%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : TOP004-2 : 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 : n026.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 03:54:59 PM UTC 2026
% Result : Unsatisfiable 1.39s 6.31s
% Output : CNFRefutation 1.39s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 2
% Syntax : Number of formulae : 5 ( 5 unt; 0 def)
% Number of atoms : 5 ( 0 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 2 ( 2 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 3 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 : 2 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 1 con; 0-2 aty)
% Number of variables : 6 ( 0 sgn 6 !; 0 ?; 3 :)
% Comments :
%------------------------------------------------------------------------------
fof(f19,negated_conjecture,
! [X0] : element_of_collection(X0,top_of_basis(f)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',lemma_1d_2) ).
fof(f21,negated_conjecture,
! [X0,X1] : ~ element_of_collection(intersection_of_sets(X0,X1),top_of_basis(f)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',lemma_1d_4) ).
tcf(c_88,negated_conjecture,
! [X0: $i] : element_of_collection(X0,top_of_basis(f)),
inference(cnf_transformation,[],[f19]) ).
tcf(c_90,negated_conjecture,
! [X0: $i,X1: $i] : ~ element_of_collection(intersection_of_sets(X0,X1),top_of_basis(f)),
inference(cnf_transformation,[],[f21]) ).
tcf(c_109,plain,
$false,
inference(backward_subsumption_resolution,[status(thm)],[c_90,c_88]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : TOP004-2 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.11/5.39 % Computer : n026.cluster.edu
% 0.11/5.39 % Model : x86_64 x86_64
% 0.11/5.39 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/5.39 % Memory : 8046.5625MB
% 0.11/5.39 % OS : Linux 6.8.0-71-generic
% 0.11/5.39 % CPULimit : 300
% 0.11/5.39 % WCLimit : 300
% 0.11/5.39 % DateTime : Fri Sep 25 04:09:30 UTC 2026
% 0.11/5.39 % CPUTime :
% 0.11/5.39 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.16/5.43 Running first-order theorem proving
% 0.16/5.43 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
% 0.16/5.44
% 0.16/5.44 % ======== iProver multi-core TPTP/SMT =========
% 0.16/5.44
% 0.16/5.44 % Detected problem language: tptp
% 0.16/5.46 % Proving...
% 1.39/6.31 % SZS status Started for theBenchmark.p
% 1.39/6.31 % SZS status Unsatisfiable for theBenchmark.p
% 1.39/6.31
% 1.39/6.31 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.39/6.31
% 1.39/6.31 % ------ iProver source info
% 1.39/6.31
% 1.39/6.31 % git: date: 2026-07-19 20:42:38 +0200
% 1.39/6.31 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.39/6.31 % git: non_committed_changes: false
% 1.39/6.31
% 1.39/6.31 % ------ Parsing...% successful
% 1.39/6.31
% 1.39/6.31
% 1.39/6.31 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 1.39/6.31
% 1.39/6.31 % ------ Preprocessing...%
% 1.39/6.31
% 1.39/6.31 % SZS status Unsatisfiable for theBenchmark.p
% 1.39/6.31
% 1.39/6.31 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.39/6.31
% 1.39/6.31
%------------------------------------------------------------------------------