Error in 56.7s

Runtime

Time bar (total: 56.7s)Debug logProfile

start1.4s

Algorithm
intervals

setup220.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 58.0b

localize45.0ms

Local error

Found 4 expressions with local error:

3.8b
(- (exp (* (+ a b) eps)) 1)
2.6b
(- (exp (* b eps)) 1)
2.3b
(- (exp (* a eps)) 1)
0.0b
(exp (* (+ a b) eps))

rewrite24.0ms

Algorithm
rewrite-expression-head
Counts
4 → 46
Calls

4 calls. Slowest were:

11.0ms
(- (exp (* a eps)) 1)
6.0ms
(- (exp (* (+ a b) eps)) 1)
4.0ms
(- (exp (* b eps)) 1)

series115.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

35.0ms
(- (exp (* (+ a b) eps)) 1)
33.0ms
(- (exp (* b eps)) 1)
25.0ms
(- (exp (* a eps)) 1)

simplify1.1s

Counts
18 → 58
Calls

18 calls. Slowest were:

360.0ms
(+ (* 1/2 (* (pow a 2) (pow eps 2))) (+ (* 1/6 (* (pow a 3) (pow eps 3))) (* a eps)))
359.0ms
(+ (* eps b) (+ (* 1/2 (* (pow eps 2) (pow b 2))) (* 1/6 (* (pow eps 3) (pow b 3)))))
110.0ms
(+ (* 1/2 (* (pow a 2) (pow eps 2))) (+ (* eps b) (* a eps)))

prune1.0s

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 44.4b

localize42.0ms

Local error

Found 4 expressions with local error:

3.8b
(- (exp (* (+ a b) eps)) 1)
3.2b
(/ (* eps (- (exp (* (+ a b) eps)) 1)) (* (+ (* (* (* a eps) (* a eps)) (+ (* eps (* 1/6 a)) 1/2)) (* a eps)) (- (exp (* b eps)) 1)))
2.6b
(- (exp (* b eps)) 1)
2.0b
(* (+ (* (* (* a eps) (* a eps)) (+ (* eps (* 1/6 a)) 1/2)) (* a eps)) (- (exp (* b eps)) 1))

rewrite82.0ms

Algorithm
rewrite-expression-head
Counts
4 → 81
Calls

4 calls. Slowest were:

34.0ms
(* (+ (* (* (* a eps) (* a eps)) (+ (* eps (* 1/6 a)) 1/2)) (* a eps)) (- (exp (* b eps)) 1))
31.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1)) (* (+ (* (* (* a eps) (* a eps)) (+ (* eps (* 1/6 a)) 1/2)) (* a eps)) (- (exp (* b eps)) 1)))
9.0ms
(- (exp (* (+ a b) eps)) 1)

series954.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

746.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1)) (* (+ (* (* (* a eps) (* a eps)) (+ (* eps (* 1/6 a)) 1/2)) (* a eps)) (- (exp (* b eps)) 1)))
106.0ms
(* (+ (* (* (* a eps) (* a eps)) (+ (* eps (* 1/6 a)) 1/2)) (* a eps)) (- (exp (* b eps)) 1))
60.0ms
(- (exp (* (+ a b) eps)) 1)

simplify10.3s

Counts
56 → 93
Calls

56 calls. Slowest were:

506.0ms
(- (+ (/ (exp (* (+ a b) eps)) (* (pow a 3) (* (- (* 1/6 (exp (* eps b))) 1/6) (pow eps 2)))) (+ (* 1/2 (/ (exp (* eps b)) (* (pow a 4) (* (pow eps 3) (pow (- (* 1/6 (exp (* eps b))) 1/6) 2))))) (* 1/2 (/ (exp (* (+ a b) eps)) (* (pow a 4) (* (pow (- (* 1/6 (exp (* eps b))) 1/6) 2) (pow eps 3))))))) (+ (* 1/2 (/ (* (exp (* (+ a b) eps)) (exp (* eps b))) (* (pow a 4) (* (pow (- (* 1/6 (exp (* eps b))) 1/6) 2) (pow eps 3))))) (+ (* 1/2 (/ 1 (* (pow a 4) (* (pow eps 3) (pow (- (* 1/6 (exp (* eps b))) 1/6) 2))))) (/ 1 (* (pow a 3) (* (pow eps 2) (- (* 1/6 (exp (* eps b))) 1/6)))))))
493.0ms
(* (+ (* (* (* a eps) (* a eps)) (+ (* eps (* 1/6 a)) 1/2)) (* a eps)) (- 1))
489.0ms
(- (+ (/ (exp (* (+ a b) eps)) (* (pow a 3) (* (- (* 1/6 (exp (* eps b))) 1/6) (pow eps 2)))) (+ (* 1/2 (/ (exp (* eps b)) (* (pow a 4) (* (pow eps 3) (pow (- (* 1/6 (exp (* eps b))) 1/6) 2))))) (* 1/2 (/ (exp (* (+ a b) eps)) (* (pow a 4) (* (pow (- (* 1/6 (exp (* eps b))) 1/6) 2) (pow eps 3))))))) (+ (* 1/2 (/ (* (exp (* (+ a b) eps)) (exp (* eps b))) (* (pow a 4) (* (pow (- (* 1/6 (exp (* eps b))) 1/6) 2) (pow eps 3))))) (+ (* 1/2 (/ 1 (* (pow a 4) (* (pow eps 3) (pow (- (* 1/6 (exp (* eps b))) 1/6) 2))))) (/ 1 (* (pow a 3) (* (pow eps 2) (- (* 1/6 (exp (* eps b))) 1/6)))))))

prune2.1s

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 1 expressions with local error:

0.0b
(+ (/ 1 a) (/ 1 b))

rewrite7.0ms

Algorithm
rewrite-expression-head
Counts
1 → 16
Calls

1 calls. Slowest were:

7.0ms
(+ (/ 1 a) (/ 1 b))

series17.0ms

Counts
1 → 3
Calls

1 calls. Slowest were:

16.0ms
(+ (/ 1 a) (/ 1 b))

simplify49.0ms

Counts
10 → 19
Calls

10 calls. Slowest were:

10.0ms
(* (exp (/ 1 a)) (exp (/ 1 b)))
5.0ms
(+ (/ 1 a) (/ 1 b))
4.0ms
(+ (/ 1 a) (/ 1 b))

prune224.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize16.0ms

Local error

Found 1 expressions with local error:

16.3b
(/ (+ b a) (* a b))

rewrite9.0ms

Algorithm
rewrite-expression-head
Counts
1 → 21
Calls

1 calls. Slowest were:

9.0ms
(/ (+ b a) (* a b))

series34.0ms

Counts
1 → 3
Calls

1 calls. Slowest were:

34.0ms
(/ (+ b a) (* a b))

simplify147.0ms

Counts
15 → 24
Calls

15 calls. Slowest were:

73.0ms
(/ (* (* (+ b a) (+ b a)) (+ b a)) (* (* (* a b) (* a b)) (* a b)))
28.0ms
(- (log (+ b a)) (log (* a b)))
17.0ms
(- (* b b) (* a a))

prune199.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

regimes254.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018357 
(FPCore (a b eps)
  :name "expq3 (problem 3.4.2)"
  :pre (and (< -1 eps) (< eps 1))

  :herbie-target
  (/ (+ a b) (* a b))

  (/ (* eps (- (exp (* (+ a b) eps)) 1)) (* (- (exp (* a eps)) 1) (- (exp (* b eps)) 1))))

Backtrace

partition: contract violation expected: list? given: 3.0595940346802357 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