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sim: Improvements and fixes for yw cosim

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* Fixed $cover handling
  * Improved sparse memory handling when writing traces
  * JSON summary output
This commit is contained in:
Jannis Harder 2023-01-10 17:04:06 +01:00
parent 636b9f2705
commit 7ddec5093f
6 changed files with 152 additions and 50 deletions
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67
backends/smt2/witness.py
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@ -316,6 +316,7 @@ def wit2yw(input, mapfile, output):
if current_t > t:
t = current_t
values = WitnessValues()
array_inits = set()
frames.append(values)
line = next(input, None)
@ -327,39 +328,63 @@ def wit2yw(input, mapfile, output):
line = next(input, None)
btor_sig = btor_map.data[mode][int(tokens[0])]
btor_sigs = [btor_sig]
if btor_sig is None:
continue
if isinstance(btor_sig, dict):
addr = tokens[1]
if not addr.startswith('[') or not addr.endswith(']'):
if not addr.startswith('['):
addr = '[*]'
value = tokens[1]
else:
value = tokens[2]
if not addr.endswith(']'):
raise click.ClickException(f"{input_name}: expected address in BTOR witness file")
addr = int(addr[1:-1], 2)
path = btor_sig["path"]
width = btor_sig["width"]
size = btor_sig["size"]
if addr == '[*]':
btor_sigs = [
[{
"path": (*path, f"\\[{addr}]"),
"width": width,
"offset": 0,
}]
for addr in range(size)
if (path, addr) not in array_inits
]
array_inits.update((path, addr) for addr in range(size))
else:
addr = int(addr[1:-1], 2)
if addr < 0 or addr >= btor_sig["size"]:
raise click.ClickException(f"{input_name}: out of bounds address in BTOR witness file")
if addr < 0 or addr >= size:
raise click.ClickException(f"{input_name}: out of bounds address in BTOR witness file")
btor_sig = [{
"path": (*btor_sig["path"], f"\\[{addr}]"),
"width": btor_sig["width"],
"offset": 0,
}]
signal_value = iter(reversed(tokens[2]))
array_inits.add((path, addr))
btor_sig = [{
"path": (*path, f"\\[{addr}]"),
"width": width,
"offset": 0,
}]
btor_sigs = [btor_sig]
else:
signal_value = iter(reversed(tokens[1]))
value = tokens[1]
for chunk in btor_sig:
offset = chunk["offset"]
path = chunk["path"]
for i in range(offset, offset + chunk["width"]):
key = (path, i)
bits[key] = mode == "inputs"
values[key] = next(signal_value)
for btor_sig in btor_sigs:
value_bits = iter(reversed(value))
if next(signal_value, None) is not None:
raise click.ClickException(f"{input_name}: excess bits in BTOR witness file")
for chunk in btor_sig:
offset = chunk["offset"]
path = chunk["path"]
for i in range(offset, offset + chunk["width"]):
key = (path, i)
bits[key] = mode == "inputs"
values[key] = next(value_bits)
if next(value_bits, None) is not None:
raise click.ClickException(f"{input_name}: excess bits in BTOR witness file")
if line is None: