%------------------------------------------------------------------------------
% File : Prover9---2026-6A
% Problem : LCL825-1 : TPTP v9.3.1. Released v4.1.0.
% Transfm : none
% Format : tptp:raw
% Command : prover9 -casc 300 -f /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n019.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 : Sun Sep 27 07:59:51 AM UTC 2026
% Result : Unsatisfiable 0.10s 0.46s
% Output : CNFRefutation 0.10s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 3
% Syntax : Number of formulae : 8 ( 8 unt; 0 def)
% Number of atoms : 8 ( 2 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 3 ( 3 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 2 avg)
% Maximal term depth : 7 ( 2 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-3 aty)
% Number of functors : 11 ( 11 usr; 6 con; 0-4 aty)
% Number of variables : 10 ( 2 sgn 5 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(cls_listsp_ONil_0,axiom,
! [VAR_0,VAR_1] : c_List_Olistsp(VAR_0,c_List_Olist_ONil(VAR_1),VAR_1),
file('theBenchmark.p',cls_listsp_ONil_0) ).
cnf(c_565,plain,
c_List_Olistsp(A,c_List_Olist_ONil(B),B),
inference(clausify,[status(thm)],[cls_listsp_ONil_0]) ).
fof(cls_map__is__Nil__conv_1,axiom,
! [VAR_0,VAR_1,VAR_2] : c_List_Omap(VAR_0,c_List_Olist_ONil(VAR_1),VAR_1,VAR_2) = c_List_Olist_ONil(VAR_2),
file('theBenchmark.p',cls_map__is__Nil__conv_1) ).
cnf(c_567,plain,
c_List_Omap(A,c_List_Olist_ONil(B),B,C) = c_List_Olist_ONil(C),
inference(clausify,[status(thm)],[cls_map__is__Nil__conv_1]) ).
fof(cls_conjecture_0,axiom,
~ c_List_Olistsp(c_InductTermi_OIT,c_List_Omap(hAPP(c_COMBC(hAPP(c_COMBC(c_Lambda_Osubst,tc_Lambda_OdB,tc_Lambda_OdB,tc_fun(tc_nat,tc_Lambda_OdB)),v_u____),tc_Lambda_OdB,tc_nat,tc_Lambda_OdB),v_i____),c_List_Olist_ONil(tc_Lambda_OdB),tc_Lambda_OdB,tc_Lambda_OdB),tc_Lambda_OdB),
file('theBenchmark.p',cls_conjecture_0) ).
cnf(c_570,plain,
~ c_List_Olistsp(c_InductTermi_OIT,c_List_Omap(hAPP(c_COMBC(hAPP(c_COMBC(c_Lambda_Osubst,tc_Lambda_OdB,tc_Lambda_OdB,tc_fun(tc_nat,tc_Lambda_OdB)),v_u____),tc_Lambda_OdB,tc_nat,tc_Lambda_OdB),v_i____),c_List_Olist_ONil(tc_Lambda_OdB),tc_Lambda_OdB,tc_Lambda_OdB),tc_Lambda_OdB),
inference(clausify,[status(thm)],[cls_conjecture_0]) ).
cnf(c_572,plain,
~ c_List_Olistsp(c_InductTermi_OIT,c_List_Olist_ONil(tc_Lambda_OdB),tc_Lambda_OdB),
inference(paramod,[status(thm)],[c_567,c_570]) ).
cnf(c_571,plain,
$false,
inference(resolve,[status(thm)],[c_565,c_572]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : LCL825-1 : TPTP v9.3.1. Released v4.1.0.
% 0.00/0.04 % Command : prover9 -casc 300 -f /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.10/0.36 % Computer : n019.cluster.edu
% 0.10/0.36 % Model : x86_64 x86_64
% 0.10/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.36 % Memory : 8046.5625MB
% 0.10/0.36 % OS : Linux 6.8.0-71-generic
% 0.10/0.36 % CPULimit : 300
% 0.10/0.36 % WCLimit : 300
% 0.10/0.36 % DateTime : Fri Sep 25 23:39:48 UTC 2026
% 0.10/0.37 % CPUTime :
% 0.10/0.37 % Prover9 (64) version 2026-6A, July 2026, CASC-J13.
% 0.10/0.37 % Process 4000389 was started by sandbox2 on n019,
% 0.10/0.37 % Fri Sep 25 23:39:48 2026
% 0.10/0.37 % The command was "/export/starexec/sandbox2/solver/bin/prover9 -casc 300 -f /export/starexec/sandbox2/benchmark/theBenchmark.p".
% 0.10/0.39
% 0.10/0.39 % From the command line: assign(max_seconds, 300).
% 0.10/0.46
% 0.10/0.46 % SZS status Unsatisfiable for theBenchmark
% 0.10/0.46
% 0.10/0.46 % Proof 1 at 0.06 (+ 0.01) seconds.
% 0.10/0.46 % Length of proof is 4.
% 0.10/0.46 % Level of proof is 1.
% 0.10/0.46 % Maximum clause weight is 24.000.
% 0.10/0.46 % Given clauses 0.
% 0.10/0.46
% 0.10/0.46 % SZS output start CNFRefutation for theBenchmark
% See solution above
%------------------------------------------------------------------------------