Negative coverage: prove_sub / normalize-l / premise prove_normalize(decls, env, assumptions, x) => Constrained(y, c)
Premise at line 28. Observed failure causes: failed_judgment.
normalize-l| Line | Coverage | Source |
|---|---|---|
| 28 | 5 | (prove_normalize(decls, env, assumptions, x) => Constrained(y, c)) |
| 29 | ✗ | (prove_after(decls, c, assumptions, Relation::sub(y, z)) => c) |
| ──────── ("normalize-l") | ||
| 31 | 16 | (prove_sub(decls, env, assumptions, x, z) => c) |
5 tests failed proving this premise:
Source location: tests/mir_typeck.rs:147
fn foo (b: bool) -> u32 {
if b {
return 1 _ u32;
} else {
return false;
}
}Failed proof tree
check_all_crates failedmod.rs:41rule "check all prefixes"mod.rs:53check_crate failedmod.rs:60rule "check crate"mod.rs:73check_crate_item failedmod.rs:163rule "free fn"mod.rs:191check_free_fn failedfns.rs:14rule "check free fn"fns.rs:24check_fn failedfns.rs:31rule "check fn"fns.rs:55check_fn_body failedfns.rs:62rule "expr fn body"fns.rs:90borrow_check failednll.rs:126rule "borrow_check"nll.rs:137borrow_check_block failednll.rs:144rule "basic block"nll.rs:159borrow_check_statement failednll.rs:176rule "if"nll.rs:220borrow_check_block failednll.rs:144rule "basic block"nll.rs:159borrow_check_statement failednll.rs:176rule "return"nll.rs:281prove_assignable failednll.rs:937rule "subtype"nll.rs:955prove failedfunction.rs:250rulefunction.rs:250prove_wc_list failedprove_wc_list.rs:11rule "some"prove_wc_list.rs:29prove_wc failedprove_wc.rs:23rule "subtype"prove_wc.rs:133prove_sub failedprove_sub.rs:13rule "normalize-l"prove_sub.rs:28prove_normalize failedprove_normalize.rs:19
rule "if"nll.rs:220borrow_check_block failednll.rs:144rule "basic block"nll.rs:159borrow_check_statement failednll.rs:176rule "return"nll.rs:281prove_assignable failednll.rs:937rule "subtype"nll.rs:955prove failedfunction.rs:250rulefunction.rs:250prove_wc_list failedprove_wc_list.rs:11rule "some"prove_wc_list.rs:29prove_wc failedprove_wc.rs:23rule "subtype"prove_wc.rs:133prove_sub failedprove_sub.rs:13rule "normalize-l"prove_sub.rs:28prove_normalize failedprove_normalize.rs:19
Source location: tests/mir_typeck.rs:300
fn bar(v1: ()) -> () {
let v0: () = foo(v1);
return v0;
}Failed proof tree
check_all_crates failedmod.rs:41rule "check all prefixes"mod.rs:53check_crate failedmod.rs:60rule "check crate"mod.rs:73check_crate_item failedmod.rs:163rule "free fn"mod.rs:191check_free_fn failedfns.rs:14rule "check free fn"fns.rs:24check_fn failedfns.rs:31rule "check fn"fns.rs:55check_fn_body failedfns.rs:62rule "expr fn body"fns.rs:90borrow_check failednll.rs:126rule "borrow_check"nll.rs:137borrow_check_block failednll.rs:144rule "basic block"nll.rs:159borrow_check_statement failednll.rs:176rule "let"nll.rs:193borrow_check_expr_has_ty failednll.rs:319rule "block"nll.rs:332borrow_check_expr failednll.rs:340rule "call"nll.rs:411borrow_check_expr_has_ty failednll.rs:319rule "block"nll.rs:333prove_assignable failednll.rs:937rule "subtype"nll.rs:955prove failedfunction.rs:250rulefunction.rs:250prove_wc_list failedprove_wc_list.rs:11rule "some"prove_wc_list.rs:29prove_wc failedprove_wc.rs:23rule "subtype"prove_wc.rs:133prove_sub failedprove_sub.rs:13rule "normalize-l"prove_sub.rs:28prove_normalize failedprove_normalize.rs:19
rule "block"nll.rs:333prove_assignable failednll.rs:937rule "subtype"nll.rs:955prove failedfunction.rs:250rulefunction.rs:250prove_wc_list failedprove_wc_list.rs:11rule "some"prove_wc_list.rs:29prove_wc failedprove_wc.rs:23rule "subtype"prove_wc.rs:133prove_sub failedprove_sub.rs:13rule "normalize-l"prove_sub.rs:28prove_normalize failedprove_normalize.rs:19
Source location: tests/mir_typeck.rs:360
fn bar(v1: u32) -> u32 {
let v0: u32 = identity::<bool>(v1);
return v0;
}Failed proof tree
check_all_crates failedmod.rs:41rule "check all prefixes"mod.rs:53check_crate failedmod.rs:60rule "check crate"mod.rs:73check_crate_item failedmod.rs:163rule "free fn"mod.rs:191check_free_fn failedfns.rs:14rule "check free fn"fns.rs:24check_fn failedfns.rs:31rule "check fn"fns.rs:55check_fn_body failedfns.rs:62rule "expr fn body"fns.rs:90borrow_check failednll.rs:126rule "borrow_check"nll.rs:137borrow_check_block failednll.rs:144rule "basic block"nll.rs:159borrow_check_statement failednll.rs:176rule "let"nll.rs:193borrow_check_expr_has_ty failednll.rs:319rule "block"nll.rs:332borrow_check_expr failednll.rs:340rule "call"nll.rs:411borrow_check_expr_has_ty failednll.rs:319rule "block"nll.rs:333prove_assignable failednll.rs:937rule "subtype"nll.rs:955prove failedfunction.rs:250rulefunction.rs:250prove_wc_list failedprove_wc_list.rs:11rule "some"prove_wc_list.rs:29prove_wc failedprove_wc.rs:23rule "subtype"prove_wc.rs:133prove_sub failedprove_sub.rs:13rule "normalize-l"prove_sub.rs:28prove_normalize failedprove_normalize.rs:19
rule "block"nll.rs:333prove_assignable failednll.rs:937rule "subtype"nll.rs:955prove failedfunction.rs:250rulefunction.rs:250prove_wc_list failedprove_wc_list.rs:11rule "some"prove_wc_list.rs:29prove_wc failedprove_wc.rs:23rule "subtype"prove_wc.rs:133prove_sub failedprove_sub.rs:13rule "normalize-l"prove_sub.rs:28prove_normalize failedprove_normalize.rs:19
Source location: tests/mir_typeck.rs:421
fn foo (v1: ()) -> u32 {
return v1;
}Failed proof tree
check_all_crates failedmod.rs:41rule "check all prefixes"mod.rs:53check_crate failedmod.rs:60rule "check crate"mod.rs:73check_crate_item failedmod.rs:163rule "free fn"mod.rs:191check_free_fn failedfns.rs:14rule "check free fn"fns.rs:24check_fn failedfns.rs:31rule "check fn"fns.rs:55check_fn_body failedfns.rs:62rule "expr fn body"fns.rs:90borrow_check failednll.rs:126rule "borrow_check"nll.rs:137borrow_check_block failednll.rs:144rule "basic block"nll.rs:159borrow_check_statement failednll.rs:176rule "return"nll.rs:281prove_assignable failednll.rs:937rule "subtype"nll.rs:955prove failedfunction.rs:250rulefunction.rs:250prove_wc_list failedprove_wc_list.rs:11rule "some"prove_wc_list.rs:29prove_wc failedprove_wc.rs:23rule "subtype"prove_wc.rs:133prove_sub failedprove_sub.rs:13rule "normalize-l"prove_sub.rs:28prove_normalize failedprove_normalize.rs:19
rule "return"nll.rs:281prove_assignable failednll.rs:937rule "subtype"nll.rs:955prove failedfunction.rs:250rulefunction.rs:250prove_wc_list failedprove_wc_list.rs:11rule "some"prove_wc_list.rs:29prove_wc failedprove_wc.rs:23rule "subtype"prove_wc.rs:133prove_sub failedprove_sub.rs:13rule "normalize-l"prove_sub.rs:28prove_normalize failedprove_normalize.rs:19
Source location: tests/mir_typeck.rs:630
fn foo (v1: u32) -> u32 {
let v2: Dummy = Dummy { value: false };
return v1;
}Failed proof tree
check_all_crates failedmod.rs:41rule "check all prefixes"mod.rs:53check_crate failedmod.rs:60rule "check crate"mod.rs:73check_crate_item failedmod.rs:163rule "free fn"mod.rs:191check_free_fn failedfns.rs:14rule "check free fn"fns.rs:24check_fn failedfns.rs:31rule "check fn"fns.rs:55check_fn_body failedfns.rs:62rule "expr fn body"fns.rs:90borrow_check failednll.rs:126rule "borrow_check"nll.rs:137borrow_check_block failednll.rs:144rule "basic block"nll.rs:159borrow_check_statement failednll.rs:176rule "let"nll.rs:193borrow_check_expr_has_ty failednll.rs:319rule "block"nll.rs:332borrow_check_expr failednll.rs:340rule "struct"nll.rs:524borrow_check_expr_has_ty failednll.rs:319rule "block"nll.rs:333prove_assignable failednll.rs:937rule "subtype"nll.rs:955prove failedfunction.rs:250rulefunction.rs:250prove_wc_list failedprove_wc_list.rs:11rule "some"prove_wc_list.rs:29prove_wc failedprove_wc.rs:23rule "subtype"prove_wc.rs:133prove_sub failedprove_sub.rs:13rule "normalize-l"prove_sub.rs:28prove_normalize failedprove_normalize.rs:19