Error in 7.4s

Runtime

Time bar (total: 7.4s)Debug logProfile

start235.0ms

Algorithm
intervals

setup20.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize50.0ms

Local error

Found 1 expressions with local error:

0.0b
(log (- (/ 1 x) 1))

rewrite8.0ms

Algorithm
rewrite-expression-head
Counts
1 → 15
Calls

1 calls. Slowest were:

6.0ms
(log (- (/ 1 x) 1))

series35.0ms

Counts
1 → 3
Calls

1 calls. Slowest were:

34.0ms
(log (- (/ 1 x) 1))

simplify717.0ms

Counts
10 → 18
Calls

10 calls. Slowest were:

419.0ms
(log (- (* (/ 1 x) (/ 1 x)) (* 1 1)))
105.0ms
(- (+ x (+ (* 1/2 (pow x 2)) (log x))))
69.0ms
(- (log -1) (+ (/ 1 x) (* 1/2 (/ 1 (pow x 2)))))

prune207.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize30.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ x (log x))
0.0b
(* (* x x) -1/2)

rewrite7.0ms

Algorithm
rewrite-expression-head
Counts
2 → 19
Calls

2 calls. Slowest were:

4.0ms
(+ x (log x))
2.0ms
(* (* x x) -1/2)

series221.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

200.0ms
(+ x (log x))
20.0ms
(* (* x x) -1/2)

simplify75.0ms

Counts
6 → 25
Calls

6 calls. Slowest were:

50.0ms
(- (+ x (log -1)) (log (/ -1 x)))
9.0ms
(- x (log (/ 1 x)))
4.0ms
(+ x (log x))

prune269.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes223.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018357 
(FPCore (x)
  :name "neg log"
  (- (log (- (/ 1 x) 1))))

Backtrace

partition: contract violation expected: list? given: 0.012568619176621847 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