%------------------------------------------------------------------------------
% File     : PyRes---1.3
% Problem  : PUZ009-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : pyres-fof.py -tifbsVp -nlargest -HPickGiven5 %s

% Computer : n020.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  : 600s
% DateTime : Mon Jul 18 18:24:09 EDT 2022

% Result   : Unsatisfiable 0.20s 0.53s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : ERROR: Analysing output (Could not find formula named input)

% Comments : 
%------------------------------------------------------------------------------
cnf(c6,axiom,
    ( ~ c_is_a_knight
    | ~ d_is_a_knight ),
    input ).

cnf(c18,negated_conjecture,
    b_is_a_knight,
    input ).

cnf(c1,axiom,
    ( ~ a_is_a_knight
    | ~ b_is_a_knight ),
    input ).

cnf(c0,plain,
    ~ a_is_a_knight,
    inference(resolution,status(thm),[c1,c18]) ).

cnf(c17,axiom,
    ( a_is_a_knight
    | ~ c_is_a_knight ),
    input ).

cnf(c5,axiom,
    ( ~ b_is_a_knight
    | c_is_a_knight
    | d_is_a_knight ),
    input ).

cnf(c2,plain,
    ( c_is_a_knight
    | d_is_a_knight ),
    inference(resolution,status(thm),[c5,c18]) ).

cnf(c4,plain,
    ( d_is_a_knight
    | a_is_a_knight ),
    inference(resolution,status(thm),[c2,c17]) ).

cnf(c9,plain,
    d_is_a_knight,
    inference(resolution,status(thm),[c4,c0]) ).

cnf(c11,plain,
    ~ c_is_a_knight,
    inference(resolution,status(thm),[c9,c6]) ).

cnf(c16,axiom,
    ( a_is_a_knight
    | e_is_a_knight ),
    input ).

cnf(c3,plain,
    e_is_a_knight,
    inference(resolution,status(thm),[c16,c0]) ).

cnf(c10,axiom,
    ( ~ e_is_a_knight
    | ~ d_is_a_knight
    | c_is_a_knight ),
    input ).

cnf(c5_001,plain,
    ( c_is_a_knight
    | ~ e_is_a_knight ),
    inference(resolution,status(thm),[c2,c10]) ).

cnf(c12,plain,
    c_is_a_knight,
    inference(resolution,status(thm),[c5,c3]) ).

cnf(c13,plain,
    $false,
    inference(resolution,status(thm),[c12,c11]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.12  % Problem  : PUZ009-1 : TPTP v8.1.0. Released v1.0.0.
% 0.08/0.13  % Command  : pyres-fof.py -tifbsVp -nlargest -HPickGiven5 %s
% 0.13/0.35  % Computer : n020.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  : 600
% 0.13/0.35  % DateTime : Sun May 29 02:56:39 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.20/0.53  # Version:  1.3
% 0.20/0.53  # SZS status Unsatisfiable
% 0.20/0.53  # SZS output start CNFRefutation
% See solution above
% 0.20/0.53  
% 0.20/0.53  # Initial clauses    : 18
% 0.20/0.53  # Processed clauses  : 17
% 0.20/0.53  # Factors computed   : 0
% 0.20/0.53  # Resolvents computed: 14
% 0.20/0.53  # Tautologies deleted: 0
% 0.20/0.53  # Forward subsumed   : 8
% 0.20/0.53  # Backward subsumed  : 11
% 0.20/0.53  # -------- CPU Time ---------
% 0.20/0.53  # User time          : 0.160 s
% 0.20/0.53  # System time        : 0.019 s
% 0.20/0.53  # Total time         : 0.179 s
%------------------------------------------------------------------------------