Error in 26.2s

Runtime

Time bar (total: 26.2s)Debug log

start200.0ms

Algorithm
intervals

setup154.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.9b

localize143.0ms

Local error

Found 4 expressions with local error:

19.8b
(sqrt (fma c (* a -4) (* b b)))
19.8b
(sqrt (fma c (* a -4) (* b b)))
1.3b
(- (sqrt (fma c (* a -4) (* b b))) b)
0.9b
(- (- b) (sqrt (fma c (* a -4) (* b b))))

rewrite12.0ms

Algorithm
rewrite-expression-head
Counts
4 → 93
Calls

4 calls. Slowest were:

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

series257.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

70.0ms
(- (sqrt (fma c (* a -4) (* b b))) b)
69.0ms
(- (- b) (sqrt (fma c (* a -4) (* b b))))
67.0ms
(sqrt (fma c (* a -4) (* b b)))

simplify2.2s

Counts
81 → 105
Calls

81 calls. Slowest were:

78.0ms
(fma 1 (- b) (- (* (sqrt (cbrt (fma c (* a -4) (* b b)))) (sqrt (* (cbrt (fma c (* a -4) (* b b))) (cbrt (fma c (* a -4) (* b b))))))))
74.0ms
(- (* 2 (/ (* a c) b)) (* 2 b))
68.0ms
(fma (* (cbrt (- b)) (cbrt (- b))) (cbrt (- b)) (- (* (sqrt (fma c (* a -4) (* b b))) (sqrt 1))))

prune2.1s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 11.7b

localize150.0ms

Local error

Found 4 expressions with local error:

19.8b
(sqrt (fma c (* a -4) (* b b)))
19.8b
(sqrt (fma c (* a -4) (* b b)))
19.8b
(sqrt (fma c (* a -4) (* b b)))
15.4b
(- (- b) (* (sqrt (sqrt (fma c (* a -4) (* b b)))) (sqrt (sqrt (fma c (* a -4) (* b b))))))

rewrite14.0ms

Algorithm
rewrite-expression-head
Counts
4 → 66
Calls

4 calls. Slowest were:

8.0ms
(- (- b) (* (sqrt (sqrt (fma c (* a -4) (* b b)))) (sqrt (sqrt (fma c (* a -4) (* b b))))))
2.0ms
(sqrt (fma c (* a -4) (* b b)))
2.0ms
(sqrt (fma c (* a -4) (* b b)))

series236.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

71.0ms
(- (- b) (* (sqrt (sqrt (fma c (* a -4) (* b b)))) (sqrt (sqrt (fma c (* a -4) (* b b))))))
65.0ms
(sqrt (fma c (* a -4) (* b b)))
57.0ms
(sqrt (fma c (* a -4) (* b b)))

simplify688.0ms

Counts
37 → 78
Calls

37 calls. Slowest were:

82.0ms
(- (* 2 (/ (* a c) b)) (* 2 b))
71.0ms
(* -2 (/ (* a c) b))
54.0ms
(fma (sqrt (- b)) (sqrt (- b)) (- (* (sqrt (sqrt (fma c (* a -4) (* b b)))) (sqrt (sqrt (fma c (* a -4) (* b b)))))))

prune1.5s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 11.7b

localize133.0ms

Local error

Found 4 expressions with local error:

20.5b
(cbrt (fma c (* a -4) (* b b)))
20.5b
(cbrt (fma (* c -4) a (* b b)))
19.8b
(sqrt (fma c (* a -4) (* b b)))
16.1b
(fma (fabs (cbrt (fma (* c -4) a (* b b)))) (sqrt (cbrt (fma c (* a -4) (* b b)))) (- b))

rewrite5.0ms

Algorithm
rewrite-expression-head
Counts
4 → 50
Calls

4 calls. Slowest were:

2.0ms
(sqrt (fma c (* a -4) (* b b)))
1.0ms
(cbrt (fma c (* a -4) (* b b)))
1.0ms
(cbrt (fma (* c -4) a (* b b)))

series715.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

290.0ms
(fma (fabs (cbrt (fma (* c -4) a (* b b)))) (sqrt (cbrt (fma c (* a -4) (* b b)))) (- b))
215.0ms
(cbrt (fma c (* a -4) (* b b)))
171.0ms
(cbrt (fma (* c -4) a (* b b)))

simplify1.6s

Counts
22 → 62
Calls

22 calls. Slowest were:

221.0ms
(- (pow b 2/3) (* 4/3 (* (* a c) (pow (/ 1 (pow b 4)) 1/3))))
198.0ms
(- (* (fabs (pow (fma (* -4 c) a (pow b 2)) 1/3)) (pow b 1/3)) (+ (* 2/3 (* (* a (* (fabs (pow (fma (* -4 c) a (pow b 2)) 1/3)) c)) (pow (/ 1 (pow b 5)) 1/3))) b))
194.0ms
(exp (* 1/3 (- (log -4) (+ (log (/ 1 a)) (log (/ 1 c))))))

prune1.6s

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 11.7b

localize160.0ms

Local error

Found 4 expressions with local error:

20.5b
(cbrt (fma c (* a -4) (* b b)))
20.5b
(cbrt (fma (* c -4) a (* b b)))
19.8b
(sqrt (fma c (* a -4) (* b b)))
19.8b
(sqrt (fma c (* a -4) (* b b)))

rewrite3.0ms

Algorithm
rewrite-expression-head
Counts
4 → 54
Calls

4 calls. Slowest were:

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

series480.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

201.0ms
(cbrt (fma (* c -4) a (* b b)))
187.0ms
(cbrt (fma c (* a -4) (* b b)))
47.0ms
(sqrt (fma c (* a -4) (* b b)))

simplify1.1s

Counts
26 → 66
Calls

26 calls. Slowest were:

215.0ms
(- (pow b 2/3) (* 4/3 (* (* a c) (pow (/ 1 (pow b 4)) 1/3))))
185.0ms
(exp (* 1/3 (- (log -4) (+ (log (/ 1 a)) (log (/ 1 c))))))
179.0ms
(- (pow b 2/3) (* 4/3 (* (* a c) (pow (/ 1 (pow b 4)) 1/3))))

prune1.9s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 11.7b

regimes514.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 +o rules:numerics
(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: 13.112754022375013 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