%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : GEO146-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n008.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 01:20:00 PM UTC 2026
% Result : Unsatisfiable 2.78s 6.38s
% Output : CNFRefutation 2.78s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 5
% Syntax : Number of formulae : 16 ( 3 unt; 0 def)
% Number of atoms : 29 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 25 ( 12 ~; 13 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 6 ( 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 : 3 ( 2 usr; 1 prp; 0-3 aty)
% Number of functors : 5 ( 5 usr; 3 con; 0-2 aty)
% Number of variables : 22 ( 0 sgn 22 !; 0 ?; 14 :)
% Comments :
%------------------------------------------------------------------------------
fof(f124,axiom,
! [X2,X0,X1] :
( once(at_the_same_time(at(X0,X2),at(X1,X2)))
| ~ connect(X0,X1,X2) ),
file('/export/starexec/sandbox/benchmark/Axioms/GEO004-3.ax',connect_defn_1) ).
fof(f125,axiom,
! [X2,X0,X1] :
( connect(X0,X2,X1)
| ~ once(at_the_same_time(at(X0,X1),at(X2,X1))) ),
file('/export/starexec/sandbox/benchmark/Axioms/GEO004-3.ax',connect_defn_2) ).
fof(f127,axiom,
! [X0,X1] :
( once(at_the_same_time(X1,X0))
| ~ once(at_the_same_time(X0,X1)) ),
file('/export/starexec/sandbox/benchmark/Axioms/GEO004-3.ax',symmetry_of_at_the_same_time_4) ).
fof(f138,negated_conjecture,
( connect(sk28,sk27,sk29)
| connect(sk27,sk28,sk29) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',t12_156) ).
fof(f141,negated_conjecture,
( ~ connect(sk27,sk28,sk29)
| ~ connect(sk28,sk27,sk29) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',t12_159) ).
tcf(c_248,plain,
! [X0: $i,X1: $i,X2: $i] :
( once(at_the_same_time(at(X0,X2),at(X1,X2)))
| ~ connect(X0,X1,X2) ),
inference(cnf_transformation,[],[f124]) ).
tcf(c_249,plain,
! [X0: $i,X1: $i,X2: $i] :
( connect(X0,X2,X1)
| ~ once(at_the_same_time(at(X0,X1),at(X2,X1))) ),
inference(cnf_transformation,[],[f125]) ).
tcf(c_251,plain,
! [X0: $i,X1: $i] :
( once(at_the_same_time(X1,X0))
| ~ once(at_the_same_time(X0,X1)) ),
inference(cnf_transformation,[],[f127]) ).
tcf(c_261,negated_conjecture,
( connect(sk28,sk27,sk29)
| connect(sk27,sk28,sk29) ),
inference(cnf_transformation,[],[f138]) ).
tcf(c_262,negated_conjecture,
( ~ connect(sk28,sk27,sk29)
| ~ connect(sk27,sk28,sk29) ),
inference(cnf_transformation,[],[f141]) ).
tcf(c_5932,negated_conjecture,
( connect(sk28,sk27,sk29)
| connect(sk27,sk28,sk29) ),
inference(demodulation,[status(thm)],[c_261]) ).
tcf(c_8385,plain,
! [X0: $i,X1: $i,X2: $i] :
( once(at_the_same_time(at(X1,X2),at(X0,X2)))
| ~ connect(X0,X1,X2) ),
inference(superposition,[status(thm)],[c_248,c_251]) ).
tcf(c_8718,plain,
! [X0: $i,X1: $i,X2: $i] :
( connect(X1,X0,X2)
| ~ connect(X0,X1,X2) ),
inference(superposition,[status(thm)],[c_8385,c_249]) ).
tcf(c_8806,plain,
connect(sk28,sk27,sk29),
inference(backward_subsumption_resolution,[status(thm)],[c_5932,c_8718]) ).
tcf(c_8816,plain,
connect(sk27,sk28,sk29),
inference(superposition,[status(thm)],[c_8806,c_8718]) ).
tcf(c_8819,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_8816,c_8806,c_262]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : GEO146-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.05 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.16/5.42 % Computer : n008.cluster.edu
% 0.16/5.42 % Model : x86_64 x86_64
% 0.16/5.42 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/5.42 % Memory : 8046.5625MB
% 0.16/5.42 % OS : Linux 6.8.0-71-generic
% 0.16/5.42 % CPULimit : 300
% 0.16/5.42 % WCLimit : 300
% 0.16/5.42 % DateTime : Wed Sep 23 11:09:16 UTC 2026
% 0.16/5.43 % CPUTime :
% 0.16/5.43 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.16/5.48 Running first-order theorem proving
% 0.16/5.48 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
% 0.16/5.49
% 0.16/5.49 % ======== iProver multi-core TPTP/SMT =========
% 0.16/5.49
% 0.16/5.49 % Detected problem language: tptp
% 0.20/5.50 % Proving...
% 2.78/6.38 % SZS status Started for theBenchmark.p
% 2.78/6.38 % SZS status Unsatisfiable for theBenchmark.p
% 2.78/6.38
% 2.78/6.38 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 2.78/6.38
% 2.78/6.38 % ------ iProver source info
% 2.78/6.38
% 2.78/6.38 % git: date: 2026-07-19 20:42:38 +0200
% 2.78/6.38 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 2.78/6.38 % git: non_committed_changes: false
% 2.78/6.38
% 2.78/6.38 % ------ Parsing...% successful
% 2.78/6.38
% 2.78/6.38
% 2.78/6.38 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 2.78/6.38
% 2.78/6.38 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe_e sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe_e %
% 2.78/6.38
% 2.78/6.38 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 2.78/6.38
% 2.78/6.38 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 2.78/6.38 % ------ Proving...
% 2.78/6.38 % ------ Problem Properties
% 2.78/6.38
% 2.78/6.38 %
% 2.78/6.38 % clauses 99
% 2.78/6.38 % conjectures 2
% 2.78/6.38 % EPR 31
% 2.78/6.38 % Horn 67
% 2.78/6.38 % unary 4
% 2.78/6.38 % binary 46
% 2.78/6.38 % lits 283
% 2.78/6.38 % lits eq 24
% 2.78/6.38 % fd_pure 0
% 2.78/6.38 % fd_pseudo 0
% 2.78/6.38 % fd_cond 0
% 2.78/6.38 % fd_pseudo_cond 17
% 2.78/6.38 % AC symbols 0
% 2.78/6.38
% 2.78/6.38 % ------ Schedule dynamic 5 is on
% 2.78/6.38
% 2.78/6.38 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 2.78/6.38
% 2.78/6.38
% 2.78/6.38 % ------
% 2.78/6.38 % Current options:
% 2.78/6.38 % ------
% 2.78/6.38
% 2.78/6.38
% 2.78/6.38 %
% 2.78/6.38
% 2.78/6.38 % ------ Proving...
% 2.78/6.38 %
% 2.78/6.38
% 2.78/6.38 % SZS status Unsatisfiable for theBenchmark.p
% 2.78/6.38
% 2.78/6.38 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.78/6.38
% 2.78/6.38
%------------------------------------------------------------------------------