<?php

namespace Finite\Bundle\FiniteBundle\DependencyInjection;

use Symfony\Component\Config\FileLocator;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Loader;
use Symfony\Component\DependencyInjection\Reference;
use Symfony\Component\HttpKernel\DependencyInjection\Extension;

/**
 * This is the class that loads and manages your bundle configuration
 *
 * To learn more see {@link http://symfony.com/doc/current/cookbook/bundles/extension.html}
 */
class FiniteFiniteExtension extends Extension
{
    /**
     * {@inheritDoc}
     */
    public function load(array $configs, ContainerBuilder $container)
    {
        $configuration = new Configuration();
        $config = $this->processConfiguration($configuration, $configs);

        $loader = new Loader\XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
        $loader->load('services.xml');
        $factoryDefinition = $container->getDefinition('finite.factory');

        foreach ($config as $key => $stateMachineConfig) {
            $definition = clone $container->getDefinition('finite.array_loader');
            $definition->addArgument($stateMachineConfig);
            $definition->addTag('finite.loader');

            $serviceId  = 'finite.loader.'.$key;
            $container->setDefinition($serviceId, $definition);

            $factoryDefinition->addMethodCall('addLoader', array(new Reference($serviceId)));
        }

        $container->removeDefinition('finite.array_loader');
    }
}

<?php

namespace Finite\Bundle\FiniteBundle\DependencyInjection;

use Symfony\Component\Config\FileLocator;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Loader;
use Symfony\Component\DependencyInjection\Reference;
use Symfony\Component\HttpKernel\DependencyInjection\Extension;

/**
 * This is the class that loads and manages your bundle configuration
 *
 * To learn more see {@link http://symfony.com/doc/current/cookbook/bundles/extension.html}
 */
class FiniteFiniteExtension extends Extension
{
    /**
     * {@inheritDoc}
     */
    public function load(array $configs, ContainerBuilder $container)
    {
        $configuration = new Configuration();
        $config = $this->processConfiguration($configuration, $configs);

        $loader = new Loader\XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
        $loader->load('services.xml');
        $factoryDefinition = $container->getDefinition('finite.factory');

        foreach ($config as $key => $stateMachineConfig) {
            $definition = clone $container->getDefinition('finite.array_loader');
            $definition->addArgument($stateMachineConfig);
            $definition->addTag('finite.loader');
            $definition->setLazy(true);

            $serviceId  = 'finite.loader.'.$key;
            $container->setDefinition($serviceId, $definition);

            $factoryDefinition->addMethodCall('addLoader', array(new Reference($serviceId)));
        }

        $container->removeDefinition('finite.array_loader');
    }
}

Add lazy flag to avoid circular reference
Add lazy flag to avoid circular reference