NO NON-Termination: ---------------- SCC: +--transitions: t24,t25 +--nodes: l21,l22 Closed walk: 2 -> t24, t25 Reachability checked! - Recurrent Set Found: { z5454_post == 0, z4747_post == 0, z3333_post == 0, tmp___412_0 -tmp___412_post == 0, tmp___311_0 -tmp___311_post == 0, tmp___29_0 -tmp___29_post == 0, tmp___15_0 -tmp___15_post == 0, tmp___04_0 -tmp___04_post == 0, tmp8686_0 -tmp8686_post == 0, ret_apr_proc_mutex_child_init3838_0 -tmp3737_post == 0, tmp1_post == 0, ap_my_pid_0 -tmp1515_post == 0, status_0 -status_post == 0, shutdown_pending_0 -shutdown_pending_post == 0, -256 + server_limit_post == 0, ret_unixd_setup_child4040_post == 0, ap_my_pid_0 -ret_getpid1616_post == 0, ret_apr_proc_mutex_child_init3838_0 -ret_apr_proc_mutex_child_init3838_post == 0, ret_apr_pollset_poll6868_0 -ret_apr_pollset_poll6868_post == 0, ret_ap_run_create_connection8181_0 -ret_ap_run_create_connection8181_post == 0, ret_ap_mpm_pod_check8787_0 -ret_ap_mpm_pod_check8787_post == 0, ret_accept_mutex_on6262_0 -ret_accept_mutex_on6262_post == 0, ret_accept_mutex_off7272_0 -ret_accept_mutex_off7272_post == 0, ret_APR_STATUS_IS_EINTR7070_0 -ret_APR_STATUS_IS_EINTR7070_post == 0, requests_this_child_0 -requests_this_child_post == 0, pfd_reqevents_0 -pfd_reqevents_post == 0, pfd_desc_type_0 -pfd_desc_type_post == 0, pfd_desc_s_0 -pfd_desc_s_post == 0, pfd_client_data_0 -pfd_client_data_post == 0, pfd___02_0 -pfd___02_post == 0, one_process_0 -one_process_post == 0, numdesc___06_0 -numdesc___06_post == 0, num_listensocks___05252_0 -num_listensocks___05252_post == 0, num_listensocks_0 -num_listensocks_post == 0, my_child_num___07878_0 -my_child_num___07878_post == 0, child_num_arg_0 -my_child_num___04646_post == 0, child_num_arg_0 -my_child_num_post == 0, -8 + mpm_state_post == 0, lr_0 -lr_post == 0, last_poll_idx_post == 0, i_0 -i_post == 0, first_server_limit_post == 0, do_ACCEPT_post == 0, -1 + die_now_post == 0, current_conn___08484_0 -current_conn___08484_post == 0, current_conn___08282_0 -current_conn___08282_post == 0, current_conn_0 -current_conn_post == 0, child_num_arg_0 -child_num_arg_post == 0, ap_threads_per_child_post == 0, ap_my_pid_0 -ap_my_pid_post == 0, ap_my_generation_0 -ap_my_generation_post == 0, ap_max_requests_per_child_0 -ap_max_requests_per_child_post == 0, ap_max_mem_free_0 -ap_max_mem_free___02020_post == 0, ap_max_mem_free_0 -ap_max_mem_free_post == 0, ap_lock_fname_0 -ap_lock_fname___03535_post == 0, ap_lock_fname_0 -ap_lock_fname_post == 0, ap_listeners_0 -ap_listeners_post == 0, ap_daemons_to_start_post == 0, ap_daemons_min_free_post == 0, ap_daemons_max_free_post == 0, ap_daemons_limit_post == 0, a8888_post == 0, a7474_0 -a7474_post == 0, a7373_0 -a7373_post == 0, a7171_0 -a7171_post == 0, a6969_0 -a6969_post == 0, a6565_0 -a6565_post == 0, a6363_0 -a6363_post == 0, a5858_0 -a5858_post == 0, a4141_0 -a4141_post == 0, a3939_0 -a3939_post == 0, SER6060_0 -SER6060_post == 0, -1 + SER4949_post == 0, NL6161_0 -NL6161_post == 0, NL5050_post == 0, NL3232_post == 0, NL2323_post == 0, X76 == 0, X75 == 0, X74 == 0, tmp___412_0 -X73 == 0, tmp___311_0 -X72 == 0, tmp___29_0 -X71 == 0, tmp___15_0 -X70 == 0, tmp___04_0 -X69 == 0, tmp8686_0 -X68 == 0, ret_apr_proc_mutex_child_init3838_0 -X67 == 0, X66 == 0, ap_my_pid_0 -X65 == 0, status_0 -X64 == 0, shutdown_pending_0 -X63 == 0, -256 + X62 == 0, X61 == 0, ap_my_pid_0 -X60 == 0, ret_apr_proc_mutex_child_init3838_0 -X59 == 0, ret_apr_pollset_poll6868_0 -X58 == 0, ret_ap_run_create_connection8181_0 -X57 == 0, ret_ap_mpm_pod_check8787_0 -X56 == 0, ret_accept_mutex_on6262_0 -X55 == 0, ret_accept_mutex_off7272_0 -X54 == 0, ret_APR_STATUS_IS_EINTR7070_0 -X53 == 0, requests_this_child_0 -X52 == 0, pfd_reqevents_0 -X51 == 0, pfd_desc_type_0 -X50 == 0, pfd_desc_s_0 -X49 == 0, pfd_client_data_0 -X48 == 0, pfd___02_0 -X47 == 0, one_process_0 -X46 == 0, numdesc___06_0 -X45 == 0, num_listensocks___05252_0 -X44 == 0, num_listensocks_0 -X43 == 0, my_child_num___07878_0 -X42 == 0, child_num_arg_0 -X41 == 0, child_num_arg_0 -X40 == 0, -8 + X39 == 0, lr_0 -X38 == 0, X37 == 0, i_0 -X36 == 0, X35 == 0, X34 == 0, -1 + X33 == 0, current_conn___08484_0 -X32 == 0, current_conn___08282_0 -X31 == 0, current_conn_0 -X30 == 0, child_num_arg_0 -X29 == 0, X28 == 0, ap_my_pid_0 -X27 == 0, ap_my_generation_0 -X26 == 0, ap_max_requests_per_child_0 -X25 == 0, ap_max_mem_free_0 -X24 == 0, ap_max_mem_free_0 -X23 == 0, ap_lock_fname_0 -X22 == 0, ap_lock_fname_0 -X21 == 0, ap_listeners_0 -X20 == 0, X19 == 0, X18 == 0, X17 == 0, X16 == 0, X15 == 0, a7474_0 -X14 == 0, a7373_0 -X13 == 0, a7171_0 -X12 == 0, a6969_0 -X11 == 0, a6565_0 -X10 == 0, a6363_0 -X9 == 0, a5858_0 -X8 == 0, a4141_0 -X7 == 0, a3939_0 -X6 == 0, SER6060_0 -X5 == 0, -1 + X4 == 0, NL6161_0 -X3 == 0, X2 == 0, X1 == 0, X0 == 0, z5454_0 == 0, z4747_0 == 0, z3333_0 == 0, ret_apr_proc_mutex_child_init3838_0 -tmp3737_0 == 0, tmp1_0 == 0, ap_my_pid_0 -tmp1515_0 == 0, -256 + server_limit_0 == 0, ret_unixd_setup_child4040_0 == 0, ap_my_pid_0 -ret_getpid1616_0 == 0, child_num_arg_0 -my_child_num___04646_0 == 0, child_num_arg_0 -my_child_num_0 == 0, -8 + mpm_state_0 == 0, last_poll_idx_0 == 0, first_server_limit_0 == 0, do_ACCEPT_0 == 0, -1 + die_now_0 == 0, ap_threads_per_child_0 == 0, ap_max_mem_free_0 -ap_max_mem_free___02020_0 == 0, ap_lock_fname_0 -ap_lock_fname___03535_0 == 0, ap_daemons_to_start_0 == 0, ap_daemons_min_free_0 == 0, ap_daemons_max_free_0 == 0, ap_daemons_limit_0 == 0, a8888_0 == 0, -1 + SER4949_0 == 0, NL5050_0 == 0, NL3232_0 == 0, NL2323_0 == 0, ap_listeners_0 -lr_0 >= 0, -1 + child_num_arg_0 >= 0, -1 + lr_0 >= 0, -1 + num_listensocks_0 >= 0, requests_this_child_0 >= 0, -i_0 >= 0 } Connected Subgraphs where we couldn't prove Termination: -------------------------------------------------------- SCC: +--transitions: t62,t8 +--nodes: l1,l6 SCC: +--transitions: t10,t14,t15,t16,t17,t18,t19,t20,t21,t22,t23,t26,t28,t29,t30,t31,t32,t33,t34,t35,t36,t37,t38,t45,t47,t50,t51,t52,t54,t55,t56,t57,t58,t59,t60,t9 +--nodes: l10,l15,l16,l17,l18,l19,l20,l23,l24,l25,l26,l27,l28,l29,l30,l35,l36,l37,l38,l39,l40,l7,l8,l9 method 1