Error in 23.0s

Runtime

Time bar (total: 23.0s)Debug log

start211.0ms

Algorithm
intervals

setup55.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.3b

localize20.0ms

Local error

Found 4 expressions with local error:

19.0b
(sqrt (- (* b_2 b_2) (* a c)))
1.4b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
0.4b
(- (* b_2 b_2) (* a c))
0.1b
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)

rewrite62.0ms

Algorithm
rewrite-expression-head
Counts
4 → 53
Calls

4 calls. Slowest were:

42.0ms
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
11.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series191.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

70.0ms
(sqrt (- (* b_2 b_2) (* a c)))
55.0ms
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
44.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)

simplify1.7s

Counts
24 → 65
Calls

24 calls. Slowest were:

706.0ms
(- (* (sqrt (- (* b_2 b_2) (* a c))) (sqrt (- (* b_2 b_2) (* a c)))) (* b_2 b_2))
275.0ms
(sqrt (- (* (* b_2 b_2) (* b_2 b_2)) (* (* a c) (* a c))))
214.0ms
(sqrt (- (pow (* b_2 b_2) 3) (pow (* a c) 3)))

prune802.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 5.3b

localize12.0ms

Local error

Found 4 expressions with local error:

19.0b
(sqrt (- (* b_2 b_2) (* a c)))
1.4b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
0.4b
(- (* b_2 b_2) (* a c))
0.2b
(* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (/ 1 a))

rewrite60.0ms

Algorithm
rewrite-expression-head
Counts
4 → 61
Calls

4 calls. Slowest were:

29.0ms
(* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (/ 1 a))
23.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series216.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

76.0ms
(* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (/ 1 a))
60.0ms
(sqrt (- (* b_2 b_2) (* a c)))
59.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)

simplify3.2s

Counts
34 → 73
Calls

34 calls. Slowest were:

516.0ms
(* (- (* (sqrt (- (* b_2 b_2) (* a c))) (sqrt (- (* b_2 b_2) (* a c)))) (* b_2 b_2)) 1)
362.0ms
(* (+ (* (sqrt (- (* b_2 b_2) (* a c))) (sqrt (- (* b_2 b_2) (* a c)))) (+ (* b_2 b_2) (* (sqrt (- (* b_2 b_2) (* a c))) b_2))) a)
340.0ms
(* (* (* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) (* (* (/ 1 a) (/ 1 a)) (/ 1 a)))

prune825.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 5.2b

localize15.0ms

Local error

Found 4 expressions with local error:

19.0b
(sqrt (- (* b_2 b_2) (* a c)))
12.2b
(/ (+ (- (* a c)) 0) a)
0.8b
(+ (sqrt (- (* b_2 b_2) (* a c))) b_2)
0.4b
(- (* b_2 b_2) (* a c))

rewrite24.0ms

Algorithm
rewrite-expression-head
Counts
4 → 52
Calls

4 calls. Slowest were:

10.0ms
(+ (sqrt (- (* b_2 b_2) (* a c))) b_2)
7.0ms
(/ (+ (- (* a c)) 0) a)
4.0ms
(- (* b_2 b_2) (* a c))

series133.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

46.0ms
(sqrt (- (* b_2 b_2) (* a c)))
45.0ms
(+ (sqrt (- (* b_2 b_2) (* a c))) b_2)
36.0ms
(- (* b_2 b_2) (* a c))

simplify1.6s

Counts
24 → 64
Calls

24 calls. Slowest were:

440.0ms
(+ (pow (- (* a c)) 3) (pow 0 3))
306.0ms
(sqrt (- (* (* b_2 b_2) (* b_2 b_2)) (* (* a c) (* a c))))
236.0ms
(sqrt (- (pow (* b_2 b_2) 3) (pow (* a c) 3)))

prune886.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 5.2b

localize5.0ms

Local error

Found 4 expressions with local error:

19.0b
(sqrt (- (* b_2 b_2) (* a c)))
0.8b
(+ (sqrt (- (* b_2 b_2) (* a c))) b_2)
0.4b
(- (* b_2 b_2) (* a c))
0.1b
(/ (- c) (+ (sqrt (- (* b_2 b_2) (* a c))) b_2))

rewrite23.0ms

Algorithm
rewrite-expression-head
Counts
4 → 71
Calls

4 calls. Slowest were:

11.0ms
(/ (- c) (+ (sqrt (- (* b_2 b_2) (* a c))) b_2))
8.0ms
(+ (sqrt (- (* b_2 b_2) (* a c))) b_2)
2.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series291.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

155.0ms
(/ (- c) (+ (sqrt (- (* b_2 b_2) (* a c))) b_2))
72.0ms
(+ (sqrt (- (* b_2 b_2) (* a c))) b_2)
40.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.0s

Counts
54 → 83
Calls

54 calls. Slowest were:

320.0ms
(sqrt (- (pow (* b_2 b_2) 3) (pow (* a c) 3)))
305.0ms
(/ (* (* (- c) (- c)) (- c)) (* (* (+ (sqrt (- (* b_2 b_2) (* a c))) b_2) (+ (sqrt (- (* b_2 b_2) (* a c))) b_2)) (+ (sqrt (- (* b_2 b_2) (* a c))) b_2)))
257.0ms
(sqrt (- (* (* b_2 b_2) (* b_2 b_2)) (* (* a c) (* a c))))

prune860.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 5.2b

regimes255.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 
(FPCore (a b_2 c)
  :name "quad2p (problem 3.2.1, positive)"
  (/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a))

Backtrace

partition: contract violation expected: list? given: 6.6494049972459734 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