It is possible driver verifier doesn't find anything yes.
If the 48h have passed and still nothing from driver verifier, you may want to change the settings to the following.
Code:
STANDARD FLAGS:
[X] (0x00000000) Automatic Checks
[X] (0x00000001) Special pool
[X] (0x00000002) Force IRQL checking
[X] (0x00000008) Pool tracking
[ ] (0x00000010) I/O verification
[X] (0x00000020) Deadlock detection
[ ] (0x00000080) DMA checking
[X] (0x00000100) Security checks
[X] (0x00000800) Miscellaneous checks
[X] (0x00020000) DDI compliance checking
ADDITIONAL FLAGS:
[ ] (0x00000004) Randomized low resources simulation
[ ] (0x00000200) Force pending I/O requests
[ ] (0x00000400) IRP logging
[ ] (0x00002000) Invariant MDL checking for stack
[ ] (0x00004000) Invariant MDL checking for driver
[X] (0x00008000) Power framework delay fuzzing
[ ] (0x00010000) Port/miniport interface checking
[ ] (0x00040000) Systematic low resources simulation
[ ] (0x00080000) DDI compliance checking (additional)
[ ] (0x00200000) NDIS/WIFI verification
[ ] (0x00800000) Kernel synchronization delay fuzzing
[ ] (0x01000000) VM switch verification
[ ] (0x02000000) Code integrity checks
[X] Indicates flag is enabled
FYI, there is a possibility not every setting is available for your Windows version. Certain settings have been added after a new version of Windows, like security checks have been added since Windows 7 and Power framework delay fuzzing since Windows 8.