%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : HEN006-1 : TPTP v9.3.1. Released v1.0.0.
% 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 01:37:21 PM UTC 2026
% Result : Unsatisfiable 6.27s 1.75s
% Output : CNFRefutation 6.27s
% Verified :
% SZS Type : Refutation
% Derivation depth : 24
% Number of leaves : 10
% Syntax : Number of formulae : 65 ( 41 unt; 0 def)
% Number of atoms : 199 ( 34 equ)
% Maximal formula atoms : 6 ( 3 avg)
% Number of connectives : 78 ( 40 ~; 38 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 15 ( 4 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 5 ( 3 usr; 1 prp; 0-3 aty)
% Number of functors : 6 ( 6 usr; 6 con; 0-0 aty)
% Number of variables : 99 ( 0 sgn 99 !; 0 ?; 81 :)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X0,X1] :
( quotient(X0,X1,zero)
| ~ less_equal(X0,X1) ),
file('/export/starexec/sandbox/benchmark/Axioms/HEN001-0.ax',quotient_less_equal) ).
fof(f2,axiom,
! [X0,X1] :
( less_equal(X0,X1)
| ~ quotient(X0,X1,zero) ),
file('/export/starexec/sandbox/benchmark/Axioms/HEN001-0.ax',less_equal_quotient) ).
fof(f3,axiom,
! [X2,X0,X1] :
( less_equal(X2,X0)
| ~ quotient(X0,X1,X2) ),
file('/export/starexec/sandbox/benchmark/Axioms/HEN001-0.ax',divisor_existence) ).
fof(f4,axiom,
! [X2,X3,X0,X1,X6,X7,X4,X5] :
( less_equal(X6,X7)
| ~ quotient(X2,X3,X7)
| ~ quotient(X5,X4,X6)
| ~ quotient(X0,X3,X5)
| ~ quotient(X1,X3,X4)
| ~ quotient(X0,X1,X2) ),
file('/export/starexec/sandbox/benchmark/Axioms/HEN001-0.ax',quotient_property) ).
fof(f5,axiom,
! [X0] : less_equal(zero,X0),
file('/export/starexec/sandbox/benchmark/Axioms/HEN001-0.ax',zero_is_smallest) ).
fof(f6,axiom,
! [X0,X1] :
( X0 = X1
| ~ less_equal(X1,X0)
| ~ less_equal(X0,X1) ),
file('/export/starexec/sandbox/benchmark/Axioms/HEN001-0.ax',less_equal_and_equal) ).
fof(f10,axiom,
quotient(x,y,xQy),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',xQy) ).
fof(f11,axiom,
less_equal(xQy,z),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',xQyLEz) ).
fof(f12,axiom,
quotient(x,z,xQz),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',xQz) ).
fof(f13,negated_conjecture,
~ less_equal(xQz,y),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_xQzLEy) ).
tcf(c_62,plain,
! [X0: $i,X1: $i] :
( quotient(X0,X1,zero)
| ~ less_equal(X0,X1) ),
inference(cnf_transformation,[],[f1]) ).
tcf(c_63,plain,
! [X0: $i,X1: $i] :
( less_equal(X0,X1)
| ~ quotient(X0,X1,zero) ),
inference(cnf_transformation,[],[f2]) ).
tcf(c_64,plain,
! [X0: $i,X1: $i,X2: $i] :
( less_equal(X2,X0)
| ~ quotient(X0,X1,X2) ),
inference(cnf_transformation,[],[f3]) ).
tcf(c_65,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i] :
( less_equal(X7,X6)
| ~ quotient(X4,X5,X7)
| ~ quotient(X2,X3,X6)
| ~ quotient(X1,X3,X5)
| ~ quotient(X0,X3,X4)
| ~ quotient(X0,X1,X2) ),
inference(cnf_transformation,[],[f4]) ).
tcf(c_66,plain,
! [X0: $i] : less_equal(zero,X0),
inference(cnf_transformation,[],[f5]) ).
tcf(c_67,plain,
! [X0: $i,X1: $i] :
( ( X0 = X1 )
| ~ less_equal(X1,X0)
| ~ less_equal(X0,X1) ),
inference(cnf_transformation,[],[f6]) ).
tcf(c_71,plain,
quotient(x,y,xQy),
inference(cnf_transformation,[],[f10]) ).
tcf(c_72,plain,
less_equal(xQy,z),
inference(cnf_transformation,[],[f11]) ).
tcf(c_73,plain,
quotient(x,z,xQz),
inference(cnf_transformation,[],[f12]) ).
tcf(c_74,negated_conjecture,
~ less_equal(xQz,y),
inference(cnf_transformation,[],[f13]) ).
tcf(c_81,plain,
divide(x,y) = xQy,
inference(well_definedness,[status(thm)],[c_71]) ).
tcf(c_82,plain,
divide(x,z) = xQz,
inference(well_definedness,[status(thm)],[c_73]) ).
tcf(c_83,plain,
! [X0: $i,X1: $i] :
( ( divide(X0,X1) = zero )
| ~ less_equal(X0,X1) ),
inference(well_definedness,[status(thm)],[c_62]) ).
tcf(c_84,plain,
! [X0: $i,X1: $i] :
( less_equal(X0,X1)
| ( divide(X0,X1) != zero ) ),
inference(well_definedness,[status(thm)],[c_63]) ).
tcf(c_85,plain,
! [X0: $i,X1: $i,X2: $i] :
( less_equal(X2,X0)
| ( divide(X0,X1) != X2 ) ),
inference(well_definedness,[status(thm)],[c_64]) ).
tcf(c_87,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i] :
( less_equal(X7,X6)
| ( divide(X4,X5) != X7 )
| ( divide(X2,X3) != X6 )
| ( divide(X1,X3) != X5 )
| ( divide(X0,X3) != X4 )
| ( divide(X0,X1) != X2 ) ),
inference(well_definedness,[status(thm)],[c_65]) ).
tcf(c_97,plain,
! [X0: $i,X1: $i,X2: $i] :
( ( divide(X0,X1) != X2 )
| less_equal(X2,X0) ),
inference(prop_impl_just,[status(thm)],[c_85]) ).
tcf(c_98,plain,
! [X0: $i,X1: $i,X2: $i] :
( less_equal(X2,X0)
| ( divide(X0,X1) != X2 ) ),
inference(renaming,[status(thm)],[c_97]) ).
tcf(c_177,plain,
! [X0: $i,X1: $i] : less_equal(divide(X0,X1),X0),
inference(unflattening,[status(thm)],[c_98]) ).
tcf(c_191,plain,
! [X0: $i,X1: $i,X2: $i] : less_equal(divide(divide(X0,X1),divide(X2,X1)),divide(divide(X0,X2),X1)),
inference(unflattening,[status(thm)],[c_87]) ).
tcf(c_199,plain,
! [X0: $i,X1: $i] :
( ( divide(X0,X1) != zero )
| less_equal(X0,X1) ),
inference(prop_impl_just,[status(thm)],[c_84]) ).
tcf(c_200,plain,
! [X0: $i,X1: $i] :
( less_equal(X0,X1)
| ( divide(X0,X1) != zero ) ),
inference(renaming,[status(thm)],[c_199]) ).
tcf(c_201,plain,
! [X0: $i,X1: $i] :
( ( divide(X0,X1) = zero )
| ~ less_equal(X0,X1) ),
inference(prop_impl_just,[status(thm)],[c_83]) ).
tcf(c_440,plain,
! [X0: $i] : less_equal(divide(xQz,divide(X0,z)),divide(divide(x,X0),z)),
inference(superposition,[status(thm)],[c_82,c_191]) ).
tcf(c_453,plain,
divide(xQy,z) = zero,
inference(superposition,[status(thm)],[c_72,c_201]) ).
tcf(c_454,plain,
! [X0: $i] : divide(zero,X0) = zero,
inference(superposition,[status(thm)],[c_66,c_201]) ).
tcf(c_456,plain,
! [X0: $i,X1: $i] : divide(divide(X0,X1),X0) = zero,
inference(superposition,[status(thm)],[c_177,c_201]) ).
tcf(c_470,plain,
! [X0: $i] :
( ( X0 = zero )
| ~ less_equal(X0,zero) ),
inference(superposition,[status(thm)],[c_66,c_67]) ).
tcf(c_472,plain,
! [X0: $i,X1: $i] :
( ( divide(X0,X1) = X0 )
| ~ less_equal(X0,divide(X0,X1)) ),
inference(superposition,[status(thm)],[c_177,c_67]) ).
tcf(c_489,plain,
( less_equal(xQz,y)
| ( divide(xQz,y) != zero ) ),
inference(instantiation,[status(thm)],[c_200]) ).
tcf(c_511,plain,
! [X0: $i,X1: $i] : less_equal(divide(divide(X0,X1),zero),divide(divide(X0,zero),X1)),
inference(superposition,[status(thm)],[c_454,c_191]) ).
tcf(c_572,plain,
! [X0: $i,X1: $i,X2: $i] : less_equal(divide(divide(X0,X1),zero),divide(divide(X0,divide(X1,X2)),X1)),
inference(superposition,[status(thm)],[c_456,c_191]) ).
tcf(c_575,plain,
! [X0: $i,X1: $i] : less_equal(divide(divide(X0,X0),divide(X1,X0)),zero),
inference(superposition,[status(thm)],[c_456,c_191]) ).
tcf(c_787,plain,
less_equal(divide(xQz,divide(y,z)),divide(xQy,z)),
inference(superposition,[status(thm)],[c_81,c_440]) ).
tcf(c_792,plain,
less_equal(divide(xQz,divide(y,z)),zero),
inference(light_normalisation,[status(thm)],[c_787,c_453]) ).
tcf(c_859,plain,
divide(xQz,divide(y,z)) = zero,
inference(superposition,[status(thm)],[c_792,c_470]) ).
tcf(c_939,plain,
! [X0: $i] : less_equal(divide(divide(X0,X0),zero),zero),
inference(superposition,[status(thm)],[c_456,c_575]) ).
tcf(c_985,plain,
! [X0: $i] : divide(divide(X0,X0),zero) = zero,
inference(superposition,[status(thm)],[c_939,c_470]) ).
tcf(c_1110,plain,
! [X0: $i] :
( ( divide(divide(X0,X0),zero) = divide(X0,X0) )
| ~ less_equal(divide(X0,X0),zero) ),
inference(superposition,[status(thm)],[c_985,c_472]) ).
tcf(c_1111,plain,
! [X0: $i] : less_equal(divide(X0,X0),zero),
inference(superposition,[status(thm)],[c_985,c_200]) ).
tcf(c_1118,plain,
! [X0: $i] : divide(divide(X0,X0),zero) = divide(X0,X0),
inference(forward_subsumption_resolution,[status(thm)],[c_1110,c_1111]) ).
tcf(c_1119,plain,
! [X0: $i] : divide(X0,X0) = zero,
inference(light_normalisation,[status(thm)],[c_1118,c_985]) ).
tcf(c_2677,plain,
! [X0: $i] : less_equal(divide(divide(X0,divide(X0,zero)),zero),zero),
inference(superposition,[status(thm)],[c_1119,c_511]) ).
tcf(c_2866,plain,
! [X0: $i] : divide(divide(X0,divide(X0,zero)),zero) = zero,
inference(superposition,[status(thm)],[c_2677,c_470]) ).
tcf(c_3313,plain,
! [X0: $i] :
( ( divide(divide(X0,divide(X0,zero)),zero) = divide(X0,divide(X0,zero)) )
| ~ less_equal(divide(X0,divide(X0,zero)),zero) ),
inference(superposition,[status(thm)],[c_2866,c_472]) ).
tcf(c_3314,plain,
! [X0: $i] : less_equal(divide(X0,divide(X0,zero)),zero),
inference(superposition,[status(thm)],[c_2866,c_200]) ).
tcf(c_3327,plain,
! [X0: $i] : divide(divide(X0,divide(X0,zero)),zero) = divide(X0,divide(X0,zero)),
inference(forward_subsumption_resolution,[status(thm)],[c_3313,c_3314]) ).
tcf(c_3328,plain,
! [X0: $i] : divide(X0,divide(X0,zero)) = zero,
inference(light_normalisation,[status(thm)],[c_3327,c_2866]) ).
tcf(c_3382,plain,
! [X0: $i] : less_equal(X0,divide(X0,zero)),
inference(superposition,[status(thm)],[c_3328,c_200]) ).
tcf(c_3504,plain,
! [X0: $i] : divide(X0,zero) = X0,
inference(superposition,[status(thm)],[c_3382,c_472]) ).
tcf(c_5305,plain,
! [X0: $i,X1: $i,X2: $i] : less_equal(divide(X0,X1),divide(divide(X0,divide(X1,X2)),X1)),
inference(demodulation,[status(thm)],[c_572,c_3504]) ).
tcf(c_5363,plain,
less_equal(divide(xQz,y),divide(zero,y)),
inference(superposition,[status(thm)],[c_859,c_5305]) ).
tcf(c_5593,plain,
less_equal(divide(xQz,y),zero),
inference(demodulation,[status(thm)],[c_5363,c_454]) ).
tcf(c_5596,plain,
divide(xQz,y) = zero,
inference(superposition,[status(thm)],[c_5593,c_470]) ).
tcf(c_5604,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_5596,c_489,c_74]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : HEN006-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.11/0.37 % Computer : n008.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 : Wed Sep 23 16:11:55 UTC 2026
% 0.11/0.38 % CPUTime :
% 0.11/0.38 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.16/0.42 Running first-order theorem proving
% 0.16/0.42 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
% 0.16/0.43
% 0.16/0.43 % ======== iProver multi-core TPTP/SMT =========
% 0.16/0.43
% 0.16/0.43 % Detected problem language: tptp
% 0.16/0.44 % Proving...
% 6.27/1.75 % SZS status Started for theBenchmark.p
% 6.27/1.75 % SZS status Unsatisfiable for theBenchmark.p
% 6.27/1.75
% 6.27/1.75 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 6.27/1.75
% 6.27/1.75 % ------ iProver source info
% 6.27/1.75
% 6.27/1.75 % git: date: 2026-07-19 20:42:38 +0200
% 6.27/1.75 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 6.27/1.75 % git: non_committed_changes: false
% 6.27/1.75
% 6.27/1.75 % ------ Parsing...% successful
% 6.27/1.75
% 6.27/1.75
% 6.27/1.75 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 6.27/1.75
% 6.27/1.75 % ------ Preprocessing... sup_sim: 4 sf_s rm: 1 0s sf_e pe_s pe_e sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe_e %
% 6.27/1.75
% 6.27/1.75 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 6.27/1.75
% 6.27/1.75 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 6.27/1.75 % ------ Proving...
% 6.27/1.75 % ------ Problem Properties
% 6.27/1.75
% 6.27/1.75 %
% 6.27/1.75 % clauses 11
% 6.27/1.75 % conjectures 1
% 6.27/1.75 % EPR 5
% 6.27/1.75 % Horn 11
% 6.27/1.75 % unary 8
% 6.27/1.75 % binary 2
% 6.27/1.75 % lits 15
% 6.27/1.75 % lits eq 5
% 6.27/1.75 % fd_pure 0
% 6.27/1.75 % fd_pseudo 0
% 6.27/1.75 % fd_cond 0
% 6.27/1.75 % fd_pseudo_cond 1
% 6.27/1.75 % AC symbols 0
% 6.27/1.75
% 6.27/1.75 % ------ Schedule dynamic 5 is on
% 6.27/1.75
% 6.27/1.75 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 6.27/1.75
% 6.27/1.75
% 6.27/1.75 % ------
% 6.27/1.75 % Current options:
% 6.27/1.75 % ------
% 6.27/1.75
% 6.27/1.75
% 6.27/1.75 %
% 6.27/1.75
% 6.27/1.75 % ------ Proving...
% 6.27/1.75 %
% 6.27/1.75
% 6.27/1.75 % SZS status Unsatisfiable for theBenchmark.p
% 6.27/1.75
% 6.27/1.75 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 6.27/1.75
% 6.27/1.75
%------------------------------------------------------------------------------