%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : PLA001-1 : 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 : n026.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 02:30:56 PM UTC 2026
% Result : Unsatisfiable 5.90s 6.75s
% Output : CNFRefutation 5.90s
% Verified :
% SZS Type : Refutation
% Derivation depth : 14
% Number of leaves : 9
% Syntax : Number of formulae : 36 ( 20 unt; 0 def)
% Number of atoms : 72 ( 0 equ)
% Maximal formula atoms : 6 ( 2 avg)
% Number of connectives : 86 ( 50 ~; 36 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 14 ( 5 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 : 6 ( 5 usr; 4 prp; 0-4 aty)
% Number of functors : 12 ( 12 usr; 9 con; 0-2 aty)
% Number of variables : 70 ( 0 sgn 70 !; 0 ?; 59 :)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X2,X3,X0,X1,X4] :
( at(X4,X1,s(s(X2)),drive(X4,X3))
| ~ next_to(X0,X4)
| ~ at(X0,X1,X2,X3) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',drive1) ).
fof(f4,axiom,
! [X2,X3,X0,X1] :
( at(X0,s(X1),s(X2),buy(X3))
| ~ at(X0,X1,X2,X3) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',buy_in_city) ).
fof(f10,axiom,
next_to(cheyenne,northPlatte),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',map6) ).
fof(f11,axiom,
next_to(northPlatte,grandIsland),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',map7) ).
fof(f12,axiom,
next_to(grandIsland,lincoln),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',map8) ).
fof(f13,axiom,
next_to(lincoln,omaha),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',map9) ).
fof(f14,axiom,
next_to(omaha,desMoines),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',map10) ).
fof(f15,axiom,
at(cheyenne,none,start,initial_situation),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',initial) ).
fof(f16,negated_conjecture,
! [X0,X1] : ~ at(desMoines,s(none),X0,X1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_you_gat_get_there_with_bread) ).
tcf(c_65,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i] :
( at(X4,X1,s(s(X2)),drive(X4,X3))
| ~ next_to(X0,X4)
| ~ at(X0,X1,X2,X3) ),
inference(cnf_transformation,[],[f1]) ).
tcf(c_68,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] :
( at(X0,s(X1),s(X2),buy(X3))
| ~ at(X0,X1,X2,X3) ),
inference(cnf_transformation,[],[f4]) ).
tcf(c_74,plain,
next_to(cheyenne,northPlatte),
inference(cnf_transformation,[],[f10]) ).
tcf(c_75,plain,
next_to(northPlatte,grandIsland),
inference(cnf_transformation,[],[f11]) ).
tcf(c_76,plain,
next_to(grandIsland,lincoln),
inference(cnf_transformation,[],[f12]) ).
tcf(c_77,plain,
next_to(lincoln,omaha),
inference(cnf_transformation,[],[f13]) ).
tcf(c_78,plain,
next_to(omaha,desMoines),
inference(cnf_transformation,[],[f14]) ).
tcf(c_79,plain,
at(cheyenne,none,start,initial_situation),
inference(cnf_transformation,[],[f15]) ).
tcf(c_80,negated_conjecture,
! [X0: $i,X1: $i] : ~ at(desMoines,s(none),X0,X1),
inference(cnf_transformation,[],[f16]) ).
tcf(c_329,negated_conjecture,
! [X0_iProver_at_2: iProver_at_2,X0_iProver_at_4: iProver_at_4] : ~ at(desMoines,s(none),X0_iProver_at_2,X0_iProver_at_4),
inference(subtyping,[status(esa)],[c_80]) ).
tcf(c_330,plain,
at(cheyenne,none,start,initial_situation),
inference(subtyping,[status(esa)],[c_79]) ).
tcf(c_332,plain,
next_to(lincoln,omaha),
inference(subtyping,[status(esa)],[c_77]) ).
tcf(c_334,plain,
next_to(northPlatte,grandIsland),
inference(subtyping,[status(esa)],[c_75]) ).
tcf(c_341,plain,
! [X0_iProver_at_1: iProver_at_1,X0_iProver_at_2: iProver_at_2,X0_iProver_at_4: iProver_at_4,X1_iProver_at_2: iProver_at_2] :
( at(X0_iProver_at_1,s(X0_iProver_at_2),s(X1_iProver_at_2),buy(X0_iProver_at_4))
| ~ at(X0_iProver_at_1,X0_iProver_at_2,X1_iProver_at_2,X0_iProver_at_4) ),
inference(subtyping,[status(esa)],[c_68]) ).
tcf(c_344,plain,
! [X0_iProver_at_1: iProver_at_1,X0_iProver_at_2: iProver_at_2,X0_iProver_at_4: iProver_at_4,X1_iProver_at_1: iProver_at_1,X1_iProver_at_2: iProver_at_2] :
( at(X1_iProver_at_1,X0_iProver_at_2,s(s(X1_iProver_at_2)),drive(X1_iProver_at_1,X0_iProver_at_4))
| ~ next_to(X0_iProver_at_1,X1_iProver_at_1)
| ~ at(X0_iProver_at_1,X0_iProver_at_2,X1_iProver_at_2,X0_iProver_at_4) ),
inference(subtyping,[status(esa)],[c_65]) ).
tcf(c_363,plain,
! [X0_iProver_at_2: iProver_at_2,X0_iProver_at_4: iProver_at_4] : ~ at(desMoines,none,X0_iProver_at_2,X0_iProver_at_4),
inference(resolution,[status(thm)],[c_341,c_329]) ).
tcf(c_393,plain,
! [X0_iProver_at_1: iProver_at_1,X0_iProver_at_2: iProver_at_2,X0_iProver_at_4: iProver_at_4] :
( ~ next_to(X0_iProver_at_1,desMoines)
| ~ at(X0_iProver_at_1,none,X0_iProver_at_2,X0_iProver_at_4) ),
inference(resolution,[status(thm)],[c_344,c_363]) ).
tcf(c_416,plain,
! [X0_iProver_at_1: iProver_at_1,X0_iProver_at_2: iProver_at_2,X0_iProver_at_4: iProver_at_4,X1_iProver_at_1: iProver_at_1] :
( ~ next_to(X1_iProver_at_1,desMoines)
| ~ next_to(X0_iProver_at_1,X1_iProver_at_1)
| ~ at(X0_iProver_at_1,none,X0_iProver_at_2,X0_iProver_at_4) ),
inference(resolution,[status(thm)],[c_393,c_344]) ).
tcf(c_516,plain,
! [X0_iProver_at_1: iProver_at_1,X0_iProver_at_2: iProver_at_2,X0_iProver_at_4: iProver_at_4,X1_iProver_at_1: iProver_at_1,X2_iProver_at_1: iProver_at_1] :
( ~ next_to(X2_iProver_at_1,desMoines)
| ~ next_to(X1_iProver_at_1,X2_iProver_at_1)
| ~ next_to(X0_iProver_at_1,X1_iProver_at_1)
| ~ at(X0_iProver_at_1,none,X0_iProver_at_2,X0_iProver_at_4) ),
inference(resolution,[status(thm)],[c_416,c_344]) ).
tcf(c_859,plain,
! [X0_iProver_at_1: iProver_at_1,X0_iProver_at_2: iProver_at_2,X0_iProver_at_4: iProver_at_4,X1_iProver_at_1: iProver_at_1,X2_iProver_at_1: iProver_at_1,X3_iProver_at_1: iProver_at_1] :
( ~ next_to(X3_iProver_at_1,desMoines)
| ~ next_to(X2_iProver_at_1,X3_iProver_at_1)
| ~ next_to(X1_iProver_at_1,X2_iProver_at_1)
| ~ next_to(X0_iProver_at_1,X1_iProver_at_1)
| ~ at(X0_iProver_at_1,none,X0_iProver_at_2,X0_iProver_at_4) ),
inference(resolution,[status(thm)],[c_516,c_344]) ).
tcf(c_2254,plain,
! [X0_iProver_at_1: iProver_at_1,X0_iProver_at_2: iProver_at_2,X0_iProver_at_4: iProver_at_4,X1_iProver_at_1: iProver_at_1,X2_iProver_at_1: iProver_at_1,X3_iProver_at_1: iProver_at_1,X4_iProver_at_1: iProver_at_1] :
( ~ next_to(X4_iProver_at_1,desMoines)
| ~ next_to(X3_iProver_at_1,X4_iProver_at_1)
| ~ next_to(X2_iProver_at_1,X3_iProver_at_1)
| ~ next_to(X1_iProver_at_1,X2_iProver_at_1)
| ~ next_to(X0_iProver_at_1,X1_iProver_at_1)
| ~ at(X0_iProver_at_1,none,X0_iProver_at_2,X0_iProver_at_4) ),
inference(resolution,[status(thm)],[c_859,c_344]) ).
tcf(c_8386,plain,
! [X0_iProver_at_1: iProver_at_1,X1_iProver_at_1: iProver_at_1,X2_iProver_at_1: iProver_at_1,X3_iProver_at_1: iProver_at_1] :
( ~ next_to(cheyenne,X0_iProver_at_1)
| ~ next_to(X3_iProver_at_1,desMoines)
| ~ next_to(X2_iProver_at_1,X3_iProver_at_1)
| ~ next_to(X1_iProver_at_1,X2_iProver_at_1)
| ~ next_to(X0_iProver_at_1,X1_iProver_at_1) ),
inference(resolution,[status(thm)],[c_2254,c_330]) ).
tcf(c_8421,plain,
! [X0_iProver_at_1: iProver_at_1,X1_iProver_at_1: iProver_at_1] :
( ~ next_to(omaha,desMoines)
| ~ next_to(cheyenne,X0_iProver_at_1)
| ~ next_to(X1_iProver_at_1,lincoln)
| ~ next_to(X0_iProver_at_1,X1_iProver_at_1) ),
inference(resolution,[status(thm)],[c_8386,c_332]) ).
tcf(c_8422,plain,
! [X0_iProver_at_1: iProver_at_1,X1_iProver_at_1: iProver_at_1] :
( ~ next_to(X0_iProver_at_1,X1_iProver_at_1)
| ~ next_to(X1_iProver_at_1,lincoln)
| ~ next_to(cheyenne,X0_iProver_at_1) ),
inference(global_subsumption_just,[status(thm)],[c_8421,c_78,c_8421]) ).
tcf(c_8423,plain,
! [X0_iProver_at_1: iProver_at_1,X1_iProver_at_1: iProver_at_1] :
( ~ next_to(cheyenne,X0_iProver_at_1)
| ~ next_to(X1_iProver_at_1,lincoln)
| ~ next_to(X0_iProver_at_1,X1_iProver_at_1) ),
inference(renaming,[status(thm)],[c_8422]) ).
tcf(c_8497,plain,
( ~ next_to(grandIsland,lincoln)
| ~ next_to(cheyenne,northPlatte) ),
inference(resolution,[status(thm)],[c_8423,c_334]) ).
tcf(c_8498,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_8497,c_74,c_76]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PLA001-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.11/5.38 % Computer : n026.cluster.edu
% 0.11/5.38 % Model : x86_64 x86_64
% 0.11/5.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/5.38 % Memory : 8046.5625MB
% 0.11/5.38 % OS : Linux 6.8.0-71-generic
% 0.11/5.38 % CPULimit : 300
% 0.11/5.38 % WCLimit : 300
% 0.11/5.38 % DateTime : Thu Sep 24 06:10:30 UTC 2026
% 0.11/5.38 % CPUTime :
% 0.11/5.38 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.15/5.42 Running first-order theorem proving
% 0.15/5.42 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
% 0.15/5.43
% 0.15/5.43 % ======== iProver multi-core TPTP/SMT =========
% 0.15/5.43
% 0.15/5.44 % Detected problem language: tptp
% 0.15/5.45 % Proving...
% 5.90/6.75 % SZS status Started for theBenchmark.p
% 5.90/6.75 % SZS status Unsatisfiable for theBenchmark.p
% 5.90/6.75
% 5.90/6.75 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 5.90/6.75
% 5.90/6.75 % ------ iProver source info
% 5.90/6.75
% 5.90/6.75 % git: date: 2026-07-19 20:42:38 +0200
% 5.90/6.75 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 5.90/6.75 % git: non_committed_changes: false
% 5.90/6.75
% 5.90/6.75 % ------ Parsing...% successful
% 5.90/6.75
% 5.90/6.75
% 5.90/6.75 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 5.90/6.75
% 5.90/6.75 % ------ Preprocessing... sf_s rm: 0 0s sf_e pe_s pe_e %
% 5.90/6.75
% 5.90/6.75 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e
% 5.90/6.75 % ------ Proving...
% 5.90/6.75 % ------ Problem Properties
% 5.90/6.75
% 5.90/6.75 %
% 5.90/6.75 % clauses 16
% 5.90/6.75 % conjectures 1
% 5.90/6.75 % EPR 11
% 5.90/6.75 % Horn 16
% 5.90/6.75 % unary 12
% 5.90/6.75 % binary 2
% 5.90/6.75 % lits 22
% 5.90/6.75 % lits eq 0
% 5.90/6.75 % fd_pure 0
% 5.90/6.75 % fd_pseudo 0
% 5.90/6.75 % fd_cond 0
% 5.90/6.75 % fd_pseudo_cond 0
% 5.90/6.75 % AC symbols 0
% 5.90/6.75
% 5.90/6.75 % ------ Input Options Time Limit: Unbounded
% 5.90/6.75
% 5.90/6.75
% 5.90/6.75 % ------
% 5.90/6.75 % Current options:
% 5.90/6.75 % ------
% 5.90/6.75
% 5.90/6.75
% 5.90/6.75 %
% 5.90/6.75
% 5.90/6.75 % ------ Proving...
% 5.90/6.75 %
% 5.90/6.75
% 5.90/6.75 % SZS status Unsatisfiable for theBenchmark.p
% 5.90/6.75
% 5.90/6.75 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 5.90/6.75
% 5.90/6.75
%------------------------------------------------------------------------------