Error in 24.8s

Runtime

Time bar (total: 24.8s)Debug log

start268.0ms

Algorithm
intervals

setup107.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 29.8b

localize42.0ms

Local error

Found 4 expressions with local error:

19.0b
(sqrt (- (* b b) (* (* 3 a) c)))
0.8b
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
0.4b
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
0.4b
(- (* b b) (* (* 3 a) c))

rewrite44.0ms

Algorithm
rewrite-expression-head
Counts
4 → 77
Calls

4 calls. Slowest were:

23.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
11.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
6.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

series240.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

72.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
70.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
65.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

simplify2.6s

Counts
40 → 89
Calls

40 calls. Slowest were:

410.0ms
(- (* (- b) (- b)) (* (sqrt (- (* b b) (* (* 3 a) c))) (sqrt (- (* b b) (* (* 3 a) c)))))
333.0ms
(sqrt (- (pow (* b b) 3) (pow (* (* 3 a) c) 3)))
183.0ms
(/ (* (* (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))) (+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))) (* (* (* 3 a) (* 3 a)) (* 3 a)))

prune1.3s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 4.6b

localize19.0ms

Local error

Found 4 expressions with local error:

19.0b
(sqrt (fma (* a -3) c (* b b)))
0.8b
(+ (- b) (sqrt (fma (* a -3) c (* b b))))
0.4b
(/ (+ (- b) (sqrt (fma (* a -3) c (* b b)))) (* 3 a))
0.3b
(fma (* a -3) c (* b b))

rewrite24.0ms

Algorithm
rewrite-expression-head
Counts
4 → 69
Calls

4 calls. Slowest were:

13.0ms
(/ (+ (- b) (sqrt (fma (* a -3) c (* b b)))) (* 3 a))
6.0ms
(sqrt (fma (* a -3) c (* b b)))
4.0ms
(+ (- b) (sqrt (fma (* a -3) c (* b b))))

series206.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

73.0ms
(/ (+ (- b) (sqrt (fma (* a -3) c (* b b)))) (* 3 a))
52.0ms
(+ (- b) (sqrt (fma (* a -3) c (* b b))))
52.0ms
(sqrt (fma (* a -3) c (* b b)))

simplify1.2s

Counts
35 → 81
Calls

35 calls. Slowest were:

295.0ms
(- (* (- b) (- b)) (* (sqrt (fma (* a -3) c (* b b))) (sqrt (fma (* a -3) c (* b b)))))
131.0ms
(+ (pow (- b) 3) (pow (sqrt (fma (* a -3) c (* b b))) 3))
101.0ms
(/ (* (* (+ (- b) (sqrt (fma (* a -3) c (* b b)))) (+ (- b) (sqrt (fma (* a -3) c (* b b))))) (+ (- b) (sqrt (fma (* a -3) c (* b b))))) (* (* (* 3 a) (* 3 a)) (* 3 a)))

prune1.1s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 4.3b

localize32.0ms

Local error

Found 4 expressions with local error:

19.0b
(sqrt (fma a (* -3 c) (* b b)))
0.8b
(- (sqrt (fma a (* -3 c) (* b b))) b)
0.3b
(* 1/3 (/ (- (sqrt (fma a (* -3 c) (* b b))) b) a))
0.1b
(fma a (* -3 c) (* b b))

rewrite22.0ms

Algorithm
rewrite-expression-head
Counts
4 → 58
Calls

4 calls. Slowest were:

10.0ms
(- (sqrt (fma a (* -3 c) (* b b))) b)
9.0ms
(* 1/3 (/ (- (sqrt (fma a (* -3 c) (* b b))) b) a))
2.0ms
(sqrt (fma a (* -3 c) (* b b)))

series238.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

93.0ms
(* 1/3 (/ (- (sqrt (fma a (* -3 c) (* b b))) b) a))
54.0ms
(- (sqrt (fma a (* -3 c) (* b b))) b)
50.0ms
(sqrt (fma a (* -3 c) (* b b)))

simplify263.0ms

Counts
25 → 70
Calls

25 calls. Slowest were:

47.0ms
(- (pow b 2) (* 3 (* a c)))
46.0ms
(- (pow b 2) (* 3 (* a c)))
34.0ms
(- (pow b 2) (* 3 (* a c)))

prune975.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 4.3b

localize1.0ms

Local error

Found 4 expressions with local error:

19.0b
(sqrt (fma (* a -3) c (* b b)))
0.8b
(+ (- b) (sqrt (fma (* a -3) c (* b b))))
0.4b
(/ (+ (- b) (sqrt (fma (* a -3) c (* b b)))) (* 3 a))
0.3b
(fma (* a -3) c (* b b))

rewrite21.0ms

Algorithm
rewrite-expression-head
Counts
4 → 69
Calls

4 calls. Slowest were:

15.0ms
(/ (+ (- b) (sqrt (fma (* a -3) c (* b b)))) (* 3 a))
4.0ms
(+ (- b) (sqrt (fma (* a -3) c (* b b))))
1.0ms
(sqrt (fma (* a -3) c (* b b)))

series208.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

70.0ms
(/ (+ (- b) (sqrt (fma (* a -3) c (* b b)))) (* 3 a))
53.0ms
(sqrt (fma (* a -3) c (* b b)))
48.0ms
(+ (- b) (sqrt (fma (* a -3) c (* b b))))

simplify1.3s

Counts
35 → 81
Calls

35 calls. Slowest were:

327.0ms
(- (* (- b) (- b)) (* (sqrt (fma (* a -3) c (* b b))) (sqrt (fma (* a -3) c (* b b)))))
200.0ms
(+ (pow (- b) 3) (pow (sqrt (fma (* a -3) c (* b b))) 3))
103.0ms
(/ (* (* (+ (- b) (sqrt (fma (* a -3) c (* b b)))) (+ (- b) (sqrt (fma (* a -3) c (* b b))))) (+ (- b) (sqrt (fma (* a -3) c (* b b))))) (* (* (* 3 a) (* 3 a)) (* 3 a)))

prune1.2s

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 4.3b

regimes812.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 +o rules:numerics
(FPCore (a b c d)
  :name "Cubic critical"
  (/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a)))

Backtrace

partition: contract violation expected: list? given: 9.451703018422705 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