Average Error: 60.5 → 59.4
Time: 56.7s
Precision: 64
Internal Precision: 128
\[\cos^{-1} \left({\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}^{\left(\log_* (1 + a)\right)}\right)\]
\[\cos^{-1} \left({\left(\left(\log \left(\sqrt[3]{e^{\sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)} \cdot \sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}}}\right) + \log \left(\sqrt[3]{e^{\sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)} \cdot \sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}}} \cdot \sqrt[3]{e^{\sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)} \cdot \sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}}}\right)\right) \cdot \sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}\right)}^{\left(\log_* (1 + a)\right)}\right)\]

Error

Bits error versus a

Derivation

  1. Initial program 60.5

    \[\cos^{-1} \left({\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}^{\left(\log_* (1 + a)\right)}\right)\]
  2. Using strategy rm
  3. Applied add-log-exp59.6

    \[\leadsto \cos^{-1} \left({\color{blue}{\left(\log \left(e^{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}\right)\right)}}^{\left(\log_* (1 + a)\right)}\right)\]
  4. Using strategy rm
  5. Applied add-cube-cbrt59.6

    \[\leadsto \cos^{-1} \left({\left(\log \left(e^{\color{blue}{\left(\sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)} \cdot \sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}\right) \cdot \sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}}}\right)\right)}^{\left(\log_* (1 + a)\right)}\right)\]
  6. Applied exp-prod59.6

    \[\leadsto \cos^{-1} \left({\left(\log \color{blue}{\left({\left(e^{\sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)} \cdot \sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}}\right)}^{\left(\sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}\right)}\right)}\right)}^{\left(\log_* (1 + a)\right)}\right)\]
  7. Applied log-pow59.4

    \[\leadsto \cos^{-1} \left({\color{blue}{\left(\sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)} \cdot \log \left(e^{\sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)} \cdot \sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}}\right)\right)}}^{\left(\log_* (1 + a)\right)}\right)\]
  8. Using strategy rm
  9. Applied add-cube-cbrt59.4

    \[\leadsto \cos^{-1} \left({\left(\sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)} \cdot \log \color{blue}{\left(\left(\sqrt[3]{e^{\sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)} \cdot \sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}}} \cdot \sqrt[3]{e^{\sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)} \cdot \sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}}}\right) \cdot \sqrt[3]{e^{\sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)} \cdot \sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}}}\right)}\right)}^{\left(\log_* (1 + a)\right)}\right)\]
  10. Applied log-prod59.4

    \[\leadsto \cos^{-1} \left({\left(\sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)} \cdot \color{blue}{\left(\log \left(\sqrt[3]{e^{\sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)} \cdot \sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}}} \cdot \sqrt[3]{e^{\sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)} \cdot \sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}}}\right) + \log \left(\sqrt[3]{e^{\sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)} \cdot \sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}}}\right)\right)}\right)}^{\left(\log_* (1 + a)\right)}\right)\]
  11. Final simplification59.4

    \[\leadsto \cos^{-1} \left({\left(\left(\log \left(\sqrt[3]{e^{\sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)} \cdot \sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}}}\right) + \log \left(\sqrt[3]{e^{\sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)} \cdot \sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}}} \cdot \sqrt[3]{e^{\sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)} \cdot \sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}}}\right)\right) \cdot \sqrt[3]{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}\right)}^{\left(\log_* (1 + a)\right)}\right)\]

Reproduce

herbie shell --seed 2019002 
(FPCore (a)
  :name "Random Jason Timeout Test 012"
  (acos (pow (fmod (cosh a) (* a a)) (log1p a))))

Details

Time bar (total: 54.8s)Debug log

sample2.2s

Algorithm
intervals

simplify53.0ms

Counts
1 → 1
Calls

1 calls. Slowest were:

52.0ms
(acos (pow (fmod (cosh a) (* a a)) (log1p a)))

prune18.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 60.9b

localize36.0ms

Local error

Found 3 expressions with local error:

60.5b
(fmod (cosh a) (* a a))
2.5b
(acos (pow (fmod (cosh a) (* a a)) (log1p a)))
0.0b
(pow (fmod (cosh a) (* a a)) (log1p a))

rewrite10.0ms

Algorithm
rewrite-expression-head
Counts
3 → 31
Calls

3 calls. Slowest were:

4.0ms
(pow (fmod (cosh a) (* a a)) (log1p a))
2.0ms
(acos (pow (fmod (cosh a) (* a a)) (log1p a)))
2.0ms
(fmod (cosh a) (* a a))

series241.0ms

Counts
3 → 9
Calls

3 calls. Slowest were:

220.0ms
(pow (fmod (cosh a) (* a a)) (log1p a))
16.0ms
(fmod (cosh a) (* a a))
5.0ms
(acos (pow (fmod (cosh a) (* a a)) (log1p a)))

simplify136.0ms

Counts
17 → 40
Calls

17 calls. Slowest were:

17.0ms
(pow (* (cbrt (fmod (cosh a) (* a a))) (cbrt (fmod (cosh a) (* a a)))) (log1p a))
16.0ms
(acos (pow (fmod (cosh a) (pow a 2)) (log1p a)))
15.0ms
(* (log (fmod (cosh a) (* a a))) (log1p a))

prune430.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 59.7b

localize12.0ms

Local error

Found 4 expressions with local error:

60.5b
(fmod (cosh a) (* a a))
11.5b
(log (exp (fmod (cosh a) (* a a))))
2.5b
(acos (pow (log (exp (fmod (cosh a) (* a a)))) (log1p a)))
0.0b
(pow (log (exp (fmod (cosh a) (* a a)))) (log1p a))

rewrite6.0ms

Algorithm
rewrite-expression-head
Counts
4 → 50
Calls

4 calls. Slowest were:

3.0ms
(pow (log (exp (fmod (cosh a) (* a a)))) (log1p a))
2.0ms
(log (exp (fmod (cosh a) (* a a))))
1.0ms
(acos (pow (log (exp (fmod (cosh a) (* a a)))) (log1p a)))

series170.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

163.0ms
(pow (log (exp (fmod (cosh a) (* a a)))) (log1p a))
2.0ms
(acos (pow (log (exp (fmod (cosh a) (* a a)))) (log1p a)))
2.0ms
(fmod (cosh a) (* a a))
2.0ms
(log (exp (fmod (cosh a) (* a a))))

simplify193.0ms

Counts
31 → 62
Calls

31 calls. Slowest were:

17.0ms
(pow (* (cbrt (log (exp (fmod (cosh a) (* a a))))) (cbrt (log (exp (fmod (cosh a) (* a a)))))) (log1p a))
16.0ms
(exp (* (log (fmod (cosh a) (pow a 2))) (log1p a)))
13.0ms
(pow (sqrt (fmod (cosh a) (* a a))) (log1p a))

prune790.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 59.7b

localize36.0ms

Local error

Found 4 expressions with local error:

60.5b
(fmod (cosh a) (* a a))
60.5b
(fmod (cosh a) (* a a))
60.5b
(fmod (cosh a) (* a a))
11.2b
(log (exp (* (cbrt (fmod (cosh a) (* a a))) (cbrt (fmod (cosh a) (* a a))))))

rewrite3.0ms

Algorithm
rewrite-expression-head
Counts
4 → 35
Calls

4 calls. Slowest were:

2.0ms
(log (exp (* (cbrt (fmod (cosh a) (* a a))) (cbrt (fmod (cosh a) (* a a))))))
0.0ms
(fmod (cosh a) (* a a))
0.0ms
(fmod (cosh a) (* a a))

series210.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

203.0ms
(log (exp (* (cbrt (fmod (cosh a) (* a a))) (cbrt (fmod (cosh a) (* a a))))))
2.0ms
(fmod (cosh a) (* a a))
2.0ms
(fmod (cosh a) (* a a))
2.0ms
(fmod (cosh a) (* a a))

simplify123.0ms

Counts
18 → 47
Calls

18 calls. Slowest were:

23.0ms
(log (* (cbrt (exp (* (cbrt (fmod (cosh a) (* a a))) (cbrt (fmod (cosh a) (* a a)))))) (cbrt (exp (* (cbrt (fmod (cosh a) (* a a))) (cbrt (fmod (cosh a) (* a a))))))))
19.0ms
(log (sqrt (exp (* (cbrt (fmod (cosh a) (* a a))) (cbrt (fmod (cosh a) (* a a)))))))
8.0ms
(pow (pow (fmod (cosh a) (pow a 2)) 2) 1/3)

prune805.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 59.6b

localize33.0ms

Local error

Found 4 expressions with local error:

60.5b
(fmod (cosh a) (* a a))
60.5b
(fmod (cosh a) (* a a))
60.5b
(fmod (cosh a) (* a a))
60.5b
(fmod (cosh a) (* a a))

rewrite2.0ms

Algorithm
rewrite-expression-head
Counts
4 → 28
Calls

4 calls. Slowest were:

0.0ms
(fmod (cosh a) (* a a))
0.0ms
(fmod (cosh a) (* a a))
0.0ms
(fmod (cosh a) (* a a))

series19.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

10.0ms
(fmod (cosh a) (* a a))
3.0ms
(fmod (cosh a) (* a a))
3.0ms
(fmod (cosh a) (* a a))
3.0ms
(fmod (cosh a) (* a a))

simplify49.0ms

Counts
12 → 40
Calls

12 calls. Slowest were:

5.0ms
(fmod (cosh a) (pow a 2))
5.0ms
(fmod (cosh a) (pow a 2))
5.0ms
(fmod (cosh a) (pow a 2))

prune948.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 59.6b

regimes378.0ms

Accuracy

0% (0.3b remaining)

Error of 59.4b against oracle of 59.2b and baseline of 59.4b

bsearch4.0ms

end0.0ms

sample48.0s

Algorithm
intervals