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We present a dark energy model with a double exponential potential for aminimally coupled scalar field, which allows general exact integration of thecosmological equations. The solution can perfectly emulate a $\Lambda$-termmodel at low-medium redshift, exhibits tracking behavior, and does not showeternal acceleration.Comment: 15 pages, 7 figures included, to appear in Physical Review

Oscillating dark energy: A possible solution to the problem of eternal acceleration