Error in 7.8s

Runtime

Time bar (total: 7.8s)Debug logProfile

start47.0ms

Algorithm
intervals

setup12.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.2b

localize38.0ms

Local error

Found 1 expressions with local error:

0.2b
(/ a (- (acos a)))

rewrite2.0ms

Algorithm
rewrite-expression-head
Counts
1 → 22
Calls

1 calls. Slowest were:

2.0ms
(/ a (- (acos a)))

series25.0ms

Counts
1 → 3
Calls

1 calls. Slowest were:

25.0ms
(/ a (- (acos a)))

simplify66.0ms

Counts
13 → 25
Calls

13 calls. Slowest were:

18.0ms
(* -1 (/ a (acos a)))
17.0ms
(* -1 (/ a (acos a)))
16.0ms
(* -1 (/ a (acos a)))

prune130.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.1b

localize5.0ms

Local error

Found 2 expressions with local error:

0.3b
(/ 1 (/ (- (acos a)) a))
0.2b
(/ (- (acos a)) a)

rewrite5.0ms

Algorithm
rewrite-expression-head
Counts
2 → 44
Calls

2 calls. Slowest were:

3.0ms
(/ (- (acos a)) a)
1.0ms
(/ 1 (/ (- (acos a)) a))

series48.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

25.0ms
(/ (- (acos a)) a)
23.0ms
(/ 1 (/ (- (acos a)) a))

simplify105.0ms

Counts
20 → 50
Calls

20 calls. Slowest were:

17.0ms
(* -1 (/ (acos a) a))
13.0ms
(* -1 (/ a (acos a)))
11.0ms
(* -1 (/ (acos a) a))

prune398.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0.0b

localize16.0ms

Local error

Found 2 expressions with local error:

0.3b
(* (- (acos a)) (/ 1 a))
0.3b
(/ 1 (* (- (acos a)) (/ 1 a)))

rewrite17.0ms

Algorithm
rewrite-expression-head
Counts
2 → 50
Calls

2 calls. Slowest were:

9.0ms
(* (- (acos a)) (/ 1 a))
7.0ms
(/ 1 (* (- (acos a)) (/ 1 a)))

series51.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

27.0ms
(* (- (acos a)) (/ 1 a))
24.0ms
(/ 1 (* (- (acos a)) (/ 1 a)))

simplify585.0ms

Counts
24 → 56
Calls

24 calls. Slowest were:

361.0ms
(* (* (* (- (acos a)) (- (acos a))) (- (acos a))) (* (* (/ 1 a) (/ 1 a)) (/ 1 a)))
44.0ms
(* (- (acos a)) (/ 1 a))
21.0ms
(+ (log (- (acos a))) (log (/ 1 a)))

prune367.0ms

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 0.0b

localize5.0ms

Local error

Found 2 expressions with local error:

0.5b
(/ (/ 1 (- (acos a))) (/ 1 a))
0.0b
(/ 1 (- (acos a)))

rewrite6.0ms

Algorithm
rewrite-expression-head
Counts
2 → 66
Calls

2 calls. Slowest were:

4.0ms
(/ (/ 1 (- (acos a))) (/ 1 a))
1.0ms
(/ 1 (- (acos a)))

series21.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

15.0ms
(/ (/ 1 (- (acos a))) (/ 1 a))
6.0ms
(/ 1 (- (acos a)))

simplify1.9s

Counts
58 → 72
Calls

58 calls. Slowest were:

976.0ms
(/ (* (* (/ 1 (- (acos a))) (/ 1 (- (acos a)))) (/ 1 (- (acos a)))) (* (* (/ 1 a) (/ 1 a)) (/ 1 a)))
109.0ms
(/ (/ 1 (- (acos a))) (/ 1 a))
84.0ms
(/ (/ 1 (- (acos a))) (/ 1 a))

prune562.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0b

regimes147.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018357 +o rules:numerics
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))

Backtrace

partition: contract violation expected: list? given: 0.238375 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