To avoid this warning in the future, remove this statement from the LEF file with version 5.6 or later. See file /home/hosni/caravel/openlane/housekeeping/runs/22_10_16_03_09/tmp/merged.nom.lef at line 930.
[WARNING PSM-0016] Voltage pad location (VSRC) file not specified, defaulting pad location to checkerboard pattern on core area.
[WARNING PSM-0017] X direction bump pitch is not specified, defaulting to 140um.
[WARNING PSM-0018] Y direction bump pitch is not specified, defaulting to 140um.
[WARNING PSM-0019] Voltage on net VPWR is not explicitly set.
[WARNING PSM-0022] Using voltage 1.800V for VDD network.
[WARNING PSM-0065] VSRC location not specified, using default checkerboard pattern with one VDD every size bumps in x-direction and one in two bumps in the y-direction
[INFO PSM-0076] Setting metal node density to be standard cell height times 5.
[WARNING PSM-0030] VSRC location at (114.920um, 134.720um) and size 10.000um, is not located on an existing power stripe node. Moving to closest node at (175.440um, 180.470um).
[INFO PSM-0031] Number of PDN nodes on net VPWR = 4985.
[INFO PSM-0064] Number of voltage sources = 1.
[INFO PSM-0040] All PDN stripes on net VPWR are connected.