============ after processor `spec_instrumenter` ================

[variant verification]
pub fun Trafo::div($t0|x: u64, $t1|y: u64): u64 {
     var $t2: u64
     var $t3: num
  0: assume WellFormed($t0)
  1: assume WellFormed($t1)
  2: trace_local[x]($t0)
  3: trace_local[y]($t1)
  4: $t2 := /($t0, $t1) on_abort goto 10 with $t3
  5: trace_return[0]($t2)
  6: label L1
     # VC: function does not abort under this condition at simple.move:10:7+17
  7: assert Not(Eq<u64>($t1, 0))
     # VC: post-condition does not hold at simple.move:11:7+24
  8: assert Eq<u64>($t2, Div($t0, $t1))
  9: return $t2
 10: label L2
     # VC: abort not covered by any of the `aborts_if` clauses at simple.move:9:3+73
 11: assert Eq<u64>($t1, 0)
 12: abort($t3)
}