%------------------------------------------------------------------------------
% File     : PyRes---1.3
% Problem  : PUZ035-4 : TPTP v8.1.0. Released v2.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : pyres-fof.py -tifbsVp -nlargest -HPickGiven5 %s

% Computer : n025.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 18:24:14 EDT 2022

% Result   : Unsatisfiable 0.38s 0.59s
% Output   : Refutation 0.38s
% Verified : 
% SZS Type : ERROR: Analysing output (Could not find formula named input)

% Comments : 
%------------------------------------------------------------------------------
cnf(prove_answer,negated_conjecture,
    ( ~ truth(isa(asked,X22))
    | ~ truth(isa(other,X20))
    | ~ says(asked,X21) ),
    input ).

cnf(other_person,axiom,
    person(other),
    input ).

cnf(everyone_a_knight_or_knave,axiom,
    ( ~ person(X7)
    | truth(isa(X7,knight))
    | truth(isa(X7,knave)) ),
    input ).

cnf(c0,plain,
    ( truth(isa(other,knight))
    | truth(isa(other,knave)) ),
    inference(resolution,status(thm),[everyone_a_knight_or_knave,other_person]) ).

cnf(c11,plain,
    ( ~ truth(isa(asked,X25))
    | ~ says(asked,X24)
    | truth(isa(other,knave)) ),
    inference(resolution,status(thm),[prove_answer,c0]) ).

cnf(asked_person,axiom,
    person(asked),
    input ).

cnf(c1,plain,
    ( truth(isa(asked,knight))
    | truth(isa(asked,knave)) ),
    inference(resolution,status(thm),[everyone_a_knight_or_knave,asked_person]) ).

cnf(c15,plain,
    ( ~ says(asked,X28)
    | truth(isa(other,knave))
    | truth(isa(asked,knight)) ),
    inference(resolution,status(thm),[c11,c1]) ).

cnf(one_is_knight_answer,axiom,
    ( says(asked,or(isa(asked,knight),isa(other,knight)))
    | says(asked,not(or(isa(asked,knight),isa(other,knight)))) ),
    input ).

cnf(c20,plain,
    ( truth(isa(other,knave))
    | truth(isa(asked,knight))
    | says(asked,or(isa(asked,knight),isa(other,knight))) ),
    inference(resolution,status(thm),[c15,one_is_knight_answer]) ).

cnf(c44,plain,
    ( truth(isa(other,knave))
    | truth(isa(asked,knight)) ),
    inference(resolution,status(thm),[c20,c15]) ).

cnf(c54,plain,
    ( truth(isa(other,knave))
    | ~ says(asked,X32) ),
    inference(resolution,status(thm),[c44,c11]) ).

cnf(c59,plain,
    ( truth(isa(other,knave))
    | says(asked,or(isa(asked,knight),isa(other,knight))) ),
    inference(resolution,status(thm),[c54,one_is_knight_answer]) ).

cnf(c86,plain,
    truth(isa(other,knave)),
    inference(resolution,status(thm),[c59,c54]) ).

cnf(c88,plain,
    ( ~ truth(isa(asked,X41))
    | ~ says(asked,X40) ),
    inference(resolution,status(thm),[c86,prove_answer]) ).

cnf(c51,plain,
    ( truth(isa(asked,knight))
    | ~ truth(isa(asked,X35))
    | ~ says(asked,X34) ),
    inference(resolution,status(thm),[c44,prove_answer]) ).

cnf(c61,plain,
    ( truth(isa(asked,knight))
    | ~ says(asked,X36) ),
    inference(resolution,status(thm),[c51,c1]) ).

cnf(c76,plain,
    ( truth(isa(asked,knight))
    | says(asked,or(isa(asked,knight),isa(other,knight))) ),
    inference(resolution,status(thm),[c61,one_is_knight_answer]) ).

cnf(c111,plain,
    truth(isa(asked,knight)),
    inference(resolution,status(thm),[c76,c61]) ).

cnf(c124,plain,
    ~ says(asked,X44),
    inference(resolution,status(thm),[c111,c88]) ).

cnf(c129,plain,
    says(asked,or(isa(asked,knight),isa(other,knight))),
    inference(resolution,status(thm),[c124,one_is_knight_answer]) ).

cnf(c133,plain,
    $false,
    inference(resolution,status(thm),[c129,c124]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : PUZ035-4 : TPTP v8.1.0. Released v2.0.0.
% 0.06/0.12  % Command  : pyres-fof.py -tifbsVp -nlargest -HPickGiven5 %s
% 0.12/0.33  % Computer : n025.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Sat May 28 23:06:56 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.38/0.59  # Version:  1.3
% 0.38/0.59  # SZS status Unsatisfiable
% 0.38/0.59  # SZS output start CNFRefutation
% See solution above
% 0.38/0.59  
% 0.38/0.59  # Initial clauses    : 14
% 0.38/0.59  # Processed clauses  : 45
% 0.38/0.59  # Factors computed   : 0
% 0.38/0.59  # Resolvents computed: 134
% 0.38/0.59  # Tautologies deleted: 2
% 0.38/0.59  # Forward subsumed   : 13
% 0.38/0.59  # Backward subsumed  : 26
% 0.38/0.59  # -------- CPU Time ---------
% 0.38/0.59  # User time          : 0.249 s
% 0.38/0.59  # System time        : 0.011 s
% 0.38/0.59  # Total time         : 0.260 s
%------------------------------------------------------------------------------