Error in 14.7s

Runtime

Time bar (total: 14.7s)Debug log

start101.0ms

Algorithm
intervals

setup63.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 13.7b

localize17.0ms

Local error

Found 2 expressions with local error:

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

rewrite8.0ms

Algorithm
rewrite-expression-head
Counts
2 → 70
Calls

2 calls. Slowest were:

6.0ms
(- (/ 1 (+ x 1)) (/ 1 x))
1.0ms
(/ 1 (+ x 1))

series18.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

11.0ms
(- (/ 1 (+ x 1)) (/ 1 x))
7.0ms
(/ 1 (+ x 1))

simplify3.8s

Counts
73 → 76
Calls

73 calls. Slowest were:

482.0ms
(fma (/ 1 (+ (pow x 3) (pow 1 3))) (+ (* x x) (- (* 1 1) (* x 1))) (- (* (sqrt (/ 1 x)) (sqrt (/ 1 x)))))
435.0ms
(fma (/ 1 (+ (pow x 3) (pow 1 3))) (+ (* x x) (- (* 1 1) (* x 1))) (- (* (/ 1 x) 1)))
433.0ms
(fma (/ 1 (+ (pow x 3) (pow 1 3))) (+ (* x x) (- (* 1 1) (* x 1))) (- (* (/ 1 x) 1)))

prune618.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.4b

localize10.0ms

Local error

Found 1 expressions with local error:

0.4b
(/ -1 (fma x x x))

rewrite1.0ms

Algorithm
rewrite-expression-head
Counts
1 → 15
Calls

1 calls. Slowest were:

0.0ms
(/ -1 (fma x x x))

series11.0ms

Counts
1 → 3
Calls

1 calls. Slowest were:

11.0ms
(/ -1 (fma x x x))

simplify156.0ms

Counts
6 → 18
Calls

6 calls. Slowest were:

63.0ms
(- (/ 1 (pow x 3)) (+ (/ 1 (pow x 4)) (/ 1 (pow x 2))))
56.0ms
(- (/ 1 (pow x 3)) (+ (/ 1 (pow x 4)) (/ 1 (pow x 2))))
34.0ms
(- 1 (+ x (/ 1 x)))

prune174.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.3b

localize5.0ms

Local error

Found 1 expressions with local error:

0.4b
(/ -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))

simplify154.0ms

Counts
6 → 18
Calls

6 calls. Slowest were:

53.0ms
(- 1 (+ x (/ 1 x)))
49.0ms
(- (/ 1 (pow x 3)) (+ (/ 1 (pow x 4)) (/ 1 (pow x 2))))
45.0ms
(- (/ 1 (pow x 3)) (+ (/ 1 (pow x 4)) (/ 1 (pow x 2))))

prune190.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.3b

localize12.0ms

Local error

Found 4 expressions with local error:

14.6b
(cbrt (/ -1 (fma x x x)))
14.6b
(cbrt (/ -1 (fma x x x)))
14.6b
(cbrt (/ -1 (fma x x x)))
0.4b
(* (cbrt (/ -1 (fma x x x))) (cbrt (/ -1 (fma x x x))))

rewrite15.0ms

Algorithm
rewrite-expression-head
Counts
4 → 80
Calls

4 calls. Slowest were:

10.0ms
(* (cbrt (/ -1 (fma x x x))) (cbrt (/ -1 (fma x x x))))
1.0ms
(cbrt (/ -1 (fma x x x)))
1.0ms
(cbrt (/ -1 (fma x x x)))

series257.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

69.0ms
(* (cbrt (/ -1 (fma x x x))) (cbrt (/ -1 (fma x x x))))
65.0ms
(cbrt (/ -1 (fma x x x)))
65.0ms
(cbrt (/ -1 (fma x x x)))

simplify3.9s

Counts
53 → 92
Calls

53 calls. Slowest were:

403.0ms
(- (+ (* 5/9 (* (pow (/ 1 (pow x 10)) 1/3) (pow (cbrt -1) 2))) (* (pow (/ 1 (pow x 4)) 1/3) (pow (cbrt -1) 2))) (* 2/3 (* (pow (/ 1 (pow x 7)) 1/3) (pow (cbrt -1) 2))))
365.0ms
(- (+ (* 5/9 (* (pow (/ 1 (pow x 10)) 1/3) (pow (cbrt -1) 2))) (* (pow (/ 1 (pow x 4)) 1/3) (pow (cbrt -1) 2))) (* 2/3 (* (pow (/ 1 (pow x 7)) 1/3) (pow (cbrt -1) 2))))
319.0ms
(- (+ (* 2/9 (* (pow (/ 1 (pow x 8)) 1/3) (cbrt -1))) (* (pow (/ 1 (pow x 2)) 1/3) (cbrt -1))) (* 1/3 (* (pow (/ 1 (pow x 5)) 1/3) (cbrt -1))))

prune1.0s

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.3b

regimes41.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 +o rules:numerics
(FPCore (x)
  :name "2frac (problem 3.3.1)"
  (- (/ 1 (+ x 1)) (/ 1 x)))

Backtrace

partition: contract violation expected: list? given: 1.1614286060386754 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