TSTP Solution File: SWC032-1 by Drodi---3.5.1

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%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SWC032-1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n008.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 12:38:57 EDT 2023

% Result   : Unsatisfiable 0.06s 0.27s
% Output   : CNFRefutation 0.06s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   17
% Syntax   : Number of formulae    :   56 (  15 unt;   0 def)
%            Number of atoms       :  113 (  39 equ)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :  103 (  46   ~;  50   |;   0   &)
%                                         (   7 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :   10 (   8 usr;   8 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   6 con; 0-2 aty)
%            Number of variables   :   10 (;  10   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f85,axiom,
    ! [U,V] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ssList(app(V,U)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f118,axiom,
    ! [U,V] :
      ( app(U,V) != nil
      | ~ ssList(V)
      | ~ ssList(U)
      | nil = U ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f186,negated_conjecture,
    ssList(sk1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f190,negated_conjecture,
    sk2 = sk4,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f191,negated_conjecture,
    sk1 = sk3,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f192,negated_conjecture,
    ssList(sk5),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f193,negated_conjecture,
    app(sk3,sk5) = sk4,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f196,negated_conjecture,
    ( nil = sk4
    | nil != sk3 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f197,negated_conjecture,
    ( nil = sk2
    | nil = sk1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f200,negated_conjecture,
    ( nil != sk1
    | nil != sk2 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f286,plain,
    ! [X0,X1] :
      ( ~ ssList(X0)
      | ~ ssList(X1)
      | ssList(app(X1,X0)) ),
    inference(cnf_transformation,[status(esa)],[f85]) ).

fof(f327,plain,
    ! [U] :
      ( ! [V] :
          ( app(U,V) != nil
          | ~ ssList(V) )
      | ~ ssList(U)
      | nil = U ),
    inference(miniscoping,[status(esa)],[f118]) ).

fof(f328,plain,
    ! [X0,X1] :
      ( app(X0,X1) != nil
      | ~ ssList(X1)
      | ~ ssList(X0)
      | nil = X0 ),
    inference(cnf_transformation,[status(esa)],[f327]) ).

fof(f431,plain,
    ssList(sk1),
    inference(cnf_transformation,[status(esa)],[f186]) ).

fof(f435,plain,
    sk2 = sk4,
    inference(cnf_transformation,[status(esa)],[f190]) ).

fof(f436,plain,
    sk1 = sk3,
    inference(cnf_transformation,[status(esa)],[f191]) ).

fof(f437,plain,
    ssList(sk5),
    inference(cnf_transformation,[status(esa)],[f192]) ).

fof(f438,plain,
    app(sk3,sk5) = sk4,
    inference(cnf_transformation,[status(esa)],[f193]) ).

fof(f442,plain,
    ( nil = sk4
    | nil != sk3 ),
    inference(cnf_transformation,[status(esa)],[f196]) ).

fof(f443,plain,
    ( nil = sk2
    | nil = sk1 ),
    inference(cnf_transformation,[status(esa)],[f197]) ).

fof(f446,plain,
    ( nil != sk1
    | nil != sk2 ),
    inference(cnf_transformation,[status(esa)],[f200]) ).

fof(f454,plain,
    ( spl0_2
  <=> nil = sk4 ),
    introduced(split_symbol_definition) ).

fof(f455,plain,
    ( nil = sk4
    | ~ spl0_2 ),
    inference(component_clause,[status(thm)],[f454]) ).

fof(f457,plain,
    ( spl0_3
  <=> nil = sk3 ),
    introduced(split_symbol_definition) ).

fof(f459,plain,
    ( nil != sk3
    | spl0_3 ),
    inference(component_clause,[status(thm)],[f457]) ).

fof(f460,plain,
    ( spl0_2
    | ~ spl0_3 ),
    inference(split_clause,[status(thm)],[f442,f454,f457]) ).

fof(f461,plain,
    ( spl0_4
  <=> nil = sk2 ),
    introduced(split_symbol_definition) ).

fof(f462,plain,
    ( nil = sk2
    | ~ spl0_4 ),
    inference(component_clause,[status(thm)],[f461]) ).

fof(f463,plain,
    ( nil != sk2
    | spl0_4 ),
    inference(component_clause,[status(thm)],[f461]) ).

fof(f464,plain,
    ( spl0_5
  <=> nil = sk1 ),
    introduced(split_symbol_definition) ).

fof(f465,plain,
    ( nil = sk1
    | ~ spl0_5 ),
    inference(component_clause,[status(thm)],[f464]) ).

fof(f467,plain,
    ( spl0_4
    | spl0_5 ),
    inference(split_clause,[status(thm)],[f443,f461,f464]) ).

fof(f470,plain,
    ( ~ spl0_5
    | ~ spl0_4 ),
    inference(split_clause,[status(thm)],[f446,f464,f461]) ).

fof(f503,plain,
    app(sk1,sk5) = sk4,
    inference(forward_demodulation,[status(thm)],[f436,f438]) ).

fof(f504,plain,
    app(sk1,sk5) = sk2,
    inference(forward_demodulation,[status(thm)],[f435,f503]) ).

fof(f505,plain,
    ( spl0_6
  <=> ssList(sk5) ),
    introduced(split_symbol_definition) ).

fof(f507,plain,
    ( ~ ssList(sk5)
    | spl0_6 ),
    inference(component_clause,[status(thm)],[f505]) ).

fof(f508,plain,
    ( spl0_7
  <=> ssList(sk1) ),
    introduced(split_symbol_definition) ).

fof(f510,plain,
    ( ~ ssList(sk1)
    | spl0_7 ),
    inference(component_clause,[status(thm)],[f508]) ).

fof(f511,plain,
    ( spl0_8
  <=> ssList(sk2) ),
    introduced(split_symbol_definition) ).

fof(f514,plain,
    ( ~ ssList(sk5)
    | ~ ssList(sk1)
    | ssList(sk2) ),
    inference(paramodulation,[status(thm)],[f504,f286]) ).

fof(f515,plain,
    ( ~ spl0_6
    | ~ spl0_7
    | spl0_8 ),
    inference(split_clause,[status(thm)],[f514,f505,f508,f511]) ).

fof(f516,plain,
    ( $false
    | spl0_7 ),
    inference(forward_subsumption_resolution,[status(thm)],[f510,f431]) ).

fof(f517,plain,
    spl0_7,
    inference(contradiction_clause,[status(thm)],[f516]) ).

fof(f518,plain,
    ( $false
    | spl0_6 ),
    inference(forward_subsumption_resolution,[status(thm)],[f507,f437]) ).

fof(f519,plain,
    spl0_6,
    inference(contradiction_clause,[status(thm)],[f518]) ).

fof(f520,plain,
    ( nil != sk1
    | spl0_3 ),
    inference(forward_demodulation,[status(thm)],[f436,f459]) ).

fof(f521,plain,
    ( app(sk1,sk5) = nil
    | ~ spl0_4 ),
    inference(backward_demodulation,[status(thm)],[f462,f504]) ).

fof(f529,plain,
    ( $false
    | spl0_3
    | ~ spl0_5 ),
    inference(forward_subsumption_resolution,[status(thm)],[f465,f520]) ).

fof(f530,plain,
    ( spl0_3
    | ~ spl0_5 ),
    inference(contradiction_clause,[status(thm)],[f529]) ).

fof(f544,plain,
    ( sk2 = nil
    | ~ spl0_2 ),
    inference(forward_demodulation,[status(thm)],[f455,f435]) ).

fof(f545,plain,
    ( $false
    | spl0_4
    | ~ spl0_2 ),
    inference(forward_subsumption_resolution,[status(thm)],[f544,f463]) ).

fof(f546,plain,
    ( spl0_4
    | ~ spl0_2 ),
    inference(contradiction_clause,[status(thm)],[f545]) ).

fof(f565,plain,
    ( ~ ssList(sk5)
    | ~ ssList(sk1)
    | nil = sk1
    | ~ spl0_4 ),
    inference(resolution,[status(thm)],[f328,f521]) ).

fof(f566,plain,
    ( ~ spl0_6
    | ~ spl0_7
    | spl0_5
    | ~ spl0_4 ),
    inference(split_clause,[status(thm)],[f565,f505,f508,f464,f461]) ).

fof(f576,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f460,f467,f470,f515,f517,f519,f530,f546,f566]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.07  % Problem  : SWC032-1 : TPTP v8.1.2. Released v2.4.0.
% 0.06/0.07  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.06/0.26  % Computer : n008.cluster.edu
% 0.06/0.26  % Model    : x86_64 x86_64
% 0.06/0.26  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.06/0.26  % Memory   : 8042.1875MB
% 0.06/0.26  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.06/0.26  % CPULimit : 300
% 0.06/0.26  % WCLimit  : 300
% 0.06/0.26  % DateTime : Tue May 30 11:26:38 EDT 2023
% 0.06/0.26  % CPUTime  : 
% 0.06/0.26  % Drodi V3.5.1
% 0.06/0.27  % Refutation found
% 0.06/0.27  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.06/0.27  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.06/0.27  % Elapsed time: 0.016091 seconds
% 0.06/0.27  % CPU time: 0.028558 seconds
% 0.06/0.27  % Memory used: 18.072 MB
%------------------------------------------------------------------------------