some-proofs-only-work-without-autoTriggers.dfy(19,11): Info: Selected triggers: {x in a}
some-proofs-only-work-without-autoTriggers.dfy(20,11): Info: Selected triggers: {x in a[..|a|]}
some-proofs-only-work-without-autoTriggers.dfy(27,11): Info: Selected triggers: {x in a}
some-proofs-only-work-without-autoTriggers.dfy(28,11): Info: Selected triggers: {a[i]}
some-proofs-only-work-without-autoTriggers.dfy(31,11): Info: Selected triggers: {x in a[..3]}
some-proofs-only-work-without-autoTriggers.dfy(33,11): Info: Selected triggers: {x in a[..2]}
some-proofs-only-work-without-autoTriggers.dfy(20,11): Error: assertion might not hold
some-proofs-only-work-without-autoTriggers.dfy(28,11): Error: assertion might not hold
some-proofs-only-work-without-autoTriggers.dfy(33,11): Error: assertion might not hold

Dafny program verifier finished with 0 verified, 3 errors
