don't choke on synonyms when parsing SPASS's Flotter output + renamings; the output format isn't documented so it was hard to guess that a single clause could be associated with several names...

fix Mirabelle timeout

make Mirabelle happy

fix bug in the newly introduced "bound concealing" code

handle division by zero gracefully (used to raise Unordered later on)

use "explicit_apply" in the minimizer whenever it might make a difference to prevent freak failures; this replaces the previous, somewhat messy solution of adding "extra" clauses

fix Meson's definition of first-orderness to prevent errors later on elsewhere (e.g. in Metis)

handle schematic vars the same way in Sledgehammer as in Metis, to avoid unreplayable proofs

revert exception throwing in FOL_SOLVE, since they're not caught anyway

avoid "ATP Error: Error: blah" style messages

avoid "_def_raw" theorems

better error and minimizer output

deal with chained facts more gracefully

speed up the minimizer by using the time taken for the first iteration as a timeout for the following iterations, and fix a subtle bug in "string_for_failure"

work around atomization failures