proper treatment of proof hyps: unchangeable, like bound;

proper Thm.transfer (required for zproofs);

clarified signature;

proper beta_norm after instantiation (amending 90c5aadcc4b2);

minor performance tuning: more direct beta_norm;

more robust norm_proof: turn env into instantiation, based on visible statement;

proper scope of cache (amending 61af3e917597);

tuned comments;

tuned names;

tuned signature;

more zproofs;

more operations: zterm ordering that follows fast_term_ord;

clarified signature; clarified modules;

clarified modules;

more zproofs;

more zproofs, imitating existing proofs (which are a bit rough here);

tuned signature;

tuned whitespace;

minor performance tuning;

tuned comments (see also 476a239d3e0e and possibly 4b62e0cb3aa8);

merged

minor performance tuning;

tuned;

minor performance tuning: prefer Same.operation;

clarified signature; minor performance tuning: avoid redundant identity;

minor performance tuning;

more operations;

revert 17fda85a33dc: renaming is not necessarily unique, e.g. [("x", "x"), ("x", "y")];

misc tuning and clarification;

minor performance tuning: prefer Symset.T; tuned names;

minor performace tuning;

minor performance tuning: prefer Same.operation;

tuned: more standard accumulation;

tuned;

clarified modules;

clarified signature;

tuned whitespace;

tuned;

proper ZTerm.lift_proof (amending 4a1a25bdf81d);

filter predecessors properly (amending ee405c40db72);

improve graphical clarity by omitting intra-host dependencies (following ee405c40db72);

more zproofs;

minor performance tuning: more direct abstraction level;

more general Logic.incr_indexes_operation; more special Logic.incr_indexes;

tuned;

tuned;

clarified modules;

clarified ML;

clarified signature; minor performance tuning;

tuned signature;

avoid accidental capture of theory value, and thus reduce heap size again (amending 5109e4b2a292);

tuned;

more robust: proper Proofterm.get_proofs_level with bound check;

tuned;

clarified signature: fewer tuples;

clarified signature: fewer tuples;

clarified signature: more explicit get_proofs_level with bounds check;

merged

misc tuning and clarification: more standard Same.commit discipline;

tuned;

tuned names;

more operations; more accurate treatment of beta contraction in norm_term/norm_proof, following Envir.norm_term;

minor performance tuning: more careful treatment of empty environment;

clarified signature;

more zproofs;

clarified signature: support shared cache;

tuned;

tuned: avoid shadowing;

more zproofs;

tuned;

more operations; clarified cache;

tuned signature;

tuned names;

tuned -- eliminate clones;

tuned;

more operations;

more operations;

tuned;

clarified signature;

tuned;

tuned;

consider schedule calculation time in estimation;

compare previous build schedule with new one, to prevent regressions;

clarified: build schedules may be outdated when empty, after some time, or due to build progress;

store previous build jobs in graph so schedules can be used later in the build process;

add serial for build schedule to avoid unnecessary db read/writes;

tuned;

clarified;

tuned;

use build database to synchronize build schedule computed on master node (e.g., such that view on cluster is consistent);

add build uuid to schedule;

tuned;

use schedule directly instead of extra cache;

added build schedule command-line wrapper;

added graphical representation of build schedules;

clarified build heuristics parameters;

proper parallel paths: factor in elapsed time;

performance tuning: cache estimates;

misc tuning and clarification;

tuned;

misc tuning and clarification, following Term.incr_bv / Term.incr_boundvars;

tuned;

tuned;

minor performance tuning: regular Same.operation;

clarified signature: more standard argument order;

clarified signature: more standard argument order;

tuned whitespace;

tuned: more standard names;

clarified signature;

tuned: prefer Same.commit;

tuned: more standard argument order;

clarified signature;

more operations; more caching;

tuned comments;

tuned structure;

tuned;

merged

performance tuning: cache for ztyp_of within zterm_of; clarified signature;

tuned names;

minor performance tuning;