Error in 25.8s

Runtime

Time bar (total: 25.8s)Debug log

start312.0ms

Algorithm
intervals

setup135.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.2b

localize40.0ms

Local error

Found 4 expressions with local error:

19.0b
(sqrt (fma (* a c) -4 (* b b)))
1.3b
(- (sqrt (fma (* a c) -4 (* b b))) b)
0.4b
(fma (* a c) -4 (* b b))
0.1b
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) (* 2 a))

rewrite35.0ms

Algorithm
rewrite-expression-head
Counts
4 → 67
Calls

4 calls. Slowest were:

22.0ms
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) (* 2 a))
10.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
2.0ms
(sqrt (fma (* a c) -4 (* b b)))

series261.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

100.0ms
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) (* 2 a))
73.0ms
(sqrt (fma (* a c) -4 (* b b)))
53.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)

simplify1.4s

Counts
34 → 79
Calls

34 calls. Slowest were:

755.0ms
(- (* (sqrt (fma (* a c) -4 (* b b))) (sqrt (fma (* a c) -4 (* b b)))) (* b b))
127.0ms
(- (pow (sqrt (fma (* a c) -4 (* b b))) 3) (pow b 3))
75.0ms
(/ (* (* (- (sqrt (fma (* a c) -4 (* b b))) b) (- (sqrt (fma (* a c) -4 (* b b))) b)) (- (sqrt (fma (* a c) -4 (* b b))) b)) (* (* (* 2 a) (* 2 a)) (* 2 a)))

prune1.2s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 19.3b

localize6.0ms

Local error

Found 4 expressions with local error:

19.0b
(sqrt (fma (* a c) -4 (* b b)))
1.3b
(- (sqrt (fma (* a c) -4 (* b b))) b)
0.4b
(fma (* a c) -4 (* b b))
0.2b
(* (- (sqrt (fma (* a c) -4 (* b b))) b) (/ 1 (* 2 a)))

rewrite19.0ms

Algorithm
rewrite-expression-head
Counts
4 → 70
Calls

4 calls. Slowest were:

12.0ms
(* (- (sqrt (fma (* a c) -4 (* b b))) b) (/ 1 (* 2 a)))
5.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
1.0ms
(sqrt (fma (* a c) -4 (* b b)))

series268.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

100.0ms
(* (- (sqrt (fma (* a c) -4 (* b b))) b) (/ 1 (* 2 a)))
68.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
51.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify2.3s

Counts
39 → 82
Calls

39 calls. Slowest were:

330.0ms
(* (- (* (sqrt (fma (* a c) -4 (* b b))) (sqrt (fma (* a c) -4 (* b b)))) (* b b)) 1)
320.0ms
(* (- (* (sqrt (fma (* a c) -4 (* b b))) (sqrt (fma (* a c) -4 (* b b)))) (* b b)) (/ 1 (* 2 a)))
250.0ms
(* (- (sqrt (fma (* a c) -4 (* b b))) b) (/ 1 (* 2 a)))

prune1.4s

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 18.6b

localize25.0ms

Local error

Found 4 expressions with local error:

19.0b
(sqrt (fma (* a c) -4 (* b b)))
12.3b
(* (* a (* -4 c)) (/ 1/2 a))
1.0b
(+ (sqrt (fma (* a c) -4 (* b b))) b)
0.4b
(fma (* a c) -4 (* b b))

rewrite10.0ms

Algorithm
rewrite-expression-head
Counts
4 → 61
Calls

4 calls. Slowest were:

4.0ms
(* (* a (* -4 c)) (/ 1/2 a))
4.0ms
(+ (sqrt (fma (* a c) -4 (* b b))) b)
1.0ms
(sqrt (fma (* a c) -4 (* b b)))

series164.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

56.0ms
(sqrt (fma (* a c) -4 (* b b)))
56.0ms
(+ (sqrt (fma (* a c) -4 (* b b))) b)
41.0ms
(fma (* a c) -4 (* b b))

simplify834.0ms

Counts
28 → 73
Calls

28 calls. Slowest were:

265.0ms
(* (* a (* -4 c)) (/ 1/2 a))
148.0ms
(* (* (* (* a (* -4 c)) (* a (* -4 c))) (* a (* -4 c))) (* (* (/ 1/2 a) (/ 1/2 a)) (/ 1/2 a)))
123.0ms
(+ (log (* a (* -4 c))) (log (/ 1/2 a)))

prune1.1s

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 11.4b

localize6.0ms

Local error

Found 4 expressions with local error:

19.0b
(sqrt (fma (* a c) -4 (* b b)))
1.0b
(+ (sqrt (fma (* a c) -4 (* b b))) b)
0.4b
(fma (* a c) -4 (* b b))
0.1b
(/ (* -2 c) (+ (sqrt (fma (* a c) -4 (* b b))) b))

rewrite27.0ms

Algorithm
rewrite-expression-head
Counts
4 → 65
Calls

4 calls. Slowest were:

13.0ms
(/ (* -2 c) (+ (sqrt (fma (* a c) -4 (* b b))) b))
8.0ms
(+ (sqrt (fma (* a c) -4 (* b b))) b)
4.0ms
(sqrt (fma (* a c) -4 (* b b)))

series293.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

138.0ms
(/ (* -2 c) (+ (sqrt (fma (* a c) -4 (* b b))) b))
57.0ms
(+ (sqrt (fma (* a c) -4 (* b b))) b)
50.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify841.0ms

Counts
34 → 77
Calls

34 calls. Slowest were:

251.0ms
(+ (* (sqrt (fma (* a c) -4 (* b b))) (sqrt (fma (* a c) -4 (* b b)))) (- (* b b) (* (sqrt (fma (* a c) -4 (* b b))) b)))
118.0ms
(/ (* (* (* -2 c) (* -2 c)) (* -2 c)) (* (* (+ (sqrt (fma (* a c) -4 (* b b))) b) (+ (sqrt (fma (* a c) -4 (* b b))) b)) (+ (sqrt (fma (* a c) -4 (* b b))) b)))
46.0ms
(- (log (* -2 c)) (log (+ (sqrt (fma (* a c) -4 (* b b))) b)))

prune1.1s

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 10.7b

regimes315.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 +o rules:numerics
(FPCore (a b c)
  :name "quadp (p42, positive)"

  :herbie-target
  (if (< b 0) (/ (+ (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a)) (/ c (* a (/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a)))))

  (/ (+ (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a)))

Backtrace

partition: contract violation expected: list? given: 12.48072741608132 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