Error in 21.4s

Runtime

Time bar (total: 21.4s)Debug log

start248.0ms

Algorithm
intervals

setup61.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 58.6b

localize11.0ms

Local error

Found 2 expressions with local error:

6.2b
(log (/ (- 1 eps) (+ eps 1)))
0.0b
(/ (- 1 eps) (+ eps 1))

rewrite5.0ms

Algorithm
rewrite-expression-head
Counts
2 → 58
Calls

2 calls. Slowest were:

2.0ms
(/ (- 1 eps) (+ eps 1))
1.0ms
(log (/ (- 1 eps) (+ eps 1)))

series80.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

63.0ms
(log (/ (- 1 eps) (+ eps 1)))
16.0ms
(/ (- 1 eps) (+ eps 1))

simplify1.9s

Counts
54 → 64
Calls

54 calls. Slowest were:

319.0ms
(/ (* (* (- 1 eps) (- 1 eps)) (- 1 eps)) (* (* (+ eps 1) (+ eps 1)) (+ eps 1)))
210.0ms
(- (+ (* 2/3 (pow eps 3)) (+ (* 2/5 (pow eps 5)) (* 2 eps))))
195.0ms
(- (log -1) (+ (* 2 (/ 1 eps)) (* 2/3 (/ 1 (pow eps 3)))))

prune627.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize43.0ms

Local error

Found 2 expressions with local error:

0.2b
(* 2/3 (pow eps 3))
0.1b
(* 2/5 (pow eps 5))

rewrite3.0ms

Algorithm
rewrite-expression-head
Counts
2 → 24
Calls

2 calls. Slowest were:

1.0ms
(* 2/3 (pow eps 3))
1.0ms
(* 2/5 (pow eps 5))

series44.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

28.0ms
(* 2/5 (pow eps 5))
16.0ms
(* 2/3 (pow eps 3))

simplify58.0ms

Counts
13 → 30
Calls

13 calls. Slowest were:

11.0ms
(* 2/3 (pow eps 3))
11.0ms
(* 2/3 (pow eps 3))
11.0ms
(* 2/3 (pow eps 3))

prune593.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize12.0ms

Local error

Found 4 expressions with local error:

6.2b
(log (- (/ 1 (+ eps 1)) (/ eps (+ eps 1))))
0.0b
(/ 1 (+ eps 1))
0.0b
(- (/ 1 (+ eps 1)) (/ eps (+ eps 1)))
0.0b
(/ eps (+ eps 1))

rewrite22.0ms

Algorithm
rewrite-expression-head
Counts
4 → 77
Calls

4 calls. Slowest were:

11.0ms
(- (/ 1 (+ eps 1)) (/ eps (+ eps 1)))
7.0ms
(log (- (/ 1 (+ eps 1)) (/ eps (+ eps 1))))
2.0ms
(/ 1 (+ eps 1))

series164.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

112.0ms
(log (- (/ 1 (+ eps 1)) (/ eps (+ eps 1))))
25.0ms
(- (/ 1 (+ eps 1)) (/ eps (+ eps 1)))
17.0ms
(/ eps (+ eps 1))

simplify3.1s

Counts
55 → 89
Calls

55 calls. Slowest were:

798.0ms
(log (- (* 1 (+ eps 1)) (* (+ eps 1) eps)))
415.0ms
(log (- (* (/ 1 (+ eps 1)) (/ 1 (+ eps 1))) (* (/ eps (+ eps 1)) (/ eps (+ eps 1)))))
329.0ms
(log (- (pow (/ 1 (+ eps 1)) 3) (pow (/ eps (+ eps 1)) 3)))

prune713.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize27.0ms

Local error

Found 4 expressions with local error:

6.4b
(log (/ 1 (sqrt (+ eps 1))))
6.2b
(log (/ (- 1 eps) (sqrt (+ eps 1))))
0.0b
(/ 1 (sqrt (+ eps 1)))
0.0b
(+ (log (/ 1 (sqrt (+ eps 1)))) (log (/ (- 1 eps) (sqrt (+ eps 1)))))

rewrite13.0ms

Algorithm
rewrite-expression-head
Counts
4 → 125
Calls

4 calls. Slowest were:

7.0ms
(+ (log (/ 1 (sqrt (+ eps 1)))) (log (/ (- 1 eps) (sqrt (+ eps 1)))))
2.0ms
(log (/ (- 1 eps) (sqrt (+ eps 1))))
1.0ms
(/ 1 (sqrt (+ eps 1)))

series236.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

134.0ms
(+ (log (/ 1 (sqrt (+ eps 1)))) (log (/ (- 1 eps) (sqrt (+ eps 1)))))
55.0ms
(log (/ (- 1 eps) (sqrt (+ eps 1))))
32.0ms
(log (/ 1 (sqrt (+ eps 1))))

simplify2.4s

Counts
98 → 137
Calls

98 calls. Slowest were:

303.0ms
(- (+ (* 1/4 (pow eps 2)) (+ (* 1/2 (pow eps 3)) (* 3/2 eps))))
211.0ms
(- (* 1/4 (pow eps 2)) (+ (* 1/6 (pow eps 3)) (* 1/2 eps)))
199.0ms
(* (/ 1 (sqrt (+ eps 1))) (/ (- 1 eps) (sqrt (+ eps 1))))

prune1.3s

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes38.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 
(FPCore (eps)
  :name "logq (problem 3.4.3)"

  :herbie-target
  (* -2 (+ (+ eps (/ (pow eps 3) 3)) (/ (pow eps 5) 5)))

  (log (/ (- 1 eps) (+ 1 eps))))

Backtrace

partition: contract violation expected: list? given: 0.20163964168360654 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