TSTP Solution File: KLE010+3 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : KLE010+3 : TPTP v8.1.2. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n024.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 May 31 12:15:28 EDT 2023

% Result   : Theorem 3.16s 0.81s
% Output   : CNFRefutation 3.53s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   23
%            Number of leaves      :   16
% Syntax   : Number of formulae    :  102 (  46 unt;   0 def)
%            Number of atoms       :  195 (  94 equ)
%            Maximal formula atoms :    8 (   1 avg)
%            Number of connectives :  176 (  83   ~;  64   |;  19   &)
%                                         (   7 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   3 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    7 (   5 usr;   4 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   4 con; 0-2 aty)
%            Number of variables   :   96 (;  91   !;   5   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [A,B] : addition(A,B) = addition(B,A),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f2,axiom,
    ! [C,B,A] : addition(A,addition(B,C)) = addition(addition(A,B),C),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [A] : addition(A,zero) = A,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

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

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

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

fof(f8,axiom,
    ! [A,B,C] : multiplication(A,addition(B,C)) = addition(multiplication(A,B),multiplication(A,C)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f9,axiom,
    ! [A,B,C] : multiplication(addition(A,B),C) = addition(multiplication(A,C),multiplication(B,C)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f11,axiom,
    ! [A] : multiplication(zero,A) = zero,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f13,axiom,
    ! [X0] :
      ( test(X0)
    <=> ? [X1] : complement(X1,X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f14,axiom,
    ! [X0,X1] :
      ( complement(X1,X0)
    <=> ( multiplication(X0,X1) = zero
        & multiplication(X1,X0) = zero
        & addition(X0,X1) = one ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f15,axiom,
    ! [X0,X1] :
      ( test(X0)
     => ( c(X0) = X1
      <=> complement(X0,X1) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f19,conjecture,
    ! [X0,X1] :
      ( ( test(X1)
        & test(X0) )
     => one = addition(addition(addition(addition(multiplication(X1,X0),multiplication(c(X1),X0)),multiplication(X0,X1)),multiplication(c(X0),X1)),multiplication(c(X0),c(X1))) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f20,negated_conjecture,
    ~ ! [X0,X1] :
        ( ( test(X1)
          & test(X0) )
       => 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(negated_conjecture,[status(cth)],[f19]) ).

fof(f21,plain,
    ! [X0,X1] : addition(X0,X1) = addition(X1,X0),
    inference(cnf_transformation,[status(esa)],[f1]) ).

fof(f22,plain,
    ! [X0,X1,X2] : addition(X0,addition(X1,X2)) = addition(addition(X0,X1),X2),
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f23,plain,
    ! [X0] : addition(X0,zero) = X0,
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f24,plain,
    ! [X0] : addition(X0,X0) = X0,
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f26,plain,
    ! [X0] : multiplication(X0,one) = X0,
    inference(cnf_transformation,[status(esa)],[f6]) ).

fof(f27,plain,
    ! [X0] : multiplication(one,X0) = X0,
    inference(cnf_transformation,[status(esa)],[f7]) ).

fof(f28,plain,
    ! [X0,X1,X2] : multiplication(X0,addition(X1,X2)) = addition(multiplication(X0,X1),multiplication(X0,X2)),
    inference(cnf_transformation,[status(esa)],[f8]) ).

fof(f29,plain,
    ! [X0,X1,X2] : multiplication(addition(X0,X1),X2) = addition(multiplication(X0,X2),multiplication(X1,X2)),
    inference(cnf_transformation,[status(esa)],[f9]) ).

fof(f31,plain,
    ! [X0] : multiplication(zero,X0) = zero,
    inference(cnf_transformation,[status(esa)],[f11]) ).

fof(f36,plain,
    ! [X0] :
      ( ( ~ test(X0)
        | ? [X1] : complement(X1,X0) )
      & ( test(X0)
        | ! [X1] : ~ complement(X1,X0) ) ),
    inference(NNF_transformation,[status(esa)],[f13]) ).

fof(f37,plain,
    ( ! [X0] :
        ( ~ test(X0)
        | ? [X1] : complement(X1,X0) )
    & ! [X0] :
        ( test(X0)
        | ! [X1] : ~ complement(X1,X0) ) ),
    inference(miniscoping,[status(esa)],[f36]) ).

fof(f38,plain,
    ( ! [X0] :
        ( ~ test(X0)
        | complement(sk0_0(X0),X0) )
    & ! [X0] :
        ( test(X0)
        | ! [X1] : ~ complement(X1,X0) ) ),
    inference(skolemization,[status(esa)],[f37]) ).

fof(f39,plain,
    ! [X0] :
      ( ~ test(X0)
      | complement(sk0_0(X0),X0) ),
    inference(cnf_transformation,[status(esa)],[f38]) ).

fof(f40,plain,
    ! [X0,X1] :
      ( test(X0)
      | ~ complement(X1,X0) ),
    inference(cnf_transformation,[status(esa)],[f38]) ).

fof(f41,plain,
    ! [X0,X1] :
      ( ( ~ complement(X1,X0)
        | ( multiplication(X0,X1) = zero
          & multiplication(X1,X0) = zero
          & addition(X0,X1) = one ) )
      & ( complement(X1,X0)
        | multiplication(X0,X1) != zero
        | multiplication(X1,X0) != zero
        | addition(X0,X1) != one ) ),
    inference(NNF_transformation,[status(esa)],[f14]) ).

fof(f42,plain,
    ( ! [X0,X1] :
        ( ~ complement(X1,X0)
        | ( multiplication(X0,X1) = zero
          & multiplication(X1,X0) = zero
          & addition(X0,X1) = one ) )
    & ! [X0,X1] :
        ( complement(X1,X0)
        | multiplication(X0,X1) != zero
        | multiplication(X1,X0) != zero
        | addition(X0,X1) != one ) ),
    inference(miniscoping,[status(esa)],[f41]) ).

fof(f44,plain,
    ! [X0,X1] :
      ( ~ complement(X0,X1)
      | multiplication(X0,X1) = zero ),
    inference(cnf_transformation,[status(esa)],[f42]) ).

fof(f45,plain,
    ! [X0,X1] :
      ( ~ complement(X0,X1)
      | addition(X1,X0) = one ),
    inference(cnf_transformation,[status(esa)],[f42]) ).

fof(f46,plain,
    ! [X0,X1] :
      ( complement(X0,X1)
      | multiplication(X1,X0) != zero
      | multiplication(X0,X1) != zero
      | addition(X1,X0) != one ),
    inference(cnf_transformation,[status(esa)],[f42]) ).

fof(f47,plain,
    ! [X0,X1] :
      ( ~ test(X0)
      | ( c(X0) = X1
      <=> complement(X0,X1) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f15]) ).

fof(f48,plain,
    ! [X0,X1] :
      ( ~ test(X0)
      | ( ( c(X0) != X1
          | complement(X0,X1) )
        & ( c(X0) = X1
          | ~ complement(X0,X1) ) ) ),
    inference(NNF_transformation,[status(esa)],[f47]) ).

fof(f49,plain,
    ! [X0] :
      ( ~ test(X0)
      | ( ! [X1] :
            ( c(X0) != X1
            | complement(X0,X1) )
        & ! [X1] :
            ( c(X0) = X1
            | ~ complement(X0,X1) ) ) ),
    inference(miniscoping,[status(esa)],[f48]) ).

fof(f50,plain,
    ! [X0,X1] :
      ( ~ test(X0)
      | c(X0) != X1
      | complement(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f49]) ).

fof(f58,plain,
    ? [X0,X1] :
      ( test(X1)
      & test(X0)
      & 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(pre_NNF_transformation,[status(esa)],[f20]) ).

fof(f59,plain,
    ( test(sk0_2)
    & test(sk0_1)
    & one != addition(addition(addition(addition(multiplication(sk0_2,sk0_1),multiplication(c(sk0_2),sk0_1)),multiplication(sk0_1,sk0_2)),multiplication(c(sk0_1),sk0_2)),multiplication(c(sk0_1),c(sk0_2))) ),
    inference(skolemization,[status(esa)],[f58]) ).

fof(f60,plain,
    test(sk0_2),
    inference(cnf_transformation,[status(esa)],[f59]) ).

fof(f61,plain,
    test(sk0_1),
    inference(cnf_transformation,[status(esa)],[f59]) ).

fof(f62,plain,
    one != addition(addition(addition(addition(multiplication(sk0_2,sk0_1),multiplication(c(sk0_2),sk0_1)),multiplication(sk0_1,sk0_2)),multiplication(c(sk0_1),sk0_2)),multiplication(c(sk0_1),c(sk0_2))),
    inference(cnf_transformation,[status(esa)],[f59]) ).

fof(f85,plain,
    ! [X0,X1] : addition(X0,addition(X0,X1)) = addition(X0,X1),
    inference(paramodulation,[status(thm)],[f24,f22]) ).

fof(f92,plain,
    one != addition(addition(addition(multiplication(sk0_2,sk0_1),multiplication(c(sk0_2),sk0_1)),multiplication(sk0_1,sk0_2)),addition(multiplication(c(sk0_1),sk0_2),multiplication(c(sk0_1),c(sk0_2)))),
    inference(paramodulation,[status(thm)],[f22,f62]) ).

fof(f93,plain,
    one != addition(addition(addition(multiplication(c(sk0_2),sk0_1),multiplication(sk0_2,sk0_1)),multiplication(sk0_1,sk0_2)),addition(multiplication(c(sk0_1),sk0_2),multiplication(c(sk0_1),c(sk0_2)))),
    inference(forward_demodulation,[status(thm)],[f21,f92]) ).

fof(f94,plain,
    one != addition(addition(addition(multiplication(c(sk0_2),sk0_1),multiplication(sk0_2,sk0_1)),multiplication(sk0_1,sk0_2)),addition(multiplication(c(sk0_1),c(sk0_2)),multiplication(c(sk0_1),sk0_2))),
    inference(forward_demodulation,[status(thm)],[f21,f93]) ).

fof(f264,plain,
    ! [X0] : addition(zero,X0) = X0,
    inference(paramodulation,[status(thm)],[f21,f23]) ).

fof(f349,plain,
    complement(sk0_0(sk0_2),sk0_2),
    inference(resolution,[status(thm)],[f39,f60]) ).

fof(f358,plain,
    addition(sk0_2,sk0_0(sk0_2)) = one,
    inference(resolution,[status(thm)],[f349,f45]) ).

fof(f473,plain,
    addition(sk0_2,one) = addition(sk0_2,sk0_0(sk0_2)),
    inference(paramodulation,[status(thm)],[f358,f85]) ).

fof(f474,plain,
    addition(sk0_2,one) = one,
    inference(forward_demodulation,[status(thm)],[f358,f473]) ).

fof(f684,plain,
    ( spl0_29
  <=> multiplication(zero,one) = zero ),
    introduced(split_symbol_definition) ).

fof(f686,plain,
    ( multiplication(zero,one) != zero
    | spl0_29 ),
    inference(component_clause,[status(thm)],[f684]) ).

fof(f687,plain,
    ( spl0_30
  <=> multiplication(one,zero) = zero ),
    introduced(split_symbol_definition) ).

fof(f689,plain,
    ( multiplication(one,zero) != zero
    | spl0_30 ),
    inference(component_clause,[status(thm)],[f687]) ).

fof(f692,plain,
    ( spl0_31
  <=> complement(zero,one) ),
    introduced(split_symbol_definition) ).

fof(f693,plain,
    ( complement(zero,one)
    | ~ spl0_31 ),
    inference(component_clause,[status(thm)],[f692]) ).

fof(f695,plain,
    ( complement(zero,one)
    | multiplication(one,zero) != zero
    | multiplication(zero,one) != zero ),
    inference(resolution,[status(thm)],[f46,f23]) ).

fof(f696,plain,
    ( spl0_31
    | ~ spl0_30
    | ~ spl0_29 ),
    inference(split_clause,[status(thm)],[f695,f692,f687,f684]) ).

fof(f785,plain,
    ( $false
    | spl0_29 ),
    inference(forward_subsumption_resolution,[status(thm)],[f686,f31]) ).

fof(f786,plain,
    spl0_29,
    inference(contradiction_clause,[status(thm)],[f785]) ).

fof(f787,plain,
    ( $false
    | spl0_30 ),
    inference(forward_subsumption_resolution,[status(thm)],[f689,f27]) ).

fof(f788,plain,
    spl0_30,
    inference(contradiction_clause,[status(thm)],[f787]) ).

fof(f852,plain,
    ! [X0] :
      ( c(sk0_1) != X0
      | complement(sk0_1,X0) ),
    inference(resolution,[status(thm)],[f50,f61]) ).

fof(f853,plain,
    ! [X0] :
      ( c(sk0_2) != X0
      | complement(sk0_2,X0) ),
    inference(resolution,[status(thm)],[f50,f60]) ).

fof(f900,plain,
    ( test(one)
    | ~ spl0_31 ),
    inference(resolution,[status(thm)],[f693,f40]) ).

fof(f910,plain,
    ( complement(sk0_0(one),one)
    | ~ spl0_31 ),
    inference(resolution,[status(thm)],[f900,f39]) ).

fof(f929,plain,
    ( multiplication(sk0_0(one),one) = zero
    | ~ spl0_31 ),
    inference(resolution,[status(thm)],[f910,f44]) ).

fof(f974,plain,
    ( sk0_0(one) = zero
    | ~ spl0_31 ),
    inference(paramodulation,[status(thm)],[f26,f929]) ).

fof(f976,plain,
    ! [X0] :
      ( multiplication(addition(X0,sk0_0(one)),one) = addition(multiplication(X0,one),zero)
      | ~ spl0_31 ),
    inference(paramodulation,[status(thm)],[f929,f29]) ).

fof(f977,plain,
    ! [X0] :
      ( multiplication(addition(X0,sk0_0(one)),one) = addition(X0,zero)
      | ~ spl0_31 ),
    inference(forward_demodulation,[status(thm)],[f26,f976]) ).

fof(f978,plain,
    ! [X0] :
      ( multiplication(addition(sk0_0(one),X0),one) = addition(zero,multiplication(X0,one))
      | ~ spl0_31 ),
    inference(paramodulation,[status(thm)],[f929,f29]) ).

fof(f979,plain,
    ! [X0] :
      ( multiplication(addition(sk0_0(one),X0),one) = addition(zero,X0)
      | ~ spl0_31 ),
    inference(forward_demodulation,[status(thm)],[f26,f978]) ).

fof(f1577,plain,
    ! [X0] :
      ( multiplication(addition(X0,zero),one) = addition(X0,zero)
      | ~ spl0_31 ),
    inference(forward_demodulation,[status(thm)],[f974,f977]) ).

fof(f1578,plain,
    ! [X0] :
      ( multiplication(X0,one) = addition(X0,zero)
      | ~ spl0_31 ),
    inference(forward_demodulation,[status(thm)],[f23,f1577]) ).

fof(f1607,plain,
    ! [X0,X1] :
      ( multiplication(X0,addition(X1,one)) = addition(multiplication(X0,X1),addition(X0,zero))
      | ~ spl0_31 ),
    inference(paramodulation,[status(thm)],[f1578,f28]) ).

fof(f1608,plain,
    ! [X0,X1] :
      ( multiplication(X0,addition(X1,one)) = addition(multiplication(X0,X1),X0)
      | ~ spl0_31 ),
    inference(forward_demodulation,[status(thm)],[f23,f1607]) ).

fof(f1654,plain,
    ! [X0] :
      ( multiplication(addition(zero,X0),one) = addition(zero,X0)
      | ~ spl0_31 ),
    inference(forward_demodulation,[status(thm)],[f974,f979]) ).

fof(f1655,plain,
    ! [X0] :
      ( multiplication(X0,one) = addition(zero,X0)
      | ~ spl0_31 ),
    inference(forward_demodulation,[status(thm)],[f264,f1654]) ).

fof(f2096,plain,
    complement(sk0_1,multiplication(one,c(sk0_1))),
    inference(resolution,[status(thm)],[f852,f27]) ).

fof(f2097,plain,
    complement(sk0_1,c(sk0_1)),
    inference(forward_demodulation,[status(thm)],[f27,f2096]) ).

fof(f2111,plain,
    addition(c(sk0_1),sk0_1) = one,
    inference(resolution,[status(thm)],[f2097,f45]) ).

fof(f2152,plain,
    complement(sk0_2,multiplication(one,c(sk0_2))),
    inference(resolution,[status(thm)],[f853,f27]) ).

fof(f2153,plain,
    complement(sk0_2,c(sk0_2)),
    inference(forward_demodulation,[status(thm)],[f27,f2152]) ).

fof(f2168,plain,
    addition(c(sk0_2),sk0_2) = one,
    inference(resolution,[status(thm)],[f2153,f45]) ).

fof(f2540,plain,
    ! [X0] :
      ( multiplication(X0,one) = addition(multiplication(X0,sk0_2),X0)
      | ~ spl0_31 ),
    inference(paramodulation,[status(thm)],[f474,f1608]) ).

fof(f2826,plain,
    one != addition(addition(multiplication(addition(c(sk0_2),sk0_2),sk0_1),multiplication(sk0_1,sk0_2)),addition(multiplication(c(sk0_1),c(sk0_2)),multiplication(c(sk0_1),sk0_2))),
    inference(forward_demodulation,[status(thm)],[f29,f94]) ).

fof(f2827,plain,
    one != addition(addition(multiplication(addition(c(sk0_2),sk0_2),sk0_1),multiplication(sk0_1,sk0_2)),multiplication(c(sk0_1),addition(c(sk0_2),sk0_2))),
    inference(forward_demodulation,[status(thm)],[f28,f2826]) ).

fof(f2968,plain,
    one != addition(addition(multiplication(addition(c(sk0_2),sk0_2),sk0_1),multiplication(sk0_1,sk0_2)),multiplication(c(sk0_1),one)),
    inference(backward_demodulation,[status(thm)],[f2168,f2827]) ).

fof(f2969,plain,
    one != addition(addition(multiplication(one,sk0_1),multiplication(sk0_1,sk0_2)),multiplication(c(sk0_1),one)),
    inference(forward_demodulation,[status(thm)],[f2168,f2968]) ).

fof(f2970,plain,
    one != addition(addition(sk0_1,multiplication(sk0_1,sk0_2)),multiplication(c(sk0_1),one)),
    inference(forward_demodulation,[status(thm)],[f27,f2969]) ).

fof(f2971,plain,
    one != addition(addition(multiplication(sk0_1,sk0_2),sk0_1),multiplication(c(sk0_1),one)),
    inference(forward_demodulation,[status(thm)],[f21,f2970]) ).

fof(f2972,plain,
    ( one != addition(addition(multiplication(sk0_1,sk0_2),sk0_1),addition(zero,c(sk0_1)))
    | ~ spl0_31 ),
    inference(forward_demodulation,[status(thm)],[f1655,f2971]) ).

fof(f2973,plain,
    ( one != addition(addition(multiplication(sk0_1,sk0_2),sk0_1),c(sk0_1))
    | ~ spl0_31 ),
    inference(forward_demodulation,[status(thm)],[f264,f2972]) ).

fof(f3248,plain,
    ( one != addition(c(sk0_1),addition(multiplication(sk0_1,sk0_2),sk0_1))
    | ~ spl0_31 ),
    inference(paramodulation,[status(thm)],[f21,f2973]) ).

fof(f4160,plain,
    ( one != addition(c(sk0_1),multiplication(sk0_1,one))
    | ~ spl0_31 ),
    inference(backward_demodulation,[status(thm)],[f2540,f3248]) ).

fof(f4161,plain,
    ( one != addition(c(sk0_1),addition(zero,sk0_1))
    | ~ spl0_31 ),
    inference(forward_demodulation,[status(thm)],[f1655,f4160]) ).

fof(f4162,plain,
    ( one != addition(c(sk0_1),sk0_1)
    | ~ spl0_31 ),
    inference(forward_demodulation,[status(thm)],[f264,f4161]) ).

fof(f4163,plain,
    ( one != one
    | ~ spl0_31 ),
    inference(forward_demodulation,[status(thm)],[f2111,f4162]) ).

fof(f4164,plain,
    ( $false
    | ~ spl0_31 ),
    inference(trivial_equality_resolution,[status(esa)],[f4163]) ).

fof(f4165,plain,
    ~ spl0_31,
    inference(contradiction_clause,[status(thm)],[f4164]) ).

fof(f4166,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f696,f786,f788,f4165]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.13  % Problem  : KLE010+3 : TPTP v8.1.2. Released v4.0.0.
% 0.12/0.14  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.35  % Computer : n024.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 300
% 0.13/0.35  % DateTime : Tue May 30 11:47:03 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.13/0.36  % Drodi V3.5.1
% 3.16/0.81  % Refutation found
% 3.16/0.81  % SZS status Theorem for theBenchmark: Theorem is valid
% 3.16/0.81  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 3.53/0.84  % Elapsed time: 0.476744 seconds
% 3.53/0.84  % CPU time: 3.590156 seconds
% 3.53/0.84  % Memory used: 95.630 MB
%------------------------------------------------------------------------------