t1.bpl(60,5): Error: Non-interference check failed
Execution trace:
    (0,0): og_init
    t1.bpl(80,13): anon0
    (0,0): anon05
    (0,0): inline$SetG_1$0$Entry
    t1.bpl(34,21): inline$SetG_1$0$this_A
    (0,0): inline$Impl_YieldChecker_A_1$0$L2

Boogie program verifier finished with 2 verified, 1 error