%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : CSR051-10 : TPTP v9.3.1. Released v7.3.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n016.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 01:10:13 PM UTC 2026
% Result : Unsatisfiable 104.47s 18.90s
% Output : CNFRefutation 104.47s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 6
% Syntax : Number of formulae : 20 ( 20 unt; 0 def)
% Number of atoms : 20 ( 19 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 2 ( 2 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 2 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 9 ( 9 usr; 5 con; 0-4 aty)
% Number of variables : 15 ( 0 sgn 15 !; 0 ?; 7 :)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X2,X0,X1] : ifeq4(X0,X0,X1,X2) = X1,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',ifeq_axiom) ).
fof(f2,axiom,
! [X2,X0,X1] : ifeq3(X0,X0,X1,X2) = X1,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',ifeq_axiom_001) ).
fof(f790,axiom,
ifeq4(mtvisible(c_tptp_member3356_mt),true,marriagelicensedocument(c_tptpmarriagelicensedocument),true) = true,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax2_395) ).
fof(f791,plain,
true = ifeq4(mtvisible(c_tptp_member3356_mt),true,marriagelicensedocument(c_tptpmarriagelicensedocument),true),
inference(reorient_equations,[],[f790]) ).
fof(f15866,negated_conjecture,
mtvisible(c_tptp_member3356_mt) = true,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',query151) ).
fof(f15867,plain,
true = mtvisible(c_tptp_member3356_mt),
inference(reorient_equations,[],[f15866]) ).
fof(f16016,negated_conjecture,
! [X0] : ifeq3(marriagelicensedocument(X0),true,a,b) = b,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',query151_1) ).
fof(f16017,plain,
! [X0] : b = ifeq3(marriagelicensedocument(X0),true,a,b),
inference(reorient_equations,[],[f16016]) ).
fof(f16018,negated_conjecture,
a != b,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',goal) ).
tcf(c_8061,plain,
! [X0: $i,X1: $i,X2: $i] : ifeq4(X0,X0,X1,X2) = X1,
inference(cnf_transformation,[],[f1]) ).
tcf(c_8062,plain,
! [X0: $i,X1: $i,X2: $i] : ifeq3(X0,X0,X1,X2) = X1,
inference(cnf_transformation,[],[f2]) ).
tcf(c_8458,plain,
ifeq4(mtvisible(c_tptp_member3356_mt),true,marriagelicensedocument(c_tptpmarriagelicensedocument),true) = true,
inference(cnf_transformation,[],[f791]) ).
tcf(c_15996,negated_conjecture,
mtvisible(c_tptp_member3356_mt) = true,
inference(cnf_transformation,[],[f15867]) ).
tcf(c_16071,negated_conjecture,
! [X0: $i] : ifeq3(marriagelicensedocument(X0),true,a,b) = b,
inference(cnf_transformation,[],[f16017]) ).
tcf(c_16072,negated_conjecture,
a != b,
inference(cnf_transformation,[],[f16018]) ).
tcf(c_35057,plain,
ifeq4(true,true,marriagelicensedocument(c_tptpmarriagelicensedocument),true) = true,
inference(light_normalisation,[status(thm)],[c_8458,c_15996]) ).
tcf(c_35058,plain,
marriagelicensedocument(c_tptpmarriagelicensedocument) = true,
inference(demodulation,[status(thm)],[c_35057,c_8061]) ).
tcf(c_67520,plain,
ifeq3(true,true,a,b) = b,
inference(superposition,[status(thm)],[c_35058,c_16071]) ).
tcf(c_67521,plain,
a = b,
inference(demodulation,[status(thm)],[c_67520,c_8062]) ).
tcf(c_67522,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_67521,c_16072]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : CSR051-10 : TPTP v9.3.1. Released v7.3.0.
% 0.00/0.05 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.11/0.37 % Computer : n016.cluster.edu
% 0.11/0.37 % Model : x86_64 x86_64
% 0.11/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.37 % Memory : 8046.5625MB
% 0.11/0.37 % OS : Linux 6.8.0-71-generic
% 0.11/0.37 % CPULimit : 300
% 0.11/0.37 % WCLimit : 300
% 0.11/0.37 % DateTime : Fri Sep 25 08:40:29 UTC 2026
% 0.11/0.37 % CPUTime :
% 0.11/0.37 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.11/0.41 Running UEQ theorem proving
% 0.11/0.41 Running: /export/starexec/sandbox/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s ueq_schedule -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.11/0.43
% 0.11/0.43 % ======== iProver multi-core TPTP/SMT =========
% 0.11/0.43
% 0.11/0.43 % Detected problem language: tptp
% 0.11/0.44 % Proving...
% 104.47/18.89 WARNING - Clausifier option not provided in the heuristic config "heur/vip2_118404", setting default options.
% 104.47/18.89 % SZS status Started for theBenchmark.p
% 104.47/18.89 ERROR - "ProverProcess:heur/vip2_120438:1.0" ran with exit code 2 and error: iprover.ml: Unexpected exception: Failure("Clausification error: res/vclausify_rel exits with an error status: 1")
% 104.47/18.89 Fatal error: exception Failure("Clausification error: res/vclausify_rel exits with an error status: 1")
% 104.47/18.89 ERROR - cmd was: ulimit -v 4023281; ./res/iproveropt --comb_mode clause_based --comb_sup_deep_mult 44 --comb_sup_mult 53 --conj_cone_tolerance 3.8778867882329138 --demod_completeness_check fastold --demod_use_ground true --extra_neg_conj all_pos_neg --instantiation_flag false --out_options none --prep_eq_flat_all_gr false --prep_eq_flat_conj true --prep_sup_sim_all false --prep_sup_sim_sup false --prep_unflatten false --preprocessed_out false --preprocessing_flag true --prolific_symb_bound 30984 --proof_out true --prop_solver_per_cl 22076 --resolution_flag false --schedule none --share_sel_clauses false --smt_ac_axioms full --stats_out none --sub_typing true --subs_bck_mult 20 --sup_bw_gjoin_interval 5766 --sup_cache_sim all --sup_full_bw "[UnitSubsAndRes;FullSubsAndRes;Demod;ACDemod]" --sup_full_fixpoint true --sup_full_fw "[LightNorm;GroundJoinability]" --sup_fun_splitting true --sup_immed_bw_immed "[]" --sup_immed_bw_main "[]" --sup_immed_fixpoint false --sup_immed_fw_immed "[Subsumption;FullSubsAndRes;Demod;LightNorm;ACDemod]" --sup_immed_fw_main "[]" --sup_immed_triv "[]" --sup_indices_passive "[]" --sup_input_fixpoint false --sup_iter_deepening 12 --sup_main_fixpoint true --sup_ordering lpo --sup_passive_queue_type queue --sup_passive_queues "[[-bc_imp_inh;+conj_symb];[+max_atom_input_occur;-num_var;+ground]]" --sup_passive_queues_freq "[761;1011]" --sup_prop_simpl_given false --sup_prop_simpl_new true --sup_restarts_mult 7 --sup_smt_interval 46016 --sup_symb_ordering arity --sup_term_weight default --sup_to_prop_solver passive --sup_unprocessed_bound 9794 --superposition_flag true --suppress_sat_res true --tptp_safe_out true --sat_out_model pos --clausifier res/vclausify_rel --clausifier_options "--mode clausify -t 0.33" --time_out_real 1.00 /export/starexec/sandbox/benchmark/theBenchmark.p 1>> /export/starexec/sandbox/tmp/iprover_out_1fi5yjxd/os4l0orw 2>> /export/starexec/sandbox/tmp/iprover_out_1fi5yjxd/os4l0orw_error
% 104.47/18.90 % SZS status Unsatisfiable for theBenchmark.p
% 104.47/18.90
% 104.47/18.90 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 104.47/18.90
% 104.47/18.90 % ------ iProver source info
% 104.47/18.90
% 104.47/18.90 % git: date: 2026-07-19 20:42:38 +0200
% 104.47/18.90 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 104.47/18.90 % git: non_committed_changes: false
% 104.47/18.90
% 104.47/18.90 % ------ Parsing...% successful
% 104.47/18.90
% 104.47/18.90
% 104.47/18.90 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 104.47/18.90
% 104.47/18.90 % ------ Preprocessing... sup_sim: 8 sf_s rm: 0 0s sf_e pe_s pe_e sup_sim: 0 sf_s rm: 0 0s sf_e pe_s pe_e %
% 104.47/18.90
% 104.47/18.90 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 104.47/18.90
% 104.47/18.90 % ------ Preprocessing... sf_s rm: 0 0s sf_e
% 104.47/18.90 % ------ Proving...
% 104.47/18.90 % ------ Problem Properties
% 104.47/18.90
% 104.47/18.90 %
% 104.47/18.90 % clauses 7350
% 104.47/18.90 % conjectures 3
% 104.47/18.90 % EPR 1
% 104.47/18.90 % Horn 7350
% 104.47/18.90 % unary 7350
% 104.47/18.90 % binary 0
% 104.47/18.90 % lits 7350
% 104.47/18.90 % lits eq 7350
% 104.47/18.90 % fd_pure 0
% 104.47/18.90 % fd_pseudo 0
% 104.47/18.90 % fd_cond 0
% 104.47/18.90 % fd_pseudo_cond 0
% 104.47/18.90 % AC symbols 0
% 104.47/18.90
% 104.47/18.90 % ------ Input Options Time Limit: Unbounded
% 104.47/18.90
% 104.47/18.90
% 104.47/18.90 % ------
% 104.47/18.90 % Current options:
% 104.47/18.90 % ------
% 104.47/18.90
% 104.47/18.90
% 104.47/18.90 %
% 104.47/18.90
% 104.47/18.90 % ------ Proving...
% 104.47/18.90 %
% 104.47/18.90
% 104.47/18.90 % SZS status Unsatisfiable for theBenchmark.p
% 104.47/18.90
% 104.47/18.90 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 104.47/18.90
% 104.47/18.90
%------------------------------------------------------------------------------