[simp] Diagnostics
  [simp] used theorems (max: 50, num: 2):
    [simp] f_eq ↦ 50
    [simp] q_eq ↦ 50
  [simp] tried theorems (max: 51, num: 2):
    [simp] f_eq ↦ 51, succeeded: 50
    [simp] q_eq ↦ 50, succeeded: 50
  use `set_option diagnostics.threshold <num>` to control threshold for reporting counters
[simp] Diagnostics
  [simp] used theorems (max: 1, num: 1):
    [simp] q1_ax ↦ 1
  [simp] tried theorems (max: 1, num: 1):
    [simp] q1_ax ↦ 1, succeeded: 1
  use `set_option diagnostics.threshold <num>` to control threshold for reporting counters
[diag] Diagnostics
  [reduction] unfolded declarations (max: 246, num: 1):
    [reduction] Nat.rec ↦ 246
  [reduction] unfolded reducible declarations (max: 246, num: 2):
    [reduction] h ↦ 246
    [reduction] Nat.casesOn ↦ 246
  use `set_option diagnostics.threshold <num>` to control threshold for reporting counters