--TEST--

See GitHub issue #9012 ( https://github.com/composer/composer/issues/9012 and https://gist.github.com/Seldaek/4e2dbc2cea4b4fd7a8207bb310ec8e34).

Recursive analysis of the same learnt rules can lead to infinite recursion in solver.

--COMPOSER--
{
    "require": {
        "php": ">=7.1.7",
        "laravel/framework": "^6.0",
        "nunomaduro/collision": "^4.0"
    },
    "config": {
        "preferred-install": "dist",
        "sort-packages": true,
        "optimize-autoloader": true,
        "process-timeout": 0
    },
    "repositories": {
        "laravel/framework": {
            "type": "package",
            "package": [
                {
                    "name": "laravel/framework",
                    "version": "v6.0.0",
                    "type": "library",
                    "extra": {
                        "branch-alias": {
                            "dev-master": "6.x-dev"
                        }
                    },
                    "require": {
                        "symfony/console": "^4.3.4"
                    }
                }
            ]
        },
        "nunomaduro/collision": {
            "type": "package",
            "package": [
                {
                    "name": "nunomaduro/collision",
                    "version": "v4.2.0",
                    "type": "library",
                    "extra": {
                        "laravel": {
                            "providers": [
                                "NunoMaduro\\Collision\\Adapters\\Laravel\\CollisionServiceProvider"
                            ]
                        }
                    },
                    "require": {
                        "symfony/console": "^5.0"
                    }
                }
            ]
        },
        "symfony/console": {
            "type": "package",
            "package": [
                {
                    "name": "symfony/console",
                    "version": "v5.1.7",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.1.6",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.1.5",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.1.4",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.1.3",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.1.2",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.1.1",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.1.0",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.1.0-RC2",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.1.0-RC1",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.1.0-BETA1",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.0.11",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.0.10",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.0.9",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.0.8",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.0.7",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.0.6",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.0.5",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.0.4",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.0.3",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.0.2",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.0.1",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v5.0.0",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.4.15",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.4.14",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.4.13",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.4.12",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.4.11",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.4.10",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.4.9",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.4.8",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.4.7",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.4.6",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.4.5",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.4.4",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.4.3",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.4.2",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.4.1",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.4.0",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.4.0-RC1",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.4.0-BETA2",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.4.0-BETA1",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.3.11",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.3.10",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.3.9",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.3.8",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.3.7",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.3.6",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.3.5",
                    "type": "library"
                },
                {
                    "name": "symfony/console",
                    "version": "v4.3.4",
                    "type": "library"
                }
            ]
        }
    }
}

--RUN--
update

--EXPECT--

--EXPECT-OUTPUT--

--EXPECT-EXIT-CODE--
2