Error in 15.8s

Runtime

Time bar (total: 15.8s)Debug logProfile

start158.0ms

Algorithm
intervals

setup54.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 1 expressions with local error:

0.0b
(/ (+ n f) (- f n))

rewrite6.0ms

Algorithm
rewrite-expression-head
Counts
1 → 33
Calls

1 calls. Slowest were:

5.0ms
(/ (+ n f) (- f n))

series57.0ms

Counts
1 → 3
Calls

1 calls. Slowest were:

56.0ms
(/ (+ n f) (- f n))

simplify666.0ms

Counts
32 → 36
Calls

32 calls. Slowest were:

385.0ms
(/ (* (* (+ n f) (+ n f)) (+ n f)) (* (* (- f n) (- f n)) (- f n)))
39.0ms
(/ (* (cbrt (+ n f)) (cbrt (+ n f))) (* (cbrt (- f n)) (cbrt (- f n))))
37.0ms
(/ (* (cbrt (+ n f)) (cbrt (+ n f))) 1)

prune312.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(cbrt (* (* (/ (+ n f) (- f n)) (/ (+ n f) (- f n))) (/ (+ n f) (- f n))))
0.0b
(* (/ (+ n f) (- f n)) (/ (+ n f) (- f n)))
0.0b
(/ (+ n f) (- f n))
0.0b
(/ (+ n f) (- f n))

rewrite48.0ms

Algorithm
rewrite-expression-head
Counts
4 → 140
Calls

4 calls. Slowest were:

15.0ms
(* (/ (+ n f) (- f n)) (/ (+ n f) (- f n)))
12.0ms
(cbrt (* (* (/ (+ n f) (- f n)) (/ (+ n f) (- f n))) (/ (+ n f) (- f n))))
11.0ms
(/ (+ n f) (- f n))

series191.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

75.0ms
(cbrt (* (* (/ (+ n f) (- f n)) (/ (+ n f) (- f n))) (/ (+ n f) (- f n))))
45.0ms
(/ (+ n f) (- f n))
35.0ms
(* (/ (+ n f) (- f n)) (/ (+ n f) (- f n)))

simplify4.4s

Counts
124 → 152
Calls

124 calls. Slowest were:

373.0ms
(/ (* (* (+ n f) (+ n f)) (+ n f)) (* (* (- f n) (- f n)) (- f n)))
329.0ms
(/ (* (* (+ n f) (+ n f)) (+ n f)) (* (* (- f n) (- f n)) (- f n)))
319.0ms
(* (* (* (/ (+ n f) (- f n)) (/ (+ n f) (- f n))) (/ (+ n f) (- f n))) (* (* (/ (+ n f) (- f n)) (/ (+ n f) (- f n))) (/ (+ n f) (- f n))))

prune1.6s

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize18.0ms

Local error

Found 4 expressions with local error:

0.0b
(cbrt (* (expm1 (log1p (* (/ (+ n f) (- f n)) (/ (+ n f) (- f n))))) (/ (+ n f) (- f n))))
0.0b
(expm1 (log1p (* (/ (+ n f) (- f n)) (/ (+ n f) (- f n)))))
0.0b
(* (/ (+ n f) (- f n)) (/ (+ n f) (- f n)))
0.0b
(/ (+ n f) (- f n))

rewrite15.0ms

Algorithm
rewrite-expression-head
Counts
4 → 111
Calls

4 calls. Slowest were:

7.0ms
(* (/ (+ n f) (- f n)) (/ (+ n f) (- f n)))
3.0ms
(/ (+ n f) (- f n))
3.0ms
(cbrt (* (expm1 (log1p (* (/ (+ n f) (- f n)) (/ (+ n f) (- f n))))) (/ (+ n f) (- f n))))

series421.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

266.0ms
(cbrt (* (expm1 (log1p (* (/ (+ n f) (- f n)) (/ (+ n f) (- f n))))) (/ (+ n f) (- f n))))
64.0ms
(expm1 (log1p (* (/ (+ n f) (- f n)) (/ (+ n f) (- f n)))))
46.0ms
(* (/ (+ n f) (- f n)) (/ (+ n f) (- f n)))

simplify2.6s

Counts
89 → 123
Calls

89 calls. Slowest were:

376.0ms
(/ (* (* (+ n f) (+ n f)) (+ n f)) (* (* (- f n) (- f n)) (- f n)))
315.0ms
(* (* (* (/ (+ n f) (- f n)) (/ (+ n f) (- f n))) (/ (+ n f) (- f n))) (* (* (/ (+ n f) (- f n)) (/ (+ n f) (- f n))) (/ (+ n f) (- f n))))
176.0ms
(* (/ (* (* (+ n f) (+ n f)) (+ n f)) (* (* (- f n) (- f n)) (- f n))) (* (* (/ (+ n f) (- f n)) (/ (+ n f) (- f n))) (/ (+ n f) (- f n))))

prune1.5s

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize16.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- f n) (+ n f))
0.0b
(/ 1 (/ (- f n) (+ n f)))

rewrite10.0ms

Algorithm
rewrite-expression-head
Counts
2 → 66
Calls

2 calls. Slowest were:

5.0ms
(/ (- f n) (+ n f))
3.0ms
(/ 1 (/ (- f n) (+ n f)))

series73.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

37.0ms
(/ 1 (/ (- f n) (+ n f)))
36.0ms
(/ (- f n) (+ n f))

simplify844.0ms

Counts
53 → 72
Calls

53 calls. Slowest were:

356.0ms
(/ (* (* (- f n) (- f n)) (- f n)) (* (* (+ n f) (+ n f)) (+ n f)))
85.0ms
(+ (* n n) (- (* f f) (* n f)))
83.0ms
(+ (* n n) (- (* f f) (* n f)))

prune592.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

regimes92.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018357 +o rules:numerics
(FPCore (f n)
  :name "subtraction fraction"
  (/ (- (+ f n)) (- f n)))

Backtrace

partition: contract violation expected: list? given: 0.037802256254687513 argument position: 2nd other arguments...: #<procedure:ordinary-value?>LC
partition/home/p92/racket/collects/racket/list.rkt5550
errors-score/data/pavpan/nightlies/herbie/develop/src/points.rkt3220
for-loop/data/pavpan/nightlies/herbie/develop/src/sandbox.rkt7512
(unnamed)/home/p92/racket/collects/racket/private/more-scheme.rkt26128
run/home/p92/racket/share/pkgs/profile-lib/main.rkt392
profile-thunk16/home/p92/racket/share/pkgs/profile-lib/main.rkt90
(unnamed)/home/p92/racket/collects/racket/private/more-scheme.rkt26128