sbysrc/sby_mode_prove.py

   1 #
   2 # SymbiYosys (sby) -- Front-end for Yosys-based formal verification flows
   3 #
   4 # Copyright (C) 2016  Claire Xenia Wolf <claire@yosyshq.com>
   5 #
   6 # Permission to use, copy, modify, and/or distribute this software for any
   7 # purpose with or without fee is hereby granted, provided that the above
   8 # copyright notice and this permission notice appear in all copies.
   9 #
  10 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17 #
  18
  19 import re, os, getopt
  20 from sby_core import SbyProc
  21
  22 def run(task):
  23     task.handle_int_option("depth", 20)
  24     task.handle_int_option("append", 0)
  25     task.handle_str_option("aigsmt", "yices")
  26
  27     task.status = "UNKNOWN"
  28
  29     task.basecase_pass = False
  30     task.induction_pass = False
  31     task.basecase_procs = list()
  32     task.induction_procs = list()
  33
  34     for engine_idx, engine in task.engine_list():
  35         assert len(engine) > 0
  36
  37         task.log(f"""engine_{engine_idx}: {" ".join(engine)}""")
  38         task.makedirs(f"{task.workdir}/engine_{engine_idx}")
  39
  40         if engine[0] == "smtbmc":
  41             import sby_engine_smtbmc
  42             sby_engine_smtbmc.run("prove", task, engine_idx, engine)
  43
  44         elif engine[0] == "aiger":
  45             import sby_engine_aiger
  46             sby_engine_aiger.run("prove", task, engine_idx, engine)
  47
  48         elif engine[0] == "abc":
  49             import sby_engine_abc
  50             sby_engine_abc.run("prove", task, engine_idx, engine)
  51
  52         else:
  53             task.error(f"Invalid engine '{engine[0]}' for prove mode.")