%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : ARI735_1 : TPTP v9.3.1. Released v6.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% Computer : n011.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 12:58:42 PM UTC 2026
% Result : Theorem 0.37s 1.37s
% Output : CNFRefutation 0.37s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named f16ERROR: Could not build tree for root c_151ERROR: MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
tff(type_def_1,type,
$bool: $tType ).
tff(func_def_5,type,
sK0: $int ).
tff(f17,plain,
? [X0: $int] :
( ~ $less(X0,0)
& ( X0 != 0 )
& ! [X1: $int] :
( $less(X1,0)
| ( $sum(X0,$uminus(1)) != X1 ) ) ),
inference(ennf_transformation,[],[f16]) ).
tff(f18,plain,
? [X0: $int] :
( ~ $less(X0,0)
& ( X0 != 0 )
& ! [X1: $int] :
( $less(X1,0)
| ( $sum(X0,$uminus(1)) != X1 ) ) ),
inference(flattening,[],[f17]) ).
tff(f19,plain,
( ~ $less(sK0,0)
& ( 0 != sK0 )
& ! [X1: $int] :
( $less(X1,0)
| ( $sum(sK0,$uminus(1)) != X1 ) ) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0]),skolemize(X0,sK0)],[f18]) ).
tff(f20,plain,
~ $less(sK0,0),
inference(cnf_transformation,[],[f19]) ).
tff(f21,plain,
0 != sK0,
inference(cnf_transformation,[],[f19]) ).
tcf(c_55,negated_conjecture,
! [X0_int: $int] : ~ $less(X0_int,X0_int),
inference(cnf_transformation,[],[f9]) ).
tcf(c_62,negated_conjecture,
sK0 != 0,
inference(cnf_transformation,[],[f21]) ).
tcf(c_63,negated_conjecture,
~ $less(sK0,0),
inference(cnf_transformation,[],[f20]) ).
tcf(c_64,plain,
$less(0,1),
theory(arith) ).
tcf(c_151,plain,
$false,
inference(smt_impl_just,[status(thm)],[c_64,c_63,c_62,c_55]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : ARI735_1 : TPTP v9.3.1. Released v6.4.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.11/0.57 % Computer : n011.cluster.edu
% 0.11/0.57 % Model : x86_64 x86_64
% 0.11/0.57 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.57 % Memory : 8046.5625MB
% 0.11/0.57 % OS : Linux 6.8.0-71-generic
% 0.11/0.57 % CPULimit : 300
% 0.11/0.57 % WCLimit : 300
% 0.11/0.57 % DateTime : Fri Sep 25 06:23:45 UTC 2026
% 0.11/0.57 % CPUTime :
% 0.11/0.57 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.11/0.60 Running TFA theorem proving
% 0.11/0.60 Running: /export/starexec/sandbox2/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s tfa_schedule -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.11/0.61
% 0.11/0.61 % ======== iProver multi-core TPTP/SMT =========
% 0.11/0.61
% 0.11/0.61 % Detected problem language: tptp
% 0.14/0.63 % Proving...
% 0.37/1.37 % SZS status Started for theBenchmark.p
% 0.37/1.37 ERROR - "ProverProcess:heur/schedule_none:304.99996614456177" ran with exit code 2 and error: iprover.ml: Unexpected exception: Failure("undefined enum value")
% 0.37/1.37 Fatal error: exception Failure("undefined enum value")
% 0.37/1.37 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/sandbox2/benchmark/theBenchmark.p 1>> /export/starexec/sandbox2/tmp/iprover_out_mvxi1lyp/sl4m9uss 2>> /export/starexec/sandbox2/tmp/iprover_out_mvxi1lyp/sl4m9uss_error
% 0.37/1.37 % SZS status Theorem for theBenchmark.p
% 0.37/1.37
% 0.37/1.37 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 0.37/1.37
% 0.37/1.37 % ------ iProver source info
% 0.37/1.37
% 0.37/1.37 % git: date: 2026-07-19 20:42:38 +0200
% 0.37/1.37 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 0.37/1.37 % git: non_committed_changes: false
% 0.37/1.37
% 0.37/1.37 % ------ Parsing...
% 0.37/1.37 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 0.37/1.37
% 0.37/1.37 % ------ Preprocessing...%
% 0.37/1.37
% 0.37/1.37 % SZS status Theorem for theBenchmark.p
% 0.37/1.37
% 0.37/1.37 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.37/1.37
% 0.37/1.37
%------------------------------------------------------------------------------