%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : PUZ063-1 : TPTP v9.3.1. Released v3.2.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n010.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 02:32:52 PM UTC 2026
% Result : Unsatisfiable 1.62s 1.63s
% Output : CNFRefutation 1.62s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 3
% Syntax : Number of formulae : 8 ( 8 unt; 0 def)
% Number of atoms : 8 ( 2 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 3 ( 3 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 3 ( 2 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 : 3 ( 1 usr; 1 prp; 0-3 aty)
% Number of functors : 7 ( 7 usr; 4 con; 0-3 aty)
% Number of variables : 4 ( 0 sgn 4 !; 0 ?; 2 :)
% Comments :
%------------------------------------------------------------------------------
fof(f2005,axiom,
! [X0,X1] : c_union(c_emptyset,X0,X1) = X0,
file('/export/starexec/sandbox/benchmark/Axioms/MSC001-1.ax',cls_Set_OUn__empty__left_0) ).
fof(f3315,negated_conjecture,
c_in(v_u,c_Mutil_Otiling(v_A,t_a),tc_set(t_a)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_conjecture_0) ).
fof(f3318,negated_conjecture,
~ c_in(c_union(c_emptyset,v_u,t_a),c_Mutil_Otiling(v_A,t_a),tc_set(t_a)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_conjecture_2) ).
tcf(c_2784,negated_conjecture,
c_in(v_u,c_Mutil_Otiling(v_A,t_a),tc_set(t_a)),
inference(cnf_transformation,[],[f3315]) ).
tcf(c_2786,negated_conjecture,
~ c_in(c_union(c_emptyset,v_u,t_a),c_Mutil_Otiling(v_A,t_a),tc_set(t_a)),
inference(cnf_transformation,[],[f3318]) ).
tcf(c_2849,plain,
! [X0: $i,X1: $i] : c_union(c_emptyset,X0,X1) = X0,
inference(cnf_transformation,[],[f2005]) ).
tcf(c_6991,plain,
~ c_in(v_u,c_Mutil_Otiling(v_A,t_a),tc_set(t_a)),
inference(demodulation,[status(thm)],[c_2786,c_2849]) ).
tcf(c_6992,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_6991,c_2784]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PUZ063-1 : TPTP v9.3.1. Released v3.2.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.09/0.37 % Computer : n010.cluster.edu
% 0.09/0.37 % Model : x86_64 x86_64
% 0.09/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.37 % Memory : 8046.5625MB
% 0.09/0.37 % OS : Linux 6.8.0-71-generic
% 0.09/0.37 % CPULimit : 300
% 0.09/0.37 % WCLimit : 300
% 0.09/0.37 % DateTime : Thu Sep 24 06:52:13 UTC 2026
% 0.09/0.37 % CPUTime :
% 0.09/0.37 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.09/0.41 Running first-order theorem proving
% 0.09/0.41 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
% 0.09/0.42
% 0.09/0.42 % ======== iProver multi-core TPTP/SMT =========
% 0.09/0.42
% 0.09/0.42 % Detected problem language: tptp
% 0.09/0.43 % Proving...
% 1.62/1.63 % SZS status Started for theBenchmark.p
% 1.62/1.63 % SZS status Unsatisfiable for theBenchmark.p
% 1.62/1.63
% 1.62/1.63 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.62/1.63
% 1.62/1.63 % ------ iProver source info
% 1.62/1.63
% 1.62/1.63 % git: date: 2026-07-19 20:42:38 +0200
% 1.62/1.63 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.62/1.63 % git: non_committed_changes: false
% 1.62/1.63
% 1.62/1.63 % ------ Parsing...% successful
% 1.62/1.63
% 1.62/1.63
% 1.62/1.63 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 1.62/1.63
% 1.62/1.63 % ------ Preprocessing...%
% 1.62/1.63
% 1.62/1.63 % SZS status Unsatisfiable for theBenchmark.p
% 1.62/1.63
% 1.62/1.63 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.62/1.63
% 1.62/1.63
%------------------------------------------------------------------------------