Error in 14.2s

Runtime

Time bar (total: 14.2s)Debug log

start60.0ms

Algorithm
intervals

setup24.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize41.0ms

Local error

Found 2 expressions with local error:

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

rewrite12.0ms

Algorithm
rewrite-expression-head
Counts
2 → 29
Calls

2 calls. Slowest were:

11.0ms
(+ (/ 1 (- x 1)) (/ x (+ x 1)))
1.0ms
(/ x (+ x 1))

series44.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

33.0ms
(+ (/ 1 (- x 1)) (/ x (+ x 1)))
10.0ms
(/ x (+ x 1))

simplify583.0ms

Counts
16 → 35
Calls

16 calls. Slowest were:

126.0ms
(+ (* 1 (+ x 1)) (* (- x 1) x))
83.0ms
(- (+ (* 2 (pow x 2)) (+ (* 2 (pow x 4)) 1)))
74.0ms
(+ (* 2 (/ 1 (pow x 4))) (+ 1 (* 2 (/ 1 (pow x 2)))))

prune263.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize10.0ms

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)))))

rewrite28.0ms

Algorithm
rewrite-expression-head
Counts
4 → 101
Calls

4 calls. Slowest were:

9.0ms
(* (* (/ x (+ x 1)) (/ x (+ x 1))) (/ x (+ x 1)))
8.0ms
(cbrt (* (* (/ x (+ x 1)) (/ x (+ x 1))) (/ x (+ x 1))))
6.0ms
(+ (/ 1 (- x 1)) (cbrt (* (* (/ x (+ x 1)) (/ x (+ x 1))) (/ x (+ x 1)))))

series97.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

46.0ms
(+ (/ 1 (- x 1)) (cbrt (* (* (/ x (+ x 1)) (/ x (+ x 1))) (/ x (+ x 1)))))
19.0ms
(cbrt (* (* (/ x (+ x 1)) (/ x (+ x 1))) (/ x (+ x 1))))
17.0ms
(* (/ x (+ x 1)) (/ x (+ x 1)))

simplify9.6s

Counts
90 → 113
Calls

90 calls. Slowest were:

1.1s
(* (* (* (/ x (+ x 1)) (/ x (+ x 1))) (/ x (+ x 1))) (* (* (/ x (+ x 1)) (/ x (+ x 1))) (/ x (+ x 1))))
718.0ms
(+ (* 1 (cbrt (* (* (+ x 1) (+ x 1)) (+ x 1)))) (* (- x 1) (cbrt (* (* x x) x))))
433.0ms
(* (- x 1) (cbrt (* (* (+ x 1) (+ x 1)) (+ x 1))))

prune1.1s

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes66.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 
(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