tests/test.sh exit code (0 → resolved); the classification below is post-hoc and cannot change it.module TopModule (
input logic clk,
input logic rst,
input logic start_i,
input logic [3:0] count_i,
input logic [7:0] waddr_i,
input logic [31:0] wseed_i,
input logic susp_req_i,
input logic resume_i,
output logic busy_o,
output logic done_o,
output logic susp_active_o,
output logic susp_ack_o,
output logic [4:0] committed_o,
output logic [7:0] cur_addr_o,
output logic [31:0] cur_data_o
);
// States
localparam logic [1:0] S_IDLE = 2'd0; // idle, waiting for start
localparam logic [1:0] S_ACT = 2'd1; // window open, counting cycles
localparam logic [1:0] S_SUSP = 2'd2; // suspended, parked before next word
localparam logic [1:0] S_REARM = 2'd3; // one re-arm cycle after resume
logic [1:0] state;
logic [1:0] cyc; // cycle within the current 3-cycle window (1..3)
logic [4:0] word_idx; // current word index k
logic [3:0] count_lat; // latched count_i (total words = count_lat+1)
logic [7:0] addr_lat; // latched base address
logic [31:0] seed_lat; // latched seed
logic pending; // pending suspend request
always @(posedge clk) begin
if (rst) begin
state <= S_IDLE;
cyc <= 2'd0;
word_idx <= 5'd0;
count_lat <= 4'd0;
addr_lat <= 8'd0;
seed_lat <= 32'd0;
pending <= 1'b0;
busy_o <= 1'b0;
done_o <= 1'b0;
susp_active_o <= 1'b0;
susp_ack_o <= 1'b0;
committed_o <= 5'd0;
cur_addr_o <= 8'd0;
cur_data_o <= 32'd0;
end else begin
// Single-cycle pulses default low
done_o <= 1'b0;
susp_ack_o <= 1'b0;
case (state)
// ----------------------------------------------------------
S_IDLE: begin
// Suspend/resume ignored while idle.
if (start_i) begin
count_lat <= count_i;
addr_lat <= waddr_i;
seed_lat <= wseed_i;
word_idx <= 5'd0;
cyc <= 2'd1; // first window opens
busy_o <= 1'b1;
committed_o <= 5'd0;
cur_addr_o <= waddr_i; // word 0 address
cur_data_o <= wseed_i ^ 32'd1; // word 0 data (k+1=1)
pending <= 1'b0;
state <= S_ACT;
end
end
// ----------------------------------------------------------
S_ACT: begin
// Sample suspend request while actively programming
// (including on the closing edge).
if (susp_req_i)
pending <= 1'b1;
if (cyc == 2'd3) begin
// Closing edge: always commit the word.
committed_o <= committed_o + 5'd1;
if (word_idx == {1'b0, count_lat}) begin
// Final close: pulse done, drop busy, park nothing.
done_o <= 1'b1;
busy_o <= 1'b0;
cur_addr_o <= 8'd0;
cur_data_o <= 32'd0;
cyc <= 2'd0;
pending <= 1'b0; // discard pending
state <= S_IDLE;
end else if (pending || susp_req_i) begin
// Non-final close with suspend: commit then park.
susp_active_o <= 1'b1;
susp_ack_o <= 1'b1;
cur_addr_o <= 8'd0;
cur_data_o <= 32'd0;
word_idx <= word_idx + 5'd1; // park before next
cyc <= 2'd0;
pending <= 1'b0;
state <= S_SUSP;
end else begin
// Non-final close: open the next word on this edge.
word_idx <= word_idx + 5'd1;
cyc <= 2'd1;
cur_addr_o <= addr_lat + word_idx + 8'd1;
cur_data_o <= seed_lat ^ (word_idx + 32'd2);
state <= S_ACT;
end
end else begin
cyc <= cyc + 2'd1;
end
end
// ----------------------------------------------------------
S_SUSP: begin
// Start and suspend requests ignored while suspended.
if (resume_i) begin
susp_active_o <= 1'b0;
pending <= 1'b0;
// Address/data stay zero, busy stays high for one
// re-arm cycle; parked word opens on the next edge.
state <= S_REARM;
end
end
// ----------------------------------------------------------
S_REARM: begin
// Open the parked word with a full three-cycle window.
cyc <= 2'd1;
cur_addr_o <= addr_lat + word_idx;
cur_data_o <= seed_lat ^ (word_idx + 32'd1);
state <= S_ACT;
end
// ----------------------------------------------------------
default: state <= S_IDLE;
endcase
end
end
endmodule
Compile-check the SystemVerilog
(iverilog -g2012 -o /tmp/dut.out dut.sv 2>&1 && echo "COMPILE OK") || echo "iverilog not available or error"
COMPILE OK [stdout] COMPILE OK
No file changes, the agent left the workspace untouched.
TEST dut_present: PASS (/app/dut.sv exists) TEST dut_forbidden: PASS (no forbidden constructs) TEST harness_prepare: PASS (harness names nonce-renamed) TEST dut_compiles: PASS (compiled with held-back reference/testbench) TEST simulation_completed: PASS (Mismatches: 0 in 3710 samples) TEST reference_equivalence: PASS (all 3710 samples matched reference)
Reproduce this trial: git checkout 2f94510 && PYTHONPATH=src python3 scripts/build_site.py , then open trial/trial_93e6058cc2344bc8. Re-running the agent live requires EVAL_PLATFORM_ENABLE_OAUTH_SMOKE=1 and is non-deterministic.
Trial trial_93e6058cc2344bc8 · verifier authoritative; classifier explanatory.