╔══════════════════════════════════════════╗
║          Zyphar Flow v1.0.0              ║
║    Complete RTL-to-GDSII Toolchain       ║
╚══════════════════════════════════════════╝

Configuration:
  Input:     /tmp/github_designs/aes/aes_combined.v
  Top:       aes
  PDK:       Sky130
  Frequency: 100 MHz
  Clock:     clk
  Output:    /tmp/datagen_output/aes_sky130_100mhz/flow

Starting flow...

=== Step 1/3: Synthesis ===
Synthesis complete: 18440 cells, 0.00 um^2
  Wires: 15109, Modules: 7
  Netlist: /tmp/zyphar_netlist_2107744.v
  Duration: 15.3s

--- CDC Analysis ---
  No clock domain crossings detected

--- Native Re-Optimization ---
  Skipped (no Liberty file provided, use --liberty)

=== Step 2/3: Place and Route ===
  Input netlist: /tmp/zyphar_netlist_2107744.v
  PDK: Sky130, Freq: 100 MHz, Clock: clk
  Utilization: 15%, Aspect ratio: 1.0, Placement density: 0.30 (user-specified)
  PDN: false, Detailed route: true, Fillers: true, Antenna: true
PnR complete: 155344 instances, 0.21 utilization
  DEF: /tmp/zyphar_pnr_2107744.def
  WNS: 1.430 ns
  Duration: 1369.9s

--- Multi-Corner STA ---
  Using post-PnR netlist with SPEF back-annotation
  ff_n40C_1v95 (fast)  WNS: NaN ns  TNS: NaN ns  [VIOLATED]
  tt_025C_1v80 (typical) WNS: NaN ns  TNS: NaN ns  [VIOLATED]
  ss_n40C_1v40 (slow)  WNS: NaN ns  TNS: NaN ns  [VIOLATED]

--- Power Analysis ---
  Power analysis skipped: No Liberty file available (use --liberty or set SKY130_LIBERTY)

=== Step 3/3: GDS Generation ===
GDS generation complete: /tmp/datagen_output/aes_sky130_100mhz/flow/aes.gds

=== Signoff Checks ===

--- DRC ---
  DRC: 356 violations

--- LVS ---
  LVS: CLEAN

═══════════════════════════════════════════
                  RESULTS                  
═══════════════════════════════════════════

Synthesis:
  Cells:     18440
  Netlist:   /tmp/datagen_output/aes_sky130_100mhz/flow/netlist.v

Place & Route:
  DEF:       /tmp/datagen_output/aes_sky130_100mhz/flow/output.def
  WNS:       1.430 ns
  Util:      21.0%
  Instances: 155344
  Area:      234253.00 um^2

GDSII:       /tmp/datagen_output/aes_sky130_100mhz/flow/aes.gds

Multi-Corner STA:
  ff_n40C_1v95 (fast)  WNS: NaN ns  TNS: NaN ns  [VIOLATED]
  tt_025C_1v80 (typical) WNS: NaN ns  TNS: NaN ns  [VIOLATED]
  ss_n40C_1v40 (slow)  WNS: NaN ns  TNS: NaN ns  [VIOLATED]

SPEF:        /tmp/datagen_output/aes_sky130_100mhz/flow/aes.spef

Duration:    1783.94s

Signoff:
  Timing:         MET
  WNS:            1.430 ns
  DRC:            356 violations
  DRC report:     /tmp/datagen_output/aes_sky130_100mhz/flow/drc_report.rpt
  LVS:            CLEAN
  LVS report:     /tmp/datagen_output/aes_sky130_100mhz/flow/lvs_report.lyrdb

  SIGNOFF: FAIL
    - DRC violations

Flow completed successfully!