invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
this resulted in a subtle soundness bug in Sledgehammer -- introduced by the transition to FOF
#!/usr/bin/env bash
#
# Author: Makarius
#
# DESCRIPTION: Cumulative reports for Poly/ML profiling output.
THIS=$(cd $(dirname "$0"); echo "$PWD")
SRC="$1"
DST="$2"
mkdir -p "$DST"
for FILE in "$SRC"/*.gz
do
echo "$FILE"
NAME="$(basename "$FILE" .gz)"
gzip -dc "$FILE" | "$THIS/profiling_report" > "$DST/$NAME"
done