Large Theory Batch Results

Salient Systems

• Vampire out front
  • Dynamic strategy scheduling
  • Impacted later and repeated runs
  • Max 137 attempts, on 2024 problems, 5 solved
  • Large range of gracefully increasing accumulated CPU times
• Zipperposition's low times and core usage due to a scheduling bug!

Version Solutions

• Quite a high degree of specialization
• Vampire is broadest
• Leo-III can also attempt FOF and TF0
  • Won CASC-27 by solving across the versions
• iProver did not use its FOF capability,
  • Did not attempt 8 problems due to a memory error
• E 2.6 did not use it's TH0 capability due to a bug

Portfolio Possibilities

• 1668 problems unsolved, 2136 all solved
• 699 unique solutions, 427 by Vampire
• Portfolio hard to consider, but ...
• Union of Vampire and Zipperposition solves 8121