victor(1)

NAME
victor - attempts to discharge verification conditions using SMT solvers

SYNOPSIS
victor
[UNIT]

DESCRIPTION
The victor command is a wrapper around ViCToR (vct) which simplifies its use. ViCToR translates SPARK verification conditions into SMTlib and feeds them to an SMT solver. SPARK ships with one such SMT solver, alt-ergo, but it is possible to use others solvers such as cvc3.

The intended use of victor is to discharge true VCs left over by the Simplifier and not replace the Simplifier. Please also note that ViCToR is considered to be an experimental feature at the moment.

This manual page only summarises the victor command-line flags, please refer to the full VictorWrapper manual for further information.

OPTIONS
These options do not quite follow the usual GNU command line syntax as options start with a single dash instead of the usual two.

\FC-h\F[], \FC-help\F[]
    Shows command-line help.

\FC-t=\F[]SECONDS
    Time-out the SMT solver after this many seconds (by default 5) using ulimit. To disable time-out specify 0.

\FC-m=\F[]MEGABYTES
    Limit the SMT solver to this many MiB of virtual memory (by default no limit) using ulimit.

\FC-v\F[]
    Ignore the presence of any \FCsiv\F[] files and process \FCvcg\F[] files only. By default, given a UNIT such as foo, victor will first attempt to process foo.siv and then fall back to foo.vcg.

\FC-plain\F[]
    Plain mode — supress timings and versions.

\FC-solver=\F[]SOLVER
    Specifies an alternative SMT solver. By default we use alt-ergo. Can be one of alt-ergo, cvc3, yices or z3. The alt-ergo solver is distributed with SPARK. The cvc3 solver is part of Debian. The yices and z3 solvers are proprietary.

SEE ALSO
spark(1), sparksimp(1), spadesimp(1), zombiescope(1), pogs(1)

sparkformat(1), sparkmake(1)

cvc3(1)

AUTHOR
This manual page was written by Florian Schanda <\FCflorian.schanda@altran-praxis.com\F[]> for the Debian GNU/Linux system (but may be used by others). Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts and no Back-Cover Texts.