%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : MGT048-1 : 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 : n004.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 02:12:55 PM UTC 2026
% Result : Unsatisfiable 2.59s 1.30s
% Output : CNFRefutation 2.59s
% Verified :
% SZS Type : Refutation
% Derivation depth : 13
% Number of leaves : 11
% Syntax : Number of formulae : 39 ( 16 unt; 4 def)
% Number of atoms : 94 ( 15 equ)
% Maximal formula atoms : 4 ( 2 avg)
% Number of connectives : 75 ( 39 ~; 36 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 4 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 : 10 ( 8 usr; 5 prp; 0-2 aty)
% Number of functors : 7 ( 7 usr; 3 con; 0-2 aty)
% Number of variables : 53 ( 0 sgn 53 !; 0 ?; 41 :)
% Comments :
%------------------------------------------------------------------------------
fof(f3,axiom,
! [X0,X1] :
( smaller_or_equal(X0,X1)
| X0 != X1 ),
file('/export/starexec/sandbox/benchmark/Axioms/MGT001-0.ax',definition_smaller_or_equal_3) ).
fof(f13,axiom,
! [X2,X0,X1] :
( smaller(capability(X0,X1),capability(X0,X2))
| ~ greater(internal_friction(X0,X1),internal_friction(X0,X2))
| ~ smaller_or_equal(stock_of_knowledge(X0,X1),stock_of_knowledge(X0,X2))
| ~ organization(X0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',assumption_5_33) ).
fof(f15,axiom,
! [X2,X0,X1] :
( stock_of_knowledge(X0,X1) = stock_of_knowledge(X0,X2)
| ~ organization(X0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',assumption_10_35) ).
fof(f16,axiom,
! [X2,X0,X1] :
( greater(internal_friction(X0,X1),internal_friction(X0,X2))
| ~ greater(age(X0,X1),age(X0,X2))
| ~ organization(X0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',assumption_12_36) ).
fof(f17,negated_conjecture,
organization(sk1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',lemma_5_37) ).
fof(f18,negated_conjecture,
greater(age(sk1,sk3),age(sk1,sk2)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',lemma_5_38) ).
fof(f19,negated_conjecture,
~ smaller(capability(sk1,sk3),capability(sk1,sk2)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',lemma_5_39) ).
fof(f20,plain,
! [X1] : smaller_or_equal(X1,X1),
inference(equality_resolution,[],[f3]) ).
tcf(c_70,plain,
! [X0: $i] : smaller_or_equal(X0,X0),
inference(cnf_transformation,[],[f20]) ).
tcf(c_80,plain,
! [X0: $i,X1: $i,X2: $i] :
( smaller(capability(X0,X1),capability(X0,X2))
| ~ organization(X0)
| ~ smaller_or_equal(stock_of_knowledge(X0,X1),stock_of_knowledge(X0,X2))
| ~ greater(internal_friction(X0,X1),internal_friction(X0,X2)) ),
inference(cnf_transformation,[],[f13]) ).
tcf(c_82,plain,
! [X0: $i,X1: $i,X2: $i] :
( ( stock_of_knowledge(X0,X1) = stock_of_knowledge(X0,X2) )
| ~ organization(X0) ),
inference(cnf_transformation,[],[f15]) ).
tcf(c_83,plain,
! [X0: $i,X1: $i,X2: $i] :
( greater(internal_friction(X0,X1),internal_friction(X0,X2))
| ~ organization(X0)
| ~ greater(age(X0,X1),age(X0,X2)) ),
inference(cnf_transformation,[],[f16]) ).
tcf(c_84,negated_conjecture,
organization(sk1),
inference(cnf_transformation,[],[f17]) ).
tcf(c_85,negated_conjecture,
greater(age(sk1,sk3),age(sk1,sk2)),
inference(cnf_transformation,[],[f18]) ).
tcf(c_86,negated_conjecture,
~ smaller(capability(sk1,sk3),capability(sk1,sk2)),
inference(cnf_transformation,[],[f19]) ).
tcf(c_285,plain,
! [X0: $i,X1: $i,X2: $i] :
( greater(internal_friction(X0,X1),internal_friction(X0,X2))
| ~ greater(age(X0,X1),age(X0,X2))
| ( X0 != sk1 ) ),
inference(resolution_lifted,[status(thm)],[c_83,c_84]) ).
tcf(c_286,plain,
! [X0: $i,X1: $i] :
( greater(internal_friction(sk1,X0),internal_friction(sk1,X1))
| ~ greater(age(sk1,X0),age(sk1,X1)) ),
inference(unflattening,[status(thm)],[c_285]) ).
tcf(c_294,plain,
! [X0: $i,X1: $i,X2: $i] :
( ( stock_of_knowledge(X0,X1) = stock_of_knowledge(X0,X2) )
| ( X0 != sk1 ) ),
inference(resolution_lifted,[status(thm)],[c_82,c_84]) ).
tcf(c_295,plain,
! [X0: $i,X1: $i] : stock_of_knowledge(sk1,X0) = stock_of_knowledge(sk1,X1),
inference(unflattening,[status(thm)],[c_294]) ).
tcf(c_300,plain,
! [X0: $i,X1: $i,X2: $i] :
( smaller(capability(X0,X1),capability(X0,X2))
| ~ smaller_or_equal(stock_of_knowledge(X0,X1),stock_of_knowledge(X0,X2))
| ~ greater(internal_friction(X0,X1),internal_friction(X0,X2))
| ( X0 != sk1 ) ),
inference(resolution_lifted,[status(thm)],[c_80,c_84]) ).
tcf(c_301,plain,
! [X0: $i,X1: $i] :
( smaller(capability(sk1,X0),capability(sk1,X1))
| ~ smaller_or_equal(stock_of_knowledge(sk1,X0),stock_of_knowledge(sk1,X1))
| ~ greater(internal_friction(sk1,X0),internal_friction(sk1,X1)) ),
inference(unflattening,[status(thm)],[c_300]) ).
tcf(c_363,plain,
! [X0: $i,X1: $i,X2: $i] :
( smaller(capability(sk1,X0),capability(sk1,X2))
| ~ greater(internal_friction(sk1,X0),internal_friction(sk1,X2))
| ( stock_of_knowledge(sk1,X2) != X1 )
| ( stock_of_knowledge(sk1,X0) != X1 ) ),
inference(resolution_lifted,[status(thm)],[c_70,c_301]) ).
tcf(c_364,plain,
! [X0: $i,X1: $i] :
( smaller(capability(sk1,X1),capability(sk1,X0))
| ~ greater(internal_friction(sk1,X1),internal_friction(sk1,X0))
| ( stock_of_knowledge(sk1,X0) != stock_of_knowledge(sk1,X1) ) ),
inference(unflattening,[status(thm)],[c_363]) ).
tcf(c_366,plain,
! [X0: $i,X1: $i] :
( smaller(capability(sk1,X1),capability(sk1,X0))
| ~ greater(internal_friction(sk1,X1),internal_friction(sk1,X0)) ),
inference(global_subsumption_just,[status(thm)],[c_364,c_295,c_364]) ).
tcf(c_367,plain,
! [X0: $i,X1: $i] :
( smaller(capability(sk1,X0),capability(sk1,X1))
| ~ greater(internal_friction(sk1,X0),internal_friction(sk1,X1)) ),
inference(renaming,[status(thm)],[c_366]) ).
tcf(c_701,definition,
iPr_def_10 = capability(sk1,sk3),
introduced(definition,[new_symbols(definition,[iPr_def_10])],[]) ).
tcf(c_702,definition,
iPr_def_11 = capability(sk1,sk2),
introduced(definition,[new_symbols(definition,[iPr_def_11])],[]) ).
tcf(c_703,definition,
iPr_def_12 = age(sk1,sk3),
introduced(definition,[new_symbols(definition,[iPr_def_12])],[]) ).
tcf(c_704,definition,
iPr_def_13 = age(sk1,sk2),
introduced(definition,[new_symbols(definition,[iPr_def_13])],[]) ).
tcf(c_706,plain,
! [X0: $i,X1: $i] :
( smaller(capability(sk1,X0),capability(sk1,X1))
| ~ greater(internal_friction(sk1,X0),internal_friction(sk1,X1)) ),
inference(demodulation,[status(thm)],[c_367]) ).
tcf(c_709,plain,
! [X0: $i,X1: $i] :
( greater(internal_friction(sk1,X0),internal_friction(sk1,X1))
| ~ greater(age(sk1,X0),age(sk1,X1)) ),
inference(demodulation,[status(thm)],[c_286]) ).
tcf(c_711,negated_conjecture,
~ smaller(iPr_def_10,iPr_def_11),
inference(demodulation,[status(thm)],[c_86,c_702,c_701]) ).
tcf(c_712,negated_conjecture,
greater(iPr_def_12,iPr_def_13),
inference(demodulation,[status(thm)],[c_85,c_704,c_703]) ).
tcf(c_1003,plain,
! [X0: $i] :
( greater(internal_friction(sk1,sk3),internal_friction(sk1,X0))
| ~ greater(iPr_def_12,age(sk1,X0)) ),
inference(superposition,[status(thm)],[c_703,c_709]) ).
tcf(c_1056,plain,
! [X0: $i] :
( smaller(capability(sk1,sk3),capability(sk1,X0))
| ~ greater(iPr_def_12,age(sk1,X0)) ),
inference(superposition,[status(thm)],[c_1003,c_706]) ).
tcf(c_1057,plain,
! [X0: $i] :
( smaller(iPr_def_10,capability(sk1,X0))
| ~ greater(iPr_def_12,age(sk1,X0)) ),
inference(light_normalisation,[status(thm)],[c_1056,c_701]) ).
tcf(c_1570,plain,
( smaller(iPr_def_10,capability(sk1,sk2))
| ~ greater(iPr_def_12,iPr_def_13) ),
inference(superposition,[status(thm)],[c_704,c_1057]) ).
tcf(c_1571,plain,
( smaller(iPr_def_10,iPr_def_11)
| ~ greater(iPr_def_12,iPr_def_13) ),
inference(light_normalisation,[status(thm)],[c_1570,c_702]) ).
tcf(c_1572,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_1571,c_711,c_712]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : MGT048-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.11/0.37 % Computer : n004.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 : Thu Sep 24 01:12:05 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 first-order theorem proving
% 0.11/0.41 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
% 0.11/0.42
% 0.11/0.42 % ======== iProver multi-core TPTP/SMT =========
% 0.11/0.42
% 0.11/0.43 % Detected problem language: tptp
% 0.11/0.44 % Proving...
% 2.59/1.30 % SZS status Started for theBenchmark.p
% 2.59/1.30 % SZS status Unsatisfiable for theBenchmark.p
% 2.59/1.30
% 2.59/1.30 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 2.59/1.30
% 2.59/1.30 % ------ iProver source info
% 2.59/1.30
% 2.59/1.30 % git: date: 2026-07-19 20:42:38 +0200
% 2.59/1.30 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 2.59/1.30 % git: non_committed_changes: false
% 2.59/1.30
% 2.59/1.30 % ------ Parsing...% successful
% 2.59/1.30
% 2.59/1.30
% 2.59/1.30 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 2.59/1.30
% 2.59/1.30 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe:1:0s pe:2:0s pe_e sup_sim: 0 sf_s rm: 3 0s sf_e pe_s pe_e %
% 2.59/1.30
% 2.59/1.30 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 2.59/1.30
% 2.59/1.30 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 2.59/1.30 % ------ Proving...
% 2.59/1.30 % ------ Problem Properties
% 2.59/1.30
% 2.59/1.30 %
% 2.59/1.30 % clauses 17
% 2.59/1.30 % conjectures 2
% 2.59/1.30 % EPR 7
% 2.59/1.30 % Horn 16
% 2.59/1.30 % unary 7
% 2.59/1.30 % binary 6
% 2.59/1.30 % lits 31
% 2.59/1.30 % lits eq 9
% 2.59/1.30 % fd_pure 0
% 2.59/1.30 % fd_pseudo 0
% 2.59/1.30 % fd_cond 0
% 2.59/1.30 % fd_pseudo_cond 1
% 2.59/1.30 % AC symbols 0
% 2.59/1.30
% 2.59/1.30 % ------ Schedule dynamic 5 is on
% 2.59/1.30
% 2.59/1.30 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 2.59/1.30
% 2.59/1.30
% 2.59/1.30 % ------
% 2.59/1.30 % Current options:
% 2.59/1.30 % ------
% 2.59/1.30
% 2.59/1.30
% 2.59/1.30 %
% 2.59/1.30
% 2.59/1.30 % ------ Proving...
% 2.59/1.30 %
% 2.59/1.30
% 2.59/1.30 % SZS status Unsatisfiable for theBenchmark.p
% 2.59/1.30
% 2.59/1.30 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.59/1.30
% 2.59/1.30
%------------------------------------------------------------------------------