tests/test.sh exit code (0 → resolved); the classification below is post-hoc and cannot change it.ls && rg --files -g 'dut.sv' -g '*.sv' -g '*.v' -g '*test*' -g '*tb*'
Chunk ID: 0d92f6 Wall time: 0.0000 seconds Process exited with code 1 Original token count: 0 Output:
pwd; ls -la; find . -maxdepth 2 -type f | sort | head -100
Chunk ID: 6aff11 Wall time: 0.0001 seconds Process exited with code 0 Original token count: 25 Output: /app total 8 drwxr-xr-x 2 root root 4096 Jun 19 22:02 . drwxr-xr-x 1 root root 4096 Jun 20 16:42 ..
*** Begin Patch
*** Add File: /app/dut.sv
+module TopModule (
+ input logic clk,
+ input logic rst,
+ input logic cmd_valid,
+ input logic bit_in,
+ input logic scl_i,
+ input logic sda_i,
+ input logic [1:0] cmd,
+ output logic cmd_ack,
+ output logic busy,
+ output logic al,
+ output logic bit_out,
+ output logic scl_drive_low,
+ output logic sda_drive_low
+);
+
+ i2c_bit_controller controller (
+ .clk (clk),
+ .rst (rst),
+ .cmd_valid (cmd_valid),
+ .bit_in (bit_in),
+ .scl_i (scl_i),
+ .sda_i (sda_i),
+ .cmd (cmd),
+ .cmd_ack (cmd_ack),
+ .busy (busy),
+ .al (al),
+ .bit_out (bit_out),
+ .scl_drive_low (scl_drive_low),
+ .sda_drive_low (sda_drive_low)
+ );
+
+endmodule
+
+module i2c_bit_controller (
+ input logic clk,
+ input logic rst,
+ input logic cmd_valid,
+ input logic bit_in,
+ input logic scl_i,
+ input logic sda_i,
+ input logic [1:0] cmd,
+ output logic cmd_ack,
+ output logic busy,
+ output logic al,
+ output logic bit_out,
+ output logic scl_drive_low,
+ output logic sda_drive_low
+);
+
+ localparam logic [1:0] CMD_START = 2'd0;
+ localparam logic [1:0] CMD_STOP = 2'd1;
+ localparam logic [1:0] CMD_WRITE = 2'd2;
+ localparam logic [1:0] CMD_READ = 2'd3;
+
+ typedef enum logic [3:0] {
+ ST_IDLE,
+ ST_START_WAIT,
+ ST_START_SDA_LOW_LOAD,
+ ST_START_SDA_LOW,
+ ST_STOP_SETUP,
+ ST_STOP_RELEASE_LOAD,
+ ST_STOP_WAIT,
+ ST_STOP_DONE_LOAD,
+ ST_WRITE_SETUP,
+ ST_WRITE_RELEASE_LOAD,
+ ST_WRITE_WAIT,
+ ST_WRITE_DONE_LOAD,
+ ST_READ_SETUP,
+ ST_READ_RELEASE_LOAD,
+ ST_READ_WAIT,
+ ST_READ_DONE_LOAD
+ } state_t;
+
+ state_t state;
+ logic write_bit;
+
+ always_ff @(posedge clk) begin
+ if (rst) begin
+ state <= ST_IDLE;
+ write_bit <= 1'b0;
+ cmd_ack <= 1'b0;
+ busy <= 1'b0;
+ al <= 1'b0;
+ bit_out <= 1'b0;
+ scl_drive_low <= 1'b0;
+ sda_drive_low <= 1'b0;
+ end else begin
+ cmd_ack <= 1'b0;
+
+ unique case (state)
+ ST_IDLE: begin
+ if (cmd_valid) begin
+ unique case (cmd)
+ CMD_START: begin
+ busy <= 1'b1;
+ scl_drive_low <= 1'b0;
+ sda_drive_low <= 1'b0;
+ state <= ST_START_WAIT;
+ end
+
+ CMD_STOP: begin
+ if (busy) begin
+ scl_drive_low <= 1'b1;
+ sda_drive_low <= 1'b1;
+ state <= ST_STOP_SETUP;
+ end
+ end
+
+ CMD_WRITE: begin
+ if (busy) begin
+ write_bit <= bit_in;
+ scl_drive_low <= 1'b1;
+ sda_drive_low <= ~bit_in;
+ state <= ST_WRITE_SETUP;
+ end
+ end
+
+ CMD_READ: begin
+ if (busy) begin
+ scl_drive_low <= 1'b1;
+ sda_drive_low <= 1'b0;
+ state <= ST_READ_SETUP;
+ end
+ end
+
+ default: begin
+ state <= ST_IDLE;
+ end
+ endcase
+ end
+ end
+
+ ST_START_WAIT: begin
+ scl_drive_low <= 1'b0;
+ sda_drive_low <= 1'b0;
+ if (scl_i) begin
+ if (!sda_i) begin
+ al <= 1'b1;
+ end
+ state <= ST_START_SDA_LOW_LOAD;
+ end
+ end
+
+ ST_START_SDA_LOW_LOAD: begin
+ if (scl_i && !sda_i) begin
+ al <= 1'b1;
+ end
+ scl_drive_low <= 1'b0;
+ sda_drive_low <= 1'b1;
+ state <= ST_START_SDA_LOW;
+ end
+
+ ST_START_SDA_LOW: begin
+ scl_drive_low <= 1'b1;
+ sda_drive_low <= 1'b1;
+ cmd_ack <= 1'b1;
+ state <= ST_IDLE;
+ end
+
+ ST_STOP_SETUP: begin
+ scl_drive_low <= 1'b1;
+ sda_drive_low <= 1'b1;
+ state <= ST_STOP_RELEASE_LOAD;
+ end
+
+ ST_STOP_RELEASE_LOAD: begin
+ scl_drive_low <= 1'b0;
+ sda_drive_low <= 1'b1;
+ state <= ST_STOP_WAIT;
+ end
+
+ ST_STOP_WAIT: begin
+ scl_drive_low <= 1'b0;
+ sda_drive_low <= 1'b1;
+ if (scl_i) begin
+ state <= ST_STOP_DONE_LOAD;
+ end
+ end
+
+ ST_STOP_DONE_LOAD: begin
+ scl_drive_low <= 1'b0;
+ sda_drive_low <= 1'b0;
+ busy <= 1'b0;
+ cmd_ack <= 1'b1;
+ state <= ST_IDLE;
+ end
+
+ ST_WRITE_SETUP: begin
+ scl_drive_low <= 1'b1;
+ sda_drive_low <= ~write_bit;
+ state <= ST_WRITE_RELEASE_LOAD;
+ end
+
+ ST_WRITE_RELEASE_LOAD: begin
+ scl_drive_low <= 1'b0;
+ sda_drive_low <= ~write_bit;
+ state <= ST_WRITE_WAIT;
+ end
+
+ ST_WRITE_WAIT: begin
+ scl_drive_low <= 1'b0;
+ sda_drive_low <= ~write_bit;
+ if (scl_i) begin
+ if (write_bit && !sda_i) begin
+ al <= 1'b1;
+ end
+ state <= ST_WRITE_DONE_LOAD;
+ end
+ end
+
+ ST_WRITE_DONE_LOAD: begin
+ if (write_bit && scl_i && !sda_i) begin
+ al <= 1'b1;
+ end
+ scl_drive_low <= 1'b1;
+ sda_drive_low <= ~write_bit;
+ cmd_ack <= 1'b1;
+ state <= ST_IDLE;
+ end
+
+ ST_READ_SETUP: begin
+ scl_drive_low <= 1'b1;
+ sda_drive_low <= 1'b0;
+ state <= ST_READ_RELEASE_LOAD;
+ end
+
+ ST_READ_RELEASE_LOAD: begin
+ scl_drive_low <= 1'b0;
+ sda_drive_low <= 1'b0;
+ state <= ST_READ_WAIT;
+ end
+
+ ST_READ_WAIT: begin
+ scl_drive_low <= 1'b0;
+ sda_drive_low <= 1'b0;
+ if (scl_i) begin
+ bit_out <= sda_i;
+ state <= ST_READ_DONE_LOAD;
+ end
+ end
+
+ ST_READ_DONE_LOAD: begin
+ scl_drive_low <= 1'b1;
+ sda_drive_low <= 1'b0;
+ cmd_ack <= 1'b1;
+ state <= ST_IDLE;
+ end
+
+ default: begin
+ state <= ST_IDLE;
+ end
+ endcase
+ end
+ end
+
+endmodule
*** End Patch
Exit code: 0
Wall time: 0 seconds
Output:
Success. Updated the following files:
A /app/dut.sv
command -v verilator || true
Chunk ID: 60d76f Wall time: 0.0000 seconds Process exited with code 0 Original token count: 0 Output:
command -v iverilog || true
Chunk ID: 3f58ae Wall time: 0.0000 seconds Process exited with code 0 Original token count: 5 Output: /usr/bin/iverilog
sed -n '1,260p' /app/dut.sv
Chunk ID: a87f31
Wall time: 0.0000 seconds
Process exited with code 0
Original token count: 2074
Output:
module TopModule (
input logic clk,
input logic rst,
input logic cmd_valid,
input logic bit_in,
input logic scl_i,
input logic sda_i,
input logic [1:0] cmd,
output logic cmd_ack,
output logic busy,
output logic al,
output logic bit_out,
output logic scl_drive_low,
output logic sda_drive_low
);
i2c_bit_controller controller (
.clk (clk),
.rst (rst),
.cmd_valid (cmd_valid),
.bit_in (bit_in),
.scl_i (scl_i),
.sda_i (sda_i),
.cmd (cmd),
.cmd_ack (cmd_ack),
.busy (busy),
.al (al),
.bit_out (bit_out),
.scl_drive_low (scl_drive_low),
.sda_drive_low (sda_drive_low)
);
endmodule
module i2c_bit_controller (
input logic clk,
input logic rst,
input logic cmd_valid,
input logic bit_in,
input logic scl_i,
input logic sda_i,
input logic [1:0] cmd,
output logic cmd_ack,
output logic busy,
output logic al,
output logic bit_out,
output logic scl_drive_low,
output logic sda_drive_low
);
localparam logic [1:0] CMD_START = 2'd0;
localparam logic [1:0] CMD_STOP = 2'd1;
localparam logic [1:0] CMD_WRITE = 2'd2;
localparam logic [1:0] CMD_READ = 2'd3;
typedef enum logic [3:0] {
ST_IDLE,
ST_START_WAIT,
ST_START_SDA_LOW_LOAD,
ST_START_SDA_LOW,
ST_STOP_SETUP,
ST_STOP_RELEASE_LOAD,
ST_STOP_WAIT,
ST_STOP_DONE_LOAD,
ST_WRITE_SETUP,
ST_WRITE_RELEASE_LOAD,
ST_WRITE_WAIT,
ST_WRITE_DONE_LOAD,
ST_READ_SETUP,
ST_READ_RELEASE_LOAD,
ST_READ_WAIT,
ST_READ_DONE_LOAD
} state_t;
state_t state;
logic write_bit;
always_ff @(posedge clk) begin
if (rst) begin
state <= ST_IDLE;
write_bit <= 1'b0;
cmd_ack <= 1'b0;
busy <= 1'b0;
al <= 1'b0;
bit_out <= 1'b0;
scl_drive_low <= 1'b0;
sda_drive_low <= 1'b0;
end else begin
cmd_ack <= 1'b0;
unique case (state)
ST_IDLE: begin
if (cmd_valid) begin
unique case (cmd)
CMD_START: begin
busy <= 1'b1;
scl_drive_low <= 1'b0;
sda_drive_low <= 1'b0;
state <= ST_START_WAIT;
end
CMD_STOP: begin
if (busy) begin
scl_drive_low <= 1'b1;
sda_drive_low <= 1'b1;
state <= ST_STOP_SETUP;
end
end
CMD_WRITE: begin
if (busy) begin
write_bit <= bit_in;
scl_drive_low <= 1'b1;
sda_drive_low <= ~bit_in;
state <= ST_WRITE_SETUP;
end
end
CMD_READ: begin
if (busy) begin
scl_drive_low <= 1'b1;
sda_drive_low <= 1'b0;
state <= ST_READ_SETUP;
end
end
default: begin
state <= ST_IDLE;
end
endcase
end
end
ST_START_WAIT: begin
scl_drive_low <= 1'b0;
sda_drive_low <= 1'b0;
if (scl_i) begin
if (!sda_i) begin
al <= 1'b1;
end
state <= ST_START_SDA_LOW_LOAD;
end
end
ST_START_SDA_LOW_LOAD: begin
if (scl_i && !sda_i) begin
al <= 1'b1;
end
scl_drive_low <= 1'b0;
sda_drive_low <= 1'b1;
state <= ST_START_SDA_LOW;
end
ST_START_SDA_LOW: begin
scl_drive_low <= 1'b1;
sda_drive_low <= 1'b1;
cmd_ack <= 1'b1;
state <= ST_IDLE;
end
ST_STOP_SETUP: begin
scl_drive_low <= 1'b1;
sda_drive_low <= 1'b1;
state <= ST_STOP_RELEASE_LOAD;
end
ST_STOP_RELEASE_LOAD: begin
scl_drive_low <= 1'b0;
sda_drive_low <= 1'b1;
state <= ST_STOP_WAIT;
end
ST_STOP_WAIT: begin
scl_drive_low <= 1'b0;
sda_drive_low <= 1'b1;
if (scl_i) begin
state <= ST_STOP_DONE_LOAD;
end
end
ST_STOP_DONE_LOAD: begin
scl_drive_low <= 1'b0;
sda_drive_low <= 1'b0;
busy <= 1'b0;
cmd_ack <= 1'b1;
state <= ST_IDLE;
end
ST_WRITE_SETUP: begin
scl_drive_low <= 1'b1;
sda_drive_low <= ~write_bit;
state <= ST_WRITE_RELEASE_LOAD;
end
ST_WRITE_RELEASE_LOAD: begin
scl_drive_low <= 1'b0;
sda_drive_low <= ~write_bit;
state <= ST_WRITE_WAIT;
end
ST_WRITE_WAIT: begin
scl_drive_low <= 1'b0;
sda_drive_low <= ~write_bit;
if (scl_i) begin
if (write_bit && !sda_i) begin
al <= 1'b1;
end
state <= ST_WRITE_DONE_LOAD;
end
end
ST_WRITE_DONE_LOAD: begin
if (write_bit && scl_i && !sda_i) begin
al <= 1'b1;
end
scl_drive_low <= 1'b1;
sda_drive_low <= ~write_bit;
cmd_ack <= 1'b1;
state <= ST_IDLE;
end
ST_READ_SETUP: begin
scl_drive_low <= 1'b1;
sda_drive_low <= 1'b0;
state <= ST_READ_RELEASE_LOAD;
end
ST_READ_RELEASE_LOAD: begin
scl_drive_low <= 1'b0;
sda_drive_low <= 1'b0;
state <= ST_READ_WAIT;
end
ST_READ_WAIT: begin
scl_drive_low <= 1'b0;
sda_drive_low <= 1'b0;
if (scl_i) begin
bit_out <= sda_i;
state <= ST_READ_DONE_LOAD;
end
end
ST_READ_DONE_LOAD: begin
scl_drive_low <= 1'b1;
sda_drive_low <= 1'b0;
cmd_ack <= 1'b1;
state <= ST_IDLE;
end
default: begin
state <= ST_IDLE;
end
endcase
end
end
endmodule
iverilog -g2012 -Wall -tnull /app/dut.sv
Chunk ID: 171f00 Wall time: 0.0000 seconds Process exited with code 0 Original token count: 0 Output:
No file changes, the agent left the workspace untouched.
MISMATCH_COUNTS cmd_ack=0 busy=0 al=116 bit_out=0 scl=0 sda=0 __CHIPBENCH_MISMATCH_SUMMARY__: mismatches=116 samples=2351
Reproduce this trial: git checkout 2f94510 && PYTHONPATH=src python3 scripts/build_site.py , then open trial/trial_cefe932f03244976. Re-running the agent live requires EVAL_PLATFORM_ENABLE_OAUTH_SMOKE=1 and is non-deterministic.
Trial trial_cefe932f03244976 · verifier authoritative; classifier explanatory.