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24 Commits

Author SHA1 Message Date
Krystine Sherwin 1248af1e02
Tests: Prefer single quotes for regex 
Replaces double quotes on problematic regex strings (mostly ones that have escape sequences that are easier to preserve in single quotes).  Necessitates also changing single quotes to `.`, i.e match any.
For some (mostly ones that only have a single escaped character, or were using `\.` to match a literal fullstop) keep the double quotes and fix the regex instead.
 2025-10-06 14:22:33 +13:00
Alberto Gonzalez c26a8d1ee0
glift: Use `qbfsat -O2` instead of manually calling `abc`. 2020-07-01 19:51:47 +00:00
Alberto Gonzalez bc207d5426
glift: Change command names to better represent their functions. 2020-07-01 19:51:46 +00:00
Alberto Gonzalez ddfb9f08e2
glift: Add `-create-imprecise` command, rename other commands, and re-work the help text. 2020-07-01 19:51:46 +00:00
Alberto Gonzalez ca3844d44e
glift: Add examples, including a number of benchmarks used in some academic works. 2020-07-01 19:51:46 +00:00
Alberto Gonzalez 0fda8308bc Add support for optimizing exists-forall problems. 
Modifies smt2 backend to recognize `$anyconst` etc. assigned to a wire with the `maximize` or `minimize` attribute and emit `; yosys-smt2-maximize` or `; yosys-smt2-minimize` directives as appropriate.
Modifies `backends/smt2/smtbmc.py` and `smtio.py` to recognize those directives and emit a `(maximize ...)` or `(minimize ...)` command at the end of `smt_forall_assert()`, as described in the paper "νZ - An Optimizing SMT Solver" by Nikolaj Bjørner et al.
Adds an example `examples/smtbmc/demo9.v` to show how it can be used.
 2020-03-13 17:10:29 +00:00
Clifford Wolf b13e6bd375 Add smtbmc support for exist-forall problems 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-02-23 19:33:30 +01:00
Clifford Wolf eb67a7532b Add $allconst and $allseq cell types 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-02-23 13:14:47 +01:00
Clifford Wolf bdc316db50 Added $anyseq cell type 2016-10-14 15:24:03 +02:00
Clifford Wolf 14bfd3c5c1 yosys-smtbmc meminit support 2016-09-08 11:16:12 +02:00
Clifford Wolf cb7dbf4070 Improvements in assertpmux 2016-09-07 12:42:16 +02:00
Clifford Wolf 068d5bc02f Made examples/smtbmc/demo1.v more interesting 2016-09-02 13:54:24 +02:00
Clifford Wolf aa25a4cec6 Added $anyconst support to yosys-smtbmc 2016-08-30 19:27:42 +02:00
Clifford Wolf b04a40d9fe Made "write_smt2 -bv -mem" default, added "write_smt2 -nobv -nomem" 2016-08-30 12:40:09 +02:00
Clifford Wolf eae390ae17 Removed $predict again 2016-08-28 21:35:33 +02:00
Clifford Wolf adcda6817e Added smtc "final" statement 2016-08-27 14:30:36 +02:00
Clifford Wolf ad56ad44c3 More yosys-smtbmc smtc features 2016-08-24 23:18:29 +02:00
Clifford Wolf ee3e7a0e45 yosys-smtbmc --smtc -g 2016-08-24 22:09:50 +02:00
Clifford Wolf 2bd30e2026 Added "yosys-smtbmc --dump-constr" 2016-08-22 16:48:46 +02:00
Clifford Wolf a93fcec93f Added examples/smtbmc/demo2.v 2016-08-20 18:44:27 +02:00
Clifford Wolf a889acb897 Added smtbmc longopt support 2016-08-20 16:07:59 +02:00
Clifford Wolf da56a5bbc6 Added $initstate support to smtbmc flow 2016-07-27 16:11:37 +02:00
Clifford Wolf d7763634b6 After reading the SV spec, using non-standard predict() instead of expect() 2016-07-21 13:34:33 +02:00
Clifford Wolf b3155af5f6 Added examples/smtbmc 2016-07-13 09:49:05 +02:00