Error in 14.0s

Runtime

Time bar (total: 14.0s)Debug logProfile

start126.0ms

Algorithm
intervals

setup25.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.1b

localize23.0ms

Local error

Found 2 expressions with local error:

3.2b
(- (/ 1 (+ x 1)) (/ 1 x))
0.0b
(/ 1 (+ x 1))

rewrite16.0ms

Algorithm
rewrite-expression-head
Counts
2 → 70
Calls

2 calls. Slowest were:

13.0ms
(- (/ 1 (+ x 1)) (/ 1 x))
2.0ms
(/ 1 (+ x 1))

series48.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

35.0ms
(- (/ 1 (+ x 1)) (/ 1 x))
13.0ms
(/ 1 (+ x 1))

simplify3.9s

Counts
73 → 76
Calls

73 calls. Slowest were:

468.0ms
(fma (/ 1 (+ (pow x 3) (pow 1 3))) (+ (* x x) (- (* 1 1) (* x 1))) (- (* (sqrt (/ 1 x)) (sqrt (/ 1 x)))))
451.0ms
(fma (/ 1 (+ (pow x 3) (pow 1 3))) (+ (* x x) (- (* 1 1) (* x 1))) (- (* (/ 1 x) 1)))
436.0ms
(fma (/ 1 (+ (pow x 3) (pow 1 3))) (+ (* x x) (- (* 1 1) (* x 1))) (- (* (/ 1 x) 1)))

prune623.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.2b

localize13.0ms

Local error

Found 1 expressions with local error:

0.2b
(/ -1 (fma x x x))

rewrite1.0ms

Algorithm
rewrite-expression-head
Counts
1 → 15
Calls

1 calls. Slowest were:

1.0ms
(/ -1 (fma x x x))

series19.0ms

Counts
1 → 3
Calls

1 calls. Slowest were:

19.0ms
(/ -1 (fma x x x))

simplify186.0ms

Counts
6 → 18
Calls

6 calls. Slowest were:

68.0ms
(- (/ 1 (pow x 3)) (+ (/ 1 (pow x 4)) (/ 1 (pow x 2))))
59.0ms
(- (/ 1 (pow x 3)) (+ (/ 1 (pow x 4)) (/ 1 (pow x 2))))
51.0ms
(- 1 (+ x (/ 1 x)))

prune186.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

localize23.0ms

Local error

Found 4 expressions with local error:

14.9b
(cbrt (fma x x x))
14.9b
(cbrt (fma x x x))
14.9b
(cbrt (fma x x x))
0.8b
(/ -1 (* (cbrt (fma x x x)) (cbrt (fma x x x))))

rewrite6.0ms

Algorithm
rewrite-expression-head
Counts
4 → 52
Calls

4 calls. Slowest were:

2.0ms
(/ -1 (* (cbrt (fma x x x)) (cbrt (fma x x x))))
1.0ms
(cbrt (fma x x x))
1.0ms
(cbrt (fma x x x))

series174.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

54.0ms
(cbrt (fma x x x))
51.0ms
(/ -1 (* (cbrt (fma x x x)) (cbrt (fma x x x))))
36.0ms
(cbrt (fma x x x))

simplify1.4s

Counts
22 → 64
Calls

22 calls. Slowest were:

419.0ms
(cbrt (* (cbrt (fma x x x)) (cbrt (fma x x x))))
96.0ms
(- (* 2/3 (pow x 1/3)) (+ (pow (/ 1 (pow x 2)) 1/3) (* 5/9 (pow (pow x 4) 1/3))))
86.0ms
(- (+ (* 1/3 (pow (/ 1 x) 1/3)) (pow (/ -1 x) -2/3)) (* 1/9 (pow (/ 1 (pow x 4)) 1/3)))

prune819.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.2b

localize25.0ms

Local error

Found 4 expressions with local error:

14.9b
(cbrt (fma x x x))
14.9b
(cbrt (fma x x x))
14.9b
(cbrt (fma x x x))
14.9b
(cbrt (fma x x x))

rewrite5.0ms

Algorithm
rewrite-expression-head
Counts
4 → 52
Calls

4 calls. Slowest were:

1.0ms
(cbrt (fma x x x))
1.0ms
(cbrt (fma x x x))
1.0ms
(cbrt (fma x x x))

series188.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

57.0ms
(cbrt (fma x x x))
54.0ms
(cbrt (fma x x x))
43.0ms
(cbrt (fma x x x))

simplify860.0ms

Counts
24 → 64
Calls

24 calls. Slowest were:

80.0ms
(- (+ (* 1/3 (pow (/ 1 x) 1/3)) (pow (/ 1 x) -2/3)) (* 1/9 (pow (/ 1 (pow x 4)) 1/3)))
75.0ms
(- (+ (* 1/3 (pow (pow x 4) 1/3)) (pow x 1/3)) (* 1/9 (pow (pow x 7) 1/3)))
69.0ms
(- (+ (* 1/3 (pow (/ 1 x) 1/3)) (pow (/ 1 x) -2/3)) (* 1/9 (pow (/ 1 (pow x 4)) 1/3)))

prune979.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.2b

regimes43.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018357 +o rules:numerics
(FPCore (x)
  :name "2frac (problem 3.3.1)"
  (- (/ 1 (+ x 1)) (/ 1 x)))

Backtrace

partition: contract violation expected: list? given: 0.35025921196785265 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