Error in 26.9s

Runtime

Time bar (total: 26.9s)Debug log

start302.0ms

Algorithm
intervals

setup92.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 29.8b

localize24.0ms

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))

rewrite40.0ms

Algorithm
rewrite-expression-head
Counts
4 → 63
Calls

4 calls. Slowest were:

30.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
5.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
2.0ms
(- (* b b) (* (* 3 a) c))

series235.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

83.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
69.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
43.0ms
(- (* b b) (* (* 3 a) c))

simplify2.4s

Counts
36 → 75
Calls

36 calls. Slowest were:

428.0ms
(sqrt (- (pow (* b b) 3) (pow (* (* 3 a) c) 3)))
289.0ms
(- (* (- b) (- b)) (* (sqrt (- (* b b) (* (* 3 a) c))) (sqrt (- (* b b) (* (* 3 a) c)))))
243.0ms
(+ (pow (- b) 3) (pow (sqrt (- (* b b) (* (* 3 a) c))) 3))

prune1.1s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 4.3b

localize48.0ms

Local error

Found 4 expressions with local error:

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

rewrite40.0ms

Algorithm
rewrite-expression-head
Counts
4 → 50
Calls

4 calls. Slowest were:

19.0ms
(- (sqrt (+ (* b b) (* -3 (* c a)))) b)
14.0ms
(- (sqrt (+ (* b b) (* -3 (* c a)))) b)
4.0ms
(sqrt (+ (* b b) (* -3 (* c a))))

series216.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

65.0ms
(- (sqrt (+ (* b b) (* -3 (* c a)))) b)
54.0ms
(- (sqrt (+ (* b b) (* -3 (* c a)))) b)
54.0ms
(sqrt (+ (* b b) (* -3 (* c a))))

simplify1.3s

Counts
24 → 62
Calls

24 calls. Slowest were:

177.0ms
(sqrt (+ (pow (* b b) 3) (pow (* -3 (* c a)) 3)))
151.0ms
(sqrt (- (* (* b b) (* b b)) (* (* -3 (* c a)) (* -3 (* c a)))))
147.0ms
(sqrt (+ (pow (* b b) 3) (pow (* -3 (* c a)) 3)))

prune1.1s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 4.3b

localize18.0ms

Local error

Found 4 expressions with local error:

19.0b
(sqrt (- (pow b 2) (* 3 (* a c))))
0.8b
(+ (- b) (sqrt (- (pow b 2) (* 3 (* a c)))))
0.4b
(/ (+ (- b) (sqrt (- (pow b 2) (* 3 (* a c))))) (* 3 a))
0.4b
(- (pow b 2) (* 3 (* a c)))

rewrite61.0ms

Algorithm
rewrite-expression-head
Counts
4 → 63
Calls

4 calls. Slowest were:

40.0ms
(/ (+ (- b) (sqrt (- (pow b 2) (* 3 (* a c))))) (* 3 a))
10.0ms
(+ (- b) (sqrt (- (pow b 2) (* 3 (* a c)))))
6.0ms
(- (pow b 2) (* 3 (* a c)))

series264.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

81.0ms
(/ (+ (- b) (sqrt (- (pow b 2) (* 3 (* a c))))) (* 3 a))
71.0ms
(sqrt (- (pow b 2) (* 3 (* a c))))
68.0ms
(+ (- b) (sqrt (- (pow b 2) (* 3 (* a c)))))

simplify3.2s

Counts
36 → 75
Calls

36 calls. Slowest were:

1.1s
(- (* (- b) (- b)) (* (sqrt (- (pow b 2) (* 3 (* a c)))) (sqrt (- (pow b 2) (* 3 (* a c))))))
355.0ms
(sqrt (- (pow (pow b 2) 3) (pow (* 3 (* a c)) 3)))
268.0ms
(+ (pow (- b) 3) (pow (sqrt (- (pow b 2) (* 3 (* a c)))) 3))

prune1.3s

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 4.3b

localize6.0ms

Local error

Found 4 expressions with local error:

19.0b
(sqrt (- (pow b 2) (* 3 (* a c))))
0.8b
(+ (- b) (sqrt (- (pow b 2) (* 3 (* a c)))))
0.4b
(- (pow b 2) (* 3 (* a c)))
0.3b
(* 3 (* a c))

rewrite14.0ms

Algorithm
rewrite-expression-head
Counts
4 → 48
Calls

4 calls. Slowest were:

7.0ms
(+ (- b) (sqrt (- (pow b 2) (* 3 (* a c)))))
3.0ms
(- (pow b 2) (* 3 (* a c)))
3.0ms
(sqrt (- (pow b 2) (* 3 (* a c))))

series174.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

70.0ms
(+ (- b) (sqrt (- (pow b 2) (* 3 (* a c)))))
49.0ms
(sqrt (- (pow b 2) (* 3 (* a c))))
38.0ms
(- (pow b 2) (* 3 (* a c)))

simplify1.3s

Counts
21 → 60
Calls

21 calls. Slowest were:

346.0ms
(sqrt (- (pow (pow b 2) 3) (pow (* 3 (* a c)) 3)))
182.0ms
(sqrt (- (* (pow b 2) (pow b 2)) (* (* 3 (* a c)) (* 3 (* a c)))))
123.0ms
(/ (exp (pow b 2)) (exp (* 3 (* a c))))

prune826.0ms

Pruning

12 alts after pruning (9 fresh and 3 done)

Merged error: 4.3b

regimes684.0ms

Please include this information when filing a bug report:

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

Backtrace

partition: contract violation expected: list? given: 9.395446269200091 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