warn: Entering event queue @ 0. Starting simulation...
-warn: Increasing stack 0x11ff92000:0x11ff9b000 to 0x11ff90000:0x11ff9b000 because of access to 0x11ff91ff8
-warn: ignoring syscall sigprocmask(1, 18446744073709547831, ...)
+warn: Increasing stack 0x11ff92000:0x11ff9b000 to 0x11ff90000:0x11ff9b000 because of access to 0x11ff91ff0