%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : MGT044-1 : TPTP v9.3.1. Released v2.4.0.
% 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 02:12:54 PM UTC 2026
% Result : Unsatisfiable 0.49s 1.25s
% Output : CNFRefutation 0.49s
% 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 : 9 ( 7 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/sandbox2/benchmark/Axioms/MGT001-0.ax',definition_smaller_or_equal_3) ).
fof(f12,axiom,
! [X2,X0,X1] :
( greater(capability(X0,X1),capability(X0,X2))
| ~ smaller_or_equal(internal_friction(X0,X1),internal_friction(X0,X2))
| ~ greater(stock_of_knowledge(X0,X1),stock_of_knowledge(X0,X2))
| ~ organization(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',assumption_5_32) ).
fof(f15,axiom,
! [X2,X0,X1] :
( greater(stock_of_knowledge(X0,X1),stock_of_knowledge(X0,X2))
| ~ greater(age(X0,X1),age(X0,X2))
| ~ organization(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',assumption_7_35) ).
fof(f16,axiom,
! [X2,X0,X1] :
( internal_friction(X0,X1) = internal_friction(X0,X2)
| ~ organization(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',assumption_9_36) ).
fof(f17,negated_conjecture,
organization(sk1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lemma_3_37) ).
fof(f18,negated_conjecture,
greater(age(sk1,sk3),age(sk1,sk2)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lemma_3_38) ).
fof(f19,negated_conjecture,
~ greater(capability(sk1,sk3),capability(sk1,sk2)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lemma_3_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_79,plain,
! [X0: $i,X1: $i,X2: $i] :
( greater(capability(X0,X1),capability(X0,X2))
| ~ organization(X0)
| ~ smaller_or_equal(internal_friction(X0,X1),internal_friction(X0,X2))
| ~ greater(stock_of_knowledge(X0,X1),stock_of_knowledge(X0,X2)) ),
inference(cnf_transformation,[],[f12]) ).
tcf(c_82,plain,
! [X0: $i,X1: $i,X2: $i] :
( greater(stock_of_knowledge(X0,X1),stock_of_knowledge(X0,X2))
| ~ organization(X0)
| ~ greater(age(X0,X1),age(X0,X2)) ),
inference(cnf_transformation,[],[f15]) ).
tcf(c_83,plain,
! [X0: $i,X1: $i,X2: $i] :
( ( internal_friction(X0,X1) = internal_friction(X0,X2) )
| ~ organization(X0) ),
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,
~ greater(capability(sk1,sk3),capability(sk1,sk2)),
inference(cnf_transformation,[],[f19]) ).
tcf(c_285,plain,
! [X0: $i,X1: $i,X2: $i] :
( ( internal_friction(X0,X1) = internal_friction(X0,X2) )
| ( X0 != sk1 ) ),
inference(resolution_lifted,[status(thm)],[c_83,c_84]) ).
tcf(c_286,plain,
! [X0: $i,X1: $i] : internal_friction(sk1,X0) = internal_friction(sk1,X1),
inference(unflattening,[status(thm)],[c_285]) ).
tcf(c_291,plain,
! [X0: $i,X1: $i,X2: $i] :
( greater(stock_of_knowledge(X0,X1),stock_of_knowledge(X0,X2))
| ~ greater(age(X0,X1),age(X0,X2))
| ( X0 != sk1 ) ),
inference(resolution_lifted,[status(thm)],[c_82,c_84]) ).
tcf(c_292,plain,
! [X0: $i,X1: $i] :
( greater(stock_of_knowledge(sk1,X0),stock_of_knowledge(sk1,X1))
| ~ greater(age(sk1,X0),age(sk1,X1)) ),
inference(unflattening,[status(thm)],[c_291]) ).
tcf(c_312,plain,
! [X0: $i,X1: $i,X2: $i] :
( greater(capability(X0,X1),capability(X0,X2))
| ~ smaller_or_equal(internal_friction(X0,X1),internal_friction(X0,X2))
| ~ greater(stock_of_knowledge(X0,X1),stock_of_knowledge(X0,X2))
| ( X0 != sk1 ) ),
inference(resolution_lifted,[status(thm)],[c_79,c_84]) ).
tcf(c_313,plain,
! [X0: $i,X1: $i] :
( greater(capability(sk1,X0),capability(sk1,X1))
| ~ smaller_or_equal(internal_friction(sk1,X0),internal_friction(sk1,X1))
| ~ greater(stock_of_knowledge(sk1,X0),stock_of_knowledge(sk1,X1)) ),
inference(unflattening,[status(thm)],[c_312]) ).
tcf(c_375,plain,
! [X0: $i,X1: $i,X2: $i] :
( greater(capability(sk1,X0),capability(sk1,X2))
| ~ greater(stock_of_knowledge(sk1,X0),stock_of_knowledge(sk1,X2))
| ( internal_friction(sk1,X2) != X1 )
| ( internal_friction(sk1,X0) != X1 ) ),
inference(resolution_lifted,[status(thm)],[c_70,c_313]) ).
tcf(c_376,plain,
! [X0: $i,X1: $i] :
( greater(capability(sk1,X1),capability(sk1,X0))
| ~ greater(stock_of_knowledge(sk1,X1),stock_of_knowledge(sk1,X0))
| ( internal_friction(sk1,X0) != internal_friction(sk1,X1) ) ),
inference(unflattening,[status(thm)],[c_375]) ).
tcf(c_378,plain,
! [X0: $i,X1: $i] :
( greater(capability(sk1,X1),capability(sk1,X0))
| ~ greater(stock_of_knowledge(sk1,X1),stock_of_knowledge(sk1,X0)) ),
inference(global_subsumption_just,[status(thm)],[c_376,c_286,c_376]) ).
tcf(c_379,plain,
! [X0: $i,X1: $i] :
( greater(capability(sk1,X0),capability(sk1,X1))
| ~ greater(stock_of_knowledge(sk1,X0),stock_of_knowledge(sk1,X1)) ),
inference(renaming,[status(thm)],[c_378]) ).
tcf(c_504,definition,
iPr_def_10 = capability(sk1,sk3),
introduced(definition,[new_symbols(definition,[iPr_def_10])],[]) ).
tcf(c_505,definition,
iPr_def_11 = capability(sk1,sk2),
introduced(definition,[new_symbols(definition,[iPr_def_11])],[]) ).
tcf(c_506,definition,
iPr_def_12 = age(sk1,sk3),
introduced(definition,[new_symbols(definition,[iPr_def_12])],[]) ).
tcf(c_507,definition,
iPr_def_13 = age(sk1,sk2),
introduced(definition,[new_symbols(definition,[iPr_def_13])],[]) ).
tcf(c_508,plain,
! [X0: $i,X1: $i] :
( greater(capability(sk1,X0),capability(sk1,X1))
| ~ greater(stock_of_knowledge(sk1,X0),stock_of_knowledge(sk1,X1)) ),
inference(demodulation,[status(thm)],[c_379]) ).
tcf(c_511,plain,
! [X0: $i,X1: $i] :
( greater(stock_of_knowledge(sk1,X0),stock_of_knowledge(sk1,X1))
| ~ greater(age(sk1,X0),age(sk1,X1)) ),
inference(demodulation,[status(thm)],[c_292]) ).
tcf(c_514,negated_conjecture,
~ greater(iPr_def_10,iPr_def_11),
inference(demodulation,[status(thm)],[c_86,c_505,c_504]) ).
tcf(c_515,negated_conjecture,
greater(iPr_def_12,iPr_def_13),
inference(demodulation,[status(thm)],[c_85,c_507,c_506]) ).
tcf(c_796,plain,
! [X0: $i] :
( greater(stock_of_knowledge(sk1,sk3),stock_of_knowledge(sk1,X0))
| ~ greater(iPr_def_12,age(sk1,X0)) ),
inference(superposition,[status(thm)],[c_506,c_511]) ).
tcf(c_849,plain,
! [X0: $i] :
( greater(capability(sk1,sk3),capability(sk1,X0))
| ~ greater(iPr_def_12,age(sk1,X0)) ),
inference(superposition,[status(thm)],[c_796,c_508]) ).
tcf(c_850,plain,
! [X0: $i] :
( greater(iPr_def_10,capability(sk1,X0))
| ~ greater(iPr_def_12,age(sk1,X0)) ),
inference(light_normalisation,[status(thm)],[c_849,c_504]) ).
tcf(c_1354,plain,
( greater(iPr_def_10,capability(sk1,sk2))
| ~ greater(iPr_def_12,iPr_def_13) ),
inference(superposition,[status(thm)],[c_507,c_850]) ).
tcf(c_1355,plain,
( greater(iPr_def_10,iPr_def_11)
| ~ greater(iPr_def_12,iPr_def_13) ),
inference(light_normalisation,[status(thm)],[c_1354,c_505]) ).
tcf(c_1356,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_1355,c_514,c_515]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.04 % Problem : MGT044-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.06 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.18/0.44 % Computer : n011.cluster.edu
% 0.18/0.44 % Model : x86_64 x86_64
% 0.18/0.44 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.18/0.44 % Memory : 8046.5625MB
% 0.18/0.44 % OS : Linux 6.8.0-71-generic
% 0.18/0.44 % CPULimit : 300
% 0.18/0.44 % WCLimit : 300
% 0.18/0.44 % DateTime : Thu Sep 24 01:11:15 UTC 2026
% 0.18/0.44 % CPUTime :
% 0.18/0.44 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.18/0.48 Running first-order theorem proving
% 0.18/0.48 Running: /export/starexec/sandbox2/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s fof_schedule -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.18/0.49
% 0.18/0.49 % ======== iProver multi-core TPTP/SMT =========
% 0.18/0.49
% 0.18/0.49 % Detected problem language: tptp
% 0.25/0.50 % Proving...
% 0.49/1.25 % SZS status Started for theBenchmark.p
% 0.49/1.25 % SZS status Unsatisfiable for theBenchmark.p
% 0.49/1.25
% 0.49/1.25 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 0.49/1.25
% 0.49/1.25 % ------ iProver source info
% 0.49/1.25
% 0.49/1.25 % git: date: 2026-07-19 20:42:38 +0200
% 0.49/1.25 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 0.49/1.25 % git: non_committed_changes: false
% 0.49/1.25
% 0.49/1.25 % ------ Parsing...% successful
% 0.49/1.25
% 0.49/1.25
% 0.49/1.25 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 0.49/1.25
% 0.49/1.25 % ------ 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 %
% 0.49/1.25
% 0.49/1.25 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 0.49/1.25
% 0.49/1.25 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 0.49/1.25 % ------ Proving...
% 0.49/1.25 % ------ Problem Properties
% 0.49/1.25
% 0.49/1.25 %
% 0.49/1.25 % clauses 17
% 0.49/1.25 % conjectures 2
% 0.49/1.25 % EPR 7
% 0.49/1.25 % Horn 16
% 0.49/1.25 % unary 7
% 0.49/1.25 % binary 6
% 0.49/1.25 % lits 31
% 0.49/1.25 % lits eq 9
% 0.49/1.25 % fd_pure 0
% 0.49/1.25 % fd_pseudo 0
% 0.49/1.25 % fd_cond 0
% 0.49/1.25 % fd_pseudo_cond 1
% 0.49/1.25 % AC symbols 0
% 0.49/1.25
% 0.49/1.25 % ------ Schedule dynamic 5 is on
% 0.49/1.25
% 0.49/1.25 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 0.49/1.25
% 0.49/1.25
% 0.49/1.25 % ------
% 0.49/1.25 % Current options:
% 0.49/1.25 % ------
% 0.49/1.25
% 0.49/1.25
% 0.49/1.25 %
% 0.49/1.25
% 0.49/1.25 % ------ Proving...
% 0.49/1.25 %
% 0.49/1.25
% 0.49/1.25 % SZS status Unsatisfiable for theBenchmark.p
% 0.49/1.25
% 0.49/1.25 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.49/1.25
% 0.49/1.25
%------------------------------------------------------------------------------