%------------------------------------------------------------------------------
% File     : PyRes---1.3
% Problem  : SYN081-1 : TPTP v8.1.0. 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  : 600s
% DateTime : Thu Jul 21 11:25:16 EDT 2022

% Result   : Unsatisfiable 0.19s 0.50s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : ERROR: Analysing output (Could not find formula named input)

% Comments : 
%------------------------------------------------------------------------------
cnf(clause_2,axiom,
    ( big_f(f(X3))
    | big_f(X3) ),
    input ).

cnf(prove_this,negated_conjecture,
    ( ~ big_f(X5)
    | big_f(f(X5)) ),
    input ).

cnf(c3,plain,
    big_f(f(X6)),
    inference(resolution,status(thm),[prove_this,clause_2]) ).

cnf(clause_1,axiom,
    ( ~ big_f(X2)
    | ~ big_f(f(X2)) ),
    input ).

cnf(c4,plain,
    ~ big_f(X8),
    inference(resolution,status(thm),[c3,clause_1]) ).

cnf(c5,plain,
    $false,
    inference(resolution,status(thm),[c4,c3]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : SYN081-1 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.13  % Command  : pyres-fof.py -tifbsVp -nlargest -HPickGiven5 %s
% 0.12/0.33  % Computer : n027.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 : Mon Jul 11 13:38:19 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.19/0.50  # Version:  1.3
% 0.19/0.50  # SZS status Unsatisfiable
% 0.19/0.50  # SZS output start CNFRefutation
% See solution above
% 0.19/0.50  
% 0.19/0.50  # Initial clauses    : 3
% 0.19/0.50  # Processed clauses  : 5
% 0.19/0.50  # Factors computed   : 0
% 0.19/0.50  # Resolvents computed: 6
% 0.19/0.50  # Tautologies deleted: 1
% 0.19/0.50  # Forward subsumed   : 1
% 0.19/0.50  # Backward subsumed  : 3
% 0.19/0.50  # -------- CPU Time ---------
% 0.19/0.50  # User time          : 0.155 s
% 0.19/0.50  # System time        : 0.013 s
% 0.19/0.50  # Total time         : 0.168 s
%------------------------------------------------------------------------------