%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SYN060-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% Computer : n013.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 03:39:02 PM UTC 2026
% Result : Unsatisfiable 1.55s 1.25s
% Output : CNFRefutation 1.55s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 4
% Syntax : Number of formulae : 12 ( 3 unt; 0 def)
% Number of atoms : 21 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 17 ( 8 ~; 9 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 3 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 : 4 ( 3 usr; 1 prp; 0-1 aty)
% Number of functors : 1 ( 1 usr; 1 con; 0-0 aty)
% Number of variables : 6 ( 0 sgn 6 !; 0 ?; 3 :)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X0] :
( ~ big_h(X0)
| ~ big_f(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause_1) ).
fof(f5,axiom,
! [X0] :
( big_f(X0)
| big_i(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause_5) ).
fof(f6,axiom,
! [X0] :
( big_h(X0)
| big_i(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause_6) ).
fof(f7,negated_conjecture,
~ big_i(a),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause_7) ).
tcf(c_56,negated_conjecture,
~ big_i(a),
inference(cnf_transformation,[],[f7]) ).
tcf(c_57,plain,
! [X0: $i] :
( big_i(X0)
| big_h(X0) ),
inference(cnf_transformation,[],[f6]) ).
tcf(c_58,plain,
! [X0: $i] :
( big_i(X0)
| big_f(X0) ),
inference(cnf_transformation,[],[f5]) ).
tcf(c_61,plain,
! [X0: $i] :
( ~ big_h(X0)
| ~ big_f(X0) ),
inference(cnf_transformation,[],[f1]) ).
tcf(c_65,plain,
( big_i(a)
| big_f(a) ),
inference(instantiation,[status(thm)],[c_58]) ).
tcf(c_66,plain,
( big_i(a)
| big_h(a) ),
inference(instantiation,[status(thm)],[c_57]) ).
tcf(c_67,plain,
( ~ big_h(a)
| ~ big_f(a) ),
inference(instantiation,[status(thm)],[c_61]) ).
tcf(c_68,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_67,c_66,c_65,c_56]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYN060-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.10/0.38 % Computer : n013.cluster.edu
% 0.10/0.38 % Model : x86_64 x86_64
% 0.10/0.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.38 % Memory : 8046.5625MB
% 0.10/0.38 % OS : Linux 6.8.0-71-generic
% 0.10/0.38 % CPULimit : 300
% 0.10/0.38 % WCLimit : 300
% 0.10/0.38 % DateTime : Thu Sep 24 23:58:36 UTC 2026
% 0.10/0.39 % CPUTime :
% 0.10/0.39 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.10/0.42 Running EPR theorem proving
% 0.10/0.42 Running: /export/starexec/sandbox2/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s epr_schedule -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.10/0.44
% 0.10/0.44 % ======== iProver multi-core TPTP/SMT =========
% 0.10/0.44
% 0.10/0.44 % Detected problem language: tptp
% 0.10/0.45 % Proving...
% 1.55/1.25 % SZS status Started for theBenchmark.p
% 1.55/1.25 % SZS status Unsatisfiable for theBenchmark.p
% 1.55/1.25
% 1.55/1.25 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.55/1.25
% 1.55/1.25 % ------ iProver source info
% 1.55/1.25
% 1.55/1.25 % git: date: 2026-07-19 20:42:38 +0200
% 1.55/1.25 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.55/1.25 % git: non_committed_changes: false
% 1.55/1.25
% 1.55/1.25 % ------ Parsing...% successful
% 1.55/1.25
% 1.55/1.25
% 1.55/1.25 % ------ Clausification by vclausify_rel & Parsing by iProver...% ------ preprocesses with Option_epr_non_horn_non_eq
% 1.55/1.25 %
% 1.55/1.25
% 1.55/1.25 % ------ Preprocessing...%
% 1.55/1.25
% 1.55/1.25 % SZS status Unsatisfiable for theBenchmark.p
% 1.55/1.25
% 1.55/1.25 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.55/1.25
% 1.55/1.25
%------------------------------------------------------------------------------