Error in 34.1s

Runtime

Time bar (total: 34.1s)Debug logProfile

start425.0ms

Algorithm
intervals

setup637.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.3b

localize15.0ms

Local error

Found 2 expressions with local error:

0.3b
(acos (/ (fma (* -5 v) v 1) (fma v v -1)))
0.0b
(/ (fma (* -5 v) v 1) (fma v v -1))

rewrite5.0ms

Algorithm
rewrite-expression-head
Counts
2 → 39
Calls

2 calls. Slowest were:

4.0ms
(/ (fma (* -5 v) v 1) (fma v v -1))
1.0ms
(acos (/ (fma (* -5 v) v 1) (fma v v -1)))

series53.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

50.0ms
(/ (fma (* -5 v) v 1) (fma v v -1))
3.0ms
(acos (/ (fma (* -5 v) v 1) (fma v v -1)))

simplify3.1s

Counts
31 → 45
Calls

31 calls. Slowest were:

715.0ms
(- (+ (* 4 (/ 1 (pow v 4))) (+ 5 (* 4 (/ 1 (pow v 2))))))
600.0ms
(- (+ (* 4 (/ 1 (pow v 4))) (+ 5 (* 4 (/ 1 (pow v 2))))))
336.0ms
(/ (* (* (fma (* -5 v) v 1) (fma (* -5 v) v 1)) (fma (* -5 v) v 1)) (* (* (fma v v -1) (fma v v -1)) (fma v v -1)))

prune612.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.3b

localize14.0ms

Local error

Found 2 expressions with local error:

0.3b
(acos (* (fma (* -5 v) v 1) (/ 1 (fma v v -1))))
0.0b
(* (fma (* -5 v) v 1) (/ 1 (fma v v -1)))

rewrite10.0ms

Algorithm
rewrite-expression-head
Counts
2 → 33
Calls

2 calls. Slowest were:

8.0ms
(* (fma (* -5 v) v 1) (/ 1 (fma v v -1)))
1.0ms
(acos (* (fma (* -5 v) v 1) (/ 1 (fma v v -1))))

series45.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

40.0ms
(* (fma (* -5 v) v 1) (/ 1 (fma v v -1)))
4.0ms
(acos (* (fma (* -5 v) v 1) (/ 1 (fma v v -1))))

simplify2.6s

Counts
18 → 39
Calls

18 calls. Slowest were:

698.0ms
(- (+ (* 4 (/ 1 (pow v 4))) (+ 5 (* 4 (/ 1 (pow v 2))))))
576.0ms
(- (+ (* 4 (/ 1 (pow v 4))) (+ 5 (* 4 (/ 1 (pow v 2))))))
472.0ms
(* (* (* (fma (* -5 v) v 1) (fma (* -5 v) v 1)) (fma (* -5 v) v 1)) (* (* (/ 1 (fma v v -1)) (/ 1 (fma v v -1))) (/ 1 (fma v v -1))))

prune474.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.3b

localize13.0ms

Local error

Found 3 expressions with local error:

0.3b
(acos (* (fma (* -5 v) v 1) (/ 1 (fma v v -1))))
0.0b
(expm1 (log1p (acos (* (fma (* -5 v) v 1) (/ 1 (fma v v -1))))))
0.0b
(* (fma (* -5 v) v 1) (/ 1 (fma v v -1)))

rewrite11.0ms

Algorithm
rewrite-expression-head
Counts
3 → 44
Calls

3 calls. Slowest were:

8.0ms
(* (fma (* -5 v) v 1) (/ 1 (fma v v -1)))
1.0ms
(acos (* (fma (* -5 v) v 1) (/ 1 (fma v v -1))))
0.0ms
(expm1 (log1p (acos (* (fma (* -5 v) v 1) (/ 1 (fma v v -1))))))

series208.0ms

Counts
3 → 9
Calls

3 calls. Slowest were:

176.0ms
(expm1 (log1p (acos (* (fma (* -5 v) v 1) (/ 1 (fma v v -1))))))
28.0ms
(* (fma (* -5 v) v 1) (/ 1 (fma v v -1)))
5.0ms
(acos (* (fma (* -5 v) v 1) (/ 1 (fma v v -1))))

simplify2.8s

Counts
22 → 53
Calls

22 calls. Slowest were:

664.0ms
(- (+ (* 4 (/ 1 (pow v 4))) (+ 5 (* 4 (/ 1 (pow v 2))))))
502.0ms
(* (* (* (fma (* -5 v) v 1) (fma (* -5 v) v 1)) (fma (* -5 v) v 1)) (* (* (/ 1 (fma v v -1)) (/ 1 (fma v v -1))) (/ 1 (fma v v -1))))
494.0ms
(- (+ (* 4 (/ 1 (pow v 4))) (+ 5 (* 4 (/ 1 (pow v 2))))))

prune798.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.3b

localize9.0ms

Local error

Found 4 expressions with local error:

1.0b
(cbrt (acos (/ (fma (* -5 v) v 1) (fma v v -1))))
1.0b
(cbrt (acos (/ (fma (* -5 v) v 1) (fma v v -1))))
1.0b
(cbrt (acos (/ (fma (* -5 v) v 1) (fma v v -1))))
1.0b
(* (cbrt (acos (/ (fma (* -5 v) v 1) (fma v v -1)))) (cbrt (acos (/ (fma (* -5 v) v 1) (fma v v -1)))))

rewrite8.0ms

Algorithm
rewrite-expression-head
Counts
4 → 69
Calls

4 calls. Slowest were:

6.0ms
(* (cbrt (acos (/ (fma (* -5 v) v 1) (fma v v -1)))) (cbrt (acos (/ (fma (* -5 v) v 1) (fma v v -1)))))
1.0ms
(cbrt (acos (/ (fma (* -5 v) v 1) (fma v v -1))))
1.0ms
(cbrt (acos (/ (fma (* -5 v) v 1) (fma v v -1))))

series779.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

223.0ms
(cbrt (acos (/ (fma (* -5 v) v 1) (fma v v -1))))
209.0ms
(* (cbrt (acos (/ (fma (* -5 v) v 1) (fma v v -1)))) (cbrt (acos (/ (fma (* -5 v) v 1) (fma v v -1)))))
180.0ms
(cbrt (acos (/ (fma (* -5 v) v 1) (fma v v -1))))

simplify2.9s

Counts
41 → 81
Calls

41 calls. Slowest were:

122.0ms
(cbrt (sqrt (acos (/ (fma (* -5 v) v 1) (fma v v -1)))))
112.0ms
(pow (pow (acos (/ (fma (* -5 v) v 1) (fma v v -1))) 2) 1/3)
110.0ms
(pow (acos (/ (fma (* -5 v) v 1) (fma v v -1))) 1/3)

prune648.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.3b

regimes62.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018357 +o rules:numerics
(FPCore (v)
  :name "Falkner and Boettcher, Appendix B, 1"
  (acos (/ (- 1 (* 5 (* v v))) (- (* v v) 1))))

Backtrace

partition: contract violation expected: list? given: 0.5222923084895078 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