Aggregation and Interpolation of Sentinel products - should I use snappy or GDAL tools?

It seems that after defining additional parameters:

parameters.put(‘demName’, “SRTM 3Sec”)
parameters.put(‘externalDEMApplyEGM’, True)
parameters.put(‘pixelSpacingInMeter’, “0.0”)
parameters.put(‘nodataValueAtSea’, True)

it works properly now