Pocketsphinx is ignoring the rules of grammar

[pablo fernandez]

I have a grammar like this:

#JSGF V1.0;
grammar test;
<saludo> = (klatu | lumos | niquel);
<action> = (berata | ancalima);
<cosa> = (nikto | acuario);
public <command> = <saludo> <action> <cosa>;

The language model is like this

\data\
ngram 1=10
ngram 2=5
ngram 3=5

\1-grams:
1       <UNK>       
0.5     </s>
0.5     <s>     
0.1     acuario     
0.1     berata      
0.1     klatu       
0.1     nikto   
0.1     niquel
0.1     lumos       
0.1     ancalima        

\2-grams:
1       <s> <UNK>
1       <UNK> <UNK>
0.1     <s> klatu   
0.1     klatu berata    
0.1     lumos ancalima  

\3-grams:
0.1     <s> <s> <UNK> 
0.1     <s> <UNK> <UNK> 
0.1     <UNK> <UNK> <UNK> 
0.1     <s> klatu berata 
0.1     klatu berata nikto

\end\

And the command that launches PocketSphinx is:

pocketsphinx_continuous -dict es2.dict -lm es-20k3.lm -hmm model_parameters/voxforge_es_sphinx.cd_ptm_4000 -inmic yes -jsgf grammar.jsgf

Still, If I say "Berata Klatu Nikto", PocketSphinx transcribes "Berata Klatu Nikto", which I think that should be impossible by the grammar rules (only Klatu Berata Nikto is allowed).

[Nickolay V. Shmyrev]

https://github.com/cmusphinx/pocketsphinx/issues/12

[pablo fernandez]

I see. Thanks