Error in 26.6s

Runtime

Time bar (total: 26.6s)Debug log

start74.0ms

Algorithm
intervals

setup53.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 13.6b

localize27.0ms

Local error

Found 2 expressions with local error:

3.0b
(- (/ 1 (+ x 1)) (/ 1 (- x 1)))
0.0b
(/ 1 (+ x 1))

rewrite9.0ms

Algorithm
rewrite-expression-head
Counts
2 → 37
Calls

2 calls. Slowest were:

7.0ms
(- (/ 1 (+ x 1)) (/ 1 (- x 1)))
1.0ms
(/ 1 (+ x 1))

series31.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

24.0ms
(- (/ 1 (+ x 1)) (/ 1 (- x 1)))
6.0ms
(/ 1 (+ x 1))

simplify1.5s

Counts
23 → 43
Calls

23 calls. Slowest were:

444.0ms
(- (+ (* 2 (/ 1 (pow x 4))) (+ (* 2 (/ 1 (pow x 6))) (* 2 (/ 1 (pow x 2))))))
408.0ms
(- (+ (* 2 (/ 1 (pow x 4))) (+ (* 2 (/ 1 (pow x 6))) (* 2 (/ 1 (pow x 2))))))
171.0ms
(- (* 1 (- x 1)) (* (+ x 1) 1))

prune300.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.4b

localize9.0ms

Local error

Found 1 expressions with local error:

0.4b
(/ -2 (* (+ x 1) (- x 1)))

rewrite3.0ms

Algorithm
rewrite-expression-head
Counts
1 → 19
Calls

1 calls. Slowest were:

3.0ms
(/ -2 (* (+ x 1) (- x 1)))

series32.0ms

Counts
1 → 3
Calls

1 calls. Slowest were:

32.0ms
(/ -2 (* (+ x 1) (- x 1)))

simplify1.8s

Counts
12 → 22
Calls

12 calls. Slowest were:

476.0ms
(- (+ (* 2 (/ 1 (pow x 4))) (+ (* 2 (/ 1 (pow x 6))) (* 2 (/ 1 (pow x 2))))))
458.0ms
(- (+ (* 2 (/ 1 (pow x 4))) (+ (* 2 (/ 1 (pow x 6))) (* 2 (/ 1 (pow x 2))))))
323.0ms
(* (+ (* x x) (- (* 1 1) (* x 1))) (+ (* x x) (+ (* 1 1) (* x 1))))

prune245.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 2 expressions with local error:

0.1b
(/ (/ -2 (+ x 1)) (- x 1))
0.0b
(/ -2 (+ x 1))

rewrite9.0ms

Algorithm
rewrite-expression-head
Counts
2 → 57
Calls

2 calls. Slowest were:

7.0ms
(/ (/ -2 (+ x 1)) (- x 1))
1.0ms
(/ -2 (+ x 1))

series42.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

31.0ms
(/ (/ -2 (+ x 1)) (- x 1))
11.0ms
(/ -2 (+ x 1))

simplify4.3s

Counts
58 → 63
Calls

58 calls. Slowest were:

514.0ms
(- (* 2 (/ 1 (pow x 2))) (+ (* 2 (/ 1 (pow x 3))) (* 2 (/ 1 x))))
477.0ms
(- (* 2 (/ 1 (pow x 2))) (+ (* 2 (/ 1 (pow x 3))) (* 2 (/ 1 x))))
428.0ms
(- (+ (* 2 (/ 1 (pow x 4))) (+ (* 2 (/ 1 (pow x 6))) (* 2 (/ 1 (pow x 2))))))

prune595.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

localize29.0ms

Local error

Found 3 expressions with local error:

3.9b
(* (/ -2 (* (+ x 1) (- (* x x) (* 1 1)))) (+ x 1))
0.1b
(/ -2 (* (+ x 1) (- (* x x) (* 1 1))))
0.1b
(* (+ x 1) (- (* x x) (* 1 1)))

rewrite36.0ms

Algorithm
rewrite-expression-head
Counts
3 → 82
Calls

3 calls. Slowest were:

17.0ms
(* (/ -2 (* (+ x 1) (- (* x x) (* 1 1)))) (+ x 1))
13.0ms
(* (+ x 1) (- (* x x) (* 1 1)))
4.0ms
(/ -2 (* (+ x 1) (- (* x x) (* 1 1))))

series48.0ms

Counts
3 → 9
Calls

3 calls. Slowest were:

23.0ms
(* (/ -2 (* (+ x 1) (- (* x x) (* 1 1)))) (+ x 1))
15.0ms
(/ -2 (* (+ x 1) (- (* x x) (* 1 1))))
10.0ms
(* (+ x 1) (- (* x x) (* 1 1)))

simplify12.3s

Counts
68 → 91
Calls

68 calls. Slowest were:

1.2s
(* (cbrt (/ -2 (* (+ x 1) (- (* x x) (* 1 1))))) (cbrt (/ -2 (* (+ x 1) (- (* x x) (* 1 1))))))
872.0ms
(* (+ x 1) (- (* x x) (* 1 1)))
603.0ms
(sqrt (/ -2 (* (+ x 1) (- (* x x) (* 1 1)))))

prune967.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.0b

regimes31.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 
(FPCore (x)
  :name "Asymptote A"
  (- (/ 1 (+ x 1)) (/ 1 (- x 1))))

Backtrace

partition: contract violation expected: list? given: 0.069625 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