Error in 26.9s

Runtime

Time bar (total: 26.9s)Debug logProfile

start273.0ms

Algorithm
intervals

setup142.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 20.5b

localize167.0ms

Local error

Found 4 expressions with local error:

23.8b
(sqrt (+ (* (* -4 a) c) (* b b)))
23.8b
(sqrt (+ (* (* -4 a) c) (* b b)))
0.9b
(- (- b) (sqrt (+ (* (* -4 a) c) (* b b))))
0.7b
(- (sqrt (+ (* (* -4 a) c) (* b b))) b)

rewrite50.0ms

Algorithm
rewrite-expression-head
Counts
4 → 55
Calls

4 calls. Slowest were:

28.0ms
(- (sqrt (+ (* (* -4 a) c) (* b b))) b)
13.0ms
(- (- b) (sqrt (+ (* (* -4 a) c) (* b b))))
4.0ms
(sqrt (+ (* (* -4 a) c) (* b b)))

series286.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

79.0ms
(- (sqrt (+ (* (* -4 a) c) (* b b))) b)
78.0ms
(- (- b) (sqrt (+ (* (* -4 a) c) (* b b))))
74.0ms
(sqrt (+ (* (* -4 a) c) (* b b)))

simplify1.3s

Counts
30 → 67
Calls

30 calls. Slowest were:

280.0ms
(sqrt (+ (pow (* (* -4 a) c) 3) (pow (* b b) 3)))
224.0ms
(sqrt (- (* (* (* -4 a) c) (* (* -4 a) c)) (* (* b b) (* b b))))
219.0ms
(sqrt (- (* (* (* -4 a) c) (* (* -4 a) c)) (* (* b b) (* b b))))

prune1.3s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 14.1b

localize143.0ms

Local error

Found 4 expressions with local error:

23.8b
(sqrt (+ (* (* -4 a) c) (* b b)))
23.8b
(sqrt (+ (* (* -4 a) c) (* b b)))
23.8b
(sqrt (+ (* (* -4 a) c) (* b b)))
10.9b
(- (- b) (* (sqrt (sqrt (+ (* (* -4 a) c) (* b b)))) (sqrt (sqrt (+ (* (* -4 a) c) (* b b))))))

rewrite16.0ms

Algorithm
rewrite-expression-head
Counts
4 → 56
Calls

4 calls. Slowest were:

6.0ms
(- (- b) (* (sqrt (sqrt (+ (* (* -4 a) c) (* b b)))) (sqrt (sqrt (+ (* (* -4 a) c) (* b b))))))
3.0ms
(sqrt (+ (* (* -4 a) c) (* b b)))
3.0ms
(sqrt (+ (* (* -4 a) c) (* b b)))

series275.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

74.0ms
(- (- b) (* (sqrt (sqrt (+ (* (* -4 a) c) (* b b)))) (sqrt (sqrt (+ (* (* -4 a) c) (* b b))))))
70.0ms
(sqrt (+ (* (* -4 a) c) (* b b)))
65.0ms
(sqrt (+ (* (* -4 a) c) (* b b)))

simplify1.7s

Counts
33 → 68
Calls

33 calls. Slowest were:

250.0ms
(sqrt (- (* (* (* -4 a) c) (* (* -4 a) c)) (* (* b b) (* b b))))
248.0ms
(sqrt (+ (pow (* (* -4 a) c) 3) (pow (* b b) 3)))
228.0ms
(sqrt (+ (pow (* (* -4 a) c) 3) (pow (* b b) 3)))

prune1.4s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 14.1b

localize102.0ms

Local error

Found 4 expressions with local error:

23.8b
(sqrt (+ (* (* -4 a) c) (* b b)))
23.8b
(sqrt (+ (* (* -4 a) c) (* b b)))
23.8b
(sqrt (+ (* (* -4 a) c) (* b b)))
9.1b
(- (* (sqrt (sqrt (+ (* (* -4 a) c) (* b b)))) (sqrt (sqrt (+ (* (* -4 a) c) (* b b))))) b)

rewrite47.0ms

Algorithm
rewrite-expression-head
Counts
4 → 53
Calls

4 calls. Slowest were:

31.0ms
(- (* (sqrt (sqrt (+ (* (* -4 a) c) (* b b)))) (sqrt (sqrt (+ (* (* -4 a) c) (* b b))))) b)
9.0ms
(sqrt (+ (* (* -4 a) c) (* b b)))
3.0ms
(sqrt (+ (* (* -4 a) c) (* b b)))

series289.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

78.0ms
(- (* (sqrt (sqrt (+ (* (* -4 a) c) (* b b)))) (sqrt (sqrt (+ (* (* -4 a) c) (* b b))))) b)
71.0ms
(sqrt (+ (* (* -4 a) c) (* b b)))
71.0ms
(sqrt (+ (* (* -4 a) c) (* b b)))

simplify1.5s

Counts
30 → 65
Calls

30 calls. Slowest were:

257.0ms
(sqrt (- (* (* (* -4 a) c) (* (* -4 a) c)) (* (* b b) (* b b))))
247.0ms
(sqrt (- (* (* (* -4 a) c) (* (* -4 a) c)) (* (* b b) (* b b))))
224.0ms
(sqrt (+ (pow (* (* -4 a) c) 3) (pow (* b b) 3)))

prune1.5s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 14.1b

localize129.0ms

Local error

Found 4 expressions with local error:

24.7b
(cbrt (+ (* (* -4 a) c) (* b b)))
24.7b
(cbrt (+ (* b b) (* (* c a) -4)))
23.8b
(sqrt (+ (* (* -4 a) c) (* b b)))
23.8b
(sqrt (+ (* (* -4 a) c) (* b b)))

rewrite10.0ms

Algorithm
rewrite-expression-head
Counts
4 → 54
Calls

4 calls. Slowest were:

3.0ms
(sqrt (+ (* (* -4 a) c) (* b b)))
3.0ms
(sqrt (+ (* (* -4 a) c) (* b b)))
2.0ms
(cbrt (+ (* (* -4 a) c) (* b b)))

series405.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

175.0ms
(cbrt (+ (* (* -4 a) c) (* b b)))
97.0ms
(cbrt (+ (* b b) (* (* c a) -4)))
70.0ms
(sqrt (+ (* (* -4 a) c) (* b b)))

simplify2.9s

Counts
34 → 66
Calls

34 calls. Slowest were:

375.0ms
(exp (* 1/3 (- (log -4) (+ (log (/ 1 a)) (log (/ 1 c))))))
275.0ms
(cbrt (+ (pow (* (* -4 a) c) 3) (pow (* b b) 3)))
249.0ms
(sqrt (+ (pow (* (* -4 a) c) 3) (pow (* b b) 3)))

prune2.1s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 14.1b

regimes352.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018357 
(FPCore (a b c)
  :name "jeff quadratic root 1"
  (if (>= b 0) (/ (- (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a)) (/ (* 2 c) (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))))))

Backtrace

partition: contract violation expected: list? given: 13.384764274860297 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