This is LuaHBTeX, Version 1.13.0 (TeX Live 2021)  (format=lualatex 2021.8.24)  6 FEB 2022 01:11
 restricted system commands enabled.
**hal_prefs.tex
(./hal_prefs.tex
LaTeX2e <2020-10-01> patch level 4
Lua module: luaotfload 2021-01-08 3.17 Lua based OpenType font support
Lua module: lualibs 2020-12-30 2.73 ConTeXt Lua standard libraries.
Lua module: lualibs-extended 2020-12-30 2.73 ConTeXt Lua libraries -- extended c
ollection.
luaotfload | conf : Root cache directory is "/Users/alvisesommariva/Library/texl
ive/2021/texmf-var/luatex-cache/generic/names".
luaotfload | init : Loading fontloader "fontloader-2021-01-07.lua" from kpse-res
olved path "/usr/local/texlive/2021/texmf-dist/tex/luatex/luaotfload/fontloader-
2021-01-07.lua".
Lua-only attribute luaotfload@noligature = 1
Lua-only attribute luaotfload@syllabe = 2
luaotfload | init : Context OpenType loader version 0x1.8e76c8b439581p+1
Inserting `luaotfload.node_processor' at position 1 in `pre_linebreak_filter'.
Inserting `luaotfload.node_processor' at position 1 in `hpack_filter'.
Inserting `luaotfload.glyph_stream' at position 1 in `glyph_stream_provider'.
Inserting `luaotfload.define_font' at position 1 in `define_font'.
Lua-only attribute luaotfload_color_attribute = 3
luaotfload | conf : Root cache directory is "/Users/alvisesommariva/Library/texl
ive/2021/texmf-var/luatex-cache/generic/names".
Inserting `luaotfload.harf.strip_prefix' at position 1 in `find_opentype_file'.
Inserting `luaotfload.harf.strip_prefix' at position 1 in `find_truetype_file'.
Inserting `luaotfload.harf.finalize_vlist' at position 1 in `post_linebreak_filt
er'.
Inserting `luaotfload.harf.finalize_hlist' at position 2 in `hpack_filter'.
Inserting `luaotfload.cleanup_files' at position 1 in `wrapup_run'.
Inserting `luaotfload.harf.finalize_unicode' at position 1 in `finish_pdffile'.
Inserting `luaotfload.glyphinfo' at position 1 in `glyph_info'.
Inserting `luaotfload.aux.set_sscale_dimens' at position 1 in `luaotfload.patch_
font'.
Inserting `luaotfload.aux.set_font_index' at position 2 in `luaotfload.patch_fon
t'.
Inserting `luaotfload.aux.patch_cambria_domh' at position 3 in `luaotfload.patch
_font'.
Inserting `luaotfload.aux.fixup_fontdata' at position 1 in `luaotfload.patch_fon
t_unsafe'.
Inserting `luaotfload.aux.set_capheight' at position 4 in `luaotfload.patch_font
'.
Inserting `luaotfload.aux.set_xheight' at position 5 in `luaotfload.patch_font'.
Inserting `luaotfload.rewrite_fontname' at position 6 in `luaotfload.patch_font'
. L3 programming layer <2021-02-18>

! LaTeX Error: \usepackage before \documentclass.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.3 \usepackage{
              beamerthemesplit}
\usepackage may only appear in the document preamble, i.e.,
between \documentclass and \begin{document}.

! Undefined control sequence.
l.6 \useinnertheme
                [shadow=true]{rounded}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


! LaTeX Error: Missing \begin{document}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.6 \useinnertheme[
                 shadow=true]{rounded}
You're in trouble here.  Try typing  <return>  to proceed.
If that doesn't work, type  X <return>  to quit.


Overfull \hbox (20.0pt too wide) in paragraph at lines 6--8
[][shadow=true]rounded
 []

! Undefined control sequence.
l.10 \usetheme
            {Rochester}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


! LaTeX Error: Missing \begin{document}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.10 \usetheme{R
              ochester}
You're in trouble here.  Try typing  <return>  to proceed.
If that doesn't work, type  X <return>  to quit.

! Undefined control sequence.
l.11 \setbeamertemplate
                     {blocks}[rounded][shadow=false]
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


Overfull \hbox (20.0pt too wide) in paragraph at lines 10--12
[]Rochester
 []

! Undefined control sequence.
l.14 \definecolor
               {bluegreen}{rgb}{3, 166, 155}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


! LaTeX Error: Missing \begin{document}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.14 \definecolor{b
                 luegreen}{rgb}{3, 166, 155}
You're in trouble here.  Try typing  <return>  to proceed.
If that doesn't work, type  X <return>  to quit.

! Undefined control sequence.
l.15 \definecolor
               {pitchblack}{rgb}{0, 0, 0}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.16 \definecolor
               {lightbeige}{rgb}{255, 251, 241}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.17 \definecolor
               {mediumgray}{rgb}{211, 211, 211}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.18 \definecolor
               {mycolor}{RGB}{8,232,222}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.19 \definecolor
               {mycolor2}{RGB}{64,224,208}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.20 \definecolor
               {mycolor3}{RGB}{0,107,90}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.21 \definecolor
               {dark-green}{RGB}{0,100,0}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.22 \definecolor
               {blumagenta}{RGB}{150,41,214}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


Overfull \hbox (20.0pt too wide) in paragraph at lines 14--23
[]bluegreenrgb3,
 []

! Undefined control sequence.
l.25 \setbeamercolor
                   {structure}{fg=mycolor3}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


! LaTeX Error: Missing \begin{document}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.25 \setbeamercolor {s
                     tructure}{fg=mycolor3}
You're in trouble here.  Try typing  <return>  to proceed.
If that doesn't work, type  X <return>  to quit.

! Undefined control sequence.
l.26 \setbeamercolor
                  {background canvas}{bg=white}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.27 \setbeamercolor
                  {title}{bg=mycolor2,fg=black}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.28 \setbeamercolor
                  {normal text}{fg=black}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.29 \setbeamercolor
                  {frametitle}{bg=mycolor2, fg=black}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.30 \setbeamercolor
                  *{palette primary}{bg=mycolor2}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.31 \setbeamercolor
                  *{palette secondary}{bg=mycolor2}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


Overfull \hbox (20.0pt too wide) in paragraph at lines 25--32
[]structurefg=mycolor3
 []


! LaTeX Error: \usepackage before \documentclass.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.37 \usepackage{
               fontspec}
\usepackage may only appear in the document preamble, i.e.,
between \documentclass and \begin{document}.

! Undefined control sequence.
l.38 \setmainfont
               {Hoefler Text}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


! LaTeX Error: Missing \begin{document}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.38 \setmainfont{H
                 oefler Text}
You're in trouble here.  Try typing  <return>  to proceed.
If that doesn't work, type  X <return>  to quit.

! Undefined control sequence.
l.40 \setbeamerfont
                 *{frametitle}{family=\sffamily, size=\normalsize}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

luaotfload | db : Font names database loaded from /Users/alvisesommariva/Library
/texlive/2021/texmf-var/luatex-cache/generic/names/luaotfload-names.luc

! LaTeX Error: The font size command \normalsize is not defined:
               there is probably something wrong with the class file.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.40 ...ametitle}{family=\sffamily, size=\normalsize
                                                  }
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

! Undefined control sequence.
l.41 \setbeamerfont
                 {title}{family=\sffamily}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.42 \setbeamercolor
                  {subsection in head/foot}{bg=mycolor2}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


Overfull \hbox (20.0pt too wide) in paragraph at lines 38--43
[]Hoefler
 []


Overfull \hbox (2.78pt too wide) in paragraph at lines 38--43
*frametitlefamily=\TU/lmss/m/n/10 ,
 []


Overfull \hbox (22.79001pt too wide) in paragraph at lines 38--43
\TU/lmss/m/n/10 size=
 []

! Undefined control sequence.
l.79 \setbeamertemplate
                     {footline}{%
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


! LaTeX Error: Missing \begin{document}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.79 \setbeamertemplate{f
                       ootline}{%
You're in trouble here.  Try typing  <return>  to proceed.
If that doesn't work, type  X <return>  to quit.

! Undefined control sequence.
<argument> \color 
       {gray} \scriptsize \insertframenumber /\inserttotalframenumber \hspace {
l.81 ...alframenumber \hspace{0.5cm} \vspace{1cm}}}}
                                                  \hspace*{5pt}}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
<argument> \color {gray} \scriptsize 
                          \insertframenumber /\inserttotalframenumber \hspace {
l.81 ...alframenumber \hspace{0.5cm} \vspace{1cm}}}}
                                                  \hspace*{5pt}}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
<argument> \color {gray} \scriptsize \insertframenumber 
                                             /\inserttotalframenumber \hspace {
l.81 ...alframenumber \hspace{0.5cm} \vspace{1cm}}}}
                                                  \hspace*{5pt}}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
<argument> ...ze \insertframenumber /\inserttotalframenumber 
                                                  \hspace {0.5cm} \vspace {1cm}
l.81 ...alframenumber \hspace{0.5cm} \vspace{1cm}}}}
                                                  \hspace*{5pt}}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


Overfull \hbox (25.0pt too wide) in paragraph at lines 79--82
[]footline[]|  
 []

! Undefined control sequence.
l.88 \setbeamertemplate
                     {items}[square]
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


! LaTeX Error: Missing \begin{document}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.88 \setbeamertemplate{i
                       tems}[square]
You're in trouble here.  Try typing  <return>  to proceed.
If that doesn't work, type  X <return>  to quit.


Overfull \hbox (20.0pt too wide) in paragraph at lines 88--89
[]items[square] 
 []


! LaTeX Error: \usepackage before \documentclass.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.91 \usepackage{
               graphicx}
\usepackage may only appear in the document preamble, i.e.,
between \documentclass and \begin{document}.


! LaTeX Error: \usepackage before \documentclass.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.92 \usepackage{
               amsmath}
\usepackage may only appear in the document preamble, i.e.,
between \documentclass and \begin{document}.


! LaTeX Error: \usepackage before \documentclass.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.94 \usepackage{
               cancel}
\usepackage may only appear in the document preamble, i.e.,
between \documentclass and \begin{document}.


! LaTeX Error: \usepackage before \documentclass.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.100 \usepackage[english]{
                         babel}
\usepackage may only appear in the document preamble, i.e.,
between \documentclass and \begin{document}.


! LaTeX Error: \usepackage before \documentclass.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.101 \usepackage{
                graphicx,psfrag,color,pst-grad}
\usepackage may only appear in the document preamble, i.e.,
between \documentclass and \begin{document}.


! LaTeX Error: \usepackage before \documentclass.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.102 \usepackage{
                latexsym}
\usepackage may only appear in the document preamble, i.e.,
between \documentclass and \begin{document}.


! LaTeX Error: \usepackage before \documentclass.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.103 \usepackage{
                psboxit,pstricks}
\usepackage may only appear in the document preamble, i.e.,
between \documentclass and \begin{document}.


! LaTeX Error: \usepackage before \documentclass.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.104 \usepackage{
                fancyhdr}
\usepackage may only appear in the document preamble, i.e.,
between \documentclass and \begin{document}.


! LaTeX Error: \usepackage before \documentclass.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.105 \usepackage{
                fancyvrb}
\usepackage may only appear in the document preamble, i.e.,
between \documentclass and \begin{document}.


! LaTeX Error: \usepackage before \documentclass.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.107 \usepackage{
                float}
\usepackage may only appear in the document preamble, i.e.,
between \documentclass and \begin{document}.

! Undefined control sequence.
l.108 \floatstyle
               {ruled}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


! LaTeX Error: Missing \begin{document}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.108 \floatstyle{r
                 uled}
You're in trouble here.  Try typing  <return>  to proceed.
If that doesn't work, type  X <return>  to quit.

! Undefined control sequence.
l.109 \newfloat
             {program}{thp}{lop}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.110 \floatname
              {program}{Codice}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.111 \pdfpagewidth
                  8.5in
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


Overfull \hbox (20.0pt too wide) in paragraph at lines 108--113
[]ruled
 []


! LaTeX Error: \usepackage before \documentclass.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.114 \usepackage{
                calc}
\usepackage may only appear in the document preamble, i.e.,
between \documentclass and \begin{document}.


! LaTeX Error: \usepackage before \documentclass.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.115 \usepackage{
                multicol}
\usepackage may only appear in the document preamble, i.e.,
between \documentclass and \begin{document}.


! LaTeX Error: \usepackage before \documentclass.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.117 \usepackage{
                listings}
\usepackage may only appear in the document preamble, i.e.,
between \documentclass and \begin{document}.


! LaTeX Error: \usepackage before \documentclass.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.118 \usepackage{
                color}
\usepackage may only appear in the document preamble, i.e.,
between \documentclass and \begin{document}.


! LaTeX Error: \usepackage before \documentclass.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.119 \usepackage{
                textcomp}
\usepackage may only appear in the document preamble, i.e.,
between \documentclass and \begin{document}.

! Undefined control sequence.
l.172 \definecolor
                {gray}{rgb}{0.5,0.5,0.5}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


! LaTeX Error: Missing \begin{document}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.172 \definecolor{g
                  ray}{rgb}{0.5,0.5,0.5}
You're in trouble here.  Try typing  <return>  to proceed.
If that doesn't work, type  X <return>  to quit.

! Undefined control sequence.
l.173 \definecolor
                {light-gray}{gray}{0.90}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.174 \definecolor
                {floralwhite}{rgb}{1.0, 0.98, 0.94}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.175 \definecolor
                {dkgreen}{rgb}{0,0.6,0}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.176 \definecolor
                {gray}{rgb}{0.5,0.5,0.5}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.177 \definecolor
                {mauve}{rgb}{0.58,0,0.82}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


Overfull \hbox (20.0pt too wide) in paragraph at lines 172--178
[]grayrgb0.5,0.5,0.5
 []

! Undefined control sequence.
l.201 \setbeamercolor
                   {block title}{parent=date in head/foot,fg=white} % Titre ...
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


! LaTeX Error: Missing \begin{document}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.201 \setbeamercolor{b
                     lock title}{parent=date in head/foot,fg=white} % Titre ...
You're in trouble here.  Try typing  <return>  to proceed.
If that doesn't work, type  X <return>  to quit.

! Undefined control sequence.
l.202 \setbeamercolor
                   {block body}{bg=structure!15} % Couleur de fond des blocs
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.203 \setbeamercolor
                   {uppercolgreen}{fg=white,bg=green!35}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.204 \setbeamercolor
                   {lowercolgreen}{fg=black,bg=green!20}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.205 \setbeamercolor
                   {lowercolblue}{fg=black,bg=blue!20}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.206 \setbeamercolor
                   {verdemio}{fg=black,bg=green}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.207 \setbeamercolor
                   {bgcolor}{fg=black,bg=yellow}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.208 \setbeamercolor
                   {rosso}{fg=black,bg=red}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


Overfull \hbox (20.0pt too wide) in paragraph at lines 201--209
[]block
 []

\c@Esercizio1=\count175
\c@Esercizio2=\count176

! LaTeX Error: No counter 'theorem' defined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.256 \newtheorem{remark}[theorem]{Remark}
                                        
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

\c@teorema=\count177

! LaTeX Error: No counter 'section' defined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.269 \newtheorem{teorema}{Teorema}[section]
                                          
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

\c@corollario=\count178

! LaTeX Error: No counter 'section' defined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.270 \newtheorem{corollario}{Corollario}[section]
                                                
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

\c@definizione=\count179

! LaTeX Error: No counter 'section' defined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.271 \newtheorem{definizione}{Definizione}[section]
                                                  
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

\c@dimostrazione=\count180

! LaTeX Error: No counter 'section' defined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.272 ...rem{dimostrazione}{Dimostrazione.}[section]
                                                  
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

\c@nota=\count181

! LaTeX Error: No counter 'section' defined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.273 \newtheorem{nota}{Nota.}[section]
                                     
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

\c@metodo=\count182

! LaTeX Error: No counter 'section' defined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.274 \newtheorem{metodo}{Metodo}[section]
                                        
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

\c@facoltativo=\count183

! LaTeX Error: No counter 'section' defined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.275 ...theorem{facoltativo}{Facoltativo.}[section]
                                                  
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

\c@facoltativa=\count184

! LaTeX Error: No counter 'section' defined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.276 ...ativa}{Dimostrazione facoltativa.}[section]
                                                  
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

\c@svolgimento=\count185

! LaTeX Error: No counter 'section' defined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.277 ...theorem{svolgimento}{Svolgimento.}[section]
                                                  
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

\c@importante=\count186

! LaTeX Error: No counter 'section' defined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.278 \newtheorem{importante}{Importante.}[section]
                                                 
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

\c@problema=\count187

! LaTeX Error: No counter 'section' defined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.279 \newtheorem{problema}{Problema.}[section]
                                             
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

\c@notazione=\count188

! LaTeX Error: No counter 'section' defined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.280 \newtheorem{notazione}{Notazione.}[section]
                                               
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

\c@proposizione=\count189

! LaTeX Error: No counter 'section' defined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.281 ...eorem{proposizione}{Proposizione.}[section]
                                                  
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

\c@proposito=\count190

! LaTeX Error: No counter 'section' defined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.282 \newtheorem{proposito}{Proposito.}[section]
                                               
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

\c@traccia=\count191

! LaTeX Error: No counter 'section' defined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.283 \newtheorem{traccia}{Traccia.}[section]
                                           
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

\c@vuoto=\count192

! LaTeX Error: No counter 'section' defined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.284 \newtheorem{vuoto}{}[section]
                                 
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

\c@esempio=\count193

! LaTeX Error: No counter 'section' defined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.285 \newtheorem{esempio}{Esempio}[section]
                                          
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

\c@esercizio=\count194

! LaTeX Error: No counter 'section' defined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.286 \newtheorem{esercizio}{Esercizio}[section]
                                              
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

\c@eserciziocasa=\count195

! LaTeX Error: No counter 'section' defined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.287 ...eserciziocasa}{Esercizio per casa}[section]
                                                  
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.


! LaTeX Error: Command \figurename undefined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.295 \renewcommand{\figurename}
                              {Figure}
Try typing  <return>  to proceed.
If that doesn't work, type  X <return>  to quit.

! Undefined control sequence.
l.326 \lstset
           {
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


! LaTeX Error: Missing \begin{document}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.327 l
     anguage=Matlab,                % the language of the code
You're in trouble here.  Try typing  <return>  to proceed.
If that doesn't work, type  X <return>  to quit.

! Undefined control sequence.
l.328 basicstyle=\tiny
                    ,       % the size of the fonts that are used for the code
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.330 numberstyle=\small
                      ,      % the size of the fonts that are used for the l...
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.334 backgroundcolor=\color
                          {gray!35},  % choose the background color. You mus...
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.343 title=\lstname
                  ,                 % show the filename of files included wi...
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.348 keywordstyle=\color
                       [rgb]{0,0,1},
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.349 commentstyle=\color
                       [rgb]{0.133,0.545,0.133},
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.350 stringstyle=\color
                      [rgb]{0.627,0.126,0.941}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


Overfull \hbox (20.0pt too wide) in paragraph at lines 327--352
[]language=Matlab,
 []


Overfull \hbox (5.25pt too wide) in paragraph at lines 327--352
identifierstyle=\TU/lmtt/m/n/10 ,
 []


Overfull \hbox (126.0pt too wide) in paragraph at lines 327--352
\TU/lmtt/m/n/10 keywordstyle=[rgb]0,0,1,
 []


Overfull \hbox (189.0pt too wide) in paragraph at lines 327--352
\TU/lmtt/m/n/10 commentstyle=[rgb]0.133,0.545,0.133,
 []


Overfull \hbox (178.5pt too wide) in paragraph at lines 327--352
\TU/lmtt/m/n/10 stringstyle=[rgb]0.627,0.126,0.941
 []

\c@Proposition=\count196
! Undefined control sequence.
l.401 \setbeamertemplate
                      {navigation symbols}{} %no nav symbols
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


! LaTeX Error: Missing \begin{document}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.401 \setbeamertemplate{n
                        avigation symbols}{} %no nav symbols
You're in trouble here.  Try typing  <return>  to proceed.
If that doesn't work, type  X <return>  to quit.

)
! Emergency stop.
<*> hal_prefs.tex
              
*** (job aborted, no legal \end found)



Here is how much of LuaTeX's memory you used:
 264 strings out of 478531
 100000,383344 words of node,token memory allocated 11686 words of node memory still in use:
   45 hlist, 1 rule, 1 adjust, 2 disc, 12 local_par, 1 dir, 153 glue, 3 kern, 21
 penalty, 1318 glyph, 133 attribute, 39 glue_spec, 133 attribute_list, 1 temp no
des
   avail lists: 3:1,4:18,5:5,7:3,10:17
 20341 multiletter control sequences out of 65536+600000
 28 fonts using 3022399 bytes
 27i,4n,34p,136b,80s stack positions out of 5000i,500n,10000p,200000b,80000s
!  ==> Fatal error occurred, no output PDF file produced!