parallel1.bpl(30,3): Error: Non-interference check failed Execution trace: parallel1.bpl(7,3): anon0 (0,0): anon00 parallel1.bpl(14,3): inline$Incr_1$0$A (0,0): inline$Impl_YieldChecker_PC_1$0$L0 Boogie program verifier finished with 7 verified, 1 error