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|
-------------------- Simple.dfy --------------------
// Simple.dfy
class MyClass<T, U> {
var x: int;
method M(s: bool, lotsaObjects: set<object>)
returns (t: object, u: set<int>, v: seq<MyClass<bool,U>>)
requires s;
modifies this, lotsaObjects;
ensures t == t;
ensures old(null) != this;
{
x := 12;
while (x < 100)
invariant x <= 100;
{
x := x + 17;
if (x % 20 == 3) {
x := this.x + 1;
} else {
this.x := x + 0;
}
call t, u, v := M(true, lotsaObjects);
var to: MyClass<T,U>;
call to, u, v := M(true, lotsaObjects);
call to, u, v := to.M(true, lotsaObjects);
assert v[x] != null ==> null !in v[2 .. x][1..][5 := v[this.x]][..10];
}
}
function F(x: int, y: int, h: WildData, k: WildData): WildData
{
if x < 0 then
h
else if x == 0 then
if if h == k then true else false then
h
else if y == 0 then
k
else
h
else
k
}
}
datatype List<T> {
Nil;
Cons(T, List<T>);
}
datatype WildData {
Something;
JustAboutAnything<G, H>(G, myName: set<H>, int, WildData);
More(List<int>);
}
class C {
var w: WildData;
var list: List<bool>;
}
Dafny program verifier finished with 0 verified, 0 errors
-------------------- TypeTests.dfy --------------------
TypeTests.dfy(4,13): Error: incorrect type of function argument 0 (expected C, got D)
TypeTests.dfy(4,13): Error: incorrect type of function argument 1 (expected D, got C)
TypeTests.dfy(5,13): Error: incorrect type of function argument 0 (expected C, got int)
TypeTests.dfy(5,13): Error: incorrect type of function argument 1 (expected D, got int)
TypeTests.dfy(11,4): Error: incorrect type of method in-parameter 0 (expected int, got bool)
TypeTests.dfy(12,4): Error: incorrect type of method out-parameter 0 (expected int, got C)
TypeTests.dfy(12,4): Error: incorrect type of method out-parameter 1 (expected C, got int)
TypeTests.dfy(20,9): Error: because of cyclic dependencies among constructor argument types, no instances of datatype 'Nothing' can be constructed
TypeTests.dfy(23,9): Error: because of cyclic dependencies among constructor argument types, no instances of datatype 'NeverendingList' can be constructed
TypeTests.dfy(55,9): Error: Assignment to array element is not allowed in this context (because this is a ghost method or because the statement is guarded by a specification-only expression)
10 resolution/type errors detected in TypeTests.dfy
-------------------- SmallTests.dfy --------------------
SmallTests.dfy(30,7): Error: RHS expression must be well defined
Execution trace:
(0,0): anon0
SmallTests.dfy(61,36): Error: possible division by zero
Execution trace:
(0,0): anon10_Then
SmallTests.dfy(62,51): Error: possible division by zero
Execution trace:
(0,0): anon10_Else
(0,0): anon3
(0,0): anon11_Else
SmallTests.dfy(63,22): Error: target object may be null
Execution trace:
(0,0): anon10_Then
(0,0): anon3
(0,0): anon11_Then
(0,0): anon6
SmallTests.dfy(82,20): Error: decreases expression must be well defined at top of each loop iteration
Execution trace:
(0,0): anon0
SmallTests.dfy(81,5): anon7_LoopHead
(0,0): anon7_LoopBody
(0,0): anon8_Then
SmallTests.dfy(116,5): Error: call may violate caller's modifies clause
Execution trace:
(0,0): anon0
(0,0): anon4_Else
(0,0): anon3
SmallTests.dfy(129,7): Error: call may violate caller's modifies clause
Execution trace:
(0,0): anon0
(0,0): anon3_Then
SmallTests.dfy(131,7): Error: call may violate caller's modifies clause
Execution trace:
(0,0): anon0
(0,0): anon3_Else
SmallTests.dfy(171,11): Error: foreach assignment may update an object not in the enclosing method's modifies clause
Execution trace:
(0,0): anon0
(0,0): anon4_Else
(0,0): anon3
Dafny program verifier finished with 28 verified, 9 errors
-------------------- Definedness.dfy --------------------
Definedness.dfy(8,7): Error: possible division by zero
Execution trace:
(0,0): anon0
Definedness.dfy(15,16): Error: possible division by zero
Execution trace:
(0,0): anon0
Definedness.dfy(24,16): Error: target object may be null
Execution trace:
(0,0): anon0
Definedness.dfy(25,21): Error: target object may be null
Execution trace:
(0,0): anon0
(0,0): anon3_Then
Definedness.dfy(26,17): Error: possible division by zero
Execution trace:
(0,0): anon0
Definedness.dfy(33,16): Error: target object may be null
Execution trace:
(0,0): anon0
Definedness.dfy(50,18): Error: target object may be null
Execution trace:
(0,0): anon0
Definedness.dfy(55,18): Error: target object may be null
Execution trace:
(0,0): anon0
Definedness.dfy(77,9): Error: LHS expression must be well defined
Execution trace:
(0,0): anon0
Definedness.dfy(78,12): Error: LHS expression must be well defined
Execution trace:
(0,0): anon0
Definedness.dfy(79,7): Error: RHS expression must be well defined
Execution trace:
(0,0): anon0
Definedness.dfy(84,18): Error: assert condition must be well defined
Execution trace:
(0,0): anon0
Definedness.dfy(85,5): Error: assume condition must be well defined
Execution trace:
(0,0): anon0
Definedness.dfy(90,16): Error: if guard must be well defined
Execution trace:
(0,0): anon0
Definedness.dfy(97,19): Error: loop guard must be well defined
Execution trace:
(0,0): anon0
Definedness.dfy(97,5): anon8_LoopHead
(0,0): anon8_LoopBody
Definedness.dfy(97,5): anon9_Else
(0,0): anon3
Definedness.dfy(106,23): Error: decreases expression must be well defined at top of each loop iteration
Execution trace:
(0,0): anon0
Definedness.dfy(105,5): anon13_LoopHead
(0,0): anon13_LoopBody
(0,0): anon14_Then
Definedness.dfy(112,17): Error: decreases expression must be well defined at top of each loop iteration
Execution trace:
(0,0): anon0
Definedness.dfy(105,5): anon13_LoopHead
(0,0): anon13_LoopBody
Definedness.dfy(105,5): anon14_Else
(0,0): anon3
(0,0): anon15_Then
(0,0): anon6
Definedness.dfy(111,5): anon16_LoopHead
(0,0): anon16_LoopBody
(0,0): anon17_Then
Definedness.dfy(122,22): Error: loop invariant must be well defined
Execution trace:
(0,0): anon0
Definedness.dfy(121,5): anon7_LoopHead
(0,0): anon7_LoopBody
(0,0): anon8_Then
Definedness.dfy(122,22): Error BP5004: This loop invariant might not hold on entry.
Execution trace:
(0,0): anon0
Definedness.dfy(123,17): Error: decreases expression must be well defined at top of each loop iteration
Execution trace:
(0,0): anon0
Definedness.dfy(121,5): anon7_LoopHead
(0,0): anon7_LoopBody
(0,0): anon8_Then
Definedness.dfy(132,24): Error: loop guard must be well defined
Execution trace:
(0,0): anon0
Definedness.dfy(132,5): anon7_LoopHead
(0,0): anon7_LoopBody
Definedness.dfy(132,5): anon8_Else
(0,0): anon3
Definedness.dfy(151,24): Error: loop guard must be well defined
Execution trace:
(0,0): anon0
Definedness.dfy(145,5): anon13_LoopHead
(0,0): anon13_LoopBody
Definedness.dfy(145,5): anon14_Else
(0,0): anon3
(0,0): anon15_Then
(0,0): anon6
Definedness.dfy(151,5): anon16_LoopHead
(0,0): anon16_LoopBody
Definedness.dfy(151,5): anon17_Else
(0,0): anon9
Definedness.dfy(170,44): Error: loop invariant must be well defined
Execution trace:
(0,0): anon0
Definedness.dfy(162,5): anon16_LoopHead
(0,0): anon16_LoopBody
Definedness.dfy(162,5): anon17_Else
(0,0): anon3
(0,0): anon18_Then
(0,0): anon6
Definedness.dfy(169,5): anon19_LoopHead
(0,0): anon19_LoopBody
(0,0): anon20_Then
Definedness.dfy(191,21): Error: collection expression must be well defined
Execution trace:
(0,0): anon0
Definedness.dfy(193,11): Error: foreach assignment may update an object not in the enclosing method's modifies clause
Execution trace:
(0,0): anon0
Definedness.dfy(195,33): Error: range expression must be well defined
Execution trace:
(0,0): anon0
Definedness.dfy(201,18): Error: RHS of assignment must be well defined
Execution trace:
(0,0): anon0
Definedness.dfy(210,23): Error: loop invariant must be well defined
Execution trace:
(0,0): anon0
Definedness.dfy(208,5): anon7_LoopHead
(0,0): anon7_LoopBody
(0,0): anon8_Then
Definedness.dfy(210,23): Error BP5004: This loop invariant might not hold on entry.
Execution trace:
(0,0): anon0
Dafny program verifier finished with 21 verified, 29 errors
-------------------- Array.dfy --------------------
Array.dfy(10,12): Error: assignment may update an array not in the enclosing method's modifies clause
Execution trace:
(0,0): anon0
(0,0): anon3_Then
Array.dfy(17,9): Error: RHS expression must be well defined
Execution trace:
(0,0): anon0
Array.dfy(24,10): Error: LHS expression must be well defined
Execution trace:
(0,0): anon0
Array.dfy(48,20): Error: assertion violation
Execution trace:
(0,0): anon0
Array.dfy(56,12): Error: assignment may update an array not in the enclosing method's modifies clause
Execution trace:
(0,0): anon0
(0,0): anon3_Then
Array.dfy(63,12): Error: assignment may update an array not in the enclosing method's modifies clause
Execution trace:
(0,0): anon0
(0,0): anon3_Then
Array.dfy(95,18): Error: assertion violation
Execution trace:
(0,0): anon0
Array.dfy(107,6): Error: insufficient reads clause to read array element
Execution trace:
(0,0): anon0
(0,0): anon4_Then
(0,0): anon5_Then
Array.dfy(115,6): Error: insufficient reads clause to read array element
Execution trace:
(0,0): anon0
(0,0): anon4_Then
(0,0): anon5_Then
Array.dfy(131,10): Error: assignment may update an array not in the enclosing method's modifies clause
Execution trace:
(0,0): anon0
Array.dfy(138,10): Error: assignment may update an array not in the enclosing method's modifies clause
Execution trace:
(0,0): anon0
Dafny program verifier finished with 22 verified, 11 errors
-------------------- Modules0.dfy --------------------
Modules0.dfy(7,8): Error: Duplicate name of top-level declaration: T
Modules0.dfy(13,7): Error: module T named among imports does not exist
Modules0.dfy(24,7): Error: import graph contains a cycle: H -> I -> J -> G
Modules0.dfy(51,6): Error: inter-module calls must follow the module import relation (so module X2 must transitively import YY)
Modules0.dfy(62,6): Error: inter-module calls must follow the module import relation (so module X1 must transitively import X2)
Modules0.dfy(72,6): Error: inter-module calls must follow the module import relation (so module X0 must transitively import X1)
Modules0.dfy(91,4): Error: inter-module calls must follow the module import relation (so module _default must transitively import YY)
Modules0.dfy(116,16): Error: ghost variables are allowed only in specification contexts
8 resolution/type errors detected in Modules0.dfy
-------------------- Modules1.dfy --------------------
Modules1.dfy(55,3): Error: decreases expression must be bounded below by 0
Execution trace:
(0,0): anon0
Modules1.dfy(61,3): Error: failure to decrease termination measure
Execution trace:
(0,0): anon0
Dafny program verifier finished with 16 verified, 2 errors
-------------------- BadFunction.dfy --------------------
BadFunction.dfy(6,3): Error: failure to decrease termination measure
Execution trace:
(0,0): anon0
Dafny program verifier finished with 2 verified, 1 error
-------------------- Termination.dfy --------------------
Termination.dfy(102,3): Error: cannot prove termination; try supplying a decreases clause for the loop
Execution trace:
(0,0): anon0
Termination.dfy(102,3): anon7_LoopHead
(0,0): anon7_LoopBody
Termination.dfy(102,3): anon8_Else
(0,0): anon3
Termination.dfy(102,12): anon9_Else
(0,0): anon5
Termination.dfy(110,3): Error: cannot prove termination; try supplying a decreases clause for the loop
Execution trace:
(0,0): anon0
Termination.dfy(110,3): anon7_LoopHead
(0,0): anon7_LoopBody
Termination.dfy(110,3): anon8_Else
(0,0): anon3
Termination.dfy(110,16): anon9_Else
(0,0): anon5
Termination.dfy(119,3): Error: decreases expression might not decrease
Execution trace:
(0,0): anon0
Termination.dfy(119,3): anon7_LoopHead
(0,0): anon7_LoopBody
Termination.dfy(119,3): anon8_Else
(0,0): anon3
Termination.dfy(119,16): anon9_Else
(0,0): anon5
Termination.dfy(120,17): Error: decreases expression must be bounded below by 0 at end of loop iteration
Execution trace:
(0,0): anon0
Termination.dfy(119,3): anon7_LoopHead
(0,0): anon7_LoopBody
Termination.dfy(119,3): anon8_Else
(0,0): anon3
Termination.dfy(119,16): anon9_Else
(0,0): anon5
Dafny program verifier finished with 25 verified, 4 errors
-------------------- Use.dfy --------------------
Use.dfy(16,18): Error: assertion violation
Execution trace:
(0,0): anon0
Use.dfy(26,18): Error: assertion violation
Execution trace:
(0,0): anon0
Use.dfy(35,18): Error: assertion violation
Execution trace:
(0,0): anon0
Use.dfy(54,12): Error: assertion violation
Execution trace:
(0,0): anon0
Use.dfy(84,17): Error: assertion violation
Execution trace:
(0,0): anon0
Use.dfy(126,23): Error: assertion violation
Execution trace:
(0,0): anon0
Use.dfy(143,5): Error: assertion violation
Execution trace:
(0,0): anon0
Use.dfy(143,5): Error: assertion violation
Execution trace:
(0,0): anon0
Use.dfy(143,5): Error: assertion violation
Execution trace:
(0,0): anon0
Use.dfy(213,19): Error: assertion violation
Execution trace:
(0,0): anon0
Dafny program verifier finished with 39 verified, 10 errors
-------------------- DTypes.dfy --------------------
DTypes.dfy(15,14): Error: assertion violation
Execution trace:
(0,0): anon0
DTypes.dfy(28,13): Error: assertion violation
Execution trace:
(0,0): anon0
DTypes.dfy(54,18): Error: assertion violation
Execution trace:
(0,0): anon0
Dafny program verifier finished with 13 verified, 3 errors
-------------------- TypeParameters.dfy --------------------
TypeParameters.dfy(41,22): Error: assertion violation
Execution trace:
(0,0): anon0
TypeParameters.dfy(63,27): Error: assertion violation
Execution trace:
(0,0): anon0
TypeParameters.dfy(130,28): Error: assertion violation
Execution trace:
(0,0): anon0
(0,0): anon5_Then
TypeParameters.dfy(132,33): Error: assertion violation
Execution trace:
(0,0): anon0
(0,0): anon5_Else
(0,0): anon6_Then
Dafny program verifier finished with 27 verified, 4 errors
-------------------- Datatypes.dfy --------------------
Dafny program verifier finished with 10 verified, 0 errors
-------------------- SplitExpr.dfy --------------------
Dafny program verifier finished with 5 verified, 0 errors
-------------------- Refinement.dfy --------------------
Dafny program verifier finished with 53 verified, 0 errors
|
