== foo == fun foo(a: Array) { 3 a[10] = 4 2 a[10] 100 a[10] += 1 } --------------------- L0: 1 v(a: Array) magic[FAKE_INITIALIZER](a: Array) -> w(a|) 2 mark({ 3 a[10] = 4 2 a[10] 100 a[10] += 1 }) r(3) -> mark(a[10]) r(a) -> r(10) -> r(4) -> call(a[10] = 4, set|, , ) -> r(2) -> mark(a[10]) r(a) -> r(10) -> mark(a[10]) call(a[10], get|, ) -> r(100) -> mark(a[10]) r(a) -> r(10) -> mark(a[10]) call(a[10], get|, ) -> r(1) -> mark(a[10] += 1) call(a[10] += 1, plus|, ) -> r(a) -> r(10) -> call(a[10] += 1, set|, , ) -> L1: 1 NEXT:[] error: PREV:[] sink: PREV:[, ] =====================