%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : GRA001-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n016.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 01:23:33 PM UTC 2026
% Result : Unsatisfiable 1.18s 6.51s
% Output : CNFRefutation 1.18s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 12
% Syntax : Number of formulae : 25 ( 1 unt; 0 def)
% Number of atoms : 65 ( 0 equ)
% Maximal formula atoms : 3 ( 2 avg)
% Number of connectives : 72 ( 32 ~; 40 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 3 avg)
% Maximal term depth : 0 ( 0 avg)
% Number of types : 0 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 6 ( 5 usr; 6 prp; 0-0 aty)
% Number of functors : 0 ( 0 usr; 0 con; --- aty)
% Number of variables : 0 ( 0 sgn 0 !; 0 ?; 0 :)
% Comments :
%------------------------------------------------------------------------------
fof(f1,negated_conjecture,
( b
| a ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_1) ).
fof(f2,negated_conjecture,
( ~ b
| ~ a ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_2) ).
fof(f3,negated_conjecture,
( ~ d
| c
| a ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_3) ).
fof(f4,negated_conjecture,
( d
| ~ c
| a ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_4) ).
fof(f5,negated_conjecture,
( d
| c
| ~ a ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_5) ).
fof(f6,negated_conjecture,
( ~ d
| ~ c
| ~ a ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_6) ).
fof(f7,negated_conjecture,
( ~ e
| c
| b ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_7) ).
fof(f8,negated_conjecture,
( e
| ~ c
| b ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_8) ).
fof(f9,negated_conjecture,
( e
| c
| ~ b ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_9) ).
fof(f10,negated_conjecture,
( ~ e
| ~ c
| ~ b ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_10) ).
fof(f11,negated_conjecture,
( ~ e
| d ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_11) ).
fof(f12,negated_conjecture,
( e
| ~ d ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_12) ).
tcf(c_61,negated_conjecture,
( b
| a ),
inference(cnf_transformation,[],[f1]) ).
tcf(c_62,negated_conjecture,
( ~ b
| ~ a ),
inference(cnf_transformation,[],[f2]) ).
tcf(c_63,negated_conjecture,
( c
| a
| ~ d ),
inference(cnf_transformation,[],[f3]) ).
tcf(c_64,negated_conjecture,
( d
| a
| ~ c ),
inference(cnf_transformation,[],[f4]) ).
tcf(c_65,negated_conjecture,
( d
| c
| ~ a ),
inference(cnf_transformation,[],[f5]) ).
tcf(c_66,negated_conjecture,
( ~ d
| ~ c
| ~ a ),
inference(cnf_transformation,[],[f6]) ).
tcf(c_67,negated_conjecture,
( c
| b
| ~ e ),
inference(cnf_transformation,[],[f7]) ).
tcf(c_68,negated_conjecture,
( e
| b
| ~ c ),
inference(cnf_transformation,[],[f8]) ).
tcf(c_69,negated_conjecture,
( e
| c
| ~ b ),
inference(cnf_transformation,[],[f9]) ).
tcf(c_70,negated_conjecture,
( ~ e
| ~ c
| ~ b ),
inference(cnf_transformation,[],[f10]) ).
tcf(c_71,negated_conjecture,
( d
| ~ e ),
inference(cnf_transformation,[],[f11]) ).
tcf(c_72,negated_conjecture,
( e
| ~ d ),
inference(cnf_transformation,[],[f12]) ).
tcf(c_73,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_66,c_70,c_62,c_63,c_64,c_65,c_67,c_68,c_69,c_71,c_72,c_61]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : GRA001-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.11/5.60 % Computer : n016.cluster.edu
% 0.11/5.60 % Model : x86_64 x86_64
% 0.11/5.60 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/5.60 % Memory : 8046.5625MB
% 0.11/5.60 % OS : Linux 6.8.0-71-generic
% 0.11/5.60 % CPULimit : 300
% 0.11/5.60 % WCLimit : 300
% 0.11/5.60 % DateTime : Wed Sep 23 12:46:47 UTC 2026
% 0.11/5.60 % CPUTime :
% 0.11/5.60 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.11/5.64 Running first-order theorem proving
% 0.11/5.64 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
% 0.11/5.65
% 0.11/5.65 % ======== iProver multi-core TPTP/SMT =========
% 0.11/5.65
% 0.11/5.65 % Detected problem language: tptp
% 0.11/5.67 % Proving...
% 1.18/6.51 % SZS status Started for theBenchmark.p
% 1.18/6.51 % SZS status Unsatisfiable for theBenchmark.p
% 1.18/6.51
% 1.18/6.51 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.18/6.51
% 1.18/6.51 % ------ iProver source info
% 1.18/6.51
% 1.18/6.51 % git: date: 2026-07-19 20:42:38 +0200
% 1.18/6.51 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.18/6.51 % git: non_committed_changes: false
% 1.18/6.51
% 1.18/6.51 % ------ Parsing...% successful
% 1.18/6.51
% 1.18/6.51
% 1.18/6.51 % ------ Clausification by vclausify_rel & Parsing by iProver...% ------ preprocesses with Option_epr_non_horn_non_eq
% 1.18/6.51 %
% 1.18/6.51
% 1.18/6.51 % ------ Preprocessing...%
% 1.18/6.51
% 1.18/6.51 % SZS status Unsatisfiable for theBenchmark.p
% 1.18/6.51
% 1.18/6.51 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.18/6.51
% 1.18/6.51
%------------------------------------------------------------------------------