Error in 1.7m

Runtime

Time bar (total: 1.7m)Debug log

start177.0ms

Algorithm
intervals

setup36.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 32.9b

localize36.0ms

Local error

Found 2 expressions with local error:

5.4b
(+ (- (exp x) 2) (exp (- x)))
0.0b
(- (exp x) 2)

rewrite15.0ms

Algorithm
rewrite-expression-head
Counts
2 → 30
Calls

2 calls. Slowest were:

12.0ms
(+ (- (exp x) 2) (exp (- x)))
3.0ms
(- (exp x) 2)

series476.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

464.0ms
(+ (- (exp x) 2) (exp (- x)))
12.0ms
(- (exp x) 2)

simplify1.5s

Counts
19 → 36
Calls

19 calls. Slowest were:

361.0ms
(+ (* (- (pow (exp x) 3) (pow 2 3)) (exp x)) (* (+ (* (exp x) (exp x)) (+ (* 2 2) (* (exp x) 2))) (exp 0)))
348.0ms
(+ (* (- (pow (exp x) 3) (pow 2 3)) (exp x)) (* (+ (* (exp x) (exp x)) (+ (* 2 2) (* (exp x) 2))) 1))
212.0ms
(+ (* (- (* (exp x) (exp x)) (* 2 2)) (exp x)) (* (+ (exp x) 2) (exp 0)))

prune370.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize46.0ms

Local error

Found 4 expressions with local error:

0.1b
(* 1/12 (pow x 4))
0.1b
(* 1/360 (pow x 6))
0.0b
(+ (* 1/12 (pow x 4)) (* 1/360 (pow x 6)))
0.0b
(+ (pow x 2) (+ (* 1/12 (pow x 4)) (* 1/360 (pow x 6))))

rewrite25.0ms

Algorithm
rewrite-expression-head
Counts
4 → 47
Calls

4 calls. Slowest were:

13.0ms
(+ (pow x 2) (+ (* 1/12 (pow x 4)) (* 1/360 (pow x 6))))
6.0ms
(+ (* 1/12 (pow x 4)) (* 1/360 (pow x 6)))
3.0ms
(* 1/12 (pow x 4))

series148.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

69.0ms
(+ (* 1/12 (pow x 4)) (* 1/360 (pow x 6)))
40.0ms
(+ (pow x 2) (+ (* 1/12 (pow x 4)) (* 1/360 (pow x 6))))
21.0ms
(* 1/360 (pow x 6))

simplify219.0ms

Counts
23 → 59
Calls

23 calls. Slowest were:

56.0ms
(* (exp (pow x 2)) (* (exp (* 1/12 (pow x 4))) (exp (* 1/360 (pow x 6)))))
34.0ms
(* (exp (pow x 2)) (exp (+ (* 1/12 (pow x 4)) (* 1/360 (pow x 6)))))
25.0ms
(+ (pow x 2) (+ (* 1/12 (pow x 4)) (* 1/360 (pow x 6))))

prune946.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize71.0ms

Local error

Found 4 expressions with local error:

5.1b
(+ (+ 4 (+ (pow (exp x) 4) (* (exp x) -8))) (* (exp x) (+ (exp x) 2)))
0.1b
(pow (exp x) 4)
0.0b
(+ 4 (+ (pow (exp x) 4) (* (exp x) -8)))
0.0b
(/ (+ (+ 4 (+ (pow (exp x) 4) (* (exp x) -8))) (* (exp x) (+ (exp x) 2))) (+ (* (+ (exp x) 2) (exp (+ x x))) (* 4 (exp x))))

rewrite194.0ms

Algorithm
rewrite-expression-head
Counts
4 → 77
Calls

4 calls. Slowest were:

144.0ms
(/ (+ (+ 4 (+ (pow (exp x) 4) (* (exp x) -8))) (* (exp x) (+ (exp x) 2))) (+ (* (+ (exp x) 2) (exp (+ x x))) (* 4 (exp x))))
42.0ms
(+ (+ 4 (+ (pow (exp x) 4) (* (exp x) -8))) (* (exp x) (+ (exp x) 2)))
5.0ms
(+ 4 (+ (pow (exp x) 4) (* (exp x) -8)))

series396.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

235.0ms
(/ (+ (+ 4 (+ (pow (exp x) 4) (* (exp x) -8))) (* (exp x) (+ (exp x) 2))) (+ (* (+ (exp x) 2) (exp (+ x x))) (* 4 (exp x))))
94.0ms
(+ (+ 4 (+ (pow (exp x) 4) (* (exp x) -8))) (* (exp x) (+ (exp x) 2)))
42.0ms
(+ 4 (+ (pow (exp x) 4) (* (exp x) -8)))

simplify10.6s

Counts
62 → 89
Calls

62 calls. Slowest were:

540.0ms
(* (+ (* 4 4) (- (* (+ (pow (exp x) 4) (* (exp x) -8)) (+ (pow (exp x) 4) (* (exp x) -8))) (* 4 (+ (pow (exp x) 4) (* (exp x) -8))))) (- (exp x) 2))
517.0ms
(/ (* (* (+ (+ 4 (+ (pow (exp x) 4) (* (exp x) -8))) (* (exp x) (+ (exp x) 2))) (+ (+ 4 (+ (pow (exp x) 4) (* (exp x) -8))) (* (exp x) (+ (exp x) 2)))) (+ (+ 4 (+ (pow (exp x) 4) (* (exp x) -8))) (* (exp x) (+ (exp x) 2)))) (* (* (+ (* (+ (exp x) 2) (exp (+ x x))) (* 4 (exp x))) (+ (* (+ (exp x) 2) (exp (+ x x))) (* 4 (exp x)))) (+ (* (+ (exp x) 2) (exp (+ x x))) (* 4 (exp x)))))
403.0ms
(/ (- (+ (pow (exp x) 2) (+ (pow (exp x) 4) 4)) (* 6 (exp x))) (+ (* 4 (exp x)) (+ (* (exp x) (exp (* 2 x))) (* 2 (exp (* 2 x))))))

prune1.6s

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize22.0ms

Local error

Found 4 expressions with local error:

5.1b
(+ (+ 4 (+ (pow (exp x) 4) (* (exp x) -8))) (* (exp x) (+ (exp x) 2)))
0.1b
(pow (exp x) 4)
0.1b
(/ (+ (+ 4 (+ (pow (exp x) 4) (* (exp x) -8))) (* (exp x) (+ (exp x) 2))) (sqrt (+ (* (+ (exp x) 2) (exp (+ x x))) (* 4 (exp x)))))
0.0b
(/ (/ (+ (+ 4 (+ (pow (exp x) 4) (* (exp x) -8))) (* (exp x) (+ (exp x) 2))) (sqrt (+ (* (+ (exp x) 2) (exp (+ x x))) (* 4 (exp x))))) (sqrt (+ (* (+ (exp x) 2) (exp (+ x x))) (* 4 (exp x)))))

rewrite308.0ms

Algorithm
rewrite-expression-head
Counts
4 → 269
Calls

4 calls. Slowest were:

134.0ms
(/ (/ (+ (+ 4 (+ (pow (exp x) 4) (* (exp x) -8))) (* (exp x) (+ (exp x) 2))) (sqrt (+ (* (+ (exp x) 2) (exp (+ x x))) (* 4 (exp x))))) (sqrt (+ (* (+ (exp x) 2) (exp (+ x x))) (* 4 (exp x)))))
120.0ms
(/ (+ (+ 4 (+ (pow (exp x) 4) (* (exp x) -8))) (* (exp x) (+ (exp x) 2))) (sqrt (+ (* (+ (exp x) 2) (exp (+ x x))) (* 4 (exp x)))))
47.0ms
(+ (+ 4 (+ (pow (exp x) 4) (* (exp x) -8))) (* (exp x) (+ (exp x) 2)))

series670.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

303.0ms
(/ (/ (+ (+ 4 (+ (pow (exp x) 4) (* (exp x) -8))) (* (exp x) (+ (exp x) 2))) (sqrt (+ (* (+ (exp x) 2) (exp (+ x x))) (* 4 (exp x))))) (sqrt (+ (* (+ (exp x) 2) (exp (+ x x))) (* 4 (exp x)))))
273.0ms
(/ (+ (+ 4 (+ (pow (exp x) 4) (* (exp x) -8))) (* (exp x) (+ (exp x) 2))) (sqrt (+ (* (+ (exp x) 2) (exp (+ x x))) (* 4 (exp x)))))
72.0ms
(+ (+ 4 (+ (pow (exp x) 4) (* (exp x) -8))) (* (exp x) (+ (exp x) 2)))

simplify1.2m

Counts
406 → 281
Calls

406 calls. Slowest were:

592.0ms
(/ (/ (+ (+ 4 (+ (pow (exp x) 4) (* (exp x) -8))) (* (exp x) (+ (exp x) 2))) (sqrt (+ (pow (* (+ (exp x) 2) (exp (+ x x))) 3) (pow (* 4 (exp x)) 3)))) (* (cbrt (sqrt (+ (* (+ (exp x) 2) (exp (+ x x))) (* 4 (exp x))))) (cbrt (sqrt (+ (* (+ (exp x) 2) (exp (+ x x))) (* 4 (exp x)))))))
558.0ms
(* (+ (* 4 4) (- (* (+ (pow (exp x) 4) (* (exp x) -8)) (+ (pow (exp x) 4) (* (exp x) -8))) (* 4 (+ (pow (exp x) 4) (* (exp x) -8))))) (- (exp x) 2))
527.0ms
(+ (* (+ (pow 4 3) (pow (+ (pow (exp x) 4) (* (exp x) -8)) 3)) (- (exp x) 2)) (* (+ (* 4 4) (- (* (+ (pow (exp x) 4) (* (exp x) -8)) (+ (pow (exp x) 4) (* (exp x) -8))) (* 4 (+ (pow (exp x) 4) (* (exp x) -8))))) (* (exp x) (- (* (exp x) (exp x)) (* 2 2)))))

prune4.0s

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

regimes34.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 
(FPCore (x)
  :name "exp2 (problem 3.3.7)"

  :herbie-target
  (* 4 (pow (sinh (/ x 2)) 2))

  (+ (- (exp x) 2) (exp (- x))))

Backtrace

partition: contract violation expected: list? given: 0.6538311504844313 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