%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SYN331-1 : TPTP v9.3.1. Released v1.2.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox2/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 03:39:44 PM UTC 2026
% Result : Unsatisfiable 1.56s 16.32s
% Output : CNFRefutation 1.56s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 3
% Syntax : Number of formulae : 11 ( 4 unt; 0 def)
% Number of atoms : 18 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 13 ( 6 ~; 7 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 4 avg)
% Maximal term depth : 3 ( 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 : 1 ( 1 usr; 0 con; 2-2 aty)
% Number of variables : 20 ( 0 sgn 20 !; 0 ?; 14 :)
% Comments :
%------------------------------------------------------------------------------
fof(f3,negated_conjecture,
! [X0,X1] :
( ~ f(z(X0,X1),z(X0,X1))
| f(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause3) ).
fof(f5,negated_conjecture,
! [X0,X1] :
( f(z(X1,X0),z(X1,X0))
| f(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause5) ).
fof(f6,negated_conjecture,
! [X0,X1] : ~ f(z(X0,X1),X0),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause6) ).
tcf(c_58,negated_conjecture,
! [X0: $i,X1: $i] :
( f(X0,X1)
| ~ f(z(X0,X1),z(X0,X1)) ),
inference(cnf_transformation,[],[f3]) ).
tcf(c_60,negated_conjecture,
! [X0: $i,X1: $i] :
( f(X1,X0)
| f(z(X0,X1),z(X0,X1)) ),
inference(cnf_transformation,[],[f5]) ).
tcf(c_61,negated_conjecture,
! [X0: $i,X1: $i] : ~ f(z(X0,X1),X0),
inference(cnf_transformation,[],[f6]) ).
tcf(c_72,plain,
! [X0: $i,X1: $i] :
( f(X1,X0)
| f(X0,X1) ),
inference(prop_impl_just,[status(thm)],[c_60,c_58]) ).
tcf(c_111,negated_conjecture,
! [X0: $i,X1: $i] :
( f(X0,X1)
| ~ f(z(X0,X1),z(X0,X1)) ),
inference(demodulation,[status(thm)],[c_58]) ).
tcf(c_114,plain,
! [X0: $i,X1: $i] :
( f(z(X0,X1),X0)
| ~ f(z(z(X0,X1),X0),z(z(X0,X1),X0)) ),
inference(instantiation,[status(thm)],[c_111]) ).
tcf(c_119,plain,
! [X0: $i,X1: $i] : f(z(z(X0,X1),X0),z(z(X0,X1),X0)),
inference(instantiation,[status(thm)],[c_72]) ).
tcf(c_122,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_119,c_114,c_61]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYN331-1 : TPTP v9.3.1. Released v1.2.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.11/15.40 % Computer : n010.cluster.edu
% 0.11/15.40 % Model : x86_64 x86_64
% 0.11/15.40 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/15.40 % Memory : 8046.5625MB
% 0.11/15.40 % OS : Linux 6.8.0-71-generic
% 0.11/15.40 % CPULimit : 300
% 0.11/15.40 % WCLimit : 300
% 0.11/15.40 % DateTime : Fri Sep 25 00:52:46 UTC 2026
% 0.11/15.41 % CPUTime :
% 0.11/15.41 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.11/15.44 Running first-order theorem proving
% 0.11/15.44 Running: /export/starexec/sandbox2/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s fof_schedule -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.11/15.46
% 0.11/15.46 % ======== iProver multi-core TPTP/SMT =========
% 0.11/15.46
% 0.11/15.46 % Detected problem language: tptp
% 0.11/15.47 % Proving...
% 1.56/16.32 % SZS status Started for theBenchmark.p
% 1.56/16.32 % SZS status Unsatisfiable for theBenchmark.p
% 1.56/16.32
% 1.56/16.32 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.56/16.32
% 1.56/16.32 % ------ iProver source info
% 1.56/16.32
% 1.56/16.32 % git: date: 2026-07-19 20:42:38 +0200
% 1.56/16.32 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.56/16.32 % git: non_committed_changes: false
% 1.56/16.32
% 1.56/16.32 % ------ Parsing...% successful
% 1.56/16.32
% 1.56/16.32
% 1.56/16.32 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 1.56/16.32
% 1.56/16.32 % ------ Preprocessing... sf_s rm: 0 0s sf_e pe_s pe_e %
% 1.56/16.32
% 1.56/16.32 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e
% 1.56/16.32 % ------ Proving...
% 1.56/16.32 % ------ Problem Properties
% 1.56/16.32
% 1.56/16.32 %
% 1.56/16.32 % clauses 7
% 1.56/16.32 % conjectures 6
% 1.56/16.32 % EPR 1
% 1.56/16.32 % Horn 6
% 1.56/16.32 % unary 4
% 1.56/16.32 % binary 3
% 1.56/16.32 % lits 10
% 1.56/16.32 % lits eq 0
% 1.56/16.32 % fd_pure 0
% 1.56/16.32 % fd_pseudo 0
% 1.56/16.32 % fd_cond 0
% 1.56/16.32 % fd_pseudo_cond 0
% 1.56/16.32 % AC symbols 0
% 1.56/16.32
% 1.56/16.32 % ------ Schedule dynamic 5 is on
% 1.56/16.32
% 1.56/16.32 % ------ no equalities: superposition off
% 1.56/16.32
% 1.56/16.32 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.56/16.32
% 1.56/16.32
% 1.56/16.32 % ------
% 1.56/16.32 % Current options:
% 1.56/16.32 % ------
% 1.56/16.32
% 1.56/16.32
% 1.56/16.32 %
% 1.56/16.32
% 1.56/16.32 % ------ Proving...
% 1.56/16.32 %
% 1.56/16.32
% 1.56/16.32 % SZS status Unsatisfiable for theBenchmark.p
% 1.56/16.32
% 1.56/16.32 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.56/16.32
% 1.56/16.32
%------------------------------------------------------------------------------