(X4,X3)
        & zero = multiplication(X3,X4) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',test_2) ).

fof(f835,plain,
    ( one != addition(sK2(sK0),sK0)
    | complement(sK0,sK2(sK0))
    | zero != multiplication(sK2(sK0),sK0) ),
    inference(trivial_inequality_removal,[],[f812]) ).

fof(f812,plain,
    ( zero != zero
    | one != addition(sK2(sK0),sK0)
    | complement(sK0,sK2(sK0))
    | zero != multiplication(sK2(sK0),sK0) ),
    inference(superposition,[],[f56,f81]) ).

fof(f81,plain,
    zero = multiplication(sK0,sK2(sK0)),
    inference(resolution,[],[f72,f39]) ).

fof(f72,plain,
    ! [X0] :
      ( ~ test(X0)
      | zero = multiplication(X0,sK2(X0)) ),
    inference(resolution,[],[f53,f48]) ).

fof(f53,plain,
    ! [X0,X1] :
      ( ~ complement(X1,X0)
      | zero = multiplication(X0,X1) ),
    inference(cnf_transformation,[],[f37]) ).

fof(f56,plain,
    ! [X0,X1] :
      ( zero != multiplication(X1,X0)
      | addition(X0,X1) != one
      | complement(X1,X0)
      | zero != multiplication(X0,X1) ),
    inference(cnf_transformation,[],[f37]) ).

fof(f100,plain,
    one = addition(sK0,sK2(sK0)),
    inference(resolution,[],[f76,f39]) ).

fof(f76,plain,
    ! [X0] :
      ( ~ test(X0)
      | one = addition(X0,sK2(X0)) ),
    inference(resolution,[],[f55,f48]) ).

fof(f55,plain,
    ! [X0,X1] :
      ( ~ complement(X1,X0)
      | addition(X0,X1) = one ),
    inference(cnf_transformation,[],[f37]) ).

fof(f13058,plain,
    one != addition(sK0,c(sK0)),
    inference(forward_demodulation,[],[f1403,f3583]) ).

fof(f3583,plain,
    ! [X0] : addition(X0,multiplication(X0,sK1)) = X0,
    inference(forward_demodulation,[],[f3496,f44]) ).

fof(f44,plain,
    ! [X0] : multiplication(X0,one) = X0,
    inference(cnf_transformation,[],[f6]) ).

fof(f6,axiom,
    ! [X0] : multiplication(X0,one) = X0,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',multiplicative_right_identity) ).

fof(f3496,plain,
    ! [X0] : multiplication(X0,one) = addition(X0,multiplication(X0,sK1)),
    inference(superposition,[],[f300,f1248]) ).

fof(f1248,plain,
    one = addition(one,sK1),
    inference(superposition,[],[f1225,f50]) ).

fof(f1225,plain,
    one = addition(sK1,one),
    inference(superposition,[],[f103,f101]) ).

fof(f101,plain,
    one = addition(sK1,sK2(sK1)),
    inference(resolution,[],[f76,f38]) ).

fof(f38,plain,
    test(sK1),
    inference(cnf_transformation,[],[f30]) ).

fof(f103,plain,
    ! [X0,X1] : addition(X0,X1) = addition(X0,addition(X0,X1)),
    inference(superposition,[],[f57,f46]) ).

fof(f46,plain,
    ! [X0] : addition(X0,X0) = X0,
    inference(cnf_transformation,[],[f4]) ).

fof(f4,axiom,
    ! [X0] : addition(X0,X0) = X0,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',additive_idempotence) ).

fof(f57,plain,
    ! [X2,X0,X1] : addition(X2,addition(X1,X0)) = addition(addition(X2,X1),X0),
    inference(cnf_transformation,[],[f24]) ).

fof(f24,plain,
    ! [X0,X1,X2] : addition(X2,addition(X1,X0)) = addition(addition(X2,X1),X0),
    inference(rectify,[],[f2]) ).

fof(f2,axiom,
    ! [X2,X1,X0] : addition(X0,addition(X1,X2)) = addition(addition(X0,X1),X2),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',additive_associativity) ).

fof(f300,plain,
    ! [X0,X1] : multiplication(X0,addition(one,X1)) = addition(X0,multiplication(X0,X1)),
    inference(superposition,[],[f59,f44]) ).

fof(f59,plain,
    ! [X2,X0,X1] : multiplication(X0,addition(X1,X2)) = addition(multiplication(X0,X1),multiplication(X0,X2)),
    inference(cnf_transformation,[],[f8]) ).

fof(f8,axiom,
    ! [X0,X1,X2] : multiplication(X0,addition(X1,X2)) = addition(multiplication(X0,X1),multiplication(X0,X2)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',right_distributivity) ).

fof(f1403,plain,
    one != addition(addition(sK0,multiplication(sK0,sK1)),c(sK0)),
    inference(forward_demodulation,[],[f1402,f45]) ).

fof(f45,plain,
    ! [X0] : multiplication(one,X0) = X0,
    inference(cnf_transformation,[],[f7]) ).

fof(f7,axiom,
    ! [X0] : multiplication(one,X0) = X0,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',multiplicative_left_identity) ).

fof(f1402,plain,
    one != addition(addition(multiplication(one,sK0),multiplication(sK0,sK1)),c(sK0)),
    inference(forward_demodulation,[],[f1401,f50]) ).

fof(f1401,plain,
    one != addition(addition(multiplication(sK0,sK1),multiplication(one,sK0)),c(sK0)),
    inference(forward_demodulation,[],[f1400,f44]) ).

fof(f1400,plain,
    one != addition(addition(multiplication(sK0,sK1),multiplication(one,sK0)),multiplication(c(sK0),one)),
    inference(forward_demodulation,[],[f1399,f1008]) ).

fof(f1008,plain,
    one = addition(sK1,c(sK1)),
    inference(superposition,[],[f101,f952]) ).

fof(f952,plain,
    c(sK1) = sK2(sK1),
    inference(subsumption_resolution,[],[f947,f38]) ).

fof(f947,plain,
    ( c(sK1) = sK2(sK1)
    | ~ test(sK1) ),
    inference(resolution,[],[f927,f52]) ).

fof(f927,plain,
    complement(sK1,sK2(sK1)),
    inference(subsumption_resolution,[],[f926,f101]) ).

fof(f926,plain,
    ( one != addition(sK1,sK2(sK1))
    | complement(sK1,sK2(sK1)) ),
    inference(forward_demodulation,[],[f925,f50]) ).

fof(f925,plain,
    ( one != addition(sK2(sK1),sK1)
    | complement(sK1,sK2(sK1)) ),
    inference(subsumption_resolution,[],[f831,f93]) ).

fof(f93,plain,
    zero = multiplication(sK2(sK1),sK1),
    inference(resolution,[],[f74,f38]) ).

fof(f831,plain,
    ( one != addition(sK2(sK1),sK1)
    | complement(sK1,sK2(sK1))
    | zero != multiplication(sK2(sK1),sK1) ),
    inference(trivial_inequality_removal,[],[f822]) ).

fof(f822,plain,
    ( zero != zero
    | one != addition(sK2(sK1),sK1)
    | complement(sK1,sK2(sK1))
    | zero != multiplication(sK2(sK1),sK1) ),
    inference(superposition,[],[f56,f82]) ).

fof(f82,plain,
    zero = multiplication(sK1,sK2(sK1)),
    inference(resolution,[],[f72,f38]) ).

fof(f1399,plain,
    one != addition(addition(multiplication(sK0,sK1),multiplication(addition(sK1,c(sK1)),sK0)),multiplication(c(sK0),addition(sK1,c(sK1)))),
    inference(forward_demodulation,[],[f1357,f59]) ).

fof(f1357,plain,
    one != addition(addition(multiplication(sK0,sK1),multiplication(addition(sK1,c(sK1)),sK0)),addition(multiplication(c(sK0),sK1),multiplication(c(sK0),c(sK1)))),
    inference(superposition,[],[f1005,f104]) ).

fof(f104,plain,
    ! [X2,X0,X1] : addition(X0,addition(X1,X2)) = addition(addition(X1,X0),X2),
    inference(superposition,[],[f57,f50]) ).

fof(f1005,plain,
    one != addition(addition(multiplication(c(sK0),sK1),addition(multiplication(sK0,sK1),multiplication(addition(sK1,c(sK1)),sK0))),multiplication(c(sK0),c(sK1))),
    inference(forward_demodulation,[],[f1004,f60]) ).

fof(f60,plain,
    ! [X2,X0,X1] : multiplication(addition(X0,X1),X2) = addition(multiplication(X0,X2),multiplication(X1,X2)),
    inference(cnf_transformation,[],[f9]) ).

fof(f9,axiom,
    ! [X0,X1,X2] : multiplication(addition(X0,X1),X2) = addition(multiplication(X0,X2),multiplication(X1,X2)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',left_distributivity) ).

fof(f1004,plain,
    one != addition(addition(multiplication(c(sK0),sK1),addition(multiplication(sK0,sK1),addition(multiplication(sK1,sK0),multiplication(c(sK1),sK0)))),multiplication(c(sK0),c(sK1))),
    inference(forward_demodulation,[],[f1003,f50]) ).

fof(f1003,plain,
    one != addition(addition(multiplication(c(sK0),sK1),addition(addition(multiplication(sK1,sK0),multiplication(c(sK1),sK0)),multiplication(sK0,sK1))),multiplication(c(sK0),c(sK1))),
    inference(forward_demodulation,[],[f40,f50]) ).

fof(f40,plain,
    one != addition(addition(addition(addition(multiplication(sK1,sK0),multiplication(c(sK1),sK0)),multiplication(sK0,sK1)),multiplication(c(sK0),sK1)),multiplication(c(sK0),c(sK1))),
    inference(cnf_transformation,[],[f30]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.14  % Problem    : KLE010+1 : TPTP v8.1.2. Released v4.0.0.
% 0.13/0.16  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.14/0.37  % Computer : n011.cluster.edu
% 0.14/0.37  % Model    : x86_64 x86_64
% 0.14/0.37  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.37  % Memory   : 8042.1875MB
% 0.14/0.37  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.37  % CPULimit   : 300
% 0.14/0.37  % WCLimit    : 300
% 0.14/0.37  % DateTime   : Tue Apr 30 05:07:31 EDT 2024
% 0.14/0.37  % CPUTime    : 
% 0.14/0.37  % (21161)Running in auto input_syntax mode. Trying TPTP
% 0.20/0.38  % (21164)WARNING: value z3 for option sas not known
% 0.20/0.39  % (21164)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)
% 0.20/0.39  % (21163)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.20/0.39  % (21166)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)
% 0.20/0.39  % (21165)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.20/0.39  % (21168)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)
% 0.20/0.39  % (21167)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)
% 0.20/0.39  TRYING [1]
% 0.20/0.39  TRYING [2]
% 0.20/0.39  % (21162)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.20/0.39  TRYING [3]
% 0.20/0.40  TRYING [1]
% 0.20/0.40  TRYING [2]
% 0.20/0.40  TRYING [4]
% 0.20/0.41  TRYING [3]
% 0.20/0.42  TRYING [5]
% 0.20/0.45  TRYING [4]
% 0.20/0.50  TRYING [6]
% 0.20/0.53  TRYING [5]
% 2.21/0.68  % (21164)First to succeed.
% 2.21/0.68  TRYING [7]
% 2.21/0.69  % (21164)Refutation found. Thanks to Tanya!
% 2.21/0.69  % SZS status Theorem for theBenchmark
% 2.21/0.69  % SZS output start Proof for theBenchmark
% See solution above
% 2.21/0.69  % (21164)------------------------------
% 2.21/0.69  % (21164)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 2.21/0.69  % (21164)Termination reason: Refutation
% 2.21/0.69  
% 2.21/0.69  % (21164)Memory used [KB]: 6551
% 2.21/0.69  % (21164)Time elapsed: 0.302 s
% 2.21/0.69  % (21164)Instructions burned: 743 (million)
% 2.21/0.69  % (21164)------------------------------
% 2.21/0.69  % (21164)------------------------------
% 2.21/0.69  % (21161)Success in time 0.308 s
%------------------------------------------------------------------------------