Error in 15.2s

Runtime

Time bar (total: 15.2s)Debug log

start72.0ms

Algorithm
intervals

setup24.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize25.0ms

Local error

Found 2 expressions with local error:

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

rewrite11.0ms

Algorithm
rewrite-expression-head
Counts
2 → 39
Calls

2 calls. Slowest were:

10.0ms
(+ (/ 1 (- x 1)) (/ x (+ x 1)))
1.0ms
(/ x (+ x 1))

series50.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

36.0ms
(+ (/ 1 (- x 1)) (/ x (+ x 1)))
14.0ms
(/ x (+ x 1))

simplify899.0ms

Counts
20 → 45
Calls

20 calls. Slowest were:

191.0ms
(- (+ (* 2 (pow x 2)) (+ (* 2 (pow x 4)) 1)))
166.0ms
(+ (* 2 (/ 1 (pow x 4))) (+ 1 (* 2 (/ 1 (pow x 2)))))
112.0ms
(+ (* 1 (+ x 1)) (* (- x 1) x))

prune342.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize20.0ms

Local error

Found 4 expressions with local error:

18.9b
(cbrt (* (* (/ x (+ x 1)) (/ x (+ x 1))) (/ x (+ x 1))))
0.1b
(* (* (/ x (+ x 1)) (/ x (+ x 1))) (/ x (+ x 1)))
0.0b
(* (/ x (+ x 1)) (/ x (+ x 1)))
0.0b
(+ (/ 1 (- x 1)) (cbrt (* (* (/ x (+ x 1)) (/ x (+ x 1))) (/ x (+ x 1)))))

rewrite52.0ms

Algorithm
rewrite-expression-head
Counts
4 → 115
Calls

4 calls. Slowest were:

17.0ms
(* (* (/ x (+ x 1)) (/ x (+ x 1))) (/ x (+ x 1)))
15.0ms
(cbrt (* (* (/ x (+ x 1)) (/ x (+ x 1))) (/ x (+ x 1))))
11.0ms
(+ (/ 1 (- x 1)) (cbrt (* (* (/ x (+ x 1)) (/ x (+ x 1))) (/ x (+ x 1)))))

series88.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

38.0ms
(+ (/ 1 (- x 1)) (cbrt (* (* (/ x (+ x 1)) (/ x (+ x 1))) (/ x (+ x 1)))))
20.0ms
(cbrt (* (* (/ x (+ x 1)) (/ x (+ x 1))) (/ x (+ x 1))))
15.0ms
(* (/ x (+ x 1)) (/ x (+ x 1)))

simplify10.0s

Counts
94 → 127
Calls

94 calls. Slowest were:

1.1s
(* (* (* (/ x (+ x 1)) (/ x (+ x 1))) (/ x (+ x 1))) (* (* (/ x (+ x 1)) (/ x (+ x 1))) (/ x (+ x 1))))
634.0ms
(* (* (+ x 1) (+ x 1)) (+ x 1))
536.0ms
(* (- x 1) (cbrt (* (* (+ x 1) (+ x 1)) (+ x 1))))

prune1.3s

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes76.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 +o rules:numerics
(FPCore (x)
  :name "Asymptote B"
  (+ (/ 1 (- x 1)) (/ x (+ x 1))))

Backtrace

partition: contract violation expected: list? given: 0.011 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