ReteDumper dumper = new ReteDumper( ruleBase );
dumper.dumpRete( System.err );
System.out.println( "DUMP RETE DOT" );
System.out.println( "---------" );
dumper.dumpReteToDot( System.err );
// Assert the facts, and fire the rules.
Fibonacci fibonacci = new Fibonacci( 50 );
long start = System.currentTimeMillis( );
workingMemory.assertObject( fibonacci );