%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : DAT082_1 : TPTP v9.3.1. Released v6.1.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n012.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Fri Sep 25 01:13:58 PM UTC 2026
% Result : Theorem 1.45s 1.48s
% Output : CNFRefutation 1.45s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named f21ERROR: Could not build tree for root c_1164ERROR: MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
tff(func_def_0,type,
nil: list ).
tff(pred_def_1,type,
in: ( list * $int ) > $o ).
tff(pred_def_2,type,
inRange: ( list * $int ) > $o ).
tff(func_def_3,type,
tail: list > list ).
tff(func_def_5,type,
length: list > $int ).
tff(func_def_8,type,
count: ( list * $int ) > $int ).
tff(func_def_9,type,
append: ( list * list ) > list ).
tff(func_def_12,type,
sK0: ( list * $int ) > $int ).
tff(func_def_13,type,
sK1: ( list * $int ) > list ).
tff(func_def_14,type,
sK2: ( list * $int ) > $int ).
tff(func_def_15,type,
sK3: ( list * $int ) > list ).
tff(func_def_16,type,
sK4: ( list * $int ) > $int ).
tff(func_def_17,type,
sK5: ( list * $int ) > list ).
tff(f7,axiom,
length(nil) = 0,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',l) ).
tff(f8,axiom,
! [X0: $int,X1: list] : ( length(cons(X0,X1)) = $sum(1,length(X1)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',l_1) ).
tff(f15,conjecture,
length(cons(1,cons(2,nil))) = 2,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',c) ).
tff(f16,negated_conjecture,
( ( ~ length(cons(1,cons(2,nil))) ) = 2 ),
inference(negated_conjecture,[status(cth)],[f15]) ).
tff(f34,plain,
2 != length(cons(1,cons(2,nil))),
inference(flattening,[],[f16]) ).
tff(f62,plain,
0 = length(nil),
inference(cnf_transformation,[],[f7]) ).
tff(f63,plain,
! [X0: $int,X1: list] : ( length(cons(X0,X1)) = $sum(1,length(X1)) ),
inference(cnf_transformation,[],[f8]) ).
tff(f71,plain,
2 != length(cons(1,cons(2,nil))),
inference(cnf_transformation,[],[f34]) ).
tcf(c_58,negated_conjecture,
! [X0_int: $int] : $sum(X0_int,0) = X0_int,
inference(cnf_transformation,[],[f21]) ).
tcf(c_77,negated_conjecture,
length(nil) = 0,
inference(cnf_transformation,[],[f62]) ).
tcf(c_78,negated_conjecture,
! [X0_int: $int,X0_list: list] : length(cons(X0_int,X0_list)) = $sum(1,length(X0_list)),
inference(cnf_transformation,[],[f63]) ).
tcf(c_86,negated_conjecture,
length(cons(1,cons(2,nil))) != 2,
inference(cnf_transformation,[],[f71]) ).
tcf(c_355,plain,
$sum(1,length(cons(2,nil))) != 2,
inference(demodulation,[status(thm)],[c_86,c_78]) ).
tcf(c_356,plain,
$sum(1,1) != 2,
inference(demodulation,[status(thm)],[c_355,c_58,c_77,c_78]) ).
tcf(c_1164,plain,
$false,
inference(smt_theory_normalisation,[status(thm)],[c_356]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01 % Problem : DAT082_1 : TPTP v9.3.1. Released v6.1.0.
% 0.00/0.02 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.03/0.30 % Computer : n012.cluster.edu
% 0.03/0.30 % Model : x86_64 x86_64
% 0.03/0.30 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.03/0.30 % Memory : 8046.5625MB
% 0.03/0.30 % OS : Linux 6.8.0-71-generic
% 0.03/0.30 % CPULimit : 300
% 0.03/0.30 % WCLimit : 300
% 0.03/0.30 % DateTime : Fri Sep 25 10:23:36 UTC 2026
% 0.03/0.30 % CPUTime :
% 0.03/0.30 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.03/0.31 Running TFA theorem proving
% 0.03/0.31 Running: /export/starexec/sandbox/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s tfa_schedule -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.03/0.32
% 0.03/0.32 % ======== iProver multi-core TPTP/SMT =========
% 0.03/0.32
% 0.03/0.32 % Detected problem language: tptp
% 0.03/0.33 % Proving...
% 1.45/1.48 % SZS status Started for theBenchmark.p
% 1.45/1.48 ERROR - "ProverProcess:heur/schedule_none:304.99999046325684" ran with exit code 2 and error: iprover.ml: Unexpected exception: Failure("undefined enum value")
% 1.45/1.48 Fatal error: exception Failure("undefined enum value")
% 1.45/1.48 ERROR - cmd was: ulimit -v 4023281; ./res/iproveropt --schedule none --sub_typing false --suppress_sat_res true --tptp_safe_out true --stats_out none --out_options none --proof_out true --sat_out_model pos --clausifier res/vclausify_rel --clausifier_options "--mode tclausify -t 101.67 --show_fool true" --time_out_real 305.00 /export/starexec/sandbox/benchmark/theBenchmark.p 1>> /export/starexec/sandbox/tmp/iprover_out_kopx9hxa/wlxzvhc_ 2>> /export/starexec/sandbox/tmp/iprover_out_kopx9hxa/wlxzvhc__error
% 1.45/1.48 ERROR - "ProverProcess:heur/vip_66003:95.0" ran with exit code 2 and error: iprover.ml: Unexpected exception: Failure("undefined enum value")
% 1.45/1.48 Fatal error: exception Failure("undefined enum value")
% 1.45/1.48 ERROR - cmd was: ulimit -v 4023281; ./res/iproveropt --comb_inst_mult 32 --comb_mode time_based --comb_sup_deep_mult 64 --comb_sup_mult 64 --conj_cone_tolerance 3.2246457225635665 --demod_completeness_check fast --demod_use_ground true --extra_neg_conj all_pos_neg --inst_activity_threshold 64 --inst_dismatching true --inst_eager_unprocessed_to_passive true --inst_eq_res_simp false --inst_learning_factor 10 --inst_learning_loop_flag true --inst_learning_start 32768 --inst_lit_activity_flag false --inst_lit_sel "[+sign;-prop]" --inst_lit_sel_side num_lit --inst_orphan_elimination true --inst_passive_queue_type list --inst_passive_queues "[[+num_lits;+num_symb];[-ar_concr];[-ar_concr]]" --inst_passive_queues_freq "[5;3;15]" --inst_prop_sim_given true --inst_prop_sim_new true --inst_restr_to_given false --inst_sel_renew model --inst_solver_calls_frac 0.994592572872622 --inst_solver_per_active 128 --inst_sos_flag true --inst_sos_phase true --inst_sos_sth_lit_sel "[+non_prol_conj_symb;-split;+sign]" --inst_start_prop_sim_after_learn 8 --inst_subs_given false --inst_subs_new true --inst_to_smt_solver false --instantiation_flag true --out_options none --prep_sup_sim_all true --prep_sup_sim_sup false --preprocessed_out false --preprocessing_flag true --prolific_symb_bound 128 --proof_out true --prop_solver_per_cl 8192 --resolution_flag false --schedule none --share_sel_clauses true --stats_out none --subs_bck_mult 4 --sup_bw_gjoin_interval 100 --sup_cache_sim once --sup_full_bw "[]" --sup_full_fixpoint true --sup_full_fw "[Subsumption;SubsumptionRes;FullSubsAndRes;ACNormalisation;GroundJoinability;Connectedness]" --sup_fun_splitting true --sup_immed_bw_immed "[SubsumptionRes;UnitSubsAndRes;FullSubsAndRes;ACDemod]" --sup_immed_bw_main "[]" --sup_immed_fixpoint true --sup_immed_fw_immed "[]" --sup_immed_fw_main "[UnitSubsAndRes;Demod;LightNorm;ACJoinability;ACNormalisation;ACDemod;GroundJoinability]" --sup_immed_triv "[Unflattening;SMTSimplify]" --sup_indices_passive "[BwDemod;LightNorm;BwACDemod]" --sup_input_bw "[]" --sup_input_fixpoint false --sup_input_fw "[Subsumption;SubsumptionRes;FullSubsAndRes;SMTSubs;ACJoinability]" --sup_input_triv "[]" --sup_iter_deepening 4 --sup_main_fixpoint true --sup_ordering kbo --sup_passive_queue_type queue --sup_passive_queues "[[-max_atom_input_occur]]" --sup_passive_queues_freq "[3]" --sup_prop_simpl_given true --sup_prop_simpl_new false --sup_restarts_mult 16 --sup_score sim_d_gen --sup_share_max_num_cl 1280 --sup_share_score_frac 0.1 --sup_smt_interval 64 --sup_symb_ordering invfreq_arity --sup_term_weight default --sup_to_prop_solver passive --sup_unprocessed_bound 1000 --superposition_flag true --suppress_sat_res true --tptp_safe_out true --sat_out_model pos --clausifier res/vclausify_rel --clausifier_options "--mode tclausify -t 31.67 --show_fool true" --time_out_real 95.00 /export/starexec/sandbox/benchmark/theBenchmark.p 1>> /export/starexec/sandbox/tmp/iprover_out_kopx9hxa/wtcu3y_q 2>> /export/starexec/sandbox/tmp/iprover_out_kopx9hxa/wtcu3y_q_error
% 1.45/1.48 ERROR - "ProverProcess:heur/vip_65520:11.0" ran with exit code 2 and error: iprover.ml: Unexpected exception: Failure("undefined enum value")
% 1.45/1.48 Fatal error: exception Failure("undefined enum value")
% 1.45/1.48 ERROR - cmd was: ulimit -v 4023281; ./res/iproveropt --comb_mode time_based --comb_res_mult 6 --comb_sup_deep_mult 0 --comb_sup_mult 6 --conj_cone_tolerance 1.8969679945890683 --demod_completeness_check fullold --demod_use_ground false --extra_neg_conj all_neg --instantiation_flag false --out_options none --preprocessed_out false --preprocessing_flag false --prolific_symb_bound 1024 --proof_out true --prop_solver_per_cl 512 --res_to_smt_solver false --resolution_flag true --schedule none --share_sel_clauses true --stats_out none --subs_bck_mult 16 --sup_bw_gjoin_interval 100 --sup_cache_sim none --sup_full_bw "[Subsumption;SubsumptionRes;UnitSubsAndRes]" --sup_full_fixpoint false --sup_full_fw "[]" --sup_fun_splitting false --sup_immed_bw_immed "[Subsumption;SubsumptionRes;UnitSubsAndRes]" --sup_immed_bw_main "[SubsumptionRes;UnitSubsAndRes;FullSubsAndRes;Demod;ACDemod]" --sup_immed_fixpoint false --sup_immed_fw_immed "[Subsumption;SubsumptionRes;FullSubsAndRes;Demod;LightNorm;ACDemod]" --sup_immed_fw_main "[Subsumption;UnitSubsAndRes;FullSubsAndRes;Demod;LightNorm;ACNormalisation;GroundJoinability;Connectedness]" --sup_immed_triv "[]" --sup_indices_passive "[]" --sup_input_fixpoint false --sup_main_fixpoint true --sup_ordering lpo --sup_passive_queue_type priority_queues --sup_passive_queues "[[+has_eq;-has_eq];[-num_var;-num_var];[+conj_dist;+ground;-max_atom_input_occur]]" --sup_passive_queues_freq "[1;4;4]" --sup_prop_simpl_given false --sup_prop_simpl_new false --sup_score sim_d_gen --sup_share_max_num_cl 10 --sup_share_score_frac 0.2 --sup_smt_interval 32 --sup_symb_ordering invfreq_arity --sup_term_weight default --sup_to_prop_solver passive --sup_unprocessed_bound 10 --superposition_flag true --suppress_sat_res true --tptp_safe_out true --sat_out_model pos --clausifier res/vclausify_rel --clausifier_options "--mode tclausify -t 3.67 --show_fool true" --time_out_real 11.00 /export/starexec/sandbox/benchmark/theBenchmark.p 1>> /export/starexec/sandbox/tmp/iprover_out_kopx9hxa/wtr0xmpa 2>> /export/starexec/sandbox/tmp/iprover_out_kopx9hxa/wtr0xmpa_error
% 1.45/1.48 ERROR - "ProverProcess:heur/vip_65097:3.0" ran with exit code 2 and error: iprover.ml: Unexpected exception: Failure("undefined enum value")
% 1.45/1.48 Fatal error: exception Failure("undefined enum value")
% 1.45/1.48 ERROR - cmd was: ulimit -v 4023281; ./res/iproveropt --comb_inst_mult 3 --comb_mode clause_based --comb_res_mult 3 --comb_sup_deep_mult 0 --comb_sup_mult 0 --conj_cone_tolerance 4.0357851670394345 --extra_neg_conj none --inst_activity_threshold 512 --inst_dismatching true --inst_eager_unprocessed_to_passive true --inst_eq_res_simp true --inst_learning_factor 2 --inst_learning_loop_flag true --inst_learning_start 2048 --inst_lit_activity_flag true --inst_lit_sel "[+split;-sign;-depth]" --inst_lit_sel_side none --inst_orphan_elimination true --inst_passive_queue_type queue --inst_passive_queues "[[+age;+num_lits;-age];[-age;-min_def_symb;+bc_imp_inh]]" --inst_passive_queues_freq "[2;2]" --inst_prop_sim_given true --inst_prop_sim_new false --inst_restr_to_given true --inst_sel_renew solver --inst_solver_calls_frac 1.0 --inst_solver_per_active 1024 --inst_sos_flag true --inst_sos_phase false --inst_sos_sth_lit_sel "[+split;-ground;-depth]" --inst_start_prop_sim_after_learn 3 --inst_subs_given true --inst_subs_new false --instantiation_flag true --out_options none --prep_sup_sim_all true --prep_sup_sim_sup false --preprocessed_out false --preprocessing_flag true --prolific_symb_bound 256 --proof_out true --prop_solver_per_cl 16384 --resolution_flag true --schedule none --share_sel_clauses false --stats_out none --subs_bck_mult 8 --suppress_sat_res true --tptp_safe_out true --sat_out_model pos --clausifier res/vclausify_rel --clausifier_options "--mode tclausify -t 1.00 --show_fool true" --time_out_real 3.00 /export/starexec/sandbox/benchmark/theBenchmark.p 1>> /export/starexec/sandbox/tmp/iprover_out_kopx9hxa/41n47om1 2>> /export/starexec/sandbox/tmp/iprover_out_kopx9hxa/41n47om1_error
% 1.45/1.48 ERROR - "ProverProcess:heur/vip_65080:40.0" ran with exit code 2 and error: iprover.ml: Unexpected exception: Failure("undefined enum value")
% 1.45/1.48 Fatal error: exception Failure("undefined enum value")
% 1.45/1.48 ERROR - cmd was: ulimit -v 4023281; ./res/iproveropt --comb_mode time_based --comb_res_mult 6 --comb_sup_deep_mult 4 --comb_sup_mult 6 --conj_cone_tolerance 1.895766803319499 --demod_completeness_check fullold --demod_use_ground false --extra_neg_conj all_pos_neg --instantiation_flag false --out_options none --preprocessed_out false --preprocessing_flag false --prolific_symb_bound 1024 --proof_out true --prop_solver_per_cl 128 --res_to_smt_solver false --resolution_flag true --schedule none --share_sel_clauses true --stats_out none --subs_bck_mult 16 --sup_bw_gjoin_interval 100 --sup_cache_sim none --sup_full_bw "[Subsumption;SubsumptionRes;UnitSubsAndRes]" --sup_full_fixpoint false --sup_full_fw "[]" --sup_fun_splitting false --sup_immed_bw_immed "[Subsumption;SubsumptionRes;UnitSubsAndRes]" --sup_immed_bw_main "[SubsumptionRes;UnitSubsAndRes;FullSubsAndRes;Demod;ACDemod]" --sup_immed_fixpoint false --sup_immed_fw_immed "[Subsumption;SubsumptionRes;FullSubsAndRes;Demod;LightNorm;ACDemod]" --sup_immed_fw_main "[Subsumption;UnitSubsAndRes;FullSubsAndRes;Demod;LightNorm;ACNormalisation;GroundJoinability;Connectedness]" --sup_immed_triv "[]" --sup_indices_passive "[]" --sup_input_fixpoint false --sup_iter_deepening 2 --sup_main_fixpoint true --sup_ordering lpo --sup_passive_queue_type priority_queues --sup_passive_queues "[[+has_eq;-has_eq];[-num_var;-num_var];[+conj_dist;+ground;-max_atom_input_occur]]" --sup_passive_queues_freq "[1;4;4]" --sup_prop_simpl_given false --sup_prop_simpl_new false --sup_restarts_mult 4 --sup_score sim_d_gen --sup_share_max_num_cl 10 --sup_share_score_frac 0.2 --sup_smt_interval 32 --sup_symb_ordering invfreq_arity --sup_term_weight default --sup_to_prop_solver passive --sup_unprocessed_bound 10 --superposition_flag true --suppress_sat_res true --tptp_safe_out true --sat_out_model pos --clausifier res/vclausify_rel --clausifier_options "--mode tclausify -t 13.33 --show_fool true" --time_out_real 40.00 /export/starexec/sandbox/benchmark/theBenchmark.p 1>> /export/starexec/sandbox/tmp/iprover_out_kopx9hxa/bzysc4y0 2>> /export/starexec/sandbox/tmp/iprover_out_kopx9hxa/bzysc4y0_error
% 1.45/1.48 ERROR - "ProverProcess:heur/vip_66020:200.0" ran with exit code 2 and error: iprover.ml: Unexpected exception: Failure("undefined enum value")
% 1.45/1.48 Fatal error: exception Failure("undefined enum value")
% 1.45/1.48 ERROR - cmd was: ulimit -v 4023281; ./res/iproveropt --comb_inst_mult 16 --comb_mode time_based --comb_res_mult 3 --comb_sup_deep_mult 1 --comb_sup_mult 0 --conj_cone_tolerance 2.250068292082666 --demod_completeness_check fastold --demod_use_ground true --extra_neg_conj none --inst_activity_threshold 16 --inst_dismatching false --inst_eager_unprocessed_to_passive true --inst_eq_res_simp false --inst_learning_factor 3 --inst_learning_loop_flag true --inst_learning_start 32 --inst_lit_activity_flag false --inst_lit_sel "[+ground;+num_var]" --inst_lit_sel_side num_symb --inst_orphan_elimination true --inst_passive_queue_type queue --inst_passive_queues "[[-num_lits;-has_eq]]" --inst_passive_queues_freq "[512]" --inst_prop_sim_given false --inst_prop_sim_new false --inst_restr_to_given true --inst_sel_renew solver --inst_solver_calls_frac 0.13028534399813618 --inst_solver_per_active 4096 --inst_sos_flag true --inst_sos_phase true --inst_sos_sth_lit_sel "[+non_prol_conj_symb;-depth;-non_prol_conj_symb;+non_prol_conj_symb;+eq]" --inst_start_prop_sim_after_learn 7 --inst_subs_given false --inst_subs_new true --inst_to_smt_solver false --instantiation_flag true --out_options none --preprocessed_out false --preprocessing_flag false --prolific_symb_bound 128 --proof_out true --prop_solver_per_cl 512 --res_to_smt_solver true --resolution_flag true --schedule none --share_sel_clauses true --stats_out none --subs_bck_mult 8 --sup_bw_gjoin_interval 10000 --sup_cache_sim none --sup_full_bw "[]" --sup_full_fixpoint true --sup_full_fw "[Subsumption;SubsumptionRes;FullSubsAndRes;ACJoinability;Connectedness]" --sup_fun_splitting false --sup_immed_bw_immed "[SubsumptionRes;UnitSubsAndRes;FullSubsAndRes;Demod;ACDemod]" --sup_immed_bw_main "[SubsumptionRes;UnitSubsAndRes;Demod]" --sup_immed_fixpoint false --sup_immed_fw_immed "[SubsumptionRes;UnitSubsAndRes;Demod;ACDemod;GroundJoinability;Connectedness]" --sup_immed_fw_main "[]" --sup_immed_triv "[]" --sup_indices_passive "[]" --sup_input_fixpoint true --sup_iter_deepening 2 --sup_main_fixpoint true --sup_ordering kbo --sup_passive_queue_type queue --sup_passive_queues "[[-min_def_symb;+reachable_state;-age];[-epr];[+horn;-reachable_state;-num_var]]" --sup_passive_queues_freq "[2;5;15]" --sup_prop_simpl_given true --sup_prop_simpl_new true --sup_restarts_mult 12 --sup_score sim --sup_share_max_num_cl 80 --sup_share_score_frac 0.1 --sup_smt_interval 16384 --sup_symb_ordering random --sup_term_weight default --sup_to_prop_solver none --sup_unprocessed_bound 1000 --superposition_flag true --suppress_sat_res true --tptp_safe_out true --sat_out_model pos --clausifier res/vclausify_rel --clausifier_options "--mode tclausify -t 66.67 --show_fool true" --time_out_real 200.00 /export/starexec/sandbox/benchmark/theBenchmark.p 1>> /export/starexec/sandbox/tmp/iprover_out_kopx9hxa/0foo5s8s 2>> /export/starexec/sandbox/tmp/iprover_out_kopx9hxa/0foo5s8s_error
% 1.45/1.48 ERROR - "ProverProcess:heur/vip_65511:44.0" ran with exit code 2 and error: iprover.ml: Unexpected exception: Failure("undefined enum value")
% 1.45/1.48 Fatal error: exception Failure("undefined enum value")
% 1.45/1.48 ERROR - cmd was: ulimit -v 4023281; ./res/iproveropt --comb_inst_mult 2 --comb_mode clause_based --comb_sup_deep_mult 3 --comb_sup_mult 0 --conj_cone_tolerance 3.378762210374529 --demod_completeness_check full --demod_use_ground false --extra_neg_conj all_pos --inst_activity_threshold 4 --inst_dismatching false --inst_eager_unprocessed_to_passive true --inst_eq_res_simp false --inst_learning_factor 6 --inst_learning_loop_flag true --inst_learning_start 8192 --inst_lit_activity_flag true --inst_lit_sel "[-conj_symb;-conj_symb;+conj_symb;+num_var;-non_prol_conj_symb]" --inst_lit_sel_side num_symb --inst_orphan_elimination true --inst_passive_queue_type queue --inst_passive_queues "[[-has_eq;-conj_dist];[+ground;-min_def_symb]]" --inst_passive_queues_freq "[5;3]" --inst_prop_sim_given true --inst_prop_sim_new true --inst_restr_to_given false --inst_sel_renew model --inst_solver_calls_frac 0.60162165485836 --inst_solver_per_active 1024 --inst_sos_flag true --inst_sos_phase true --inst_sos_sth_lit_sel "[-conj_symb;-num_symb;+num_var;-eq;+num_var]" --inst_start_prop_sim_after_learn 9 --inst_subs_given false --inst_subs_new true --inst_to_smt_solver false --instantiation_flag true --out_options none --preprocessed_out false --preprocessing_flag false --prolific_symb_bound 16384 --proof_out true --prop_solver_per_cl 128 --resolution_flag false --schedule none --share_sel_clauses false --stats_out none --subs_bck_mult 4 --sup_bw_gjoin_interval 1000 --sup_cache_sim none --sup_full_bw "[]" --sup_full_fixpoint false --sup_full_fw "[]" --sup_fun_splitting true --sup_immed_bw_immed "[]" --sup_immed_bw_main "[]" --sup_immed_fixpoint false --sup_immed_fw_immed "[Subsumption;SubsumptionRes;UnitSubsAndRes;Demod;ACJoinability;Connectedness]" --sup_immed_fw_main "[]" --sup_immed_triv "[PropSubs]" --sup_indices_passive "[UnitSubsumption;NonunitSubsumption;Subsumption;FwDemod;BwDemod;LightNorm;FwACDemod;BwACDemod;SMTIncr;SMTSet;BwGjoin]" --sup_input_fixpoint true --sup_iter_deepening 8 --sup_main_fixpoint true --sup_ordering lpo --sup_passive_queue_type queue --sup_passive_queues "[[+next_state;-horn;-epr];[+max_atom_input_occur];[-num_lits;-num_lits]]" --sup_passive_queues_freq "[2;1;5]" --sup_prop_simpl_given true --sup_prop_simpl_new false --sup_restarts_mult 16 --sup_smt_interval 8192 --sup_symb_ordering invfreq_arity --sup_term_weight default --sup_to_prop_solver none --sup_unprocessed_bound 10000 --superposition_flag true --suppress_sat_res true --tptp_safe_out true --sat_out_model pos --clausifier res/vclausify_rel --clausifier_options "--mode tclausify -t 14.67 --show_fool true" --time_out_real 44.00 /export/starexec/sandbox/benchmark/theBenchmark.p 1>> /export/starexec/sandbox/tmp/iprover_out_kopx9hxa/2k3sbqnn 2>> /export/starexec/sandbox/tmp/iprover_out_kopx9hxa/2k3sbqnn_error
% 1.45/1.48 ERROR - "ProverProcess:heur/vip_65513:23.0" ran with exit code 2 and error: iprover.ml: Unexpected exception: Failure("undefined enum value")
% 1.45/1.48 Fatal error: exception Failure("undefined enum value")
% 1.45/1.48 ERROR - cmd was: ulimit -v 4023281; ./res/iproveropt --comb_mode clause_based --comb_res_mult 3 --comb_sup_deep_mult 8 --comb_sup_mult 32 --conj_cone_tolerance 2.210120583500039 --demod_completeness_check off --demod_use_ground true --extra_neg_conj all_neg --instantiation_flag false --out_options none --prep_sup_sim_all false --prep_sup_sim_sup true --preprocessed_out false --preprocessing_flag true --prolific_symb_bound 2048 --proof_out true --prop_solver_per_cl 16384 --res_to_smt_solver true --resolution_flag true --schedule none --share_sel_clauses true --stats_out none --subs_bck_mult 2 --sup_bw_gjoin_interval 100 --sup_cache_sim none --sup_full_bw "[Subsumption;UnitSubsAndRes;ACDemod]" --sup_full_fixpoint true --sup_full_fw "[]" --sup_fun_splitting false --sup_immed_bw_immed "[]" --sup_immed_bw_main "[SubsumptionRes;Demod;ACDemod]" --sup_immed_fixpoint false --sup_immed_fw_immed "[]" --sup_immed_fw_main "[Subsumption;SubsumptionRes;FullSubsAndRes;Demod;LightNorm;ACNormalisation;ACDemod;GroundJoinability;Connectedness]" --sup_immed_triv "[]" --sup_indices_passive "[NonunitSubsumption;FwDemod;FwACDemod;SMTSet]" --sup_input_bw "[]" --sup_input_fixpoint false --sup_input_fw "[UnitSubsAndRes;SMTSubs;Demod;ACJoinability;ACDemod;Connectedness]" --sup_input_triv "[Unflattening]" --sup_iter_deepening 4 --sup_main_fixpoint false --sup_ordering kbo --sup_passive_queue_type priority_queues --sup_passive_queues "[[+num_symb;+conj_non_prolific_symb];[+bc_imp_inh;-has_eq];[+score]]" --sup_passive_queues_freq "[512;3;50]" --sup_prop_simpl_given true --sup_prop_simpl_new false --sup_restarts_mult 12 --sup_score sim --sup_share_max_num_cl 160 --sup_share_score_frac 0.4 --sup_smt_interval 2048 --sup_symb_ordering random --sup_term_weight default --sup_to_prop_solver active --sup_unprocessed_bound 1000 --superposition_flag true --suppress_sat_res true --tptp_safe_out true --sat_out_model pos --clausifier res/vclausify_rel --clausifier_options "--mode tclausify -t 7.67 --show_fool true" --time_out_real 23.00 /export/starexec/sandbox/benchmark/theBenchmark.p 1>> /export/starexec/sandbox/tmp/iprover_out_kopx9hxa/b10sdn_i 2>> /export/starexec/sandbox/tmp/iprover_out_kopx9hxa/b10sdn_i_error
% 1.45/1.48 ERROR - "ProverProcess:heur/vip_65522:16.0" ran with exit code 2 and error: iprover.ml: Unexpected exception: Failure("undefined enum value")
% 1.45/1.48 Fatal error: exception Failure("undefined enum value")
% 1.45/1.48 ERROR - cmd was: ulimit -v 4023281; ./res/iproveropt --comb_mode clause_based --comb_sup_deep_mult 64 --comb_sup_mult 0 --conj_cone_tolerance 4.858427083539148 --demod_completeness_check fastold --demod_use_ground false --extra_neg_conj all_pos --instantiation_flag false --out_options none --prep_sup_sim_all false --prep_sup_sim_sup true --preprocessed_out false --preprocessing_flag true --prolific_symb_bound 512 --proof_out true --prop_solver_per_cl 32 --resolution_flag false --schedule none --share_sel_clauses false --stats_out none --subs_bck_mult 16 --sup_bw_gjoin_interval 10000 --sup_cache_sim once --sup_full_bw "[]" --sup_full_fixpoint false --sup_full_fw "[]" --sup_fun_splitting false --sup_immed_bw_immed "[]" --sup_immed_bw_main "[]" --sup_immed_fixpoint false --sup_immed_fw_immed "[SubsumptionRes;Demod;LightNorm;ACJoinability;ACNormalisation;ACDemod]" --sup_immed_fw_main "[]" --sup_immed_triv "[]" --sup_indices_passive "[]" --sup_input_bw "[Subsumption;SubsumptionRes;FullSubsAndRes;ACDemod]" --sup_input_fixpoint false --sup_input_fw "[]" --sup_input_triv "[]" --sup_iter_deepening 2 --sup_main_fixpoint false --sup_ordering lpo --sup_passive_queue_type priority_queues --sup_passive_queues "[[-num_var];[-max_atom_input_occur;-conj_non_prolific_symb];[+conj_symb;+has_bound_constant]]" --sup_passive_queues_freq "[6;6;6]" --sup_prop_simpl_given false --sup_prop_simpl_new true --sup_restarts_mult 0 --sup_smt_interval 512 --sup_symb_ordering invfreq_arity --sup_term_weight default --sup_to_prop_solver none --sup_unprocessed_bound 500 --superposition_flag true --suppress_sat_res true --tptp_safe_out true --sat_out_model pos --clausifier res/vclausify_rel --clausifier_options "--mode tclausify -t 5.33 --show_fool true" --time_out_real 16.00 /export/starexec/sandbox/benchmark/theBenchmark.p 1>> /export/starexec/sandbox/tmp/iprover_out_kopx9hxa/zvtejcie 2>> /export/starexec/sandbox/tmp/iprover_out_kopx9hxa/zvtejcie_error
% 1.45/1.48 ERROR - "ProverProcess:heur/vip_64741:92.0" ran with exit code 2 and error: iprover.ml: Unexpected exception: Failure("undefined enum value")
% 1.45/1.48 Fatal error: exception Failure("undefined enum value")
% 1.45/1.48 ERROR - cmd was: ulimit -v 4023281; ./res/iproveropt --comb_inst_mult 3 --comb_mode clause_based --comb_res_mult 3 --comb_sup_deep_mult 2 --comb_sup_mult 8 --conj_cone_tolerance 3 --demod_completeness_check fast --demod_use_ground true --extra_neg_conj none --inst_activity_threshold 512 --inst_dismatching true --inst_eager_unprocessed_to_passive true --inst_eq_res_simp true --inst_learning_factor 2 --inst_learning_loop_flag true --inst_learning_start 2048 --inst_lit_activity_flag true --inst_lit_sel "[+split;-sign;-depth]" --inst_lit_sel_side none --inst_orphan_elimination true --inst_passive_queue_type queue --inst_passive_queues "[[+age;+num_lits;-age];[-age;-min_def_symb;+bc_imp_inh]]" --inst_passive_queues_freq "[2;2]" --inst_prop_sim_given true --inst_prop_sim_new false --inst_restr_to_given true --inst_sel_renew solver --inst_solver_calls_frac 1 --inst_solver_per_active 1024 --inst_sos_flag true --inst_sos_phase false --inst_sos_sth_lit_sel "[+split;-ground;-depth]" --inst_start_prop_sim_after_learn 3 --inst_subs_given true --inst_subs_new false --inst_to_smt_solver false --instantiation_flag true --out_options none --prep_sup_sim_all true --prep_sup_sim_sup false --preprocessed_out false --preprocessing_flag true --prolific_symb_bound 256 --proof_out true --prop_solver_per_cl 512 --res_to_smt_solver false --resolution_flag false --schedule none --share_sel_clauses true --stats_out none --subs_bck_mult 8 --sup_bw_gjoin_interval 0 --sup_cache_sim none --sup_full_bw "[Subsumption;SubsumptionRes;FullSubsAndRes;Demod]" --sup_full_fixpoint true --sup_full_fw "[SubsumptionRes;UnitSubsAndRes;FullSubsAndRes;LightNorm;ACNormalisation;GroundJoinability]" --sup_fun_splitting false --sup_immed_bw_immed "[Subsumption;SubsumptionRes;UnitSubsAndRes]" --sup_immed_bw_main "[SubsumptionRes;Demod]" --sup_immed_fixpoint false --sup_immed_fw_immed "[UnitSubsAndRes;ACNormalisation]" --sup_immed_fw_main "[UnitSubsAndRes;LightNorm;ACNormalisation]" --sup_immed_triv "[]" --sup_indices_passive "[FwDemod;LightNorm]" --sup_input_bw "[Subsumption;SubsumptionRes;UnitSubsAndRes;Demod;ACDemod]" --sup_input_fixpoint true --sup_input_fw "[Subsumption;UnitSubsAndRes;FullSubsAndRes;Demod;LightNorm;ACNormalisation;ACDemod;GroundJoinability]" --sup_input_triv "[Unflattening;SMTSimplify]" --sup_iter_deepening 2 --sup_main_fixpoint true --sup_ordering kbo --sup_passive_queue_type priority_queues --sup_passive_queues "[[-conj_dist;-num_symb];[+age;-num_symb];[+score;-num_symb]]" --sup_passive_queues_freq "[1;4;4]" --sup_prop_simpl_given true --sup_prop_simpl_new true --sup_restarts_mult 12 --sup_score sim_d_gen --sup_share_max_num_cl 500 --sup_share_score_frac 0.2 --sup_smt_interval 512 --sup_symb_ordering invfreq --sup_term_weight default --sup_to_prop_solver passive --sup_unprocessed_bound 0 --superposition_flag true --suppress_sat_res true --tptp_safe_out true --sat_out_model pos --clausifier res/vclausify_rel --clausifier_options "--mode tclausify -t 30.67 --show_fool true" --time_out_real 92.00 /export/starexec/sandbox/benchmark/theBenchmark.p 1>> /export/starexec/sandbox/tmp/iprover_out_kopx9hxa/a0li3gi7 2>> /export/starexec/sandbox/tmp/iprover_out_kopx9hxa/a0li3gi7_error
% 1.45/1.48 % SZS status Theorem for theBenchmark.p
% 1.45/1.48
% 1.45/1.48 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.45/1.48
% 1.45/1.48 % ------ iProver source info
% 1.45/1.48
% 1.45/1.48 % git: date: 2026-07-19 20:42:38 +0200
% 1.45/1.48 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.45/1.48 % git: non_committed_changes: false
% 1.45/1.48
% 1.45/1.48 % ------ Parsing...
% 1.45/1.48 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 1.45/1.48
% 1.45/1.48 % ------ Preprocessing... sup_sim: 2 sf_s rm: 1 0s sf_e pe_s pe_e %
% 1.45/1.48
% 1.45/1.48 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 1.45/1.48
% 1.45/1.48 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 1.45/1.48 % ------ Proving...
% 1.45/1.48 % ------ Problem Properties
% 1.45/1.48
% 1.45/1.48 %
% 1.45/1.48 % clauses 40
% 1.45/1.48 % conjectures 20
% 1.45/1.48 % EPR 6
% 1.45/1.48 % Horn 28
% 1.45/1.48 % unary 21
% 1.45/1.48 % binary 8
% 1.45/1.48 % lits 71
% 1.45/1.48 % lits eq 32
% 1.45/1.48 % fd_pure 0
% 1.45/1.48 % fd_pseudo 0
% 1.45/1.48 % fd_cond 3
% 1.45/1.48 % fd_pseudo_cond 2
% 1.45/1.48 % AC symbols 1
% 1.45/1.48
% 1.45/1.48 % ------ Input Options Time Limit: Unbounded
% 1.45/1.48
% 1.45/1.48
% 1.45/1.48 % ------
% 1.45/1.48 % Current options:
% 1.45/1.48 % ------
% 1.45/1.48
% 1.45/1.48
% 1.45/1.48 %
% 1.45/1.48
% 1.45/1.48 % ------ Proving...
% 1.45/1.48 %
% 1.45/1.48
% 1.45/1.48 % SZS status Theorem for theBenchmark.p
% 1.45/1.48
% 1.45/1.48 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.45/1.48
% 1.45/1.48
%------------------------------------------------------------------------------