%------------------------------------------------------------------------------
% File     : PyRes---1.5
% Problem  : PUZ004-1 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : pyres-fof.py -tifbsVp -nlargest -HPickGiven5 %s

% Computer : n027.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 : Thu May  9 17:37:33 EDT 2024

% Result   : Unsatisfiable 0.20s 0.52s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   11
% Syntax   : Number of clauses     :   21 (  10 unt;   2 nHn;  21 RR)
%            Number of literals    :   32 (   0 equ;  12 neg)
%            Maximal clause size   :    2 (   1 avg)
%            Maximal term depth    :    0 (   0 avg)
%            Number of predicates  :   11 (  10 usr;  11 prp; 0-0 aty)
%            Number of functors    :    0 (   0 usr;   0 con; --- aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(prove_it_cannot_be_read,negated_conjecture,
    can_be_read,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_it_cannot_be_read) ).

cnf(not_filed_if_read,axiom,
    ( ~ can_be_read
    | ~ filed ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',not_filed_if_read) ).

cnf(filed_if_on_blue_paper,axiom,
    ( ~ on_blue_paper
    | filed ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',filed_if_on_blue_paper) ).

cnf(dated_on_blue_paper,axiom,
    ( ~ dated
    | on_blue_paper ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dated_on_blue_paper) ).

cnf(dated_if_on_one_sheet,axiom,
    ( ~ on_one_sheet
    | dated ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dated_if_on_one_sheet) ).

cnf(on_one_sheet_if_crossed,axiom,
    ( on_one_sheet
    | ~ crossed ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',on_one_sheet_if_crossed) ).

cnf(letter_by_brown,plain,
    by_brown,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',letter_by_brown) ).

cnf(brown_starts_with_sir,axiom,
    ( ~ by_brown
    | begins_with_dear_sir ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',brown_starts_with_sir) ).

cnf(c1,plain,
    begins_with_dear_sir,
    inference(resolution,[status(thm)],[brown_starts_with_sir,letter_by_brown]) ).

cnf(no_dear_sirs_in_third_person,axiom,
    ( ~ begins_with_dear_sir
    | ~ in_third_person ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',no_dear_sirs_in_third_person) ).

cnf(black_ink_in_third_person,axiom,
    ( in_third_person
    | ~ in_black_ink ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',black_ink_in_third_person) ).

cnf(not_crossed_in_black_ink,axiom,
    ( crossed
    | in_black_ink ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',not_crossed_in_black_ink) ).

cnf(c0,plain,
    ( crossed
    | in_third_person ),
    inference(resolution,[status(thm)],[not_crossed_in_black_ink,black_ink_in_third_person]) ).

cnf(c4,plain,
    ( crossed
    | ~ begins_with_dear_sir ),
    inference(resolution,[status(thm)],[c0,no_dear_sirs_in_third_person]) ).

cnf(c11,plain,
    crossed,
    inference(resolution,[status(thm)],[c4,c1]) ).

cnf(c12,plain,
    on_one_sheet,
    inference(resolution,[status(thm)],[c11,on_one_sheet_if_crossed]) ).

cnf(c13,plain,
    dated,
    inference(resolution,[status(thm)],[c12,dated_if_on_one_sheet]) ).

cnf(c14,plain,
    on_blue_paper,
    inference(resolution,[status(thm)],[c13,dated_on_blue_paper]) ).

cnf(c15,plain,
    filed,
    inference(resolution,[status(thm)],[c14,filed_if_on_blue_paper]) ).

cnf(c16,plain,
    ~ can_be_read,
    inference(resolution,[status(thm)],[c15,not_filed_if_read]) ).

cnf(c17,plain,
    $false,
    inference(resolution,[status(thm)],[c16,prove_it_cannot_be_read]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : PUZ004-1 : TPTP v8.1.2. Released v1.0.0.
% 0.06/0.13  % Command  : pyres-fof.py -tifbsVp -nlargest -HPickGiven5 %s
% 0.12/0.34  % Computer : n027.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 300
% 0.12/0.34  % DateTime : Wed May  8 20:43:53 EDT 2024
% 0.12/0.34  % CPUTime  : 
% 0.20/0.52  % Version:  1.5
% 0.20/0.52  % SZS status Unsatisfiable
% 0.20/0.52  % SZS output start CNFRefutation
% See solution above
% 0.20/0.52  
% 0.20/0.52  % Initial clauses    : 12
% 0.20/0.52  % Processed clauses  : 23
% 0.20/0.52  % Factors computed   : 0
% 0.20/0.52  % Resolvents computed: 18
% 0.20/0.52  % Tautologies deleted: 0
% 0.20/0.52  % Forward subsumed   : 2
% 0.20/0.52  % Backward subsumed  : 11
% 0.20/0.52  % -------- CPU Time ---------
% 0.20/0.52  % User time          : 0.159 s
% 0.20/0.52  % System time        : 0.013 s
% 0.20/0.52  % Total time         : 0.172 s
%------------------------------------------------------------------------------