Error in 2.0m

Runtime

Time bar (total: 2.0m)Debug log

start2.9s

Algorithm
intervals

setup223.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 60.0b

localize40.0ms

Local error

Found 4 expressions with local error:

7.2b
(- (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f))))
0.3b
(* (/ PI 4) f)
0.3b
(* (/ PI 4) f)
0.3b
(* (/ PI 4) f)

rewrite19.0ms

Algorithm
rewrite-expression-head
Counts
4 → 53
Calls

4 calls. Slowest were:

10.0ms
(- (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f))))
2.0ms
(* (/ PI 4) f)
2.0ms
(* (/ PI 4) f)

series319.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

124.0ms
(- (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f))))
70.0ms
(* (/ PI 4) f)
67.0ms
(* (/ PI 4) f)

simplify612.0ms

Counts
25 → 65
Calls

25 calls. Slowest were:

275.0ms
(+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5)))))
56.0ms
(/ (exp (exp (* (/ PI 4) f))) (exp (exp (- (* (/ PI 4) f)))))
49.0ms
(- (exp (* 1/4 (* PI f))) (exp (- (* 1/4 (* PI f)))))

prune1.1s

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.5b

localize61.0ms

Local error

Found 4 expressions with local error:

1.0b
(pow PI 3)
1.0b
(pow PI 5)
0.5b
(* (/ 1 (/ PI 4)) (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5))))))))
0.3b
(* f PI)

rewrite35.0ms

Algorithm
rewrite-expression-head
Counts
4 → 84
Calls

4 calls. Slowest were:

32.0ms
(* (/ 1 (/ PI 4)) (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5))))))))
0.0ms
(* f PI)
0.0ms
(pow PI 3)

series505.0ms

Counts
4 → 8
Calls

4 calls. Slowest were:

459.0ms
(* (/ 1 (/ PI 4)) (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5))))))))
46.0ms
(* f PI)
0.0ms
(pow PI 3)

simplify12.4s

Counts
56 → 92
Calls

56 calls. Slowest were:

475.0ms
(- (+ (* 4 (/ (log (/ 4 PI)) PI)) (* 1/12 (* (pow f 2) PI))) (+ (* 4 (/ (log f) PI)) (* 7/5760 (* (pow f 4) (pow PI 3)))))
438.0ms
(* (/ 1 (/ PI 4)) (log (cbrt (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5)))))))))
387.0ms
(sqrt (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5))))))))

prune3.3s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0b

localize13.0ms

Local error

Found 4 expressions with local error:

1.0b
(pow PI 3)
1.0b
(pow PI 5)
0.3b
(/ (* 1 (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5)))))))) (/ PI 4))
0.3b
(* f PI)

rewrite62.0ms

Algorithm
rewrite-expression-head
Counts
4 → 48
Calls

4 calls. Slowest were:

61.0ms
(/ (* 1 (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5)))))))) (/ PI 4))
0.0ms
(pow PI 3)
0.0ms
(* f PI)

series536.0ms

Counts
4 → 8
Calls

4 calls. Slowest were:

509.0ms
(/ (* 1 (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5)))))))) (/ PI 4))
26.0ms
(* f PI)
0.0ms
(pow PI 3)

simplify3.0s

Counts
22 → 56
Calls

22 calls. Slowest were:

381.0ms
(- (+ (* 4 (/ (log (/ 4 PI)) PI)) (* 1/12 (* (pow f 2) PI))) (+ (* 4 (/ (log f) PI)) (* 7/5760 (* (pow f 4) (pow PI 3)))))
371.0ms
(- (log (* 1 (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5))))))))) (log (/ PI 4)))
337.0ms
(* 1 (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5))))))))

prune1.9s

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0b

localize37.0ms

Local error

Found 4 expressions with local error:

1.0b
(pow PI 3)
1.0b
(pow PI 5)
0.3b
(* (sqrt (/ 1 (/ PI 4))) (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5))))))))
0.3b
(* f PI)

rewrite30.0ms

Algorithm
rewrite-expression-head
Counts
4 → 86
Calls

4 calls. Slowest were:

27.0ms
(* (sqrt (/ 1 (/ PI 4))) (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5))))))))
0.0ms
(pow PI 3)
0.0ms
(pow PI 5)

series546.0ms

Counts
4 → 8
Calls

4 calls. Slowest were:

507.0ms
(* (sqrt (/ 1 (/ PI 4))) (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5))))))))
38.0ms
(* f PI)
0.0ms
(pow PI 3)

simplify14.4s

Counts
59 → 94
Calls

59 calls. Slowest were:

751.0ms
(* (sqrt (/ 1 (/ PI 4))) (log (cbrt (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5)))))))))
497.0ms
(* (* (* (sqrt (/ 1 (/ PI 4))) (sqrt (/ 1 (/ PI 4)))) (sqrt (/ 1 (/ PI 4)))) (* (* (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5))))))) (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5)))))))) (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5)))))))))
370.0ms
(- (+ (* 1/24 (* (pow f 2) (sqrt (pow PI 3)))) (* 2 (* (log (/ 4 PI)) (sqrt (/ 1 PI))))) (+ (* 7/11520 (* (pow f 4) (sqrt (pow PI 7)))) (* 2 (* (log f) (sqrt (/ 1 PI))))))

prune3.7s

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0b

regimes419.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 
(FPCore (f)
  :name "VandenBroeck and Keller, Equation (20)"
  (- (* (/ 1 (/ PI 4)) (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (- (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))))))))

Backtrace

partition: contract violation expected: list? given: 0.7448661497935227 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