Add aiger engine

2025-10-31 04:52:30 +00:00 · 2017-02-19 23:53:01 +01:00 · 2017-02-19 23:53:01 +01:00 · b5be4a5759
commit b5be4a5759
parent 404f8de16d
9 changed files with 153 additions and 15 deletions
--- a/sbysrc/sby_engine_aiger.py
+++ b/sbysrc/sby_engine_aiger.py
@ -0,0 +1,107 @@
+#
+# SymbiYosys (sby) -- Front-end for Yosys-based formal verification flows
+#
+# Copyright (C) 2016  Clifford Wolf <clifford@clifford.at>
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#
+
+import re, os, getopt
+from sby_core import SbyTask
+
+def run(mode, job, engine_idx, engine):
+    opts, solver_args = getopt.getopt(engine[1:], "", [])
+    assert len(solver_args) > 0
+
+    for o, a in opts:
+        assert False
+
+    if solver_args[0] == "suprove":
+        solver_cmd = " ".join([job.exe_paths["suprove"]] + solver_args[1:])
+
+    elif solver_args[0] == "avy":
+        solver_cmd = " ".join([job.exe_paths["avy"], "--cex", "-"] + solver_args[1:])
+
+    else:
+        assert False
+
+    task = SbyTask(job, "engine_%d" % engine_idx, job.model("aig"),
+            "cd %s; %s model/design_aiger.aig" % (job.workdir, solver_cmd),
+            logfile=open("%s/engine_%d/logfile.txt" % (job.workdir, engine_idx), "w"))
+
+    task_status = None
+    aiw_file = open("%s/engine_%d/trace.aiw" % (job.workdir, engine_idx), "w")
+
+    def output_callback(line):
+        nonlocal task_status
+
+        if task_status is not None:
+            print(line, file=aiw_file)
+            return None
+
+        if line.startswith("u"):
+            return "No CEX up to depth %d." % (int(line[1:])-1)
+
+        if line in ["0", "1", "2"]:
+            print(line, file=aiw_file)
+            if line == "0": task_status = "PASS"
+            if line == "1": task_status = "FAIL"
+            if line == "2": task_status = "UNKNOWN"
+
+        return None
+
+    def exit_callback(retcode):
+        if solver_args[0] not in ["avy"]:
+            assert retcode == 0
+        assert task_status is not None
+
+        aiw_file.close()
+
+        job.update_status(task_status)
+        job.log("engine_%d: Status returned by engine: %s" % (engine_idx, task_status))
+        job.summary.append("engine_%d (%s) returned %s" % (engine_idx, " ".join(engine), task_status))
+
+        job.terminate()
+
+        if task_status == "FAIL":
+            task2 = SbyTask(job, "engine_%d" % engine_idx, job.model("smt2"),
+                    ("cd %s; %s --noprogress --dump-vcd engine_%d/trace.vcd --dump-vlogtb engine_%d/trace_tb.v " +
+                     "--dump-smtc engine_%d/trace.smtc --aig model/design_aiger.aim:engine_%d/trace.aiw model/design_smt2.smt2") %
+                            (job.workdir, job.exe_paths["smtbmc"], engine_idx, engine_idx, engine_idx, engine_idx),
+                    logfile=open("%s/engine_%d/logfile2.txt" % (job.workdir, engine_idx), "w"))
+
+            task2_status = None
+
+            def output_callback2(line):
+                nonlocal task2_status
+
+                match = re.match(r"^## [0-9: ]+ Status: FAILED", line)
+                if match: task2_status = "FAIL"
+
+                match = re.match(r"^## [0-9: ]+ Status: PASSED", line)
+                if match: task2_status = "PASS"
+
+                return line
+
+            def exit_callback2(line):
+                assert task2_status is not None
+                assert task2_status == "FAIL"
+
+                job.summary.append("counterexample trace: %s/engine_%d/trace.vcd" % (job.workdir, engine_idx))
+
+            task2.output_callback = output_callback2
+            task2.exit_callback = exit_callback2
+
+    task.output_callback = output_callback
+    task.exit_callback = exit_callback
+