%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : FLD055-1 : TPTP v9.3.1. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n001.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 01:15:48 PM UTC 2026
% Result : Unsatisfiable 3.03s 1.26s
% Output : CNFRefutation 3.03s
% Verified :
% SZS Type : Refutation
% Derivation depth : 10
% Number of leaves : 10
% Syntax : Number of formulae : 37 ( 19 unt; 0 def)
% Number of atoms : 70 ( 0 equ)
% Maximal formula atoms : 4 ( 1 avg)
% Number of connectives : 66 ( 33 ~; 33 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 3 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 : 4 ( 3 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 3 con; 0-0 aty)
% Number of variables : 28 ( 0 sgn 28 !; 0 ?; 16 :)
% Comments :
%------------------------------------------------------------------------------
fof(f16,axiom,
! [X0,X1] :
( ~ less_or_equal(X1,X0)
| ~ less_or_equal(X0,X1)
| equalish(X0,X1) ),
file('/export/starexec/sandbox/benchmark/Axioms/FLD001-0.ax',antisymmetry_of_order_relation) ).
fof(f18,axiom,
! [X0,X1] :
( ~ defined(X1)
| ~ defined(X0)
| less_or_equal(X1,X0)
| less_or_equal(X0,X1) ),
file('/export/starexec/sandbox/benchmark/Axioms/FLD001-0.ax',totality_of_order_relation) ).
fof(f22,axiom,
! [X0,X1] :
( ~ equalish(X1,X0)
| equalish(X0,X1) ),
file('/export/starexec/sandbox/benchmark/Axioms/FLD001-0.ax',symmetry_of_equality) ).
fof(f23,axiom,
! [X2,X0,X1] :
( ~ equalish(X2,X1)
| ~ equalish(X0,X2)
| equalish(X0,X1) ),
file('/export/starexec/sandbox/benchmark/Axioms/FLD001-0.ax',transitivity_of_equality) ).
fof(f26,axiom,
! [X2,X0,X1] :
( ~ equalish(X2,X0)
| ~ less_or_equal(X2,X1)
| less_or_equal(X0,X1) ),
file('/export/starexec/sandbox/benchmark/Axioms/FLD001-0.ax',compatibility_of_equality_and_order_relation) ).
fof(f28,axiom,
defined(a),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',a_is_defined) ).
fof(f30,axiom,
defined(c),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',c_is_defined) ).
fof(f31,negated_conjecture,
less_or_equal(a,b),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',less_or_equal_4) ).
fof(f32,negated_conjecture,
equalish(b,c),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',b_equals_c_5) ).
fof(f33,negated_conjecture,
~ less_or_equal(a,c),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',not_less_or_equal_6) ).
tcf(c_97,plain,
! [X0: $i,X1: $i] :
( equalish(X0,X1)
| ~ less_or_equal(X1,X0)
| ~ less_or_equal(X0,X1) ),
inference(cnf_transformation,[],[f16]) ).
tcf(c_99,plain,
! [X0: $i,X1: $i] :
( less_or_equal(X1,X0)
| less_or_equal(X0,X1)
| ~ defined(X1)
| ~ defined(X0) ),
inference(cnf_transformation,[],[f18]) ).
tcf(c_103,plain,
! [X0: $i,X1: $i] :
( equalish(X1,X0)
| ~ equalish(X0,X1) ),
inference(cnf_transformation,[],[f22]) ).
tcf(c_104,plain,
! [X0: $i,X1: $i,X2: $i] :
( equalish(X0,X2)
| ~ equalish(X1,X2)
| ~ equalish(X0,X1) ),
inference(cnf_transformation,[],[f23]) ).
tcf(c_107,plain,
! [X0: $i,X1: $i,X2: $i] :
( less_or_equal(X2,X1)
| ~ equalish(X0,X2)
| ~ less_or_equal(X0,X1) ),
inference(cnf_transformation,[],[f26]) ).
tcf(c_109,plain,
defined(a),
inference(cnf_transformation,[],[f28]) ).
tcf(c_111,plain,
defined(c),
inference(cnf_transformation,[],[f30]) ).
tcf(c_112,negated_conjecture,
less_or_equal(a,b),
inference(cnf_transformation,[],[f31]) ).
tcf(c_113,negated_conjecture,
equalish(b,c),
inference(cnf_transformation,[],[f32]) ).
tcf(c_114,negated_conjecture,
~ less_or_equal(a,c),
inference(cnf_transformation,[],[f33]) ).
tcf(c_291,negated_conjecture,
~ less_or_equal(a,c),
inference(demodulation,[status(thm)],[c_114]) ).
tcf(c_292,negated_conjecture,
equalish(b,c),
inference(demodulation,[status(thm)],[c_113]) ).
tcf(c_293,negated_conjecture,
less_or_equal(a,b),
inference(demodulation,[status(thm)],[c_112]) ).
tcf(c_300,plain,
! [X0: $i] :
( less_or_equal(a,c)
| ~ equalish(X0,a)
| ~ less_or_equal(X0,c) ),
inference(instantiation,[status(thm)],[c_107]) ).
tcf(c_302,plain,
! [X0: $i] :
( less_or_equal(c,X0)
| less_or_equal(X0,c)
| ~ defined(c)
| ~ defined(X0) ),
inference(instantiation,[status(thm)],[c_99]) ).
tcf(c_325,plain,
( less_or_equal(c,c)
| ~ defined(c) ),
inference(instantiation,[status(thm)],[c_302]) ).
tcf(c_326,plain,
( less_or_equal(a,c)
| ~ equalish(c,a)
| ~ less_or_equal(c,c) ),
inference(instantiation,[status(thm)],[c_300]) ).
tcf(c_651,plain,
equalish(c,b),
inference(superposition,[status(thm)],[c_292,c_103]) ).
tcf(c_988,plain,
! [X0: $i] :
( equalish(c,X0)
| ~ equalish(b,X0) ),
inference(superposition,[status(thm)],[c_651,c_104]) ).
tcf(c_2133,plain,
( less_or_equal(c,a)
| ~ defined(c)
| ~ defined(a) ),
inference(superposition,[status(thm)],[c_99,c_291]) ).
tcf(c_2143,plain,
less_or_equal(c,a),
inference(forward_subsumption_resolution,[status(thm)],[c_2133,c_111,c_109]) ).
tcf(c_2396,plain,
! [X0: $i] :
( less_or_equal(X0,a)
| ~ equalish(c,X0) ),
inference(superposition,[status(thm)],[c_2143,c_107]) ).
tcf(c_3423,plain,
less_or_equal(b,a),
inference(superposition,[status(thm)],[c_651,c_2396]) ).
tcf(c_3537,plain,
( equalish(b,a)
| ~ less_or_equal(a,b) ),
inference(superposition,[status(thm)],[c_3423,c_97]) ).
tcf(c_3539,plain,
equalish(b,a),
inference(forward_subsumption_resolution,[status(thm)],[c_3537,c_293]) ).
tcf(c_3625,plain,
equalish(c,a),
inference(superposition,[status(thm)],[c_3539,c_988]) ).
tcf(c_3628,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_3625,c_326,c_325,c_114,c_111]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : FLD055-1 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.08/0.35 % Computer : n001.cluster.edu
% 0.08/0.35 % Model : x86_64 x86_64
% 0.08/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.35 % Memory : 8046.5625MB
% 0.08/0.35 % OS : Linux 6.8.0-71-generic
% 0.08/0.35 % CPULimit : 300
% 0.08/0.35 % WCLimit : 300
% 0.08/0.35 % DateTime : Fri Sep 25 11:02:56 UTC 2026
% 0.08/0.35 % CPUTime :
% 0.08/0.35 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.12/0.39 Running first-order theorem proving
% 0.12/0.39 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
% 0.12/0.40
% 0.12/0.40 % ======== iProver multi-core TPTP/SMT =========
% 0.12/0.40
% 0.12/0.40 % Detected problem language: tptp
% 0.12/0.41 % Proving...
% 3.03/1.26 % SZS status Started for theBenchmark.p
% 3.03/1.26 % SZS status Unsatisfiable for theBenchmark.p
% 3.03/1.26
% 3.03/1.26 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 3.03/1.26
% 3.03/1.26 % ------ iProver source info
% 3.03/1.26
% 3.03/1.26 % git: date: 2026-07-19 20:42:38 +0200
% 3.03/1.26 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 3.03/1.26 % git: non_committed_changes: false
% 3.03/1.26
% 3.03/1.26 % ------ Parsing...% successful
% 3.03/1.26
% 3.03/1.26
% 3.03/1.26 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 3.03/1.26
% 3.03/1.26 % ------ Preprocessing... sf_s rm: 0 0s sf_e pe_s pe_e %
% 3.03/1.26
% 3.03/1.26 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e
% 3.03/1.26 % ------ Proving...
% 3.03/1.26 % ------ Problem Properties
% 3.03/1.26
% 3.03/1.26 %
% 3.03/1.26 % clauses 33
% 3.03/1.26 % conjectures 3
% 3.03/1.26 % EPR 16
% 3.03/1.26 % Horn 30
% 3.03/1.26 % unary 9
% 3.03/1.26 % binary 6
% 3.03/1.26 % lits 79
% 3.03/1.26 % lits eq 0
% 3.03/1.26 % fd_pure 0
% 3.03/1.26 % fd_pseudo 0
% 3.03/1.26 % fd_cond 0
% 3.03/1.26 % fd_pseudo_cond 0
% 3.03/1.26 % AC symbols 0
% 3.03/1.26
% 3.03/1.26 % ------ Schedule dynamic 5 is on
% 3.03/1.26
% 3.03/1.26 % ------ no equalities: superposition off
% 3.03/1.26
% 3.03/1.26 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 3.03/1.26
% 3.03/1.26
% 3.03/1.26 % ------
% 3.03/1.26 % Current options:
% 3.03/1.26 % ------
% 3.03/1.26
% 3.03/1.26
% 3.03/1.26 %
% 3.03/1.26
% 3.03/1.26 % ------ Proving...
% 3.03/1.26 %
% 3.03/1.26
% 3.03/1.26 % SZS status Unsatisfiable for theBenchmark.p
% 3.03/1.26
% 3.03/1.26 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 3.03/1.26
% 3.03/1.26
%------------------------------------------------------------------------------