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yosys/backends/smt2
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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
..
.gitignore Various fixes and improvements in "write_smt2 -bv" 2014-12-25 20:28:34 +01:00
example.v Added smtbmc.py 2015-10-13 17:17:23 +02:00
example.ys Added smtbmc.py 2015-10-13 17:17:23 +02:00
Makefile.inc backends: smt2: use $(CXX) variable for compiler 2019-09-08 15:47:09 +08:00
smt2.cc Add support for optimizing exists-forall problems. 2020-03-13 17:10:29 +00:00
smtbmc.py Add support for optimizing exists-forall problems. 2020-03-13 17:10:29 +00:00
smtio.py Add support for optimizing exists-forall problems. 2020-03-13 17:10:29 +00:00
test_cells.sh Various fixes and improvements in "write_smt2 -bv" 2014-12-25 20:28:34 +01:00