%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : CAT019-1 : 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 : n001.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 01:01:12 PM UTC 2026
% Result : Unsatisfiable 1.18s 1.32s
% Output : CNFRefutation 1.18s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 2
% Syntax : Number of formulae : 6 ( 5 unt; 0 def)
% Number of atoms : 7 ( 6 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 4 ( 3 ~; 1 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 2 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of types : 0 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 2 ( 2 usr; 2 con; 0-0 aty)
% Number of variables : 1 ( 0 sgn 1 !; 0 ?; 0 :)
% Comments :
%------------------------------------------------------------------------------
fof(f20,axiom,
! [X0] :
( c1 != X0
| c2 = X0 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equality_to_c1_and_c2_2) ).
fof(f21,negated_conjecture,
c2 != c1,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_c1_equals_c2) ).
fof(f23,plain,
c2 = c1,
inference(equality_resolution,[],[f20]) ).
tcf(c_89,plain,
c2 = c1,
inference(cnf_transformation,[],[f23]) ).
tcf(c_90,negated_conjecture,
c2 != c1,
inference(cnf_transformation,[],[f21]) ).
tcf(c_95,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_90,c_89]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : CAT019-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.14/0.41 % Computer : n001.cluster.edu
% 0.14/0.41 % Model : x86_64 x86_64
% 0.14/0.41 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.41 % Memory : 8046.5625MB
% 0.14/0.41 % OS : Linux 6.8.0-71-generic
% 0.14/0.41 % CPULimit : 300
% 0.14/0.41 % WCLimit : 300
% 0.14/0.41 % DateTime : Fri Sep 25 07:03:54 UTC 2026
% 0.14/0.41 % CPUTime :
% 0.14/0.41 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.14/0.45 Running first-order theorem proving
% 0.14/0.45 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
% 0.19/0.46
% 0.19/0.46 % ======== iProver multi-core TPTP/SMT =========
% 0.19/0.46
% 0.19/0.46 % Detected problem language: tptp
% 0.19/0.47 % Proving...
% 1.18/1.32 % SZS status Started for theBenchmark.p
% 1.18/1.32 % SZS status Unsatisfiable for theBenchmark.p
% 1.18/1.32
% 1.18/1.32 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.18/1.32
% 1.18/1.32 % ------ iProver source info
% 1.18/1.32
% 1.18/1.32 % git: date: 2026-07-19 20:42:38 +0200
% 1.18/1.32 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.18/1.32 % git: non_committed_changes: false
% 1.18/1.32
% 1.18/1.32 % ------ Parsing...% successful
% 1.18/1.32
% 1.18/1.32
% 1.18/1.32 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 1.18/1.32
% 1.18/1.32 % ------ Preprocessing...%
% 1.18/1.32
% 1.18/1.32 % SZS status Unsatisfiable for theBenchmark.p
% 1.18/1.32
% 1.18/1.32 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.18/1.32
% 1.18/1.32
%------------------------------------------------------------------------------