api_location: ["msvcrt.dll", "msvcr80.dll", "msvcr90.dll", "msvcr100.dll", "msvcr100_clr0400.dll", "msvcr110.dll", "msvcr110_clr0400.dll", "msvcr120.dll", "msvcr120 ...

the function ceil meant to be used to round up value or by another meaning to return smallest value that equal to underlying value or greater, however there is a critical issue in the ceil function ...