%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : MGT045-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n008.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 02:12:54 PM UTC 2026
% Result : Unsatisfiable 1.97s 11.52s
% Output : CNFRefutation 1.97s
% Verified :
% SZS Type : Refutation
% Derivation depth : 10
% Number of leaves : 9
% Syntax : Number of formulae : 28 ( 13 unt; 4 def)
% Number of atoms : 68 ( 6 equ)
% Maximal formula atoms : 3 ( 2 avg)
% Number of connectives : 45 ( 24 ~; 21 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 3 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 8 ( 6 usr; 5 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 3 con; 0-2 aty)
% Number of variables : 29 ( 0 sgn 29 !; 0 ?; 23 :)
% Comments :
%------------------------------------------------------------------------------
fof(f12,axiom,
! [X2,X0,X1] :
( greater(position(X0,X1),position(X0,X2))
| ~ greater(external_ties(X0,X1),external_ties(X0,X2))
| ~ organization(X0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',assumption_6_30) ).
fof(f14,axiom,
! [X2,X0,X1] :
( greater(external_ties(X0,X1),external_ties(X0,X2))
| ~ greater(age(X0,X1),age(X0,X2))
| ~ organization(X0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',assumption_8_32) ).
fof(f15,negated_conjecture,
organization(sk1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',lemma_4_33) ).
fof(f16,negated_conjecture,
greater(age(sk1,sk3),age(sk1,sk2)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',lemma_4_34) ).
fof(f17,negated_conjecture,
~ greater(position(sk1,sk3),position(sk1,sk2)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',lemma_4_35) ).
tcf(c_77,plain,
! [X0: $i,X1: $i,X2: $i] :
( greater(position(X0,X1),position(X0,X2))
| ~ organization(X0)
| ~ greater(external_ties(X0,X1),external_ties(X0,X2)) ),
inference(cnf_transformation,[],[f12]) ).
tcf(c_79,plain,
! [X0: $i,X1: $i,X2: $i] :
( greater(external_ties(X0,X1),external_ties(X0,X2))
| ~ organization(X0)
| ~ greater(age(X0,X1),age(X0,X2)) ),
inference(cnf_transformation,[],[f14]) ).
tcf(c_80,negated_conjecture,
organization(sk1),
inference(cnf_transformation,[],[f15]) ).
tcf(c_81,negated_conjecture,
greater(age(sk1,sk3),age(sk1,sk2)),
inference(cnf_transformation,[],[f16]) ).
tcf(c_82,negated_conjecture,
~ greater(position(sk1,sk3),position(sk1,sk2)),
inference(cnf_transformation,[],[f17]) ).
tcf(c_258,plain,
! [X0: $i,X1: $i,X2: $i] :
( greater(external_ties(X0,X1),external_ties(X0,X2))
| ~ greater(age(X0,X1),age(X0,X2))
| ( X0 != sk1 ) ),
inference(resolution_lifted,[status(thm)],[c_79,c_80]) ).
tcf(c_259,plain,
! [X0: $i,X1: $i] :
( greater(external_ties(sk1,X0),external_ties(sk1,X1))
| ~ greater(age(sk1,X0),age(sk1,X1)) ),
inference(unflattening,[status(thm)],[c_258]) ).
tcf(c_276,plain,
! [X0: $i,X1: $i,X2: $i] :
( greater(position(X0,X1),position(X0,X2))
| ~ greater(external_ties(X0,X1),external_ties(X0,X2))
| ( X0 != sk1 ) ),
inference(resolution_lifted,[status(thm)],[c_77,c_80]) ).
tcf(c_277,plain,
! [X0: $i,X1: $i] :
( greater(position(sk1,X0),position(sk1,X1))
| ~ greater(external_ties(sk1,X0),external_ties(sk1,X1)) ),
inference(unflattening,[status(thm)],[c_276]) ).
tcf(c_356,definition,
iPr_def_10 = position(sk1,sk3),
introduced(definition,[new_symbols(definition,[iPr_def_10])],[]) ).
tcf(c_357,definition,
iPr_def_11 = position(sk1,sk2),
introduced(definition,[new_symbols(definition,[iPr_def_11])],[]) ).
tcf(c_358,definition,
iPr_def_12 = age(sk1,sk3),
introduced(definition,[new_symbols(definition,[iPr_def_12])],[]) ).
tcf(c_359,definition,
iPr_def_13 = age(sk1,sk2),
introduced(definition,[new_symbols(definition,[iPr_def_13])],[]) ).
tcf(c_360,plain,
! [X0: $i,X1: $i] :
( greater(position(sk1,X0),position(sk1,X1))
| ~ greater(external_ties(sk1,X0),external_ties(sk1,X1)) ),
inference(demodulation,[status(thm)],[c_277]) ).
tcf(c_362,plain,
! [X0: $i,X1: $i] :
( greater(external_ties(sk1,X0),external_ties(sk1,X1))
| ~ greater(age(sk1,X0),age(sk1,X1)) ),
inference(demodulation,[status(thm)],[c_259]) ).
tcf(c_363,negated_conjecture,
~ greater(iPr_def_10,iPr_def_11),
inference(demodulation,[status(thm)],[c_82,c_357,c_356]) ).
tcf(c_364,negated_conjecture,
greater(iPr_def_12,iPr_def_13),
inference(demodulation,[status(thm)],[c_81,c_359,c_358]) ).
tcf(c_535,plain,
! [X0: $i] :
( greater(external_ties(sk1,sk3),external_ties(sk1,X0))
| ~ greater(iPr_def_12,age(sk1,X0)) ),
inference(superposition,[status(thm)],[c_358,c_362]) ).
tcf(c_708,plain,
! [X0: $i] :
( greater(position(sk1,sk3),position(sk1,X0))
| ~ greater(iPr_def_12,age(sk1,X0)) ),
inference(superposition,[status(thm)],[c_535,c_360]) ).
tcf(c_709,plain,
! [X0: $i] :
( greater(iPr_def_10,position(sk1,X0))
| ~ greater(iPr_def_12,age(sk1,X0)) ),
inference(light_normalisation,[status(thm)],[c_708,c_356]) ).
tcf(c_2023,plain,
( greater(iPr_def_10,position(sk1,sk2))
| ~ greater(iPr_def_12,iPr_def_13) ),
inference(superposition,[status(thm)],[c_359,c_709]) ).
tcf(c_2024,plain,
( greater(iPr_def_10,iPr_def_11)
| ~ greater(iPr_def_12,iPr_def_13) ),
inference(light_normalisation,[status(thm)],[c_2023,c_357]) ).
tcf(c_2025,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_2024,c_363,c_364]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : MGT045-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.11/10.61 % Computer : n008.cluster.edu
% 0.11/10.61 % Model : x86_64 x86_64
% 0.11/10.61 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/10.61 % Memory : 8046.5625MB
% 0.11/10.61 % OS : Linux 6.8.0-71-generic
% 0.11/10.61 % CPULimit : 300
% 0.11/10.61 % WCLimit : 300
% 0.11/10.61 % DateTime : Thu Sep 24 01:12:41 UTC 2026
% 0.11/10.61 % CPUTime :
% 0.11/10.61 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.11/10.64 Running first-order theorem proving
% 0.11/10.64 Running: /export/starexec/sandbox/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s fof_schedule -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.11/10.66
% 0.11/10.66 % ======== iProver multi-core TPTP/SMT =========
% 0.11/10.66
% 0.11/10.66 % Detected problem language: tptp
% 0.11/10.67 % Proving...
% 1.97/11.52 % SZS status Started for theBenchmark.p
% 1.97/11.52 % SZS status Unsatisfiable for theBenchmark.p
% 1.97/11.52
% 1.97/11.52 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.97/11.52
% 1.97/11.52 % ------ iProver source info
% 1.97/11.52
% 1.97/11.52 % git: date: 2026-07-19 20:42:38 +0200
% 1.97/11.52 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.97/11.52 % git: non_committed_changes: false
% 1.97/11.52
% 1.97/11.52 % ------ Parsing...% successful
% 1.97/11.52
% 1.97/11.52
% 1.97/11.52 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 1.97/11.52
% 1.97/11.52 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe:1:0s pe:2:0s pe:4:0s pe_e sup_sim: 0 sf_s rm: 2 0s sf_e pe_s pe_e %
% 1.97/11.52
% 1.97/11.52 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 1.97/11.52
% 1.97/11.52 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 1.97/11.52 % ------ Proving...
% 1.97/11.52 % ------ Problem Properties
% 1.97/11.52
% 1.97/11.52 %
% 1.97/11.52 % clauses 12
% 1.97/11.52 % conjectures 2
% 1.97/11.52 % EPR 5
% 1.97/11.52 % Horn 11
% 1.97/11.52 % unary 6
% 1.97/11.52 % binary 4
% 1.97/11.52 % lits 20
% 1.97/11.52 % lits eq 7
% 1.97/11.52 % fd_pure 0
% 1.97/11.52 % fd_pseudo 0
% 1.97/11.52 % fd_cond 0
% 1.97/11.52 % fd_pseudo_cond 1
% 1.97/11.52 % AC symbols 0
% 1.97/11.52
% 1.97/11.52 % ------ Schedule dynamic 5 is on
% 1.97/11.52
% 1.97/11.52 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.97/11.52
% 1.97/11.52
% 1.97/11.52 % ------
% 1.97/11.52 % Current options:
% 1.97/11.52 % ------
% 1.97/11.52
% 1.97/11.52
% 1.97/11.52 %
% 1.97/11.52
% 1.97/11.52 % ------ Proving...
% 1.97/11.52 %
% 1.97/11.52
% 1.97/11.52 % SZS status Unsatisfiable for theBenchmark.p
% 1.97/11.52
% 1.97/11.52 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.97/11.52
% 1.97/11.52
%------------------------------------------------------------------------------