Error in 9.2s

Runtime

Time bar (total: 9.2s)Debug logProfile

start233.0ms

Algorithm
intervals

setup27.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize43.0ms

Local error

Found 1 expressions with local error:

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

rewrite10.0ms

Algorithm
rewrite-expression-head
Counts
1 → 17
Calls

1 calls. Slowest were:

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

series44.0ms

Counts
1 → 3
Calls

1 calls. Slowest were:

44.0ms
(log (- (/ 1 x) 1))

simplify586.0ms

Counts
10 → 20
Calls

10 calls. Slowest were:

237.0ms
(- (+ x (+ (* 1/2 (pow x 2)) (log x))))
99.0ms
(- (log -1) (+ (/ 1 x) (* 1/2 (/ 1 (pow x 2)))))
99.0ms
(- (log -1) (+ (/ 1 x) (* 1/2 (/ 1 (pow x 2)))))

prune166.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize14.0ms

Local error

Found 2 expressions with local error:

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

rewrite15.0ms

Algorithm
rewrite-expression-head
Counts
2 → 31
Calls

2 calls. Slowest were:

9.0ms
(- (* (fma -1/2 x -1) x) (log x))
5.0ms
(* (fma -1/2 x -1) x)

series71.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

51.0ms
(* (fma -1/2 x -1) x)
20.0ms
(- (* (fma -1/2 x -1) x) (log x))

simplify1.9s

Counts
16 → 37
Calls

16 calls. Slowest were:

635.0ms
(- (log (/ 1 x)) (+ (* 1/2 (pow x 2)) x))
519.0ms
(- (log (/ -1 x)) (+ x (+ (* 1/2 (pow x 2)) (log -1))))
194.0ms
(- (+ x (+ (* 1/2 (pow x 2)) (log x))))

prune400.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes167.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018357 +o rules:numerics
(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