Error in 29.3s

Runtime

Time bar (total: 29.3s)Debug logProfile

start303.0ms

Algorithm
intervals

setup122.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.3b

localize48.0ms

Local error

Found 4 expressions with local error:

22.9b
(sqrt (fma (* a c) -4 (* b b)))
0.8b
(fma (* a c) -4 (* b b))
0.7b
(- (sqrt (fma (* a c) -4 (* b b))) b)
0.1b
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) (* 2 a))

rewrite18.0ms

Algorithm
rewrite-expression-head
Counts
4 → 67
Calls

4 calls. Slowest were:

10.0ms
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) (* 2 a))
5.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
1.0ms
(sqrt (fma (* a c) -4 (* b b)))

series277.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

87.0ms
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) (* 2 a))
73.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
63.0ms
(fma (* a c) -4 (* b b))

simplify1.5s

Counts
34 → 79
Calls

34 calls. Slowest were:

789.0ms
(- (* (sqrt (fma (* a c) -4 (* b b))) (sqrt (fma (* a c) -4 (* b b)))) (* b b))
156.0ms
(- (pow (sqrt (fma (* a c) -4 (* b b))) 3) (pow b 3))
77.0ms
(/ (* (* (- (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

14 alts after pruning (14 fresh and 0 done)

Merged error: 23.8b

localize14.0ms

Local error

Found 4 expressions with local error:

22.9b
(sqrt (fma (* a -4) c (* b b)))
0.7b
(- (sqrt (fma (* a -4) c (* b b))) b)
0.1b
(/ (- (sqrt (fma (* a -4) c (* b b))) b) (* 2 a))
0.0b
(fma (* a -4) c (* b b))

rewrite17.0ms

Algorithm
rewrite-expression-head
Counts
4 → 67
Calls

4 calls. Slowest were:

10.0ms
(/ (- (sqrt (fma (* a -4) c (* b b))) b) (* 2 a))
5.0ms
(- (sqrt (fma (* a -4) c (* b b))) b)
1.0ms
(sqrt (fma (* a -4) c (* b b)))

series312.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

119.0ms
(/ (- (sqrt (fma (* a -4) c (* b b))) b) (* 2 a))
79.0ms
(- (sqrt (fma (* a -4) c (* b b))) b)
67.0ms
(sqrt (fma (* a -4) c (* b b)))

simplify1.6s

Counts
34 → 79
Calls

34 calls. Slowest were:

903.0ms
(- (* (sqrt (fma (* a -4) c (* b b))) (sqrt (fma (* a -4) c (* b b)))) (* b b))
132.0ms
(- (pow (sqrt (fma (* a -4) c (* b b))) 3) (pow b 3))
78.0ms
(/ (* (* (- (sqrt (fma (* a -4) c (* b b))) b) (- (sqrt (fma (* a -4) c (* b b))) b)) (- (sqrt (fma (* a -4) c (* b b))) b)) (* (* (* 2 a) (* 2 a)) (* 2 a)))

prune1.2s

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 23.8b

localize6.0ms

Local error

Found 4 expressions with local error:

22.9b
(sqrt (fma (* a -4) c (* b b)))
0.7b
(- (sqrt (fma (* a -4) c (* b b))) b)
0.2b
(* (- (sqrt (fma (* a -4) c (* b b))) b) (/ 1 (* 2 a)))
0.0b
(fma (* a -4) c (* b b))

rewrite20.0ms

Algorithm
rewrite-expression-head
Counts
4 → 70
Calls

4 calls. Slowest were:

13.0ms
(* (- (sqrt (fma (* a -4) c (* b b))) b) (/ 1 (* 2 a)))
5.0ms
(- (sqrt (fma (* a -4) c (* b b))) b)
1.0ms
(sqrt (fma (* a -4) c (* b b)))

series285.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

122.0ms
(* (- (sqrt (fma (* a -4) c (* b b))) b) (/ 1 (* 2 a)))
74.0ms
(- (sqrt (fma (* a -4) c (* b b))) b)
58.0ms
(sqrt (fma (* a -4) c (* b b)))

simplify2.3s

Counts
39 → 82
Calls

39 calls. Slowest were:

350.0ms
(* (- (* (sqrt (fma (* a -4) c (* b b))) (sqrt (fma (* a -4) c (* b b)))) (* b b)) 1)
328.0ms
(* (- (pow (sqrt (fma (* a -4) c (* b b))) 3) (pow b 3)) 1)
266.0ms
(* (- (* (sqrt (fma (* a -4) c (* b b))) (sqrt (fma (* a -4) c (* b b)))) (* b b)) (/ 1 (* 2 a)))

prune1.3s

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 22.6b

localize19.0ms

Local error

Found 4 expressions with local error:

22.9b
(sqrt (fma (* a -4) c (* b b)))
15.5b
(* (* a (* c -4)) (/ 1/2 a))
0.9b
(+ (sqrt (fma (* a -4) c (* b b))) b)
0.1b
(/ (* (* a (* c -4)) (/ 1/2 a)) (+ (sqrt (fma (* a -4) c (* b b))) b))

rewrite30.0ms

Algorithm
rewrite-expression-head
Counts
4 → 77
Calls

4 calls. Slowest were:

15.0ms
(/ (* (* a (* c -4)) (/ 1/2 a)) (+ (sqrt (fma (* a -4) c (* b b))) b))
8.0ms
(+ (sqrt (fma (* a -4) c (* b b))) b)
5.0ms
(* (* a (* c -4)) (/ 1/2 a))

series214.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

116.0ms
(/ (* (* a (* c -4)) (/ 1/2 a)) (+ (sqrt (fma (* a -4) c (* b b))) b))
49.0ms
(+ (sqrt (fma (* a -4) c (* b b))) b)
41.0ms
(sqrt (fma (* a -4) c (* b b)))

simplify2.3s

Counts
45 → 89
Calls

45 calls. Slowest were:

309.0ms
(+ (* (sqrt (fma (* a -4) c (* b b))) (sqrt (fma (* a -4) c (* b b)))) (- (* b b) (* (sqrt (fma (* a -4) c (* b b))) b)))
289.0ms
(/ (* (* (* (* a (* c -4)) (* a (* c -4))) (* a (* c -4))) (* (* (/ 1/2 a) (/ 1/2 a)) (/ 1/2 a))) (* (* (+ (sqrt (fma (* a -4) c (* b b))) b) (+ (sqrt (fma (* a -4) c (* b b))) b)) (+ (sqrt (fma (* a -4) c (* b b))) b)))
236.0ms
(* (* a (* c -4)) (/ 1/2 a))

prune1.4s

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 12.5b

regimes359.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018357 +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: 13.930070682195328 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