git-issue51.dfy(35,15): Error: argument must be allocated in the state in which the function is invoked
Execution trace:
    (0,0): anon0
    (0,0): anon14_Then
git-issue51.dfy(38,20): Error: argument must be allocated in the state in which the function is invoked
Execution trace:
    (0,0): anon0
    (0,0): anon15_Then
git-issue51.dfy(42,15): Error: argument must be allocated in the state in which the method is invoked
Execution trace:
    (0,0): anon0
    (0,0): anon17_Then
    (0,0): anon18_Then
    (0,0): anon10
git-issue51.dfy(45,15): Error: argument must be allocated in the state in which the method is invoked
Execution trace:
    (0,0): anon0
    (0,0): anon19_Then
git-issue51.dfy(53,22): Error: argument must be allocated in the state in which the function is invoked
Execution trace:
    (0,0): anon0
    (0,0): anon8_Then
git-issue51.dfy(57,19): Error: argument must be allocated in the state in which the method is invoked
Execution trace:
    (0,0): anon0
    (0,0): anon9_Then
    (0,0): anon11_Then
git-issue51.dfy(59,17): Error: argument must be allocated in the state in which the function is invoked
Execution trace:
    (0,0): anon0
    (0,0): anon9_Then
    (0,0): anon12_Then
git-issue51.dfy(69,12): Error: parameter 0 ('a') must be allocated in the two-state lemma's previous state
Execution trace:
    (0,0): anon0
    (0,0): anon8_Then
git-issue51.dfy(75,15): Error: receiver must be allocated in the state in which its fields are accessed
Execution trace:
    (0,0): anon0
    (0,0): anon11_Then
git-issue51.dfy(79,11): Error: argument 0 ('a') must be allocated in the two-state function's previous state
Execution trace:
    (0,0): anon0
    (0,0): anon13_Then

Dafny program verifier finished with 2 verified, 10 errors
