Error in 33.9s

Runtime

Time bar (total: 33.9s)Debug logProfile

start618.0ms

Algorithm
intervals

setup13.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 60.1b

localize15.0ms

Local error

Found 1 expressions with local error:

2.7b
(- (/ 1 x) (/ 1 (tan x)))

rewrite8.0ms

Algorithm
rewrite-expression-head
Counts
1 → 18
Calls

1 calls. Slowest were:

7.0ms
(- (/ 1 x) (/ 1 (tan x)))

series123.0ms

Counts
1 → 3
Calls

1 calls. Slowest were:

123.0ms
(- (/ 1 x) (/ 1 (tan x)))

simplify93.0ms

Counts
12 → 21
Calls

12 calls. Slowest were:

34.0ms
(+ (* 1/3 x) (+ (* 1/45 (pow x 3)) (* 2/945 (pow x 5))))
13.0ms
(/ (exp (/ 1 x)) (exp (/ 1 (tan x))))
9.0ms
(- (/ 1 x) (/ 1 (tan x)))

prune124.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.3b

localize22.0ms

Local error

Found 4 expressions with local error:

0.3b
(* 1/3 x)
0.1b
(* 1/45 (pow x 3))
0.1b
(* 2/945 (pow x 5))
0.0b
(+ (* 1/45 (pow x 3)) (* 2/945 (pow x 5)))

rewrite6.0ms

Algorithm
rewrite-expression-head
Counts
4 → 43
Calls

4 calls. Slowest were:

3.0ms
(+ (* 1/45 (pow x 3)) (* 2/945 (pow x 5)))
1.0ms
(* 1/45 (pow x 3))
1.0ms
(* 2/945 (pow x 5))

series118.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

71.0ms
(+ (* 1/45 (pow x 3)) (* 2/945 (pow x 5)))
25.0ms
(* 2/945 (pow x 5))
15.0ms
(* 1/45 (pow x 3))

simplify123.0ms

Counts
20 → 55
Calls

20 calls. Slowest were:

35.0ms
(* (exp (* 1/45 (pow x 3))) (exp (* 2/945 (pow x 5))))
23.0ms
(+ (* 1/45 (pow x 3)) (* 2/945 (pow x 5)))
12.0ms
(+ (* 1/45 (pow x 3)) (* 2/945 (pow x 5)))

prune967.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.2b

localize22.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt (* 1/3 x))
0.7b
(cbrt (* 1/3 x))
0.7b
(cbrt (* 1/3 x))
0.5b
(* (cbrt (* 1/3 x)) (cbrt (* 1/3 x)))

rewrite10.0ms

Algorithm
rewrite-expression-head
Counts
4 → 51
Calls

4 calls. Slowest were:

7.0ms
(* (cbrt (* 1/3 x)) (cbrt (* 1/3 x)))
1.0ms
(cbrt (* 1/3 x))
1.0ms
(cbrt (* 1/3 x))

series1.3s

Counts
4 → 12
Calls

4 calls. Slowest were:

379.0ms
(* (cbrt (* 1/3 x)) (cbrt (* 1/3 x)))
337.0ms
(cbrt (* 1/3 x))
328.0ms
(cbrt (* 1/3 x))

simplify166.0ms

Counts
31 → 63
Calls

31 calls. Slowest were:

15.0ms
(* (* 1/3 x) (* 1/3 x))
14.0ms
(* (* 1/3 x) (* 1/3 x))
11.0ms
(* (cbrt -1/3) (pow (* x -1) 1/3))

prune1.2s

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0.2b

localize21.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt (* 1/3 x))
0.7b
(cbrt (* 1/3 x))
0.6b
(cbrt x)
0.5b
(* (cbrt (* 1/3 x)) (cbrt 1/3))

rewrite5.0ms

Algorithm
rewrite-expression-head
Counts
4 → 45
Calls

4 calls. Slowest were:

4.0ms
(* (cbrt (* 1/3 x)) (cbrt 1/3))
0.0ms
(cbrt (* 1/3 x))
0.0ms
(cbrt (* 1/3 x))

series1.3s

Counts
4 → 12
Calls

4 calls. Slowest were:

387.0ms
(* (cbrt (* 1/3 x)) (cbrt 1/3))
308.0ms
(cbrt (* 1/3 x))
297.0ms
(cbrt x)

simplify113.0ms

Counts
24 → 57
Calls

24 calls. Slowest were:

12.0ms
(* (* (cbrt -1/3) (cbrt 1/3)) (pow (* x -1) 1/3))
9.0ms
(* (* 1/3 x) 1/3)
8.0ms
(* (* 1/3 x) 1/3)

prune1.1s

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 0.1b

regimes107.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018357 
(FPCore (x)
  :name "invcot (example 3.9)"
  :pre (and (< -0.026 x) (< x 0.026))

  :herbie-target
  (if (< (fabs x) 0.026) (* (/ x 3) (+ 1 (/ (* x x) 15))) (- (/ 1 x) (/ 1 (tan x))))

  (- (/ 1 x) (/ 1 (tan x))))

Backtrace

partition: contract violation expected: list? given: 0.3305500913821509 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