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Negative coverage: borrow_check_expr / assign / premise access_permitted( env, assumptions, state, Access::new(AccessKind::Write, place), places_live_on_exit, ) => state

Premise at line 372. Observed failure causes: failed_judgment.

assign
LineCoverageSource
353✗(borrow_check_expr(
env,
assumptions,
state,
expr,
Assignment(place).live_before(env, &state, places_live_on_exit),
) => (value_ty, state))
3622(borrow_check_place_expr(
env,
assumptions,
state,
place,
) => (place, state))
3701(prove_assignable(env, assumptions, state, value_ty, &place.ty) => state)
3728(access_permitted(
env,
assumptions,
state,
Access::new(AccessKind::Write, place),
places_live_on_exit,
) => state)
380N/A(let state = kill_loans(place, state))
381N/A(let state = state.with_initialized(&place.to_place_expression()))
──────── ("assign")
38313(borrow_check_expr(env, assumptions, state, Expr::Assign { place, expr }, places_live_on_exit) => (Ty::unit(), state))

8 tests failed proving this premise:

Source location: tests/borrowck.rs:212

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

Source location: tests/borrowck.rs:1881

fn foo() -> i32 {
    exists<'r0, 'r1> {
        let v1: i32 = 0 _ i32;
        let v2: &mut 'r0 i32 = &mut 'r1 v1;
        // This should result in an error
        v1 = 1 _ i32;
        return *v2;
    }
}
Failed proof tree

Source location: tests/borrowck.rs:1919

fn foo() -> i32 {
    exists<'r0, 'r1> {
        let v1: i32 = 0 _ i32;
        let v2: &'r0 i32 = &'r1 v1;
        v1 = 1 _ i32;
        return *v2;
    }
}
Failed proof tree

Source location: tests/borrowck.rs:2671

fn foo() -> u32 {
    exists<'r0, 'r1> {
        let a: u32 = 22 _ u32;
        let p: &'r0 u32 = &'r1 a;
        'l: loop {
            if true {
                a = 23 _ u32;
                continue 'l;
            } else {
                break 'l;
            }
        }
        return *p;
    }
}
Failed proof tree

Source location: tests/borrowck.rs:2765

fn foo() -> u32 {
    exists<'r0, 'r1, 'r2> {
        let a: u32 = 22 _ u32;
        let b: u32 = 22 _ u32;
        let p: &'r0 u32 = &'r1 a;
        a = 23 _ u32;
        'l: loop {
            p = &'r2 b;
            break 'l;
        }
        return *p;
    }
}
Failed proof tree

Source location: tests/borrowck.rs:2992

fn foo() -> u32 {
    exists<'r0, 'r1> {
        let p: Point = Point { x: 0 _ u32, y: 0 _ u32 };
        let b1: &mut 'r0 u32 = &mut 'r1 p.x;
        p.x = 1 _ u32;
        return *b1;
    }
}
Failed proof tree

Source location: tests/borrowck.rs:3063

fn foo() -> u32 {
    exists<'r0> {
        let v1: u32 = 0 _ u32;
        let w: Wrapper<'r0> = Wrapper::<'r0> { value: &mut 'r0 v1 };
        v1 = 1 _ u32;
        return *(w.value);
    }
}
Failed proof tree

Source location: tests/borrowck.rs:3185

fn foo() -> u32 {
    exists<'r0, 'r1, 'r2> {
        let x: u32 = 22 _ u32;
        let p: &'r1 u32 = &'r0 x;
        let q: &'r2 u32 = p;
        x = 1 _ u32;
        q;
        return 0 _ u32;
    }
}
Failed proof tree