Negative coverage: access_permitted / access_permitted / premise if match access.kind { AccessKind::Write => check_place_writable(&state, &access.place.to_place_expression()), AccessKind::Read \| AccessKind::Move => check_place_initialized(&state, &access.place.to_place_expression()), }

Premise at line 809. Observed failure causes: if_false.

12 tests failed proving this premise:

Source location: tests/borrowck.rs:41 (all coverage from this test)

fn foo() -> u32 {
    let x: u32;
    return x;
}

Source location: tests/borrowck.rs:89 (all coverage from this test)

fn foo() -> Datum {
    let x: Datum = Datum { value: 0_u32 };
    let y: Datum = x;
    let z: Datum = x;
    return z;
}

Source location: tests/borrowck.rs:157 (all coverage from this test)

fn foo() -> u32 {
    let x: u32;
    if true {
        x = 1_u32;
    } else {
    }
    return x;
}

Source location: tests/borrowck.rs:259 (all coverage from this test)

fn foo() -> u32 {
    let x: u32;
    if true {
        x = 1_u32;
    }
    return x;
}

Source location: tests/borrowck.rs:310 (all coverage from this test)

fn foo() -> Datum {
    let x: Datum = Datum { value: 0_u32 };
    if true {
        let y: Datum = x;
    }
    let z: Datum = x;
    return z;
}

Source location: tests/borrowck.rs:363 (all coverage from this test)

fn foo() -> u32 {
    let x: Pair;
    x.first = 1_u32;
    return 0_u32;
}

Source location: tests/borrowck.rs:449 (all coverage from this test)

fn foo() -> u32 {
    let x: Pair = Pair {
        first: Datum { value: 1_u32 },
        second: Datum { value: 2_u32 },
    };
    let a: Datum = x.first;
    let b: Pair = x;
    return 0_u32;
}

Source location: tests/borrowck.rs:497 (all coverage from this test)

fn foo() -> Datum {
    let x: Pair = Pair {
        first: Datum { value: 1_u32 },
        second: Datum { value: 2_u32 },
    };
    let a: Datum = x.first;
    let b: Datum = x.first;
    return b;
}

Source location: tests/borrowck.rs:545 (all coverage from this test)

fn foo() -> Datum {
    let x: Pair = Pair {
        first: Datum { value: 1_u32 },
        second: Datum { value: 2_u32 },
    };
    let a: Pair = x;
    let b: Datum = x.first;
    return b;
}

Source location: tests/borrowck.rs:589 (all coverage from this test)

fn foo() -> u32 {
    let x: Outer = Outer {
        foo: Inner { bar: 1_u32 },
    };
    let a: Inner = x.foo;
    let b: u32 = x.foo.bar;
    return b;
}

Source location: tests/borrowck.rs:2026 (all coverage from this test)

fn foo() -> u32 {
    let x: u32;
    return x;
}

Proof trees omitted for the remaining 2 tests; each one is on its test’s page in Coverage by test.

Source location: tests/borrowck.rs:2702 (all coverage from this test)

fn foo() -> i32 {
    exists<'r0, 'r1> {
        let x: i32 = 0_i32;
        let r: &'r0 i32;
        'a: loop {
            r; // this *may* read from `y` in a previous iteration
            let y: i32 = 0_i32;
            r = &'r1 y;
            continue 'a;
        }
    }
}