Error in 24.6s

Runtime

Time bar (total: 24.6s)Debug logProfile

start228.0ms

Algorithm
intervals

setup162.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 19.5b

localize155.0ms

Local error

Found 4 expressions with local error:

22.9b
(sqrt (fma -4 (* c a) (* b b)))
22.9b
(sqrt (fma -4 (* c a) (* b b)))
0.9b
(- (- b) (sqrt (fma -4 (* c a) (* b b))))
0.8b
(fma -4 (* c a) (* b b))

rewrite15.0ms

Algorithm
rewrite-expression-head
Counts
4 → 84
Calls

4 calls. Slowest were:

9.0ms
(- (- b) (sqrt (fma -4 (* c a) (* b b))))
3.0ms
(sqrt (fma -4 (* c a) (* b b)))
1.0ms
(sqrt (fma -4 (* c a) (* b b)))

series198.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

65.0ms
(sqrt (fma -4 (* c a) (* b b)))
57.0ms
(sqrt (fma -4 (* c a) (* b b)))
43.0ms
(- (- b) (sqrt (fma -4 (* c a) (* b b))))

simplify2.5s

Counts
76 → 96
Calls

76 calls. Slowest were:

82.0ms
(fma 1 (- b) (- (* (sqrt (fma -4 (* c a) (* b b))) 1)))
69.0ms
(- (* 2 (/ (* a c) b)) (* 2 b))
68.0ms
(fma (* (cbrt (- b)) (cbrt (- b))) (cbrt (- b)) (- (* (sqrt (fma -4 (* c a) (* b b))) (sqrt 1))))

prune1.9s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 11.4b

localize150.0ms

Local error

Found 4 expressions with local error:

22.9b
(sqrt (fma -4 (* c a) (* b b)))
22.9b
(sqrt (fma (* a -4) c (* b b)))
0.9b
(- (- b) (sqrt (fma -4 (* c a) (* b b))))
0.8b
(fma -4 (* c a) (* b b))

rewrite8.0ms

Algorithm
rewrite-expression-head
Counts
4 → 84
Calls

4 calls. Slowest were:

5.0ms
(- (- b) (sqrt (fma -4 (* c a) (* b b))))
1.0ms
(sqrt (fma -4 (* c a) (* b b)))
1.0ms
(sqrt (fma (* a -4) c (* b b)))

series245.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

71.0ms
(- (- b) (sqrt (fma -4 (* c a) (* b b))))
66.0ms
(sqrt (fma (* a -4) c (* b b)))
55.0ms
(sqrt (fma -4 (* c a) (* b b)))

simplify2.4s

Counts
76 → 96
Calls

76 calls. Slowest were:

74.0ms
(- (* 2 (/ (* a c) b)) (* 2 b))
74.0ms
(fma 1 (- b) (- (* (sqrt (fma -4 (* c a) (* b b))) 1)))
74.0ms
(* -2 (/ (* a c) b))

prune2.0s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 11.4b

localize136.0ms

Local error

Found 4 expressions with local error:

22.9b
(sqrt (fma (* a -4) c (* b b)))
22.9b
(sqrt (fma (* a -4) c (* b b)))
22.9b
(sqrt (fma -4 (* c a) (* b b)))
12.8b
(- (* (sqrt (sqrt (fma (* a -4) c (* b b)))) (sqrt (sqrt (fma (* a -4) c (* b b))))) b)

rewrite24.0ms

Algorithm
rewrite-expression-head
Counts
4 → 56
Calls

4 calls. Slowest were:

21.0ms
(- (* (sqrt (sqrt (fma (* a -4) c (* b b)))) (sqrt (sqrt (fma (* a -4) c (* b b))))) b)
1.0ms
(sqrt (fma (* a -4) c (* b b)))
1.0ms
(sqrt (fma -4 (* c a) (* b b)))

series252.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

71.0ms
(sqrt (fma (* a -4) c (* b b)))
69.0ms
(sqrt (fma -4 (* c a) (* b b)))
66.0ms
(sqrt (fma (* a -4) c (* b b)))

simplify135.0ms

Counts
25 → 68
Calls

25 calls. Slowest were:

15.0ms
(sqrt (sqrt (fma (* a -4) c (* b b))))
15.0ms
(sqrt (* (cbrt (fma (* a -4) c (* b b))) (cbrt (fma (* a -4) c (* b b)))))
15.0ms
(sqrt (sqrt (fma (* a -4) c (* b b))))

prune1.4s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 11.4b

localize157.0ms

Local error

Found 4 expressions with local error:

22.9b
(sqrt (fma (* a -4) c (* b b)))
22.9b
(sqrt (fma (* a -4) c (* b b)))
22.9b
(sqrt (fma (* a -4) c (* b b)))
22.9b
(sqrt (fma (* a -4) c (* b b)))

rewrite7.0ms

Algorithm
rewrite-expression-head
Counts
4 → 56
Calls

4 calls. Slowest were:

2.0ms
(sqrt (fma (* a -4) c (* b b)))
2.0ms
(sqrt (fma (* a -4) c (* b b)))
2.0ms
(sqrt (fma (* a -4) c (* b b)))

series215.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

60.0ms
(sqrt (fma (* a -4) c (* b b)))
56.0ms
(sqrt (fma (* a -4) c (* b b)))
50.0ms
(sqrt (fma (* a -4) c (* b b)))

simplify264.0ms

Counts
28 → 68
Calls

28 calls. Slowest were:

29.0ms
(sqrt (* (cbrt (fma (* a -4) c (* b b))) (cbrt (fma (* a -4) c (* b b)))))
27.0ms
(sqrt (* (cbrt (fma (* a -4) c (* b b))) (cbrt (fma (* a -4) c (* b b)))))
26.0ms
(sqrt (sqrt (fma (* a -4) c (* b b))))

prune1.7s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 11.4b

regimes446.0ms

Please include this information when filing a bug report:

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

Backtrace

partition: contract violation expected: list? given: 13.27690349526637 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