[ERROR DPL-0033] detailed placement checks failed.

[SudeepGopavaram]

My flow is getting stopped here with the following error and I am not able to debug it

OpenROAD 8229a95b89b7f33589cfbf366bc11fe467f0d552 

This program is licensed under the BSD-3 license. See the LICENSE file for details.

Components of this program may be licensed under more restrictive licenses which must be honored.

Placement Analysis

---------------------------------

total displacement       2616.0 u

average displacement        1.6 u

max displacement           17.6 u

original HPWL           42427.6 u

legalized HPWL          44381.7 u

delta HPWL                    5 %



Detailed placement improvement.

Importing netlist into detailed improver.

[INFO DPO-0100] Creating network with 1618 cells, 423 terminals, 1052 edges and 2535 pins.

[INFO DPO-0109] Network stats: inst 2041, edges 1052, pins 2535

[INFO DPO-0110] Number of regions is 1

[INFO DPO-0401] Setting random seed to 1.

[INFO DPO-0402] Setting maximum displacement 5 1 to 13600 2720 units.

[INFO DPO-0320] Collected 1258 fixed cells (excluded terminal_NI).

[INFO DPO-0318] Collected 783 single height cells.

[INFO DPO-0321] Collected 0 wide cells.

[INFO DPO-0322] Image (0, 0) - (149500, 448800)

[INFO DPO-0310] Assigned 783 cells into segments.  Movement in X-direction is 51980.000000, movement in Y-direction is 0.000000.

[WARNING DPO-0200] Unexpected displacement during legalization.

[INFO DPO-0313] Found 0 cells in wrong regions.

[INFO DPO-0315] Found 0 row alignment problems.

[INFO DPO-0314] Found 239 site alignment problems.

[INFO DPO-0311] Found 124 overlaps between adjacent cells.

[INFO DPO-0312] Found 28 edge spacing violations and 28 padding violations.

[WARNING DPO-0201] Placement check failure during legalization.

[INFO DPO-0303] Running algorithm for independent set matching.

[INFO DPO-0300] Set matching objective is wirelength.

[INFO DPO-0301] Pass   1 of matching; objective is 4.460200e+07.

[INFO DPO-0302] End of matching; objective is 4.423610e+07, improvement is 0.82 percent.

[INFO DPO-0303] Running algorithm for global swaps.

[INFO DPO-0306] Pass   1 of global swaps; hpwl is 4.384007e+07.

[INFO DPO-0307] End of global swaps; objective is 4.384007e+07, improvement is 0.90 percent.

[INFO DPO-0303] Running algorithm for vertical swaps.

[INFO DPO-0308] Pass   1 of vertical swaps; hpwl is 4.376755e+07.

[INFO DPO-0309] End of vertical swaps; objective is 4.376755e+07, improvement is 0.17 percent.

[INFO DPO-0303] Running algorithm for reordering.

[INFO DPO-0304] Pass   1 of reordering; objective is 4.365917e+07.

[INFO DPO-0305] End of reordering; objective is 4.365917e+07, improvement is 0.25 percent.

[INFO DPO-0303] Running algorithm for random improvement.

[INFO DPO-0324] Random improver is using displacement generator.

[INFO DPO-0325] Random improver is using hpwl objective.

[INFO DPO-0326] Random improver cost string is (a).

[INFO DPO-0332] End of pass, Generator displacement called 15660 times.

[INFO DPO-0335] Generator displacement, Cumulative attempts 15660, swaps 2057, moves  3358 since last reset.

[INFO DPO-0333] End of pass, Objective hpwl, Initial cost 4.365917e+07, Scratch cost 4.323868e+07, Incremental cost 4.323868e+07, Mismatch? N

[INFO DPO-0338] End of pass, Total cost is 4.323868e+07.

[INFO DPO-0327] Pass   1 of random improver; improvement in cost is 0.96 percent.

[INFO DPO-0328] End of random improver; improvement is 0.963121 percent.

[INFO DPO-0380] Cell flipping.

[INFO DPO-0382] Changed 394 cell orientations for row compatibility.

[INFO DPO-0383] Performed 221 cell flips.

[INFO DPO-0384] End of flipping; objective is 4.290124e+07, improvement is 0.78 percent.

[INFO DPO-0313] Found 0 cells in wrong regions.

[INFO DPO-0315] Found 0 row alignment problems.

[INFO DPO-0314] Found 83 site alignment problems.

[INFO DPO-0311] Found 42 overlaps between adjacent cells.

[INFO DPO-0312] Found 7 edge spacing violations and 7 padding violations.

Detailed Improvement Results

------------------------------------------

Original HPWL            44381.7 u

Final HPWL               42758.1 u

Delta HPWL                  -3.7 %



[INFO DPL-0020] Mirrored 34 instances

[INFO DPL-0021] HPWL before           42758.1 u

[INFO DPL-0022] HPWL after            42744.6 u

[INFO DPL-0023] HPWL delta               -0.0 %

[WARNING DPL-0005] Overlap check failed (7).

 _573_ overlaps _270_

 _612_ overlaps _592_

 output283 overlaps _581_

 output287 overlaps output269

 output296 overlaps _602_

 output330 overlaps _644_

 _554__394 overlaps _598_

[WARNING DPL-0006] Site aligned check failed (83).

 _252_

 _253_

 _254_

 _260_

 _293_

 _511_

 _551_

 _555_

 _557_

 _559_

 _561_

 _562_

 _565_

 _570_

 _573_

 _576_

 _577_

 _578_

 _582_

 _594_

 _595_

 _596_

 _597_

 _598_

 _605_

 _612_

 _617_

 _618_

 _627_

 _630_

 _632_

 _636_

 _646_

 _647_

 input2

 input3

 input19

 input42

 input48

 input50

 input53

 input58

 input60

 input67

 input80

 input84

 input87

 input90

 input96

 input100

 input255

 output268

 output270

 output276

 output283

 output284

 output287

 output288

 output291

 output293

 output294

 output296

 output297

 output299

 output307

 output311

 output312

 output313

 output321

 output324

 output326

 output330

 output346

 output349

 mem_decode_389

 _555__395

 _558__398

 _568__408

 _573__413

 _575__415

 _576__416

 _577__417

 _578__418

[ERROR DPL-0033] detailed placement checks failed.

Error: detail_place.tcl, 30 DPL-0033

Command exited with non-zero status 1

Elapsed time: 0:00.69[h:]min:sec. CPU time: user 0.58 sys 0.09 (97%). Peak memory: 110628KB.

[maliberty]

This is better filed as an issue with a test case. You can look at the layout and see if you can determine a reason for the overlaps.