[dx] Could not reserve enough space for object heap

-dex:
      [dex] input: /path1/to/bin/classes
      [dex] input: /path2/to/bin/classes.jar
      [dex] input: /path/to/android-sdk-linux/tools/support/annotations.jar
      [dex] input: /path2/to/libs/android-support-v4.jar
      [dex] Pre-Dexing /path2/to/bin/classes.jar -> classes-df6cdfb7c6be3c83700a640e18a54033.jar
       [dx] Error occurred during initialization of VM
       [dx] Could not reserve enough space for object heap
       [dx] Error: Could not create the Java Virtual Machine.
       [dx] Error: A fatal exception has occurred. Program will exit.