%------------------------------------------------------------------------------
% File     : PyRes---1.3
% Problem  : SYN079-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : pyres-fof.py -tifbsVp -nlargest -HPickGiven5 %s

% Computer : n014.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 11:25:15 EDT 2022

% Result   : Unsatisfiable 0.18s 0.53s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : ERROR: Analysing output (Could not find formula named input)

% Comments : 
%------------------------------------------------------------------------------
cnf(prove_this,negated_conjecture,
    ~ big_f(f(a,b),f(a,c)),
    input ).

cnf(clause_1,axiom,
    big_f(f(a,b),f(b,c)),
    input ).

cnf(clause_3,axiom,
    ( ~ big_f(X2,X3)
    | ~ big_f(X3,X4)
    | big_f(X2,X4) ),
    input ).

cnf(clause_2,axiom,
    big_f(f(b,c),f(a,c)),
    input ).

cnf(c1,plain,
    ( ~ big_f(X6,f(b,c))
    | big_f(X6,f(a,c)) ),
    inference(resolution,status(thm),[clause_2,clause_3]) ).

cnf(c2,plain,
    big_f(f(a,b),f(a,c)),
    inference(resolution,status(thm),[c1,clause_1]) ).

cnf(c4,plain,
    $false,
    inference(resolution,status(thm),[c2,prove_this]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SYN079-1 : TPTP v8.1.0. Released v1.0.0.
% 0.00/0.12  % Command  : pyres-fof.py -tifbsVp -nlargest -HPickGiven5 %s
% 0.12/0.33  % Computer : n014.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 : Tue Jul 12 04:43:04 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.18/0.53  # Version:  1.3
% 0.18/0.53  # SZS status Unsatisfiable
% 0.18/0.53  # SZS output start CNFRefutation
% See solution above
% 0.18/0.53  
% 0.18/0.53  # Initial clauses    : 4
% 0.18/0.53  # Processed clauses  : 7
% 0.18/0.53  # Factors computed   : 0
% 0.18/0.53  # Resolvents computed: 5
% 0.18/0.53  # Tautologies deleted: 0
% 0.18/0.53  # Forward subsumed   : 0
% 0.18/0.53  # Backward subsumed  : 0
% 0.18/0.53  # -------- CPU Time ---------
% 0.18/0.53  # User time          : 0.183 s
% 0.18/0.53  # System time        : 0.011 s
% 0.18/0.53  # Total time         : 0.194 s
%------------------------------------------------------------------------------