%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SYN326-1 : 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 : n004.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 03:39:43 PM UTC 2026
% Result : Unsatisfiable 1.25s 1.30s
% Output : CNFRefutation 1.25s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 4
% Syntax : Number of formulae : 12 ( 5 unt; 0 def)
% Number of atoms : 19 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 14 ( 7 ~; 7 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 3 avg)
% Maximal term depth : 4 ( 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; 0-2 aty)
% Number of functors : 2 ( 2 usr; 0 con; 1-1 aty)
% Number of variables : 11 ( 0 sgn 11 !; 0 ?; 7 :)
% Comments :
%------------------------------------------------------------------------------
fof(f2,negated_conjecture,
! [X0] :
( f(X0,X0)
| g(y(X0)) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause2) ).
fof(f3,negated_conjecture,
! [X0] :
( f(X0,X0)
| ~ h(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause3) ).
fof(f5,negated_conjecture,
! [X0] :
( h(z(X0))
| ~ g(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause5) ).
fof(f7,negated_conjecture,
! [X0] : ~ f(z(X0),z(X0)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause7) ).
tcf(c_57,negated_conjecture,
! [X0: $i] :
( g(y(X0))
| f(X0,X0) ),
inference(cnf_transformation,[],[f2]) ).
tcf(c_58,negated_conjecture,
! [X0: $i] :
( f(X0,X0)
| ~ h(X0) ),
inference(cnf_transformation,[],[f3]) ).
tcf(c_60,negated_conjecture,
! [X0: $i] :
( h(z(X0))
| ~ g(X0) ),
inference(cnf_transformation,[],[f5]) ).
tcf(c_62,negated_conjecture,
! [X0: $i] : ~ f(z(X0),z(X0)),
inference(cnf_transformation,[],[f7]) ).
tcf(c_94,plain,
! [X0: $i] :
( f(X0,X0)
| h(z(y(X0))) ),
inference(resolution,[status(thm)],[c_57,c_60]) ).
tcf(c_104,plain,
! [X0: $i] : h(z(y(z(X0)))),
inference(resolution,[status(thm)],[c_94,c_62]) ).
tcf(c_109,plain,
! [X0: $i] : ~ h(z(X0)),
inference(resolution,[status(thm)],[c_58,c_62]) ).
tcf(c_114,plain,
$false,
inference(backward_subsumption_resolution,[status(thm)],[c_104,c_109]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYN326-1 : TPTP v9.3.1. Released v1.2.0.
% 0.00/0.05 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.11/0.38 % Computer : n004.cluster.edu
% 0.11/0.38 % Model : x86_64 x86_64
% 0.11/0.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.38 % Memory : 8046.5625MB
% 0.11/0.38 % OS : Linux 6.8.0-71-generic
% 0.11/0.38 % CPULimit : 300
% 0.11/0.38 % WCLimit : 300
% 0.11/0.38 % DateTime : Fri Sep 25 00:50:21 UTC 2026
% 0.11/0.38 % CPUTime :
% 0.11/0.38 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.11/0.42 Running first-order theorem proving
% 0.11/0.42 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
% 0.11/0.44
% 0.11/0.44 % ======== iProver multi-core TPTP/SMT =========
% 0.11/0.44
% 0.11/0.44 % Detected problem language: tptp
% 0.11/0.45 % Proving...
% 1.25/1.30 % SZS status Started for theBenchmark.p
% 1.25/1.30 % SZS status Unsatisfiable for theBenchmark.p
% 1.25/1.30
% 1.25/1.30 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.25/1.30
% 1.25/1.30 % ------ iProver source info
% 1.25/1.30
% 1.25/1.30 % git: date: 2026-07-19 20:42:38 +0200
% 1.25/1.30 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.25/1.30 % git: non_committed_changes: false
% 1.25/1.30
% 1.25/1.30 % ------ Parsing...% successful
% 1.25/1.30
% 1.25/1.30
% 1.25/1.30 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 1.25/1.30
% 1.25/1.30 % ------ Preprocessing... sf_s rm: 2 0s sf_e pe_s pe:1:0s%
% 1.25/1.30
% 1.25/1.30 % SZS status Unsatisfiable for theBenchmark.p
% 1.25/1.30
% 1.25/1.30 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.25/1.30
% 1.25/1.30
%------------------------------------------------------------------------------