[Gmsh] Tetrahedron order 5

[Michel Dupront]

Hello,

 I am trying to make a simple structured mesh with tetrahedrons of order 5
using the command line.

I use the following test.geo file:

"""
Point(1) = { 0,  0,  0 };
Point(2) = { 1,  0,  0 };
Line(1) = {1,2};
Transfinite Line{1} = 5 + 1;
l = 1;
Surf[] = Extrude {0,l,0} { Line{1}; Layers{5}; }; 
h = 1;
Vol [] = Extrude {0,0,h} { Surface{Surf[1]}; Layers{5}; };
"""

The command I use is:
gmsh test.geo -3 -order 5 -o test.msh


Up to order 4 it is working fine but with order 5 the mesh is 
created but in the terminal I read the message:

"""
... 
Info    : Meshing volumes order 5...
Info    : Final mesh : Worst Face Distorsion Mapping 1 Gamma 0.828427 Nb elem. (0<d<0.2) = 0
Error   : terahedron order 12 unknown
Error   : Unknown function space 0: reverting to TET_4
Info    : Final mesh : Worst Tetrahedron Smoothness 1 (0 negative jacobians) Worst Gamma 0.508666 Avg Smoothness 1
Info    : Done meshing order 5 (0.068004 s)
Info    : 17576 vertices 1118 elements
Error   : ------------------------------
Error   : Mesh generation error summary
Error   :     0 warnings
Error   :     2 errors
Error   : Check the full log for details
Error   : ------------------------------
Info    : Writing 'test.msh'...
Info    : Done writing 'test.msh'
...
"""

Could somebody tell me what is the meaning of this message.
I tried to find the log file but I could not ... 
Where should this file be saved ?

thanks 
 		 	   		  
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