#!/usr/bin/env bash
#
# Wrapper for SPASS that also outputs the Flotter-generated CNF (needed for
# Isar proof reconstruction)
#
# Author: Jasmin Blanchette, TU Muenchen
options=${@:1:$(($#-1))}
name=${@:$(($#)):1}
# Try converting the file from TPTP to DFG, but fail gracefully if it is already
# in DFG format.
"$SPASS_HOME/tptp2dfg" $name $name.fof.dfg || cp $name $name.fof.dfg
"$SPASS_HOME/SPASS" -Flotter $name.fof.dfg \
| sed 's/description({$/description({*/' \
| sed 's/set_ClauseFormulaRelation()\.//' \
> $name.cnf.dfg
rm -f $name.fof.dfg
cat $name.cnf.dfg
"$SPASS_HOME/SPASS" $options $name.cnf.dfg \
| sed 's/\(Formulae used in the proof :\).*/\1 N\/A/'
rm -f $name.cnf.dfg