Error in 14.0s

Runtime

Time bar (total: 14.0s)Debug logProfile

start233.0ms

Algorithm
intervals

setup361.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.2b

localize19.0ms

Local error

Found 4 expressions with local error:

0.3b
(pow (+ (* a a) (* b b)) 2)
0.0b
(+ (pow (+ (* a a) (* b b)) 2) (* 4 (* b b)))
0.0b
(* 4 (* b b))
0.0b
(+ (* a a) (* b b))

rewrite37.0ms

Algorithm
rewrite-expression-head
Counts
4 → 45
Calls

4 calls. Slowest were:

27.0ms
(+ (pow (+ (* a a) (* b b)) 2) (* 4 (* b b)))
4.0ms
(+ (* a a) (* b b))
3.0ms
(pow (+ (* a a) (* b b)) 2)

series120.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

49.0ms
(+ (pow (+ (* a a) (* b b)) 2) (* 4 (* b b)))
27.0ms
(pow (+ (* a a) (* b b)) 2)
25.0ms
(+ (* a a) (* b b))

simplify841.0ms

Counts
19 → 57
Calls

19 calls. Slowest were:

195.0ms
(* (exp (pow (+ (* a a) (* b b)) 2)) (exp (* 4 (* b b))))
127.0ms
(+ (pow b 4) (+ (* 2 (* (pow a 2) (pow b 2))) (pow a 4)))
119.0ms
(+ (* 2 (* (pow a 2) (pow b 2))) (+ (* 4 (pow b 2)) (pow a 4)))

prune776.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize54.0ms

Local error

Found 4 expressions with local error:

2.3b
(* (pow a 2) (pow b 2))
0.0b
(+ (+ (pow b 4) (+ (pow a 4) (* 2 (* (pow a 2) (pow b 2))))) (* 4 (* b b)))
0.0b
(* 2 (* (pow a 2) (pow b 2)))
0.0b
(* 4 (* b b))

rewrite71.0ms

Algorithm
rewrite-expression-head
Counts
4 → 54
Calls

4 calls. Slowest were:

59.0ms
(+ (+ (pow b 4) (+ (pow a 4) (* 2 (* (pow a 2) (pow b 2))))) (* 4 (* b b)))
6.0ms
(* (pow a 2) (pow b 2))
4.0ms
(* 2 (* (pow a 2) (pow b 2)))

series101.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

50.0ms
(+ (+ (pow b 4) (+ (pow a 4) (* 2 (* (pow a 2) (pow b 2))))) (* 4 (* b b)))
23.0ms
(* 2 (* (pow a 2) (pow b 2)))
17.0ms
(* (pow a 2) (pow b 2))

simplify1.6s

Counts
28 → 66
Calls

28 calls. Slowest were:

307.0ms
(* (* (exp (pow b 4)) (* (exp (pow a 4)) (exp (* 2 (* (pow a 2) (pow b 2)))))) (exp (* 4 (* b b))))
303.0ms
(* (* (exp (pow b 4)) (exp (+ (pow a 4) (* 2 (* (pow a 2) (pow b 2)))))) (exp (* 4 (* b b))))
169.0ms
(* (exp (+ (pow b 4) (+ (pow a 4) (* 2 (* (pow a 2) (pow b 2)))))) (exp (* 4 (* b b))))

prune1.3s

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes273.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018357 
(FPCore (a b)
  :name "Bouland and Aaronson, Equation (26)"
  (- (+ (pow (+ (* a a) (* b b)) 2) (* 4 (* b b))) 1))

Backtrace

partition: contract violation expected: list? given: 0.00925 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