loop-detection-is-not-too-strict.dfy(15,9): Info: Selected triggers:
   {P(y, x)}, {P(x, y)}
loop-detection-is-not-too-strict.dfy(18,9): Info: Selected triggers:
   {P(y, x)}, {P(x, y)}
loop-detection-is-not-too-strict.dfy(21,9): Info: Selected triggers: {P(x, _t#0), P(x, y)}
loop-detection-is-not-too-strict.dfy(26,9): Info: Selected triggers: {Q(x)}
loop-detection-is-not-too-strict.dfy(27,9): Info: Selected triggers: {Q(x)}
loop-detection-is-not-too-strict.dfy(28,9): Info: Selected triggers:
   {P(x, z)}, {P(x, 1)}
loop-detection-is-not-too-strict.dfy(33,9): Info: Selected triggers: {Q(x)}
loop-detection-is-not-too-strict.dfy(34,9): Info: Selected triggers: {Q(x)}
loop-detection-is-not-too-strict.dfy(36,9): Info: Selected triggers: {Q(_t#0), Q(x)}
loop-detection-is-not-too-strict.dfy(40,9): Info: Selected triggers: {Q(_t#0), Q(x)}

Dafny program verifier finished with 1 verified, 0 errors
