NO
Nontermination proof succeeded
Found this recurrent set for cutpoint 15: 0 <= IoCreateDevice_post and IoCreateDevice_post <= 0 and 1 <= PPBlockInits_post and PPBlockInits_post <= 1 and 0 <= PPBunlockInits_post and 0 <= status_post and status_post <= 0 and IoCreateDevice_post-PPBlockInits_post <= -1 and PPBlockInits_post-IoCreateDevice_post <= 1 and IoCreateDevice_post+PPBlockInits_post <= 1 and 1 <= IoCreateDevice_post+PPBlockInits_post and IoCreateDevice_post-PPBunlockInits_post <= 0 and 0 <= IoCreateDevice_post+PPBunlockInits_post and IoCreateDevice_post-status_post <= 0 and status_post-IoCreateDevice_post <= 0 and IoCreateDevice_post+status_post <= 0 and 0 <= IoCreateDevice_post+status_post and PPBlockInits_post-PPBunlockInits_post <= 1 and PPBunlockInits_post-PPBlockInits_post <= 0 and 1 <= PPBlockInits_post+PPBunlockInits_post and PPBlockInits_post-status_post <= 1 and status_post-PPBlockInits_post <= -1 and PPBlockInits_post+status_post <= 1 and 1 <= PPBlockInits_post+status_post and status_post-PPBunlockInits_post <= 0 and 0 <= PPBunlockInits_post+status_post and Pdolen_post-Pdolen_0 <= 0 and Pdolen_0-Pdolen_post <= 0 and Pdolen_post-i_0 <= 0 and Pdolen_post-i_post <= 0 and Pdolen_0-i_0 <= 0 and Pdolen_0-i_post <= 0 and i_post-i_0 <= 0 and i_0-i_post <= 0 and 0 <= 0
Errors: