 --> [ local path prefix ]/state_machine_instance/undef_state_machine.fpp:3:30
  |
3 |   state machine instance s1: S
  |                              ^ cannot find state machine `S` in scope

 --> [ local path prefix ]/state_machine_instance/undef_state_machine.fpp:1:1
  |
1 | / active component C {
2 | |
3 | |   state machine instance s1: S
4 | |
5 | | }
  | |_^ active component must have async input

