ModifyStmt.dfy(133,14): Warning: the modify statement with a block statement is deprecated
ModifyStmt.dfy(140,14): Warning: the modify statement with a block statement is deprecated
ModifyStmt.dfy(148,16): Warning: the modify statement with a block statement is deprecated
ModifyStmt.dfy(160,20): Warning: the modify statement with a block statement is deprecated
ModifyStmt.dfy(158,17): Warning: the modify statement with a block statement is deprecated
ModifyStmt.dfy(157,21): Warning: the modify statement with a block statement is deprecated
ModifyStmt.dfy(155,24): Warning: the modify statement with a block statement is deprecated
ModifyStmt.dfy(178,16): Warning: the modify statement with a block statement is deprecated
ModifyStmt.dfy(27,13): Error: assertion might not hold
ModifyStmt.dfy(42,4): Error: modify statement might violate context's modifies clause
ModifyStmt.dfy(48,4): Error: modify statement might violate context's modifies clause
ModifyStmt.dfy(61,4): Error: modify statement might violate context's modifies clause
ModifyStmt.dfy(70,13): Error: assertion might not hold
ModifyStmt.dfy(89,13): Error: assertion might not hold
ModifyStmt.dfy(99,13): Error: assertion might not hold
ModifyStmt.dfy(110,13): Error: assertion might not hold
ModifyStmt.dfy(122,15): Error: assertion might not hold
ModifyStmt.dfy(134,6): Error: assignment might update an object not in the enclosing context's modifies clause
ModifyStmt.dfy(172,14): Error: assertion might not hold

Dafny program verifier finished with 11 verified, 11 errors
