This is vmap output of a working testbench another project :
# vmap
# Reading modelsim.ini
# "work" maps to directory ./rtl_work.
# Reading C:/altera_lite/16.0/modelsim_ase/win32aloem/../modelsim.ini
# "std" maps to directory C:/altera_lite/16.0/modelsim_ase/win32aloem/../std.
# "ieee" maps to directory C:/altera_lite/16.0/modelsim_ase/win32aloem/../ieee.
# "verilog" maps to directory C:/altera_lite/16.0/modelsim_ase/win32aloem/../verilog.
# "vital2000" maps to directory C:/altera_lite/16.0/modelsim_ase/win32aloem/../vital2000.
# "std_developerskit" maps to directory C:/altera_lite/16.0/modelsim_ase/win32aloem/../std_developerskit.
# "synopsys" maps to directory C:/altera_lite/16.0/modelsim_ase/win32aloem/../synopsys.
# "modelsim_lib" maps to directory C:/altera_lite/16.0/modelsim_ase/win32aloem/../modelsim_lib.