---
name: "papilo"
section: "1"
platform: "linux"
package: "papilo"
version: "2.4.1+ds-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/papilo"
---

# papilo(1)

presolver for linear programming problems

## NAME

papilo - presolver for linear programming problems

## SYNOPSIS

**papilo** **presolve** \[***options***\]

**papilo** **solve** \[***options***\]

**papilo** **postsolve** \[***options***\]

## PRESOLVE OPTIONS

- **-f** ***FILE***, **--file=***FILE*

  instance file

- **-a** ***TYPE***, **--arithmetic-type=***TYPE*

  "d" for double precision, "q" for quad precision, and "r" for exact rational arithmetic

- **-v** ***FILE***, **--postsolve-archive=***FILE*

  filename for postsolve archive

- **-r** ***FILE***, **--reduced-problem=***FILE*

  filename for reduced problem

- **-p** ***FILE***, **--parameter-settings=***FILE*

  filename for presolve parameter settings

- **--print-params**

  print possible parameters for presolving

- **-t** **-*N***, **--threads=***N*

  set number of threads

## SOLVE OPTIONS

- **-f** ***FILE***, **--file=***FILE*

  instance file

- **-a** ***TYPE***, **--arithmetic-type=***TYPE*

  "d" for double precision, "q" for quad precision, and "r" for exact rational arithmetic

- **-v** ***FILE***, **--postsolve-archive=***FILE*

  filename for postsolve archive

- **-r** ***FILE***, **--reduced-problem=***FILE*

  filename for reduced problem

- **-p** ***FILE***, **--parameter-settings=***FILE*

  filename for presolve parameter settings

- **--print-params**

  print possible parameters for presolving

- **-t** **-*N***, **--threads=***N*

  set number of threads

- **-u** ***FILE***, **--reduced-solution=***FILE*

  filename for solution of reduced problem

- **-l** ***FILE***, **--solution=***FILE*

  filename for solution

- **--dualsolution=***FILE*

  filename for dual solution

- **-c** ***FILE***, **--reducedcosts=***FILE*

  filename for reduced costs

- **-w** ***FILE***, **--basis=***FILE*

  filename for basis information

- **-o** ***VALUE***, **--reference-objective=***VALUE*

  correct objective value for validation

- **-x** ***FILE***, **--soplex-settings=***FILE*

  SoPlex settings file

- **--tlim** ***LIMIT***

  time limit for solver (including presolve time)

- **--print-stats**

  print detailed solver statistics

## POSTSOLVE OPTIONS

- **-f** ***FILE***, **--file=***FILE*

  instance file

- **-a** ***TYPE***, **--arithmetic-type=***TYPE*

  "d" for double precision, "q" for quad precision, and "r" for exact rational arithmetic

- **-v** ***FILE***, **--postsolve-archive=***FILE*

  filename for postsolve archive

- **--dual-reduced-solution=***FILE*

  filename for the dual solution of the reduced problem

- **--cost-reduced-solution=***FILE*

  filename for the reduced costs of the reduced problem

- **--basis-reduced-solution=***FILE*

  filename for the basis of the reduced problem

- **-u** ***FILE***, **--reduced-solution=***FILE*

  filename for solution of reduced problem

- **-l** ***FILE***, **--solution=***FILE*

  filename for solution

- **--dualsolution=***FILE*

  filename for dual solution

- **-c** ***FILE***, **--reducedcosts=***FILE*

  filename for reduced costs

- **-w** ***FILE***, **--basis=***FILE*

  filename for basis information

- **-o** ***VALUE***, **--reference-objective=***VALUE*

  correct objective value for validation

- **-b** ***FILE***, **--validate-solution=***FILE*

  optimal solution for validation