%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SET054-7 : 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 : 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 02:46:16 PM UTC 2026
% Result : Unsatisfiable 0.46s 1.28s
% Output : CNFRefutation 0.46s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 2
% Syntax : Number of formulae : 6 ( 5 unt; 0 def)
% Number of atoms : 7 ( 1 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 4 ( 3 ~; 1 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 2 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 : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 1 ( 1 usr; 1 con; 0-0 aty)
% Number of variables : 4 ( 0 sgn 4 !; 0 ?; 1 :)
% Comments :
%------------------------------------------------------------------------------
fof(f5,axiom,
! [X0,X1] :
( subclass(X0,X1)
| X0 != X1 ),
file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',equal_implies_subclass1) ).
fof(f105,negated_conjecture,
~ subclass(x,x),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_subclass_is_reflexive_1) ).
fof(f158,plain,
! [X1] : subclass(X1,X1),
inference(equality_resolution,[],[f5]) ).
tcf(c_149,plain,
! [X0: $i] : subclass(X0,X0),
inference(cnf_transformation,[],[f158]) ).
tcf(c_224,negated_conjecture,
~ subclass(x,x),
inference(cnf_transformation,[],[f105]) ).
tcf(c_587,plain,
$false,
inference(backward_subsumption_resolution,[status(thm)],[c_224,c_149]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SET054-7 : TPTP v9.3.1. Bugfixed v2.1.0.
% 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 : Thu Sep 24 09:27:55 UTC 2026
% 0.11/0.37 % CPUTime :
% 0.11/0.37 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.14/0.41 Running first-order theorem proving
% 0.14/0.41 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
% 0.14/0.42
% 0.14/0.42 % ======== iProver multi-core TPTP/SMT =========
% 0.14/0.42
% 0.14/0.42 % Detected problem language: tptp
% 0.14/0.43 % Proving...
% 0.46/1.28 % SZS status Started for theBenchmark.p
% 0.46/1.28 % SZS status Unsatisfiable for theBenchmark.p
% 0.46/1.28
% 0.46/1.28 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 0.46/1.28
% 0.46/1.28 % ------ iProver source info
% 0.46/1.28
% 0.46/1.28 % git: date: 2026-07-19 20:42:38 +0200
% 0.46/1.28 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 0.46/1.28 % git: non_committed_changes: false
% 0.46/1.28
% 0.46/1.28 % ------ Parsing...% successful
% 0.46/1.28
% 0.46/1.28
% 0.46/1.28 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 0.46/1.28
% 0.46/1.28 % ------ Preprocessing...%
% 0.46/1.28
% 0.46/1.28 % SZS status Unsatisfiable for theBenchmark.p
% 0.46/1.28
% 0.46/1.28 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.46/1.28
% 0.46/1.28
%------------------------------------------------------------------------------