try to avoid races again (cf. 8c37cb84065f and fd3a36e48b09);
#!/usr/bin/env bash
#
# Author: Jasmin Blanchette
#
# DESCRIPTION: Sledgehammer for TPTP
PRG="$(basename "$0")"
function usage() {
echo
echo "Usage: isabelle $PRG TIMEOUT FILES"
echo
echo " Runs Sledgehammer on TPTP problems."
echo " Each problem is allocated at most TIMEOUT seconds."
echo
exit 1
}
[ "$#" -eq 0 -o "$1" = "-?" ] && usage
SCRATCH="Scratch_${PRG}_$$_${RANDOM}"
TIMEOUT=$1
shift
for FILE in "$@"
do
echo "theory $SCRATCH imports \"$TPTP_HOME/ATP_Problem_Import\" begin \
ML {* ATP_Problem_Import.sledgehammer_tptp_file @{theory} ($TIMEOUT) \"$FILE\" *} end;" \
> /tmp/$SCRATCH.thy
"$ISABELLE_PROCESS" -e "use_thy \"/tmp/$SCRATCH\"; exit 1;"
done