%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SYO561_2 : TPTP v9.3.1. Bugfixed v5.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n018.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 03:51:26 PM UTC 2026
% Result : Theorem 1.08s 1.27s
% Output : CNFRefutation 1.08s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 2
% Syntax : Number of formulae : 9 ( 9 unt; 0 def)
% Number of atoms : 9 ( 8 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 6 ( 6 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 3 ( 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 : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 2 ( 0 usr; 2 con; 0-0 aty)
% Number of variables : 0 ( 0 sgn 0 !; 0 ?; 0 :)
% Comments :
%------------------------------------------------------------------------------
tff(type_def_1,type,
$bool: $tType ).
fof(f1,conjecture,
"Apple" != "Microsoft",
file('/export/starexec/sandbox/benchmark/theBenchmark.p',apple_not_microsoft) ).
fof(f2,negated_conjecture,
~ ( "Apple" != "Microsoft" ),
inference(negated_conjecture,[status(cth)],[f1]) ).
fof(f3,plain,
"Apple" != "Microsoft",
introduced(definition,[],[distinctness_axiom]) ).
fof(f4,plain,
"Apple" = "Microsoft",
inference(flattening,[],[f2]) ).
fof(f5,plain,
"Apple" != "Microsoft",
inference(cnf_transformation,[],[f3]) ).
fof(f6,plain,
"Apple" = "Microsoft",
inference(cnf_transformation,[],[f4]) ).
tcf(c_49,plain,
"Apple" != "Microsoft",
inference(cnf_transformation,[],[f5]) ).
tcf(c_50,negated_conjecture,
"Apple" = "Microsoft",
inference(cnf_transformation,[],[f6]) ).
tcf(c_51,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_49,c_50]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYO561_2 : TPTP v9.3.1. Bugfixed v5.4.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.09/0.36 % Computer : n018.cluster.edu
% 0.09/0.36 % Model : x86_64 x86_64
% 0.09/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.36 % Memory : 8046.5625MB
% 0.09/0.36 % OS : Linux 6.8.0-71-generic
% 0.09/0.36 % CPULimit : 300
% 0.09/0.36 % WCLimit : 300
% 0.09/0.36 % DateTime : Fri Sep 25 03:08:05 UTC 2026
% 0.09/0.36 % CPUTime :
% 0.09/0.36 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.09/0.40 Running first-order theorem proving
% 0.09/0.40 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
% 0.09/0.41
% 0.09/0.41 % ======== iProver multi-core TPTP/SMT =========
% 0.09/0.41
% 0.09/0.41 % Detected problem language: tptp
% 0.09/0.42 % Proving...
% 1.08/1.27 % SZS status Started for theBenchmark.p
% 1.08/1.27 % SZS status Theorem for theBenchmark.p
% 1.08/1.27
% 1.08/1.27 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.08/1.27
% 1.08/1.27 % ------ iProver source info
% 1.08/1.27
% 1.08/1.27 % git: date: 2026-07-19 20:42:38 +0200
% 1.08/1.27 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.08/1.27 % git: non_committed_changes: false
% 1.08/1.27
% 1.08/1.27 % ------ Parsing...
% 1.08/1.27 % ------ Clausification by vclausify_rel & Parsing by iProver...% ------ preprocesses with Global Options Modified: tff_prep: switching off prep_sem_filter, sub_typing, pure_diseq_elim
% 1.08/1.27 %
% 1.08/1.27
% 1.08/1.27 % ------ Preprocessing...%
% 1.08/1.27
% 1.08/1.27 % SZS status Theorem for theBenchmark.p
% 1.08/1.27
% 1.08/1.27 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.08/1.27
% 1.08/1.27
%------------------------------------------------------------------------------