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|
#!/bin/bash
#
# Copyright (c) 2011 Michael Tautschnig <michael.tautschnig@comlab.ox.ac.uk>
# 2015 Michael Tautschnig <michael.tautschnig@qmul.ac.uk>
#
# All rights reserved. Redistribution and use in source and binary forms, with
# or without modification, are permitted provided that the following
# conditions are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# 3. All advertising materials mentioning features or use of this software
# must display the following acknowledgement:
#
# This product includes software developed by Michael Tautschnig,
# Queen Mary University of London
#
# 4. Neither the name of the University nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
#
# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS `AS IS'' AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# wrapper around CPROVER verification tools to obtain a list of claims; for
# other (unsupported) verification tools, ALL_CLAIMS:UNKNOWN is returned
set -e
die() {
echo $1
exit 1
}
ifs_bak=$IFS
cleanup() {
IFS=$ifs_bak
if [ -z "$NO_CLEANUP" ] ; then
for f in $TMP_FILES ; do
if [ -f $f ] ; then
rm $f
fi
done
rm -f tmp.stderr*.txt
fi
}
trap 'cleanup' ERR EXIT
mktemp_local_prefix_suffix() {
local varname=$1
local prefix=$2
local suffix=$3
local tmpf="`TMPDIR=. mktemp -t $prefix.XXXXXX`"
TMP_FILES="$TMP_FILES $tmpf"
local rand="`echo $tmpf | sed "s#^./$prefix\\\.##"`"
eval $varname=\"${prefix}_$rand$suffix\"
TMP_FILES="$TMP_FILES ${!varname}"
[ ! -f "${!varname}" ] || die "File already exists"
mv $tmpf ${!varname}
}
usage() {
cat <<EOF
Usage: $SELF [OPTIONS] SOURCES ... [-- BACKENDOPTS]
where SOURCES are C files or goto binaries
$SELF runs a verification tool of choice to extract a list of claim names.
All options following "--" are handed on to the tool.
Options for the verify front end: Purpose:
-h|--help show help
--no-cleanup don't remove generated files
--cmd CMD target verification tool to list claims for
EOF
}
read_claims() {
local ofile=$1
NUMBER_CLAIMS=0
local ifs=$IFS
IFS='
'
while read line1 && read line2 && read line3 && read line4 && read line5 && read line6 ; do
NUMBER_CLAIMS=$((NUMBER_CLAIMS + 1))
eval CLAIM_${NUMBER_CLAIMS}_claim_id=\'$line1\'
eval CLAIM_${NUMBER_CLAIMS}_file=\'$line2\'
eval CLAIM_${NUMBER_CLAIMS}_line=\'$line3\'
eval CLAIM_${NUMBER_CLAIMS}_text='\"$line4\"'
eval CLAIM_${NUMBER_CLAIMS}_claim=\'$line5\'
[ -z "$line6" ] || die "Unexpected non-empty line $line6"
done < $ofile
IFS=$ifs
}
print_claims() {
for i in `seq 1 $NUMBER_CLAIMS` ; do
claim_id_var="CLAIM_${i}_claim_id"
file_var="CLAIM_${i}_file"
line_var="CLAIM_${i}_line"
text_var="CLAIM_${i}_text"
claim_var="CLAIM_${i}_claim"
if [ "${!claim_var}" = "TRUE" ] ; then
echo "${!claim_id_var}:TRUE"
else
echo "${!claim_id_var}:UNKNOWN"
fi
done
}
run_tool() {
echo -n "Running $TOOL ... " 1>&2
mktemp_local_prefix_suffix list_of_claims claims .txt
exit_code=0
$TOOL $OPTS --show-claims $SOURCES > $list_of_claims || exit_code=$?
if [ $exit_code -ne 0 ] && [ "$TOOL" != "satabs" -o $exit_code -ne 1 ] ; then
die "Could not start $TOOL"
fi
echo "done." 1>&2
echo -n "Parsing $TOOL output ... " 1>&2
mktemp_local_prefix_suffix list_of_claims_converted claimsconv .txt
awk '
BEGIN {foundclaim = 0;}
/^Claim*/ {foundclaim = 1; claim = NR; n = length($2) - 1; str = substr($2, 1, n); print str}
(NR == claim + 1) && (foundclaim == 1) {print $2 "\n" $4}
(NR == claim + 2) && (foundclaim == 1) {print substr($0, 3)}
(NR == claim + 3) && (foundclaim == 1) {print substr($0, 3) "\n"}
' $list_of_claims > $list_of_claims_converted
echo "done." 1>&2
read_claims $list_of_claims_converted
echo "$NUMBER_CLAIMS claims" 1>&2
print_claims
}
SELF=$0
opts=`getopt -n "$0" -o "h" --long "\
help,\
no-cleanup,\
cmd:,\
" -- "$@"`
eval set -- "$opts"
unset NO_CLEANUP TOOL
while true ; do
case "$1" in
-h|--help) usage ; exit 0;;
--no-cleanup) NO_CLEANUP=1 ; shift 1;;
--cmd) TOOL="$2" ; shift 2;;
--) shift ; break ;;
*) die "Unknown option $1" ;;
esac
done
[ -n "$TOOL" ] || die "Please select the verification tool to be used"
case "$TOOL" in
satabs|cbmc|wolverine|scratch|loopfrog)
unset SOURCES OPTS
for o in $@ ; do
case "$o" in
-*)
OPTS=$@
break
;;
*)
[ -f "$o" ] || die "Source file $o not found"
if [ "$TOOL" = "scratch" -a "`file -b $o`" = "data" ] ; then
SOURCES="$SOURCES --binary $o"
else
SOURCES="$SOURCES $o"
fi
shift 1
;;
esac
done
[ -n "$SOURCES" ] || die "No source file given"
run_tool
;;
*)
echo "No specific support for $TOOL" 1>&2
echo "ALL_CLAIMS:UNKNOWN"
;;
esac
|
