TSTP Solution File: KLE148+2 by Drodi---3.5.1

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%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : KLE148+2 : TPTP v8.1.2. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n025.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 12:15:55 EDT 2023

% Result   : Theorem 1.89s 0.63s
% Output   : CNFRefutation 1.89s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   14
% Syntax   : Number of formulae    :   59 (  26 unt;   0 def)
%            Number of atoms       :  102 (  49 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   77 (  34   ~;  30   |;   7   &)
%                                         (   4 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    6 (   4 usr;   4 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   6 con; 0-2 aty)
%            Number of variables   :   67 (;  61   !;   6   ?)

% 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(f5,axiom,
    ! [A,B,C] : multiplication(A,multiplication(B,C)) = multiplication(multiplication(A,B),C),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f6,axiom,
    ! [A] : multiplication(A,one) = 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(f10,axiom,
    ! [A] : multiplication(zero,A) = zero,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f15,axiom,
    ! [A] : strong_iteration(A) = addition(multiplication(A,strong_iteration(A)),one),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f18,axiom,
    ! [A,B] :
      ( leq(A,B)
    <=> addition(A,B) = B ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f19,conjecture,
    ! [X0,X1] :
      ( ( multiplication(X0,X1) = zero
       => leq(multiplication(X0,strong_iteration(X1)),X0) )
      & leq(X0,multiplication(X0,strong_iteration(X1))) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f20,negated_conjecture,
    ~ ! [X0,X1] :
        ( ( multiplication(X0,X1) = zero
         => leq(multiplication(X0,strong_iteration(X1)),X0) )
        & leq(X0,multiplication(X0,strong_iteration(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(f25,plain,
    ! [X0,X1,X2] : multiplication(X0,multiplication(X1,X2)) = multiplication(multiplication(X0,X1),X2),
    inference(cnf_transformation,[status(esa)],[f5]) ).

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

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(f30,plain,
    ! [X0] : multiplication(zero,X0) = zero,
    inference(cnf_transformation,[status(esa)],[f10]) ).

fof(f37,plain,
    ! [X0] : strong_iteration(X0) = addition(multiplication(X0,strong_iteration(X0)),one),
    inference(cnf_transformation,[status(esa)],[f15]) ).

fof(f41,plain,
    ! [A,B] :
      ( ( ~ leq(A,B)
        | addition(A,B) = B )
      & ( leq(A,B)
        | addition(A,B) != B ) ),
    inference(NNF_transformation,[status(esa)],[f18]) ).

fof(f42,plain,
    ( ! [A,B] :
        ( ~ leq(A,B)
        | addition(A,B) = B )
    & ! [A,B] :
        ( leq(A,B)
        | addition(A,B) != B ) ),
    inference(miniscoping,[status(esa)],[f41]) ).

fof(f44,plain,
    ! [X0,X1] :
      ( leq(X0,X1)
      | addition(X0,X1) != X1 ),
    inference(cnf_transformation,[status(esa)],[f42]) ).

fof(f45,plain,
    ? [X0,X1] :
      ( ( multiplication(X0,X1) = zero
        & ~ leq(multiplication(X0,strong_iteration(X1)),X0) )
      | ~ leq(X0,multiplication(X0,strong_iteration(X1))) ),
    inference(pre_NNF_transformation,[status(esa)],[f20]) ).

fof(f46,plain,
    ( ? [X0,X1] :
        ( multiplication(X0,X1) = zero
        & ~ leq(multiplication(X0,strong_iteration(X1)),X0) )
    | ? [X0,X1] : ~ leq(X0,multiplication(X0,strong_iteration(X1))) ),
    inference(miniscoping,[status(esa)],[f45]) ).

fof(f47,plain,
    ( ( multiplication(sk0_0,sk0_1) = zero
      & ~ leq(multiplication(sk0_0,strong_iteration(sk0_1)),sk0_0) )
    | ~ leq(sk0_2,multiplication(sk0_2,strong_iteration(sk0_3))) ),
    inference(skolemization,[status(esa)],[f46]) ).

fof(f48,plain,
    ( multiplication(sk0_0,sk0_1) = zero
    | ~ leq(sk0_2,multiplication(sk0_2,strong_iteration(sk0_3))) ),
    inference(cnf_transformation,[status(esa)],[f47]) ).

fof(f49,plain,
    ( ~ leq(multiplication(sk0_0,strong_iteration(sk0_1)),sk0_0)
    | ~ leq(sk0_2,multiplication(sk0_2,strong_iteration(sk0_3))) ),
    inference(cnf_transformation,[status(esa)],[f47]) ).

fof(f50,plain,
    ( spl0_0
  <=> multiplication(sk0_0,sk0_1) = zero ),
    introduced(split_symbol_definition) ).

fof(f51,plain,
    ( multiplication(sk0_0,sk0_1) = zero
    | ~ spl0_0 ),
    inference(component_clause,[status(thm)],[f50]) ).

fof(f53,plain,
    ( spl0_1
  <=> leq(sk0_2,multiplication(sk0_2,strong_iteration(sk0_3))) ),
    introduced(split_symbol_definition) ).

fof(f55,plain,
    ( ~ leq(sk0_2,multiplication(sk0_2,strong_iteration(sk0_3)))
    | spl0_1 ),
    inference(component_clause,[status(thm)],[f53]) ).

fof(f56,plain,
    ( spl0_0
    | ~ spl0_1 ),
    inference(split_clause,[status(thm)],[f48,f50,f53]) ).

fof(f57,plain,
    ( spl0_2
  <=> leq(multiplication(sk0_0,strong_iteration(sk0_1)),sk0_0) ),
    introduced(split_symbol_definition) ).

fof(f59,plain,
    ( ~ leq(multiplication(sk0_0,strong_iteration(sk0_1)),sk0_0)
    | spl0_2 ),
    inference(component_clause,[status(thm)],[f57]) ).

fof(f60,plain,
    ( ~ spl0_2
    | ~ spl0_1 ),
    inference(split_clause,[status(thm)],[f49,f57,f53]) ).

fof(f61,plain,
    ! [X0] : strong_iteration(X0) = addition(one,multiplication(X0,strong_iteration(X0))),
    inference(forward_demodulation,[status(thm)],[f21,f37]) ).

fof(f67,plain,
    ( addition(sk0_2,multiplication(sk0_2,strong_iteration(sk0_3))) != multiplication(sk0_2,strong_iteration(sk0_3))
    | spl0_1 ),
    inference(resolution,[status(thm)],[f44,f55]) ).

fof(f68,plain,
    ( addition(multiplication(sk0_0,strong_iteration(sk0_1)),sk0_0) != sk0_0
    | spl0_2 ),
    inference(resolution,[status(thm)],[f44,f59]) ).

fof(f69,plain,
    ( addition(sk0_0,multiplication(sk0_0,strong_iteration(sk0_1))) != sk0_0
    | spl0_2 ),
    inference(forward_demodulation,[status(thm)],[f21,f68]) ).

fof(f283,plain,
    ! [X0,X1] : addition(X0,addition(X0,X1)) = addition(X0,X1),
    inference(paramodulation,[status(thm)],[f24,f22]) ).

fof(f297,plain,
    ! [X0] : addition(one,strong_iteration(X0)) = addition(one,multiplication(X0,strong_iteration(X0))),
    inference(paramodulation,[status(thm)],[f61,f283]) ).

fof(f298,plain,
    ! [X0] : addition(one,strong_iteration(X0)) = strong_iteration(X0),
    inference(forward_demodulation,[status(thm)],[f61,f297]) ).

fof(f614,plain,
    ! [X0,X1] : multiplication(X0,addition(one,X1)) = addition(X0,multiplication(X0,X1)),
    inference(paramodulation,[status(thm)],[f26,f28]) ).

fof(f2005,plain,
    ! [X0,X1] : multiplication(X0,strong_iteration(X1)) = addition(X0,multiplication(X0,strong_iteration(X1))),
    inference(paramodulation,[status(thm)],[f298,f614]) ).

fof(f2139,plain,
    ( multiplication(sk0_2,strong_iteration(sk0_3)) != multiplication(sk0_2,strong_iteration(sk0_3))
    | spl0_1 ),
    inference(backward_demodulation,[status(thm)],[f2005,f67]) ).

fof(f2140,plain,
    ( $false
    | spl0_1 ),
    inference(trivial_equality_resolution,[status(esa)],[f2139]) ).

fof(f2141,plain,
    spl0_1,
    inference(contradiction_clause,[status(thm)],[f2140]) ).

fof(f2142,plain,
    ( multiplication(sk0_0,strong_iteration(sk0_1)) != sk0_0
    | spl0_2 ),
    inference(backward_demodulation,[status(thm)],[f2005,f69]) ).

fof(f2191,plain,
    ! [X0] :
      ( multiplication(sk0_0,multiplication(sk0_1,X0)) = multiplication(zero,X0)
      | ~ spl0_0 ),
    inference(paramodulation,[status(thm)],[f51,f25]) ).

fof(f2192,plain,
    ! [X0] :
      ( multiplication(sk0_0,multiplication(sk0_1,X0)) = zero
      | ~ spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f30,f2191]) ).

fof(f2238,plain,
    ! [X0,X1] :
      ( multiplication(sk0_0,addition(X0,multiplication(sk0_1,X1))) = addition(multiplication(sk0_0,X0),zero)
      | ~ spl0_0 ),
    inference(paramodulation,[status(thm)],[f2192,f28]) ).

fof(f2239,plain,
    ! [X0,X1] :
      ( multiplication(sk0_0,addition(X0,multiplication(sk0_1,X1))) = multiplication(sk0_0,X0)
      | ~ spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f23,f2238]) ).

fof(f2622,plain,
    ( multiplication(sk0_0,strong_iteration(sk0_1)) = multiplication(sk0_0,one)
    | ~ spl0_0 ),
    inference(paramodulation,[status(thm)],[f61,f2239]) ).

fof(f2623,plain,
    ( multiplication(sk0_0,strong_iteration(sk0_1)) = sk0_0
    | ~ spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f26,f2622]) ).

fof(f2624,plain,
    ( $false
    | spl0_2
    | ~ spl0_0 ),
    inference(forward_subsumption_resolution,[status(thm)],[f2623,f2142]) ).

fof(f2625,plain,
    ( spl0_2
    | ~ spl0_0 ),
    inference(contradiction_clause,[status(thm)],[f2624]) ).

fof(f2626,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f56,f60,f2141,f2625]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : KLE148+2 : TPTP v8.1.2. Released v4.0.0.
% 0.03/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.34  % Computer : n025.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Tue May 30 11:58:42 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.13/0.35  % Drodi V3.5.1
% 1.89/0.63  % Refutation found
% 1.89/0.63  % SZS status Theorem for theBenchmark: Theorem is valid
% 1.89/0.63  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 2.33/0.66  % Elapsed time: 0.312093 seconds
% 2.33/0.66  % CPU time: 2.314864 seconds
% 2.33/0.66  % Memory used: 70.700 MB
%------------------------------------------------------------------------------