Error in 26.9s

Runtime

Time bar (total: 26.9s)Debug log

start401.0ms

Algorithm
intervals

setup680.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.3b

localize39.0ms

Local error

Found 4 expressions with local error:

19.0b
(sqrt (- (* b_2 b_2) (* a c)))
1.4b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
0.4b
(- (* b_2 b_2) (* a c))
0.1b
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)

rewrite88.0ms

Algorithm
rewrite-expression-head
Counts
4 → 69
Calls

4 calls. Slowest were:

49.0ms
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
25.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
8.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series174.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

57.0ms
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
46.0ms
(sqrt (- (* b_2 b_2) (* a c)))
41.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)

simplify2.0s

Counts
31 → 81
Calls

31 calls. Slowest were:

529.0ms
(sqrt (- (* (* b_2 b_2) (* b_2 b_2)) (* (* a c) (* a c))))
416.0ms
(- (* (sqrt (- (* b_2 b_2) (* a c))) (sqrt (- (* b_2 b_2) (* a c)))) (* b_2 b_2))
326.0ms
(sqrt (- (pow (* b_2 b_2) 3) (pow (* a c) 3)))

prune939.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.3b

localize12.0ms

Local error

Found 4 expressions with local error:

19.0b
(sqrt (- (* b_2 b_2) (* a c)))
1.4b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
0.4b
(- (* b_2 b_2) (* a c))
0.2b
(* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (/ 1 a))

rewrite47.0ms

Algorithm
rewrite-expression-head
Counts
4 → 77
Calls

4 calls. Slowest were:

25.0ms
(* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (/ 1 a))
14.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
5.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series188.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

59.0ms
(* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (/ 1 a))
58.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
36.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify4.1s

Counts
41 → 89
Calls

41 calls. Slowest were:

827.0ms
(* (- (* (sqrt (- (* b_2 b_2) (* a c))) (sqrt (- (* b_2 b_2) (* a c)))) (* b_2 b_2)) 1)
523.0ms
(sqrt (- (* (* b_2 b_2) (* b_2 b_2)) (* (* a c) (* a c))))
474.0ms
(* (* (* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) (* (* (/ 1 a) (/ 1 a)) (/ 1 a)))

prune919.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 5.2b

localize14.0ms

Local error

Found 4 expressions with local error:

19.0b
(sqrt (- (* b_2 b_2) (* a c)))
12.2b
(/ (fma a (- c) 0) a)
0.8b
(+ (sqrt (- (* b_2 b_2) (* a c))) b_2)
0.4b
(- (* b_2 b_2) (* a c))

rewrite19.0ms

Algorithm
rewrite-expression-head
Counts
4 → 65
Calls

4 calls. Slowest were:

11.0ms
(+ (sqrt (- (* b_2 b_2) (* a c))) b_2)
3.0ms
(sqrt (- (* b_2 b_2) (* a c)))
2.0ms
(/ (fma a (- c) 0) a)

series200.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

67.0ms
(+ (sqrt (- (* b_2 b_2) (* a c))) b_2)
57.0ms
(sqrt (- (* b_2 b_2) (* a c)))
41.0ms
(- (* b_2 b_2) (* a c))

simplify1.6s

Counts
28 → 77
Calls

28 calls. Slowest were:

541.0ms
(sqrt (- (* (* b_2 b_2) (* b_2 b_2)) (* (* a c) (* a c))))
377.0ms
(sqrt (- (pow (* b_2 b_2) 3) (pow (* a c) 3)))
157.0ms
(- (* 2 b_2) (* 1/2 (/ (* a c) b_2)))

prune1.1s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 5.2b

localize7.0ms

Local error

Found 4 expressions with local error:

19.0b
(sqrt (- (* b_2 b_2) (* a c)))
0.8b
(+ (sqrt (- (* b_2 b_2) (* a c))) b_2)
0.4b
(- (* b_2 b_2) (* a c))
0.1b
(/ (- c) (+ (sqrt (- (* b_2 b_2) (* a c))) b_2))

rewrite33.0ms

Algorithm
rewrite-expression-head
Counts
4 → 87
Calls

4 calls. Slowest were:

13.0ms
(+ (sqrt (- (* b_2 b_2) (* a c))) b_2)
11.0ms
(/ (- c) (+ (sqrt (- (* b_2 b_2) (* a c))) b_2))
6.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series318.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

161.0ms
(/ (- c) (+ (sqrt (- (* b_2 b_2) (* a c))) b_2))
69.0ms
(+ (sqrt (- (* b_2 b_2) (* a c))) b_2)
52.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.8s

Counts
61 → 99
Calls

61 calls. Slowest were:

561.0ms
(sqrt (- (* (* b_2 b_2) (* b_2 b_2)) (* (* a c) (* a c))))
458.0ms
(+ (* (sqrt (- (* b_2 b_2) (* a c))) (sqrt (- (* b_2 b_2) (* a c)))) (- (* b_2 b_2) (* (sqrt (- (* b_2 b_2) (* a c))) b_2)))
411.0ms
(sqrt (- (pow (* b_2 b_2) 3) (pow (* a c) 3)))

prune977.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 5.2b

regimes223.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 +o rules:numerics
(FPCore (a b_2 c)
  :name "quad2p (problem 3.2.1, positive)"
  (/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a))

Backtrace

partition: contract violation expected: list? given: 6.651021244115437 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