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| author | Clifford Wolf <clifford@clifford.at> | 2018-02-23 19:33:30 +0100 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2018-02-23 19:33:30 +0100 |
| commit | b13e6bd375dc19fc2d6a3e67cdc6c045da732200 (patch) | |
| tree | 30ec1719eadc3d0a991e0b94e54a3c1a623c66d9 /examples/smtbmc | |
| parent | eb67a7532bf1d8195216257a2d6d301c03980591 (diff) | |
| download | yosys-b13e6bd375dc19fc2d6a3e67cdc6c045da732200.tar.gz yosys-b13e6bd375dc19fc2d6a3e67cdc6c045da732200.tar.bz2 yosys-b13e6bd375dc19fc2d6a3e67cdc6c045da732200.zip | |
Add smtbmc support for exist-forall problems
Signed-off-by: Clifford Wolf <clifford@clifford.at>
Diffstat (limited to 'examples/smtbmc')
| -rw-r--r-- | examples/smtbmc/.gitignore | 2 | ||||
| -rw-r--r-- | examples/smtbmc/Makefile | 11 | ||||
| -rw-r--r-- | examples/smtbmc/demo8.v | 12 |
3 files changed, 23 insertions, 2 deletions
diff --git a/examples/smtbmc/.gitignore b/examples/smtbmc/.gitignore index a3f4f0f24..278f5ebf7 100644 --- a/examples/smtbmc/.gitignore +++ b/examples/smtbmc/.gitignore @@ -20,3 +20,5 @@ demo6.smt2 demo6.yslog demo7.smt2 demo7.yslog +demo8.smt2 +demo8.yslog diff --git a/examples/smtbmc/Makefile b/examples/smtbmc/Makefile index 2f7060bda..96fa058d6 100644 --- a/examples/smtbmc/Makefile +++ b/examples/smtbmc/Makefile @@ -1,5 +1,5 @@ -all: demo1 demo2 demo3 demo4 demo5 demo6 demo7 +all: demo1 demo2 demo3 demo4 demo5 demo6 demo7 demo8 demo1: demo1.smt2 yosys-smtbmc --dump-vcd demo1.vcd demo1.smt2 @@ -25,6 +25,9 @@ demo6: demo6.smt2 demo7: demo7.smt2 yosys-smtbmc -t 10 demo7.smt2 +demo8: demo8.smt2 + yosys-smtbmc -s z3 -t 1 -g demo8.smt2 + demo1.smt2: demo1.v yosys -ql demo1.yslog -p 'read_verilog -formal demo1.v; prep -top demo1 -nordff; write_smt2 -wires demo1.smt2' @@ -46,6 +49,9 @@ demo6.smt2: demo6.v demo7.smt2: demo7.v yosys -ql demo7.yslog -p 'read_verilog -formal demo7.v; prep -top demo7 -nordff; write_smt2 -wires demo7.smt2' +demo8.smt2: demo8.v + yosys -ql demo8.yslog -p 'read_verilog -formal demo8.v; prep -top demo8 -nordff; write_smt2 -stbv -wires demo8.smt2' + clean: rm -f demo1.yslog demo1.smt2 demo1.vcd rm -f demo2.yslog demo2.smt2 demo2.vcd demo2.smtc demo2_tb.v demo2_tb demo2_tb.vcd @@ -54,6 +60,7 @@ clean: rm -f demo5.yslog demo5.smt2 demo5.vcd rm -f demo6.yslog demo6.smt2 rm -f demo7.yslog demo7.smt2 + rm -f demo8.yslog demo8.smt2 -.PHONY: demo1 demo2 demo3 demo4 demo5 demo6 demo7 clean +.PHONY: demo1 demo2 demo3 demo4 demo5 demo6 demo7 demo8 clean diff --git a/examples/smtbmc/demo8.v b/examples/smtbmc/demo8.v new file mode 100644 index 000000000..c4c396cde --- /dev/null +++ b/examples/smtbmc/demo8.v @@ -0,0 +1,12 @@ +// Simple exists-forall demo + +module demo8; + wire [7:0] prime = $anyconst; + wire [3:0] factor = $allconst; + + always @* begin + if (1 < factor && factor < prime) + assume((prime % factor) != 0); + assume(prime > 1); + end +endmodule |