TSTP Solution File: SWC217-1 by Drodi---3.5.1

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%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SWC217-1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n001.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 12:39:42 EDT 2023

% Result   : Unsatisfiable 0.15s 0.35s
% Output   : CNFRefutation 0.16s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :   16
% Syntax   : Number of formulae    :   48 (  16 unt;   0 def)
%            Number of atoms       :   94 (  18 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   88 (  42   ~;  40   |;   0   &)
%                                         (   6 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :   11 (   9 usr;   7 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   6 con; 0-2 aty)
%            Number of variables   :   10 (;  10   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f8,axiom,
    ssList(nil),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f98,axiom,
    ! [U,V] :
      ( cons(U,V) != nil
      | ~ ssItem(U)
      | ~ ssList(V) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f100,axiom,
    ! [U,V] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | neq(V,U)
      | V = 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,
    neq(sk2,nil),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f193,negated_conjecture,
    ~ neq(sk1,nil),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f195,negated_conjecture,
    ( ssItem(sk5)
    | ~ neq(sk4,nil) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f196,negated_conjecture,
    ( cons(sk5,nil) = sk3
    | ~ neq(sk4,nil) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f205,plain,
    ssList(nil),
    inference(cnf_transformation,[status(esa)],[f8]) ).

fof(f296,plain,
    ! [V] :
      ( ! [U] :
          ( cons(U,V) != nil
          | ~ ssItem(U) )
      | ~ ssList(V) ),
    inference(miniscoping,[status(esa)],[f98]) ).

fof(f297,plain,
    ! [X0,X1] :
      ( cons(X0,X1) != nil
      | ~ ssItem(X0)
      | ~ ssList(X1) ),
    inference(cnf_transformation,[status(esa)],[f296]) ).

fof(f300,plain,
    ! [X0,X1] :
      ( ~ ssList(X0)
      | ~ ssList(X1)
      | neq(X1,X0)
      | X1 = X0 ),
    inference(cnf_transformation,[status(esa)],[f100]) ).

fof(f428,plain,
    ssList(sk1),
    inference(cnf_transformation,[status(esa)],[f186]) ).

fof(f432,plain,
    sk2 = sk4,
    inference(cnf_transformation,[status(esa)],[f190]) ).

fof(f433,plain,
    sk1 = sk3,
    inference(cnf_transformation,[status(esa)],[f191]) ).

fof(f434,plain,
    neq(sk2,nil),
    inference(cnf_transformation,[status(esa)],[f192]) ).

fof(f435,plain,
    ~ neq(sk1,nil),
    inference(cnf_transformation,[status(esa)],[f193]) ).

fof(f437,plain,
    ( ssItem(sk5)
    | ~ neq(sk4,nil) ),
    inference(cnf_transformation,[status(esa)],[f195]) ).

fof(f438,plain,
    ( cons(sk5,nil) = sk3
    | ~ neq(sk4,nil) ),
    inference(cnf_transformation,[status(esa)],[f196]) ).

fof(f454,plain,
    ( spl0_4
  <=> ssItem(sk5) ),
    introduced(split_symbol_definition) ).

fof(f457,plain,
    ( spl0_5
  <=> neq(sk4,nil) ),
    introduced(split_symbol_definition) ).

fof(f459,plain,
    ( ~ neq(sk4,nil)
    | spl0_5 ),
    inference(component_clause,[status(thm)],[f457]) ).

fof(f460,plain,
    ( spl0_4
    | ~ spl0_5 ),
    inference(split_clause,[status(thm)],[f437,f454,f457]) ).

fof(f461,plain,
    ( spl0_6
  <=> cons(sk5,nil) = sk3 ),
    introduced(split_symbol_definition) ).

fof(f462,plain,
    ( cons(sk5,nil) = sk3
    | ~ spl0_6 ),
    inference(component_clause,[status(thm)],[f461]) ).

fof(f464,plain,
    ( spl0_6
    | ~ spl0_5 ),
    inference(split_clause,[status(thm)],[f438,f461,f457]) ).

fof(f500,plain,
    ( spl0_8
  <=> ssList(nil) ),
    introduced(split_symbol_definition) ).

fof(f502,plain,
    ( ~ ssList(nil)
    | spl0_8 ),
    inference(component_clause,[status(thm)],[f500]) ).

fof(f503,plain,
    ( spl0_9
  <=> ssList(sk1) ),
    introduced(split_symbol_definition) ).

fof(f505,plain,
    ( ~ ssList(sk1)
    | spl0_9 ),
    inference(component_clause,[status(thm)],[f503]) ).

fof(f506,plain,
    ( spl0_10
  <=> sk1 = nil ),
    introduced(split_symbol_definition) ).

fof(f507,plain,
    ( sk1 = nil
    | ~ spl0_10 ),
    inference(component_clause,[status(thm)],[f506]) ).

fof(f509,plain,
    ( ~ ssList(nil)
    | ~ ssList(sk1)
    | sk1 = nil ),
    inference(resolution,[status(thm)],[f300,f435]) ).

fof(f510,plain,
    ( ~ spl0_8
    | ~ spl0_9
    | spl0_10 ),
    inference(split_clause,[status(thm)],[f509,f500,f503,f506]) ).

fof(f511,plain,
    ( $false
    | spl0_9 ),
    inference(forward_subsumption_resolution,[status(thm)],[f505,f428]) ).

fof(f512,plain,
    spl0_9,
    inference(contradiction_clause,[status(thm)],[f511]) ).

fof(f513,plain,
    ( $false
    | spl0_8 ),
    inference(forward_subsumption_resolution,[status(thm)],[f502,f205]) ).

fof(f514,plain,
    spl0_8,
    inference(contradiction_clause,[status(thm)],[f513]) ).

fof(f525,plain,
    ( nil = sk3
    | ~ spl0_10 ),
    inference(backward_demodulation,[status(thm)],[f507,f433]) ).

fof(f527,plain,
    ( ~ neq(sk2,nil)
    | spl0_5 ),
    inference(forward_demodulation,[status(thm)],[f432,f459]) ).

fof(f528,plain,
    ( $false
    | spl0_5 ),
    inference(forward_subsumption_resolution,[status(thm)],[f527,f434]) ).

fof(f529,plain,
    spl0_5,
    inference(contradiction_clause,[status(thm)],[f528]) ).

fof(f530,plain,
    ( cons(sk5,nil) = nil
    | ~ spl0_10
    | ~ spl0_6 ),
    inference(forward_demodulation,[status(thm)],[f525,f462]) ).

fof(f540,plain,
    ( ~ ssItem(sk5)
    | ~ ssList(nil)
    | ~ spl0_10
    | ~ spl0_6 ),
    inference(resolution,[status(thm)],[f530,f297]) ).

fof(f541,plain,
    ( ~ spl0_4
    | ~ spl0_8
    | ~ spl0_10
    | ~ spl0_6 ),
    inference(split_clause,[status(thm)],[f540,f454,f500,f506,f461]) ).

fof(f555,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f460,f464,f510,f512,f514,f529,f541]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SWC217-1 : TPTP v8.1.2. Released v2.4.0.
% 0.00/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.09/0.33  % Computer : n001.cluster.edu
% 0.09/0.33  % Model    : x86_64 x86_64
% 0.09/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.33  % Memory   : 8042.1875MB
% 0.09/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.33  % CPULimit : 300
% 0.09/0.33  % WCLimit  : 300
% 0.09/0.33  % DateTime : Tue May 30 11:55:15 EDT 2023
% 0.09/0.33  % CPUTime  : 
% 0.09/0.34  % Drodi V3.5.1
% 0.15/0.35  % Refutation found
% 0.15/0.35  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.15/0.35  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.16/0.58  % Elapsed time: 0.030063 seconds
% 0.16/0.58  % CPU time: 0.018939 seconds
% 0.16/0.58  % Memory used: 4.044 MB
%------------------------------------------------------------------------------