Error in 27.0s

Runtime

Time bar (total: 27.0s)Debug log

start185.0ms

Algorithm
intervals

setup172.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.5b

localize136.0ms

Local error

Found 4 expressions with local error:

19.0b
(sqrt (fma -4 (* c a) (* b b)))
19.0b
(sqrt (fma -4 (* c a) (* b b)))
1.3b
(- (sqrt (fma -4 (* c a) (* b b))) b)
1.0b
(- (- b) (sqrt (fma -4 (* c a) (* b b))))

rewrite15.0ms

Algorithm
rewrite-expression-head
Counts
4 → 93
Calls

4 calls. Slowest were:

5.0ms
(- (sqrt (fma -4 (* c a) (* b b))) b)
5.0ms
(- (- b) (sqrt (fma -4 (* c a) (* b b))))
2.0ms
(sqrt (fma -4 (* c a) (* b b)))

series285.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

77.0ms
(- (sqrt (fma -4 (* c a) (* b b))) b)
74.0ms
(- (- b) (sqrt (fma -4 (* c a) (* b b))))
67.0ms
(sqrt (fma -4 (* c a) (* b b)))

simplify2.3s

Counts
81 → 105
Calls

81 calls. Slowest were:

84.0ms
(fma (* (cbrt (- b)) (cbrt (- b))) (cbrt (- b)) (- (* (sqrt (fma -4 (* c a) (* b b))) (sqrt 1))))
69.0ms
(* -2 (/ (* a c) b))
67.0ms
(- (* 2 (/ (* a c) b)) (* 2 b))

prune2.0s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 10.7b

localize156.0ms

Local error

Found 4 expressions with local error:

19.0b
(sqrt (fma -4 (* c a) (* b b)))
19.0b
(sqrt (fma -4 (* c a) (* b b)))
19.0b
(sqrt (fma -4 (* c a) (* b b)))
1.3b
(- (sqrt (fma -4 (* c a) (* b b))) b)

rewrite16.0ms

Algorithm
rewrite-expression-head
Counts
4 → 61
Calls

4 calls. Slowest were:

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

series191.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

52.0ms
(sqrt (fma -4 (* c a) (* b b)))
48.0ms
(sqrt (fma -4 (* c a) (* b b)))
46.0ms
(- (sqrt (fma -4 (* c a) (* b b))) b)

simplify241.0ms

Counts
29 → 73
Calls

29 calls. Slowest were:

21.0ms
(sqrt (* (cbrt (fma -4 (* c a) (* b b))) (cbrt (fma -4 (* c a) (* b b)))))
21.0ms
(sqrt (* (cbrt (fma -4 (* c a) (* b b))) (cbrt (fma -4 (* c a) (* b b)))))
20.0ms
(sqrt (fma -4 (* c a) (* b b)))

prune1.5s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 10.7b

localize186.0ms

Local error

Found 4 expressions with local error:

19.7b
(cbrt (fma (* c a) -4 (* b b)))
19.7b
(cbrt (fma (* c a) -4 (* b b)))
19.0b
(sqrt (fma -4 (* c a) (* b b)))
16.1b
(fma (sqrt (cbrt (fma (* c a) -4 (* b b)))) (fabs (cbrt (fma (* c a) -4 (* b b)))) b)

rewrite3.0ms

Algorithm
rewrite-expression-head
Counts
4 → 50
Calls

4 calls. Slowest were:

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

series672.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

249.0ms
(fma (sqrt (cbrt (fma (* c a) -4 (* b b)))) (fabs (cbrt (fma (* c a) -4 (* b b)))) b)
199.0ms
(cbrt (fma (* c a) -4 (* b b)))
177.0ms
(cbrt (fma (* c a) -4 (* b b)))

simplify1.7s

Counts
22 → 62
Calls

22 calls. Slowest were:

247.0ms
(- (pow b 2/3) (* 4/3 (* (* a c) (pow (/ 1 (pow b 4)) 1/3))))
237.0ms
(exp (* 1/3 (- (log -4) (+ (log (/ 1 a)) (log (/ 1 c))))))
190.0ms
(- (pow b 2/3) (* 4/3 (* (* a c) (pow (/ 1 (pow b 4)) 1/3))))

prune1.9s

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 10.7b

localize125.0ms

Local error

Found 4 expressions with local error:

19.7b
(cbrt (fma (* c a) -4 (* b b)))
19.7b
(cbrt (fma (* c a) -4 (* b b)))
19.7b
(cbrt (fma (* c a) -4 (* b b)))
19.7b
(cbrt (fma (* c a) -4 (* b b)))

rewrite3.0ms

Algorithm
rewrite-expression-head
Counts
4 → 52
Calls

4 calls. Slowest were:

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

series888.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

239.0ms
(cbrt (fma (* c a) -4 (* b b)))
217.0ms
(cbrt (fma (* c a) -4 (* b b)))
215.0ms
(cbrt (fma (* c a) -4 (* b b)))

simplify2.1s

Counts
24 → 64
Calls

24 calls. Slowest were:

249.0ms
(- (pow b 2/3) (* 4/3 (* (* a c) (pow (/ 1 (pow b 4)) 1/3))))
238.0ms
(exp (* 1/3 (- (log -4) (+ (log (/ 1 a)) (log (/ 1 c))))))
231.0ms
(exp (* 1/3 (- (log -4) (+ (log (/ 1 a)) (log (/ 1 c))))))

prune2.1s

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 10.7b

regimes363.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 +o rules:numerics
(FPCore (a b c)
  :name "jeff quadratic root 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: 12.525587815821016 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