lean4-htt/tests/elab_fail/guessLexFailures.lean.out.expected
Garmelon 08eb78a5b2
chore: switch to new test/bench suite (#12590)
This PR sets up the new integrated test/bench suite. It then migrates
all benchmarks and some related tests to the new suite. There's also
some documentation and some linting.

For now, a lot of the old tests are left alone so this PR doesn't become
even larger than it already is. Eventually, all tests should be migrated
to the new suite though so there isn't a confusing mix of two systems.
2026-02-25 13:51:53 +00:00

159 lines
5.8 KiB
Text

guessLexFailures.lean:9:4-9:18: error: fail to show termination for
nonTerminating
with errors
failed to infer structural recursion:
Cannot use parameter #1:
failed to eliminate recursive application
nonTerminating n.succ m.succ
Cannot use parameter #2:
failed to eliminate recursive application
nonTerminating n.succ m.succ
Could not find a decreasing measure.
The basic measures relate at each recursive call as follows:
(<, ≤, =: relation proved, ? all proofs failed, _: no proof attempted)
x1 x2
1) 11:12-46 ? ?
Please use `termination_by` to specify a decreasing measure.
guessLexFailures.lean:15:0-18:31: error: Could not find a decreasing measure.
The basic measures relate at each recursive call as follows:
(<, ≤, =: relation proved, ? all proofs failed, _: no proof attempted)
x1 x2
1) 17:12-47 ? ?
Please use `termination_by` to specify a decreasing measure.
guessLexFailures.lean:20:4-20:15: error: fail to show termination for
noArguments
with errors
failed to infer structural recursion:
no parameters suitable for structural recursion
well-founded recursion cannot be used, `noArguments` does not take any (non-fixed) arguments
guessLexFailures.lean:22:4-22:23: error: fail to show termination for
noNonFixedArguments
with errors
failed to infer structural recursion:
Not considering parameter n of noNonFixedArguments:
it is unchanged in the recursive calls
no parameters suitable for structural recursion
well-founded recursion cannot be used, `noNonFixedArguments` does not take any (non-fixed) arguments
guessLexFailures.lean:27:0-33:31: error: Could not find a decreasing measure.
The basic measures relate at each recursive call as follows:
(<, ≤, =: relation proved, ? all proofs failed, _: no proof attempted)
n m l
1) 29:6-25 = = =
2) 30:6-23 = < _
3) 31:6-23 < _ _
Please use `termination_by` to specify a decreasing measure.
guessLexFailures.lean:37:0-43:31: error: Could not find a decreasing measure.
The basic measures relate at each recursive call as follows:
(<, ≤, =: relation proved, ? all proofs failed, _: no proof attempted)
n m x3
1) 39:6-27 = = =
2) 40:6-25 = < _
3) 41:6-25 < _ _
Please use `termination_by` to specify a decreasing measure.
guessLexFailures.lean:48:0-54:31: error: Could not find a decreasing measure.
The basic measures relate at each recursive call as follows:
(<, ≤, =: relation proved, ? all proofs failed, _: no proof attempted)
n m l
1) 50:6-25 = = =
2) 51:6-23 = < _
3) 52:6-23 < _ _
Please use `termination_by` to specify a decreasing measure.
guessLexFailures.lean:59:6-59:7: error: fail to show termination for
Mutual.f
Mutual.g
Mutual.h
with errors
failed to infer structural recursion:
Not considering parameter fixed of Mutual.f:
it is unchanged in the recursive calls
Not considering parameter fixed of Mutual.g:
it is unchanged in the recursive calls
Not considering parameter fixed of Mutual.h:
it is unchanged in the recursive calls
Too many possible combinations of parameters of type Nat (or please indicate the recursive argument explicitly using `termination_by structural`).
Skipping arguments of type True, as Mutual.f has no compatible argument.
Could not find a decreasing measure.
The basic measures relate at each recursive call as follows:
(<, ≤, =: relation proved, ? all proofs failed, _: no proof attempted)
Call from Mutual.f to Mutual.f at 61:8-33:
n m l
= = =
Call from Mutual.f to Mutual.f at 62:8-31:
n m l
= < <
Call from Mutual.f to Mutual.g at 63:8-39:
n m l
n < ? ?
m ? = ?
l ? ? <
Call from Mutual.g to Mutual.g at 68:8-35:
n m l
? ? =
Call from Mutual.g to Mutual.g at 69:8-33:
n m l
_ _ <
Call from Mutual.g to Mutual.h at 70:8-27:
n m l
n _ _ ?
m _ _ ?
Call from Mutual.h to Mutual.f at 75:8-33:
n m
n _ _
m _ _
l _ _
Call from Mutual.h to Mutual.h at 76:8-27:
n m
_ _
Call from Mutual.h to Mutual.h at 77:8-27:
n m
_ _
Please use `termination_by` to specify a decreasing measure.
guessLexFailures.lean:87:4-87:5: error: fail to show termination for
DuplicatedCall.f
with errors
failed to infer structural recursion:
Cannot use parameter #1:
failed to eliminate recursive application
DuplicatedCall.f (n + 2) (m + 1)
Cannot use parameter #2:
failed to eliminate recursive application
DuplicatedCall.f (n + 2) (m + 1)
Could not find a decreasing measure.
The basic measures relate at each recursive call as follows:
(<, ≤, =: relation proved, ? all proofs failed, _: no proof attempted)
n m
1) 89:19-32 ? ?
Please use `termination_by` to specify a decreasing measure.
guessLexFailures.lean:100:0-103:31: error: Could not find a decreasing measure.
The basic measures relate at each recursive call as follows:
(<, ≤, =: relation proved, ? all proofs failed, _: no proof attempted)
n m
1) 101:83-105 ? ?
Please use `termination_by` to specify a decreasing measure.
guessLexFailures.lean:113:14-113:31: error: failed to prove termination, possible solutions:
- Use `have`-expressions to prove the remaining goals
- Use `termination_by` to specify a different well-founded relation
- Use `decreasing_by` to specify your own tactic for discharging this kind of goal
n✝ m n : Nat
⊢ n < n✝
guessLexFailures.lean:119:0-123:31: error: Could not find a decreasing measure.
The basic measures relate at each recursive call as follows:
(<, ≤, =: relation proved, ? all proofs failed, _: no proof attempted)
n m
1) 121:31-54 ? ?
Please use `termination_by` to specify a decreasing measure.
guessLexFailures.lean:131:14-131:31: error: failed to prove termination, possible solutions:
- Use `have`-expressions to prove the remaining goals
- Use `termination_by` to specify a different well-founded relation
- Use `decreasing_by` to specify your own tactic for discharging this kind of goal
n✝ m n : Nat
⊢ n < n✝