Error in 33.6s

Runtime

Time bar (total: 33.6s)Debug log

start476.0ms

Algorithm
halfpoints

setup160.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 40.0b

localize107.0ms

Local error

Found 4 expressions with local error:

57.5b
(- (exp x) (exp (- x)))
0.1b
(* (/ (- (exp x) (exp (- x))) 2) (sin y))
0.0b
(* (/ (+ (exp x) (exp (- x))) 2) (cos y))
0.0b
(+ (exp x) (exp (- x)))

rewrite36.0ms

Algorithm
rewrite-expression-head
Counts
4 → 87
Calls

4 calls. Slowest were:

12.0ms
(* (/ (- (exp x) (exp (- x))) 2) (sin y))
10.0ms
(* (/ (+ (exp x) (exp (- x))) 2) (cos y))
9.0ms
(- (exp x) (exp (- x)))

series259.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

120.0ms
(* (/ (- (exp x) (exp (- x))) 2) (sin y))
58.0ms
(* (/ (+ (exp x) (exp (- x))) 2) (cos y))
51.0ms
(- (exp x) (exp (- x)))

simplify3.4s

Counts
60 → 99
Calls

60 calls. Slowest were:

426.0ms
(* 1/2 (* (- (exp x) (exp (* -1 x))) (sin y)))
423.0ms
(* 1/2 (* (- (exp x) (exp (- x))) (sin y)))
407.0ms
(* (* (* (/ (- (exp x) (exp (- x))) 2) (/ (- (exp x) (exp (- x))) 2)) (/ (- (exp x) (exp (- x))) 2)) (* (* (sin y) (sin y)) (sin y)))

prune1.7s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.1b

localize56.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (/ (fma (fma 1/3 (* x x) 2) x (* (pow x 5) 1/60)) 2) (sin y))
0.1b
(* (pow x 5) 1/60)
0.0b
(* (/ (+ (exp x) (exp (- x))) 2) (cos y))
0.0b
(fma (fma 1/3 (* x x) 2) x (* (pow x 5) 1/60))

rewrite41.0ms

Algorithm
rewrite-expression-head
Counts
4 → 65
Calls

4 calls. Slowest were:

25.0ms
(* (/ (+ (exp x) (exp (- x))) 2) (cos y))
10.0ms
(* (/ (fma (fma 1/3 (* x x) 2) x (* (pow x 5) 1/60)) 2) (sin y))
4.0ms
(* (pow x 5) 1/60)

series206.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

71.0ms
(* (/ (fma (fma 1/3 (* x x) 2) x (* (pow x 5) 1/60)) 2) (sin y))
70.0ms
(* (/ (+ (exp x) (exp (- x))) 2) (cos y))
35.0ms
(* (pow x 5) 1/60)

simplify2.5s

Counts
34 → 77
Calls

34 calls. Slowest were:

315.0ms
(* (* (* (/ (+ (exp x) (exp (- x))) 2) (/ (+ (exp x) (exp (- x))) 2)) (/ (+ (exp x) (exp (- x))) 2)) (* (* (cos y) (cos y)) (cos y)))
299.0ms
(* 1/2 (* (+ (exp (* -1 x)) (exp x)) (cos y)))
267.0ms
(* 1/2 (* (+ (exp x) (exp (- x))) (cos y)))

prune2.0s

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 0.0b

localize27.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (sin y))
0.6b
(cbrt (sin y))
0.6b
(cbrt (sin y))
0.5b
(* (cbrt (sin y)) (cbrt (sin y)))

rewrite8.0ms

Algorithm
rewrite-expression-head
Counts
4 → 69
Calls

4 calls. Slowest were:

5.0ms
(* (cbrt (sin y)) (cbrt (sin y)))
1.0ms
(cbrt (sin y))
1.0ms
(cbrt (sin y))

series643.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

186.0ms
(* (cbrt (sin y)) (cbrt (sin y)))
180.0ms
(cbrt (sin y))
141.0ms
(cbrt (sin y))

simplify345.0ms

Counts
41 → 81
Calls

41 calls. Slowest were:

101.0ms
(- (pow y 1/3) (+ (* 1/18 (pow (pow y 7) 1/3)) (* 1/3240 (pow (pow y 13) 1/3))))
81.0ms
(- (pow y 1/3) (+ (* 1/18 (pow (pow y 7) 1/3)) (* 1/3240 (pow (pow y 13) 1/3))))
65.0ms
(- (pow y 1/3) (+ (* 1/18 (pow (pow y 7) 1/3)) (* 1/3240 (pow (pow y 13) 1/3))))

prune2.2s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 0.0b

localize33.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt (* (cbrt (sin y)) (cbrt (sin y))))
0.6b
(cbrt (sin y))
0.6b
(cbrt (sin y))
0.6b
(cbrt (sin y))

rewrite5.0ms

Algorithm
rewrite-expression-head
Counts
4 → 50
Calls

4 calls. Slowest were:

3.0ms
(cbrt (* (cbrt (sin y)) (cbrt (sin y))))
1.0ms
(cbrt (sin y))
0.0ms
(cbrt (sin y))

series641.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

190.0ms
(cbrt (sin y))
170.0ms
(cbrt (sin y))
150.0ms
(cbrt (* (cbrt (sin y)) (cbrt (sin y))))

simplify366.0ms

Counts
22 → 62
Calls

22 calls. Slowest were:

108.0ms
(- (pow y 1/3) (+ (* 1/18 (pow (pow y 7) 1/3)) (* 1/3240 (pow (pow y 13) 1/3))))
93.0ms
(- (pow y 2/9) (+ (* 2/3645 (pow (pow y 38) 1/9)) (* 1/27 (pow (pow y 20) 1/9))))
65.0ms
(- (pow y 1/3) (+ (* 1/18 (pow (pow y 7) 1/3)) (* 1/3240 (pow (pow y 13) 1/3))))

prune1.9s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 0.0b

regimes290.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 +o rules:numerics
(FPCore (x y)
  :name "Euler formula imaginary part (p55)"
  (im (complex (* (/ (+ (exp x) (exp (- x))) 2) (cos y)) (* (/ (- (exp x) (exp (- x))) 2) (sin y)))))

Backtrace

partition: contract violation expected: list? given: 0.6841934729406798 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