Error in 49.3s

Runtime

Time bar (total: 49.3s)Debug logProfile

start534.0ms

Algorithm
intervals

setup81.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.3b

localize44.0ms

Local error

Found 3 expressions with local error:

0.7b
(pow (* PI (* n 2)) (- 1/2 (/ k 2)))
0.3b
(* PI (* n 2))
0.2b
(/ (pow (* PI (* n 2)) (- 1/2 (/ k 2))) (sqrt k))

rewrite15.0ms

Algorithm
rewrite-expression-head
Counts
3 → 68
Calls

3 calls. Slowest were:

6.0ms
(* PI (* n 2))
5.0ms
(/ (pow (* PI (* n 2)) (- 1/2 (/ k 2))) (sqrt k))
3.0ms
(pow (* PI (* n 2)) (- 1/2 (/ k 2)))

series444.0ms

Counts
3 → 9
Calls

3 calls. Slowest were:

226.0ms
(/ (pow (* PI (* n 2)) (- 1/2 (/ k 2))) (sqrt k))
135.0ms
(pow (* PI (* n 2)) (- 1/2 (/ k 2)))
83.0ms
(* PI (* n 2))

simplify3.4s

Counts
67 → 77
Calls

67 calls. Slowest were:

642.0ms
(- (* (log (* PI (* n 2))) (- 1/2 (/ k 2))) (log (sqrt k)))
600.0ms
(- (* (log (* PI (* n 2))) (- 1/2 (/ k 2))) (log (sqrt k)))
333.0ms
(/ (* (* (pow (* PI (* n 2)) (- 1/2 (/ k 2))) (pow (* PI (* n 2)) (- 1/2 (/ k 2)))) (pow (* PI (* n 2)) (- 1/2 (/ k 2)))) (* (* (sqrt k) (sqrt k)) (sqrt k)))

prune1.1s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

localize32.0ms

Local error

Found 4 expressions with local error:

0.7b
(pow (* n 2) (- 1/2 (/ k 2)))
0.5b
(pow PI (- 1/2 (/ k 2)))
0.2b
(/ (pow (* n 2) (- 1/2 (/ k 2))) (sqrt k))
0.2b
(* (pow PI (- 1/2 (/ k 2))) (/ (pow (* n 2) (- 1/2 (/ k 2))) (sqrt k)))

rewrite27.0ms

Algorithm
rewrite-expression-head
Counts
4 → 121
Calls

4 calls. Slowest were:

11.0ms
(* (pow PI (- 1/2 (/ k 2))) (/ (pow (* n 2) (- 1/2 (/ k 2))) (sqrt k)))
9.0ms
(/ (pow (* n 2) (- 1/2 (/ k 2))) (sqrt k))
3.0ms
(pow (* n 2) (- 1/2 (/ k 2)))

series566.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

283.0ms
(* (pow PI (- 1/2 (/ k 2))) (/ (pow (* n 2) (- 1/2 (/ k 2))) (sqrt k)))
156.0ms
(/ (pow (* n 2) (- 1/2 (/ k 2))) (sqrt k))
104.0ms
(pow (* n 2) (- 1/2 (/ k 2)))

simplify5.3s

Counts
116 → 133
Calls

116 calls. Slowest were:

602.0ms
(+ (* (log PI) (- 1/2 (/ k 2))) (- (log (pow (* n 2) (- 1/2 (/ k 2)))) (log (sqrt k))))
500.0ms
(* (* (* (pow PI (- 1/2 (/ k 2))) (pow PI (- 1/2 (/ k 2)))) (pow PI (- 1/2 (/ k 2)))) (/ (* (* (pow (* n 2) (- 1/2 (/ k 2))) (pow (* n 2) (- 1/2 (/ k 2)))) (pow (* n 2) (- 1/2 (/ k 2)))) (* (* (sqrt k) (sqrt k)) (sqrt k))))
406.0ms
(+ (log (pow PI (- 1/2 (/ k 2)))) (- (log (pow (* n 2) (- 1/2 (/ k 2)))) (log (sqrt k))))

prune1.9s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0b

localize27.0ms

Local error

Found 4 expressions with local error:

0.7b
(pow (* n 2) (- 1/2 (/ k 2)))
0.2b
(/ (pow (* n 2) (- 1/2 (/ k 2))) (sqrt k))
0.2b
(* (exp (* (log PI) (- 1/2 (/ k 2)))) (/ (pow (* n 2) (- 1/2 (/ k 2))) (sqrt k)))
0.0b
(* (log PI) (- 1/2 (/ k 2)))

rewrite44.0ms

Algorithm
rewrite-expression-head
Counts
4 → 127
Calls

4 calls. Slowest were:

22.0ms
(* (exp (* (log PI) (- 1/2 (/ k 2)))) (/ (pow (* n 2) (- 1/2 (/ k 2))) (sqrt k)))
9.0ms
(/ (pow (* n 2) (- 1/2 (/ k 2))) (sqrt k))
8.0ms
(* (log PI) (- 1/2 (/ k 2)))

series951.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

380.0ms
(* (log PI) (- 1/2 (/ k 2)))
291.0ms
(* (exp (* (log PI) (- 1/2 (/ k 2)))) (/ (pow (* n 2) (- 1/2 (/ k 2))) (sqrt k)))
163.0ms
(/ (pow (* n 2) (- 1/2 (/ k 2))) (sqrt k))

simplify5.1s

Counts
120 → 139
Calls

120 calls. Slowest were:

629.0ms
(+ (* (log PI) (- 1/2 (/ k 2))) (- (log (pow (* n 2) (- 1/2 (/ k 2)))) (log (sqrt k))))
451.0ms
(* (* (* (log PI) (log PI)) (log PI)) (* (* (- 1/2 (/ k 2)) (- 1/2 (/ k 2))) (- 1/2 (/ k 2))))
326.0ms
(- (log (pow (* n 2) (- 1/2 (/ k 2)))) (log (sqrt k)))

prune2.3s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0b

localize6.0ms

Local error

Found 4 expressions with local error:

0.7b
(pow (* n 2) (- 1/2 (/ k 2)))
0.2b
(/ (* (exp (* (log PI) (- 1/2 (/ k 2)))) (pow (* n 2) (- 1/2 (/ k 2)))) (sqrt k))
0.2b
(* (exp (* (log PI) (- 1/2 (/ k 2)))) (pow (* n 2) (- 1/2 (/ k 2))))
0.0b
(* (log PI) (- 1/2 (/ k 2)))

rewrite27.0ms

Algorithm
rewrite-expression-head
Counts
4 → 92
Calls

4 calls. Slowest were:

11.0ms
(/ (* (exp (* (log PI) (- 1/2 (/ k 2)))) (pow (* n 2) (- 1/2 (/ k 2)))) (sqrt k))
10.0ms
(* (exp (* (log PI) (- 1/2 (/ k 2)))) (pow (* n 2) (- 1/2 (/ k 2))))
4.0ms
(* (log PI) (- 1/2 (/ k 2)))

series816.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

349.0ms
(* (log PI) (- 1/2 (/ k 2)))
242.0ms
(/ (* (exp (* (log PI) (- 1/2 (/ k 2)))) (pow (* n 2) (- 1/2 (/ k 2)))) (sqrt k))
141.0ms
(* (exp (* (log PI) (- 1/2 (/ k 2)))) (pow (* n 2) (- 1/2 (/ k 2))))

simplify6.7s

Counts
73 → 104
Calls

73 calls. Slowest were:

940.0ms
(/ (* (* (* (exp (* (log PI) (- 1/2 (/ k 2)))) (exp (* (log PI) (- 1/2 (/ k 2))))) (exp (* (log PI) (- 1/2 (/ k 2))))) (* (* (pow (* n 2) (- 1/2 (/ k 2))) (pow (* n 2) (- 1/2 (/ k 2)))) (pow (* n 2) (- 1/2 (/ k 2))))) (* (* (sqrt k) (sqrt k)) (sqrt k)))
506.0ms
(- (+ (* (log PI) (- 1/2 (/ k 2))) (log (pow (* n 2) (- 1/2 (/ k 2))))) (log (sqrt k)))
441.0ms
(/ (* (* (* (exp (* (log PI) (- 1/2 (/ k 2)))) (pow (* n 2) (- 1/2 (/ k 2)))) (* (exp (* (log PI) (- 1/2 (/ k 2)))) (pow (* n 2) (- 1/2 (/ k 2))))) (* (exp (* (log PI) (- 1/2 (/ k 2)))) (pow (* n 2) (- 1/2 (/ k 2))))) (* (* (sqrt k) (sqrt k)) (sqrt k)))

prune1.6s

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

regimes127.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018357 
(FPCore (k n)
  :name "Migdal et al, Equation (51)"
  (* (/ 1 (sqrt k)) (pow (* (* 2 PI) n) (/ (- 1 k) 2))))

Backtrace

partition: contract violation expected: list? given: 0.39278603522626604 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