Error in 35.5s

Runtime

Time bar (total: 35.5s)Debug log

start433.0ms

Algorithm
intervals

setup1.1s

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.5b

localize33.0ms

Local error

Found 2 expressions with local error:

0.5b
(acos (/ (fma (* -5 v) v 1) (fma v v -1)))
0.0b
(/ (fma (* -5 v) v 1) (fma v v -1))

rewrite7.0ms

Algorithm
rewrite-expression-head
Counts
2 → 39
Calls

2 calls. Slowest were:

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

series41.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

37.0ms
(/ (fma (* -5 v) v 1) (fma v v -1))
4.0ms
(acos (/ (fma (* -5 v) v 1) (fma v v -1)))

simplify3.1s

Counts
31 → 45
Calls

31 calls. Slowest were:

683.0ms
(- (+ (* 4 (/ 1 (pow v 4))) (+ 5 (* 4 (/ 1 (pow v 2))))))
670.0ms
(- (+ (* 4 (/ 1 (pow v 4))) (+ 5 (* 4 (/ 1 (pow v 2))))))
383.0ms
(/ (* (* (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)))

prune560.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.5b

localize15.0ms

Local error

Found 4 expressions with local error:

0.5b
(acos (/ (fma (* -5 v) v 1) (fma v v -1)))
0.0b
(expm1 (log1p (acos (/ (fma (* -5 v) v 1) (fma v v -1)))))
0.0b
(/ (fma (* -5 v) v 1) (fma v v -1))
0.0b
(log1p (acos (/ (fma (* -5 v) v 1) (fma v v -1))))

rewrite13.0ms

Algorithm
rewrite-expression-head
Counts
4 → 61
Calls

4 calls. Slowest were:

10.0ms
(/ (fma (* -5 v) v 1) (fma v v -1))
1.0ms
(acos (/ (fma (* -5 v) v 1) (fma v v -1)))
1.0ms
(log1p (acos (/ (fma (* -5 v) v 1) (fma v v -1))))

series307.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

176.0ms
(expm1 (log1p (acos (/ (fma (* -5 v) v 1) (fma v v -1)))))
88.0ms
(log1p (acos (/ (fma (* -5 v) v 1) (fma v v -1))))
38.0ms
(/ (fma (* -5 v) v 1) (fma v v -1))

simplify3.5s

Counts
39 → 73
Calls

39 calls. Slowest were:

585.0ms
(- (+ (* 4 (/ 1 (pow v 4))) (+ 5 (* 4 (/ 1 (pow v 2))))))
565.0ms
(- (+ (* 4 (/ 1 (pow v 4))) (+ 5 (* 4 (/ 1 (pow v 2))))))
370.0ms
(/ (* (* (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)))

prune975.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.5b

localize1.0ms

Local error

Found 2 expressions with local error:

0.5b
(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:

3.0ms
(/ (fma (* -5 v) v 1) (fma v v -1))
1.0ms
(acos (/ (fma (* -5 v) v 1) (fma v v -1)))

series29.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

27.0ms
(/ (fma (* -5 v) v 1) (fma v v -1))
3.0ms
(acos (/ (fma (* -5 v) v 1) (fma v v -1)))

simplify3.0s

Counts
31 → 45
Calls

31 calls. Slowest were:

642.0ms
(- (+ (* 4 (/ 1 (pow v 4))) (+ 5 (* 4 (/ 1 (pow v 2))))))
594.0ms
(- (+ (* 4 (/ 1 (pow v 4))) (+ 5 (* 4 (/ 1 (pow v 2))))))
402.0ms
(/ (* (* (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)))

prune530.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.5b

localize14.0ms

Local error

Found 4 expressions with local error:

0.5b
(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)))
0.0b
(log1p (acos (* (fma (* -5 v) v 1) (/ 1 (fma v v -1)))))

rewrite8.0ms

Algorithm
rewrite-expression-head
Counts
4 → 55
Calls

4 calls. Slowest were:

6.0ms
(* (fma (* -5 v) v 1) (/ 1 (fma v v -1)))
1.0ms
(log1p (acos (* (fma (* -5 v) v 1) (/ 1 (fma v v -1)))))
1.0ms
(acos (* (fma (* -5 v) v 1) (/ 1 (fma v v -1))))

series295.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

171.0ms
(expm1 (log1p (acos (* (fma (* -5 v) v 1) (/ 1 (fma v v -1))))))
82.0ms
(log1p (acos (* (fma (* -5 v) v 1) (/ 1 (fma v v -1)))))
36.0ms
(* (fma (* -5 v) v 1) (/ 1 (fma v v -1)))

simplify3.7s

Counts
26 → 67
Calls

26 calls. Slowest were:

689.0ms
(- (+ (* 4 (/ 1 (pow v 4))) (+ 5 (* 4 (/ 1 (pow v 2))))))
572.0ms
(- (+ (* 4 (/ 1 (pow v 4))) (+ 5 (* 4 (/ 1 (pow v 2))))))
454.0ms
(* (* (* (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))))

prune1.0s

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.5b

regimes49.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 +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: 0.572999261810982 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