Negative coverage: prove_wc / parameter well formed / premise prove_wf(decls, env, assumptions, p) => c
Premise at line 161. Observed failure causes: failed_judgment.
parameter well formed| Line | Coverage | Source |
|---|---|---|
| 161 | 3 | (prove_wf(decls, env, assumptions, p) => c) |
| ──────── ("parameter well formed") | ||
| 163 | 104 | (prove_wc(decls, env, assumptions, Relation::WellFormed(p)) => c) |
3 tests failed proving this premise:
Source location: crates/formality-rust/src/prove/prove/test/adt_wf.rs:44
#[test]
fn not_well_formed_adt() {
let assumptions: Wcs = Wcs::t();
let goal: Parameter = term("X<u64>");
prove(
decls(),
Env::default(),
assumptions,
Relation::WellFormed(goal),
)
.assert_err(expect![[r#"
crates/formality-rust/src/prove/prove/prove/prove_via.rs:9:1: no applicable rules for prove_via { goal: u64 = u32, via: Foo(u64), assumptions: {Foo(u64)}, env: Env { variables: [], bias: Soundness, pending: [], allow_pending_outlives: false } }
crates/formality-rust/src/prove/prove/prove/prove_normalize.rs:55:1: no applicable rules for prove_normalize_via { goal: u64, via: Foo(u64), assumptions: {Foo(u64)}, env: Env { variables: [], bias: Soundness, pending: [], allow_pending_outlives: false } }
crates/formality-rust/src/prove/prove/prove/prove_normalize.rs:55:1: no applicable rules for prove_normalize_via { goal: u32, via: Foo(u64), assumptions: {Foo(u64)}, env: Env { variables: [], bias: Soundness, pending: [], allow_pending_outlives: false } }
the rule "trait implied bound" at (prove_wc.rs) failed because
expression evaluated to an empty collection: `decls.trait_invariants()`"#]]);
}Failed proof tree
prove failedadt_wf.rs:38ruleadt_wf.rs:38prove_wc_list failedprove_wc_list.rs:11rule "some"prove_wc_list.rs:29prove_wc failedprove_wc.rs:23rule "parameter well formed"prove_wc.rs:161prove_wf failedprove_wf.rs:14rule "ADT"prove_wf.rs:67prove_after failedprove_after.rs:8rule "prove_after"prove_after.rs:19prove failedprove_after.rs:19ruleprove_after.rs:19prove_wc_list failedprove_wc_list.rs:11rule "some"prove_wc_list.rs:29prove_wc failedprove_wc.rs:23rule "positive impl"prove_wc.rs:81prove failedprove_wc.rs:81ruleprove_wc.rs:81prove_wc_list failedprove_wc_list.rs:11rule "some"prove_wc_list.rs:29prove_wc failedprove_wc.rs:23rule "assumption - relation"prove_wc.rs:56prove_via failedprove_via.rs:9
rule "eq"prove_wc.rs:127prove_eq failedprove_eq.rs:25rule "normalize-l"prove_eq.rs:70prove_normalize failedprove_normalize.rs:19rule "normalize-via-assumption"prove_normalize.rs:33prove_normalize_via failedprove_normalize.rs:55
rule "symmetric"prove_eq.rs:40prove_eq failedprove_eq.rs:25rule "normalize-l"prove_eq.rs:70prove_normalize failedprove_normalize.rs:19rule "normalize-via-assumption"prove_normalize.rs:33prove_normalize_via failedprove_normalize.rs:55
rule "trait implied bound"prove_wc.rs:117 (failed: empty_collection)
Source location: tests/mir_typeck.rs:266
fn foo() -> () {
let s2: S2<S1>;
}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:188prove failedfunction.rs:250rulefunction.rs:250prove_wc_list failedprove_wc_list.rs:11rule "some"prove_wc_list.rs:29prove_wc failedprove_wc.rs:23rule "parameter well formed"prove_wc.rs:161prove_wf failedprove_wf.rs:14rule "ADT"prove_wf.rs:67prove_after failedprove_after.rs:8rule "prove_after"prove_after.rs:19prove failedprove_after.rs:19ruleprove_after.rs:19prove_wc_list failedprove_wc_list.rs:11rule "some"prove_wc_list.rs:29prove_wc failedprove_wc.rs:23rule "trait implied bound"prove_wc.rs:117 (failed: empty_collection)
Source location: tests/references.rs:13
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:53prove failedfunction.rs:250rulefunction.rs:250prove_wc_list failedprove_wc_list.rs:11rule "some"prove_wc_list.rs:29prove_wc failedprove_wc.rs:23rule "parameter well formed"prove_wc.rs:161prove_wf failedprove_wf.rs:14rule "references"prove_wf.rs:37prove failedprove_wf.rs:107ruleprove_wf.rs:107prove_wc_list failedprove_wc_list.rs:11rule "some"prove_wc_list.rs:29prove_wc failedprove_wc.rs:23rule "assumption - relation"prove_wc.rs:56prove_via failedprove_via.rs:9
rule "parameter well formed"prove_wc.rs:161prove_wf failedprove_wf.rs:14rule "ADT"prove_wf.rs:67prove_after failedprove_after.rs:8rule "prove_after"prove_after.rs:19prove failedprove_after.rs:19ruleprove_after.rs:19prove_wc_list failedprove_wc_list.rs:11rule "some"prove_wc_list.rs:29prove_wc failedprove_wc.rs:23rule "assumption - predicate"prove_wc.rs:50prove_via failedprove_via.rs:9
rule "trait implied bound"prove_wc.rs:117 (failed: empty_collection)