Access violation while running dot on small graphs

Running dot 30.1 on the graph definition below generates an access violation. Please note if the last edge is removed, running dot ends successfully. Is there a anything wrong with the definition below?

digraph G {
graph [aspect=1,
splines=ortho
];
00 -> 02 [minlen=1];
00 -> 03 [minlen=2];
00 -> 04 [minlen=1];
00 -> 05 [minlen=2];
00 -> 06 [minlen=1];
00 -> 07 [minlen=2];
00 -> 08 [minlen=1];
00 -> 09 [minlen=2];
00 -> 10 [minlen=1];
00 -> 11 [minlen=2];
00 -> 12 [minlen=1];
00 -> 13 [minlen=2];
}

The same happens since at least graphviz 28.

Thank you,

Tim

I'm not able to replicate

I'm not able to replicate this problem. What OS and machine are you using?

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