%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SYN731-1 : TPTP v9.3.1. Released v2.5.0.
% 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 03:41:30 PM UTC 2026
% Result : Unsatisfiable 1.04s 1.49s
% Output : CNFRefutation 1.04s
% 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; 0-3 aty)
% Number of functors : 1 ( 1 usr; 0 con; 2-2 aty)
% Number of variables : 8 ( 0 sgn 8 !; 0 ?; 4 :)
% Comments :
%------------------------------------------------------------------------------
fof(f1,negated_conjecture,
! [X0,X1] : p(X0,X1,sk1(X1,X0)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',x2150_1) ).
fof(f2,negated_conjecture,
! [X0,X1] : ~ p(X0,X0,X1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',x2150_2) ).
tcf(c_51,negated_conjecture,
! [X0: $i,X1: $i] : p(X0,X1,sk1(X1,X0)),
inference(cnf_transformation,[],[f1]) ).
tcf(c_52,negated_conjecture,
! [X0: $i,X1: $i] : ~ p(X0,X0,X1),
inference(cnf_transformation,[],[f2]) ).
tcf(c_59,plain,
$false,
inference(resolution,[status(thm)],[c_51,c_52]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYN731-1 : TPTP v9.3.1. Released v2.5.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.10/0.59 % Computer : n018.cluster.edu
% 0.10/0.59 % Model : x86_64 x86_64
% 0.10/0.59 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.59 % Memory : 8046.5625MB
% 0.10/0.59 % OS : Linux 6.8.0-71-generic
% 0.10/0.59 % CPULimit : 300
% 0.10/0.59 % WCLimit : 300
% 0.10/0.59 % DateTime : Fri Sep 25 02:15:35 UTC 2026
% 0.10/0.59 % CPUTime :
% 0.10/0.59 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.10/0.63 Running first-order theorem proving
% 0.10/0.63 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
% 0.14/0.64
% 0.14/0.64 % ======== iProver multi-core TPTP/SMT =========
% 0.14/0.64
% 0.14/0.64 % Detected problem language: tptp
% 0.14/0.65 % Proving...
% 1.04/1.49 % SZS status Started for theBenchmark.p
% 1.04/1.49 % SZS status Unsatisfiable for theBenchmark.p
% 1.04/1.49
% 1.04/1.49 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.04/1.49
% 1.04/1.49 % ------ iProver source info
% 1.04/1.49
% 1.04/1.49 % git: date: 2026-07-19 20:42:38 +0200
% 1.04/1.49 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.04/1.49 % git: non_committed_changes: false
% 1.04/1.49
% 1.04/1.49 % ------ Parsing...% successful
% 1.04/1.49
% 1.04/1.49
% 1.04/1.49 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 1.04/1.49
% 1.04/1.49 % ------ Preprocessing... sf_s rm: 0 0s sf_e pe_s %
% 1.04/1.49
% 1.04/1.49 % SZS status Unsatisfiable for theBenchmark.p
% 1.04/1.49
% 1.04/1.49 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.04/1.49
% 1.04/1.49
%------------------------------------------------------------------------------