openlane/cntr_example/runs/cntr_example/reports/synthesis/1-synthesis.AREA_0.chk.rpt

18. Executing CHECK pass (checking for obvious problems).
Checking module cntr_example...
Warning: Wire cntr_example.\io_out [37] is used but has no driver.
Warning: Wire cntr_example.\io_out [36] is used but has no driver.
Warning: Wire cntr_example.\io_out [35] is used but has no driver.
Warning: Wire cntr_example.\io_out [34] is used but has no driver.
Warning: Wire cntr_example.\io_out [33] is used but has no driver.
Warning: Wire cntr_example.\io_out [32] is used but has no driver.
Warning: Wire cntr_example.\io_out [31] is used but has no driver.
Warning: Wire cntr_example.\io_out [30] is used but has no driver.
Warning: Wire cntr_example.\io_out [29] is used but has no driver.
Warning: Wire cntr_example.\io_out [28] is used but has no driver.
Warning: Wire cntr_example.\io_out [27] is used but has no driver.
Warning: Wire cntr_example.\io_out [26] is used but has no driver.
Warning: Wire cntr_example.\io_out [25] is used but has no driver.
Warning: Wire cntr_example.\io_out [24] is used but has no driver.
Warning: Wire cntr_example.\io_out [23] is used but has no driver.
Warning: Wire cntr_example.\io_out [22] is used but has no driver.
Warning: Wire cntr_example.\io_out [21] is used but has no driver.
Warning: Wire cntr_example.\io_out [20] is used but has no driver.
Warning: Wire cntr_example.\io_out [19] is used but has no driver.
Warning: Wire cntr_example.\io_out [18] is used but has no driver.
Warning: Wire cntr_example.\io_out [17] is used but has no driver.
Warning: Wire cntr_example.\io_out [16] is used but has no driver.
Warning: Wire cntr_example.\io_out [15] is used but has no driver.
Warning: Wire cntr_example.\io_out [14] is used but has no driver.
Warning: Wire cntr_example.\io_out [13] is used but has no driver.
Warning: Wire cntr_example.\io_out [12] is used but has no driver.
Warning: Wire cntr_example.\io_out [11] is used but has no driver.
Warning: Wire cntr_example.\io_out [10] is used but has no driver.
Warning: Wire cntr_example.\io_out [9] is used but has no driver.
Warning: Wire cntr_example.\io_out [8] is used but has no driver.
Warning: Wire cntr_example.\io_out [7] is used but has no driver.
Warning: Wire cntr_example.\io_out [6] is used but has no driver.
Warning: Wire cntr_example.\io_out [5] is used but has no driver.
Warning: Wire cntr_example.\io_out [4] is used but has no driver.
Warning: Wire cntr_example.\io_out [3] is used but has no driver.
Warning: Wire cntr_example.\io_out [2] is used but has no driver.
Warning: Wire cntr_example.\io_out [1] is used but has no driver.
Warning: Wire cntr_example.\io_out [0] is used but has no driver.
Found and reported 38 problems.