%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : ARI027_1 : TPTP v9.3.1. Released v5.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n019.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 12:57:38 PM UTC 2026
% Result : Theorem 0.38s 1.17s
% Output : CNFRefutation 0.38s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named f9ERROR: Could not build tree for root c_419ERROR: MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
tff(type_def_1,type,
$bool: $tType ).
tff(f17,plain,
! [X0: $int] : $less(X0,-2),
inference(cnf_transformation,[],[f16]) ).
tcf(c_55,negated_conjecture,
! [X0_int: $int] : ~ $less(X0_int,X0_int),
inference(cnf_transformation,[],[f9]) ).
tcf(c_61,negated_conjecture,
! [X0_int: $int] : $less(X0_int,-2),
inference(cnf_transformation,[],[f17]) ).
tcf(c_417,plain,
$less(-2,-2),
inference(instantiation,[status(thm)],[c_61]) ).
tcf(c_418,plain,
~ $less(-2,-2),
inference(instantiation,[status(thm)],[c_55]) ).
tcf(c_419,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_418,c_417]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : ARI027_1 : TPTP v9.3.1. Released v5.0.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.11/0.37 % Computer : n019.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 05:57:18 UTC 2026
% 0.11/0.37 % CPUTime :
% 0.11/0.37 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.11/0.40 Running TFA theorem proving
% 0.11/0.40 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
% 0.11/0.41
% 0.11/0.41 % ======== iProver multi-core TPTP/SMT =========
% 0.11/0.41
% 0.11/0.41 % Detected problem language: tptp
% 0.11/0.43 % Proving...
% 0.38/1.17 % SZS status Started for theBenchmark.p
% 0.38/1.17 ERROR - "ProverProcess:heur/schedule_none:304.9999806880951" ran with exit code 2 and error: iprover.ml: Unexpected exception: Failure("undefined enum value")
% 0.38/1.17 Fatal error: exception Failure("undefined enum value")
% 0.38/1.17 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_5hyv6ebo/k4ycd54t 2>> /export/starexec/sandbox/tmp/iprover_out_5hyv6ebo/k4ycd54t_error
% 0.38/1.17 % SZS status Theorem for theBenchmark.p
% 0.38/1.17
% 0.38/1.17 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 0.38/1.17
% 0.38/1.17 % ------ iProver source info
% 0.38/1.17
% 0.38/1.17 % git: date: 2026-07-19 20:42:38 +0200
% 0.38/1.17 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 0.38/1.17 % git: non_committed_changes: false
% 0.38/1.17
% 0.38/1.17 % ------ Parsing...
% 0.38/1.17 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 0.38/1.17
% 0.38/1.17 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe_e %
% 0.38/1.17
% 0.38/1.17 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 0.38/1.17
% 0.38/1.17 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 0.38/1.17 % ------ Proving...
% 0.38/1.17 % ------ Problem Properties
% 0.38/1.17
% 0.38/1.17 %
% 0.38/1.17 % clauses 15
% 0.38/1.17 % conjectures 11
% 0.38/1.17 % EPR 6
% 0.38/1.17 % Horn 13
% 0.38/1.17 % unary 10
% 0.38/1.17 % binary 3
% 0.38/1.17 % lits 22
% 0.38/1.17 % lits eq 7
% 0.38/1.17 % fd_pure 0
% 0.38/1.17 % fd_pseudo 0
% 0.38/1.17 % fd_cond 0
% 0.38/1.17 % fd_pseudo_cond 1
% 0.38/1.17 % AC symbols 1
% 0.38/1.17
% 0.38/1.17 % ------ Input Options Time Limit: Unbounded
% 0.38/1.17
% 0.38/1.17
% 0.38/1.17 % ------
% 0.38/1.17 % Current options:
% 0.38/1.17 % ------
% 0.38/1.17
% 0.38/1.17
% 0.38/1.17 %
% 0.38/1.17
% 0.38/1.17 % ------ Proving...
% 0.38/1.17 %
% 0.38/1.17
% 0.38/1.17 % SZS status Theorem for theBenchmark.p
% 0.38/1.17
% 0.38/1.17 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.38/1.17
% 0.38/1.17
%------------------------------------------------------------------------------