===============  initsem  ===============

ops:
   Rs  SYM2 sema: K_OP T_OP(){send}:T_VOID
   Rs  SYM2 semb: K_OP T_OP(){send}:T_VOID
   Rs  SYM2 semc: K_OP T_OP(){send}:T_VOID
   Rp  SYM2 a: K_OP T_OP(){send}:T_VOID
   Rp  SYM2 b: K_OP T_OP(){send}:T_VOID
   Rs  SYM2 s: K_OP T_OP(){send}:T_VOID
   Rs  SYM2 t: K_OP [1:5]T_OP(){send}:T_VOID
   Rs  SYM2 u: K_OP [1:3][1:2]T_OP(){send}:T_VOID