TSTP Solution File: SWC256-1 by Drodi---3.6.0

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%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : SWC256-1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%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 20:45:06 EDT 2024

% Result   : Unsatisfiable 0.14s 0.37s
% Output   : CNFRefutation 0.14s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :   16
% Syntax   : Number of formulae    :   53 (  13 unt;   0 def)
%            Number of atoms       :  119 (  22 equ)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :  129 (  63   ~;  60   |;   0   &)
%                                         (   6 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :   12 (  10 usr;   7 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   6 con; 0-2 aty)
%            Number of variables   :   19 (  19   !;   0   ?)

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

fof(f86,axiom,
    ! [U,V] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ssList(cons(U,V)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f115,axiom,
    ! [U,V] :
      ( U != V
      | ~ neq(U,V)
      | ~ ssList(V)
      | ~ ssList(U) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f116,axiom,
    ! [U,V] :
      ( cons(U,nil) != V
      | ~ ssItem(U)
      | ~ ssList(V)
      | singletonP(V) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

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

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

fof(f192,negated_conjecture,
    neq(sk2,nil),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f193,negated_conjecture,
    ~ singletonP(sk1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f194,negated_conjecture,
    ( ssItem(sk5)
    | nil = sk4 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

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

fof(f207,plain,
    ssList(nil),
    inference(cnf_transformation,[status(esa)],[f8]) ).

fof(f286,plain,
    ! [X0,X1] :
      ( ~ ssItem(X0)
      | ~ ssList(X1)
      | ssList(cons(X0,X1)) ),
    inference(cnf_transformation,[status(esa)],[f86]) ).

fof(f320,plain,
    ! [U] :
      ( ! [V] :
          ( U != V
          | ~ neq(U,V)
          | ~ ssList(V) )
      | ~ ssList(U) ),
    inference(miniscoping,[status(esa)],[f115]) ).

fof(f321,plain,
    ! [X0,X1] :
      ( X0 != X1
      | ~ neq(X0,X1)
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(esa)],[f320]) ).

fof(f322,plain,
    ! [V] :
      ( ! [U] :
          ( cons(U,nil) != V
          | ~ ssItem(U) )
      | ~ ssList(V)
      | singletonP(V) ),
    inference(miniscoping,[status(esa)],[f116]) ).

fof(f323,plain,
    ! [X0,X1] :
      ( cons(X0,nil) != X1
      | ~ ssItem(X0)
      | ~ ssList(X1)
      | singletonP(X1) ),
    inference(cnf_transformation,[status(esa)],[f322]) ).

fof(f434,plain,
    sk2 = sk4,
    inference(cnf_transformation,[status(esa)],[f190]) ).

fof(f435,plain,
    sk1 = sk3,
    inference(cnf_transformation,[status(esa)],[f191]) ).

fof(f436,plain,
    neq(sk2,nil),
    inference(cnf_transformation,[status(esa)],[f192]) ).

fof(f437,plain,
    ~ singletonP(sk1),
    inference(cnf_transformation,[status(esa)],[f193]) ).

fof(f438,plain,
    ( ssItem(sk5)
    | nil = sk4 ),
    inference(cnf_transformation,[status(esa)],[f194]) ).

fof(f440,plain,
    ( cons(sk5,nil) = sk3
    | nil = sk4 ),
    inference(cnf_transformation,[status(esa)],[f196]) ).

fof(f451,plain,
    ( spl0_2
  <=> ssItem(sk5) ),
    introduced(split_symbol_definition) ).

fof(f454,plain,
    ( spl0_3
  <=> nil = sk4 ),
    introduced(split_symbol_definition) ).

fof(f455,plain,
    ( nil = sk4
    | ~ spl0_3 ),
    inference(component_clause,[status(thm)],[f454]) ).

fof(f457,plain,
    ( spl0_2
    | spl0_3 ),
    inference(split_clause,[status(thm)],[f438,f451,f454]) ).

fof(f462,plain,
    ( spl0_5
  <=> cons(sk5,nil) = sk3 ),
    introduced(split_symbol_definition) ).

fof(f463,plain,
    ( cons(sk5,nil) = sk3
    | ~ spl0_5 ),
    inference(component_clause,[status(thm)],[f462]) ).

fof(f465,plain,
    ( spl0_5
    | spl0_3 ),
    inference(split_clause,[status(thm)],[f440,f462,f454]) ).

fof(f479,plain,
    ! [X1] :
      ( ~ neq(X1,X1)
      | ~ ssList(X1)
      | ~ ssList(X1) ),
    inference(destructive_equality_resolution,[status(esa)],[f321]) ).

fof(f480,plain,
    ! [X0] :
      ( ~ neq(X0,X0)
      | ~ ssList(X0) ),
    inference(duplicate_literals_removal,[status(esa)],[f479]) ).

fof(f481,plain,
    ! [X0] :
      ( ~ ssItem(X0)
      | ~ ssList(cons(X0,nil))
      | singletonP(cons(X0,nil)) ),
    inference(destructive_equality_resolution,[status(esa)],[f323]) ).

fof(f507,plain,
    ( nil = sk2
    | ~ spl0_3 ),
    inference(forward_demodulation,[status(thm)],[f434,f455]) ).

fof(f508,plain,
    ( neq(nil,nil)
    | ~ spl0_3 ),
    inference(backward_demodulation,[status(thm)],[f507,f436]) ).

fof(f512,plain,
    ( ~ ssList(nil)
    | ~ spl0_3 ),
    inference(resolution,[status(thm)],[f508,f480]) ).

fof(f513,plain,
    ( $false
    | ~ spl0_3 ),
    inference(forward_subsumption_resolution,[status(thm)],[f512,f207]) ).

fof(f514,plain,
    ~ spl0_3,
    inference(contradiction_clause,[status(thm)],[f513]) ).

fof(f515,plain,
    ( spl0_7
  <=> ssList(nil) ),
    introduced(split_symbol_definition) ).

fof(f517,plain,
    ( ~ ssList(nil)
    | spl0_7 ),
    inference(component_clause,[status(thm)],[f515]) ).

fof(f527,plain,
    ( $false
    | spl0_7 ),
    inference(forward_subsumption_resolution,[status(thm)],[f517,f207]) ).

fof(f528,plain,
    spl0_7,
    inference(contradiction_clause,[status(thm)],[f527]) ).

fof(f562,plain,
    ( cons(sk5,nil) = sk1
    | ~ spl0_5 ),
    inference(backward_demodulation,[status(thm)],[f435,f463]) ).

fof(f568,plain,
    ( spl0_11
  <=> ssList(sk1) ),
    introduced(split_symbol_definition) ).

fof(f587,plain,
    ( spl0_14
  <=> singletonP(cons(sk5,nil)) ),
    introduced(split_symbol_definition) ).

fof(f588,plain,
    ( singletonP(cons(sk5,nil))
    | ~ spl0_14 ),
    inference(component_clause,[status(thm)],[f587]) ).

fof(f592,plain,
    ( singletonP(sk1)
    | ~ spl0_5
    | ~ spl0_14 ),
    inference(forward_demodulation,[status(thm)],[f562,f588]) ).

fof(f593,plain,
    ( $false
    | ~ spl0_5
    | ~ spl0_14 ),
    inference(forward_subsumption_resolution,[status(thm)],[f592,f437]) ).

fof(f594,plain,
    ( ~ spl0_5
    | ~ spl0_14 ),
    inference(contradiction_clause,[status(thm)],[f593]) ).

fof(f604,plain,
    ( ~ ssItem(sk5)
    | ~ ssList(nil)
    | ssList(sk1)
    | ~ spl0_5 ),
    inference(paramodulation,[status(thm)],[f562,f286]) ).

fof(f605,plain,
    ( ~ spl0_2
    | ~ spl0_7
    | spl0_11
    | ~ spl0_5 ),
    inference(split_clause,[status(thm)],[f604,f451,f515,f568,f462]) ).

fof(f616,plain,
    ( ~ ssItem(sk5)
    | ~ ssList(sk1)
    | singletonP(cons(sk5,nil))
    | ~ spl0_5 ),
    inference(paramodulation,[status(thm)],[f562,f481]) ).

fof(f617,plain,
    ( ~ spl0_2
    | ~ spl0_11
    | spl0_14
    | ~ spl0_5 ),
    inference(split_clause,[status(thm)],[f616,f451,f568,f587,f462]) ).

fof(f618,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f457,f465,f514,f528,f594,f605,f617]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : SWC256-1 : TPTP v8.1.2. Released v2.4.0.
% 0.07/0.14  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.14/0.35  % Computer : n011.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Tue Apr 30 00:13:31 EDT 2024
% 0.14/0.35  % CPUTime  : 
% 0.14/0.37  % Drodi V3.6.0
% 0.14/0.37  % Refutation found
% 0.14/0.37  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.14/0.37  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.14/0.39  % Elapsed time: 0.029528 seconds
% 0.14/0.39  % CPU time: 0.049219 seconds
% 0.14/0.39  % Total memory used: 14.434 MB
% 0.14/0.39  % Net memory used: 14.405 MB
%------------------------------------------------------------------------------