TSTP Solution File: PUZ008-3 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : PUZ008-3 : TPTP v8.1.2. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n009.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Thu Aug 31 13:19:26 EDT 2023

% Result   : Unsatisfiable 0.48s 1.16s
% Output   : CNFRefutation 0.48s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   28
%            Number of leaves      :   12
% Syntax   : Number of clauses     :   76 (  12 unt;   0 nHn;  71 RR)
%            Number of literals    :  256 (   0 equ; 191 neg)
%            Maximal clause size   :    7 (   3 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :    8 (   8 usr;   3 con; 0-2 aty)
%            Number of variables   :   42 (   6 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(c_49,plain,
    safe(n0,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',no_missionaries_is_safe) ).

cnf(c_50,plain,
    ( ~ greater_or_equal(X0,X1)
    | safe(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',same_or_more_missionaries_is_safe) ).

cnf(c_51,plain,
    greater_or_equal(X0,n0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',great_eq_base) ).

cnf(c_52,plain,
    ( ~ greater_or_equal(X0,X1)
    | greater_or_equal(s(X0),s(X1)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',great_eq_recursive) ).

cnf(c_54,plain,
    ( ~ achievable(west(m(X0),c(X1)),boatoneast,east(m(X2),c(s(X3))))
    | ~ safe(X0,s(X1))
    | ~ safe(X2,X3)
    | achievable(west(m(X0),c(s(X1))),boatonwest,east(m(X2),c(X3))) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cannibal_east_to_west) ).

cnf(c_55,plain,
    ( ~ achievable(west(m(X0),c(s(s(X1)))),boatonwest,east(m(X2),c(X3)))
    | ~ safe(X2,s(s(X3)))
    | ~ safe(X0,X1)
    | achievable(west(m(X0),c(X1)),boatoneast,east(m(X2),c(s(s(X3))))) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',two_cannibals_west_to_east) ).

cnf(c_58,plain,
    ( ~ achievable(west(m(X0),c(X1)),boatoneast,east(m(s(X2)),c(X3)))
    | ~ safe(s(X0),X1)
    | ~ safe(X2,X3)
    | achievable(west(m(s(X0)),c(X1)),boatonwest,east(m(X2),c(X3))) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',missionary_east_to_west) ).

cnf(c_59,plain,
    ( ~ achievable(west(m(s(s(X0))),c(X1)),boatonwest,east(m(X2),c(X3)))
    | ~ safe(s(s(X2)),X3)
    | ~ safe(X0,X1)
    | achievable(west(m(X0),c(X1)),boatoneast,east(m(s(s(X2))),c(X3))) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',two_missionaries_west_to_east) ).

cnf(c_61,plain,
    ( ~ achievable(west(m(s(X0)),c(s(X1))),boatonwest,east(m(X2),c(X3)))
    | ~ safe(s(X2),s(X3))
    | ~ safe(X0,X1)
    | achievable(west(m(X0),c(X1)),boatoneast,east(m(s(X2)),c(s(X3)))) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',missionary_and_cannibal_west_to_east) ).

cnf(c_62,plain,
    ( ~ achievable(west(m(X0),c(X1)),boatoneast,east(m(s(X2)),c(s(X3))))
    | ~ safe(s(X0),s(X1))
    | ~ safe(X2,X3)
    | achievable(west(m(s(X0)),c(s(X1))),boatonwest,east(m(X2),c(X3))) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',missionary_and_cannibal_east_to_west) ).

cnf(c_63,plain,
    achievable(west(m(s(s(s(n0)))),c(s(s(s(n0))))),boatonwest,east(m(n0),c(n0))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',start_on_west_bank) ).

cnf(c_64,negated_conjecture,
    ~ achievable(west(m(n0),c(n0)),X0,east(m(s(s(s(n0)))),c(s(s(s(n0)))))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_can_get_to_east_bank) ).

cnf(c_176,plain,
    ( ~ greater_or_equal(X0,n0)
    | greater_or_equal(s(X0),s(n0)) ),
    inference(instantiation,[status(thm)],[c_52]) ).

cnf(c_200,plain,
    ( ~ greater_or_equal(s(X0),s(n0))
    | safe(s(X0),s(n0)) ),
    inference(instantiation,[status(thm)],[c_50]) ).

cnf(c_286,plain,
    ( ~ greater_or_equal(s(s(X0)),s(n0))
    | safe(s(s(X0)),s(n0)) ),
    inference(instantiation,[status(thm)],[c_200]) ).

cnf(c_392,plain,
    safe(X0,n0),
    inference(superposition,[status(thm)],[c_51,c_50]) ).

cnf(c_396,plain,
    safe(X0,n0),
    inference(superposition,[status(thm)],[c_51,c_50]) ).

cnf(c_397,plain,
    ( ~ greater_or_equal(s(X0),n0)
    | greater_or_equal(s(s(X0)),s(n0)) ),
    inference(instantiation,[status(thm)],[c_176]) ).

cnf(c_463,plain,
    ( ~ greater_or_equal(X0,X1)
    | safe(s(X0),s(X1)) ),
    inference(superposition,[status(thm)],[c_52,c_50]) ).

cnf(c_471,plain,
    ( ~ greater_or_equal(X0,X1)
    | safe(s(X0),s(X1)) ),
    inference(superposition,[status(thm)],[c_52,c_50]) ).

cnf(c_570,plain,
    ( ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(n0,s(s(n0)))
    | achievable(west(m(s(s(s(n0)))),c(s(n0))),boatoneast,east(m(n0),c(s(s(n0))))) ),
    inference(superposition,[status(thm)],[c_63,c_55]) ).

cnf(c_571,plain,
    ( ~ safe(s(s(s(n0))),s(n0))
    | achievable(west(m(s(s(s(n0)))),c(s(n0))),boatoneast,east(m(n0),c(s(s(n0))))) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_570,c_49]) ).

cnf(c_582,plain,
    ( ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(n0,s(s(n0)))
    | achievable(west(m(s(s(s(n0)))),c(s(n0))),boatoneast,east(m(n0),c(s(s(n0))))) ),
    inference(superposition,[status(thm)],[c_63,c_55]) ).

cnf(c_583,plain,
    ( ~ safe(s(s(s(n0))),s(n0))
    | achievable(west(m(s(s(s(n0)))),c(s(n0))),boatoneast,east(m(n0),c(s(s(n0))))) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_582,c_49]) ).

cnf(c_590,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(n0,s(n0))
    | achievable(west(m(s(s(s(n0)))),c(s(s(n0)))),boatonwest,east(m(n0),c(s(n0)))) ),
    inference(superposition,[status(thm)],[c_571,c_54]) ).

cnf(c_591,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | achievable(west(m(s(s(s(n0)))),c(s(s(n0)))),boatonwest,east(m(n0),c(s(n0)))) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_590,c_49]) ).

cnf(c_599,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(n0,s(n0))
    | achievable(west(m(s(s(s(n0)))),c(s(s(n0)))),boatonwest,east(m(n0),c(s(n0)))) ),
    inference(superposition,[status(thm)],[c_583,c_54]) ).

cnf(c_600,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | achievable(west(m(s(s(s(n0)))),c(s(s(n0)))),boatonwest,east(m(n0),c(s(n0)))) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_599,c_49]) ).

cnf(c_631,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(s(s(s(n0))),n0)
    | ~ safe(n0,s(s(s(n0))))
    | achievable(west(m(s(s(s(n0)))),c(n0)),boatoneast,east(m(n0),c(s(s(s(n0)))))) ),
    inference(superposition,[status(thm)],[c_591,c_55]) ).

cnf(c_639,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | achievable(west(m(s(s(s(n0)))),c(n0)),boatoneast,east(m(n0),c(s(s(s(n0)))))) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_631,c_49,c_392]) ).

cnf(c_650,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(s(s(s(n0))),n0)
    | ~ safe(n0,s(s(s(n0))))
    | achievable(west(m(s(s(s(n0)))),c(n0)),boatoneast,east(m(n0),c(s(s(s(n0)))))) ),
    inference(superposition,[status(thm)],[c_600,c_55]) ).

cnf(c_658,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | achievable(west(m(s(s(s(n0)))),c(n0)),boatoneast,east(m(n0),c(s(s(s(n0)))))) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_650,c_49,c_396]) ).

cnf(c_669,plain,
    greater_or_equal(s(X0),n0),
    inference(instantiation,[status(thm)],[c_51]) ).

cnf(c_686,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(n0,s(s(n0)))
    | achievable(west(m(s(s(s(n0)))),c(s(n0))),boatonwest,east(m(n0),c(s(s(n0))))) ),
    inference(superposition,[status(thm)],[c_639,c_54]) ).

cnf(c_687,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | achievable(west(m(s(s(s(n0)))),c(s(n0))),boatonwest,east(m(n0),c(s(s(n0))))) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_686,c_49]) ).

cnf(c_697,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(n0,s(s(n0)))
    | achievable(west(m(s(s(s(n0)))),c(s(n0))),boatonwest,east(m(n0),c(s(s(n0))))) ),
    inference(superposition,[status(thm)],[c_658,c_54]) ).

cnf(c_698,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | achievable(west(m(s(s(s(n0)))),c(s(n0))),boatonwest,east(m(n0),c(s(s(n0))))) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_697,c_49]) ).

cnf(c_801,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0))
    | achievable(west(m(s(n0)),c(s(n0))),boatoneast,east(m(s(s(n0))),c(s(s(n0))))) ),
    inference(superposition,[status(thm)],[c_687,c_59]) ).

cnf(c_825,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0))
    | achievable(west(m(s(n0)),c(s(n0))),boatoneast,east(m(s(s(n0))),c(s(s(n0))))) ),
    inference(superposition,[status(thm)],[c_698,c_59]) ).

cnf(c_1552,plain,
    ( ~ greater_or_equal(s(s(s(n0))),s(n0))
    | safe(s(s(s(n0))),s(n0)) ),
    inference(instantiation,[status(thm)],[c_286]) ).

cnf(c_2211,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0))
    | achievable(west(m(s(s(n0))),c(s(s(n0)))),boatonwest,east(m(s(n0)),c(s(n0)))) ),
    inference(superposition,[status(thm)],[c_801,c_62]) ).

cnf(c_2253,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0))
    | achievable(west(m(s(s(n0))),c(s(s(n0)))),boatonwest,east(m(s(n0)),c(s(n0)))) ),
    inference(superposition,[status(thm)],[c_825,c_62]) ).

cnf(c_2322,plain,
    ( ~ greater_or_equal(s(s(n0)),n0)
    | greater_or_equal(s(s(s(n0))),s(n0)) ),
    inference(instantiation,[status(thm)],[c_397]) ).

cnf(c_2323,plain,
    ( ~ greater_or_equal(s(n0),s(n0))
    | safe(s(n0),s(n0)) ),
    inference(instantiation,[status(thm)],[c_200]) ).

cnf(c_2683,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0))
    | ~ safe(n0,s(s(n0)))
    | achievable(west(m(n0),c(s(s(n0)))),boatoneast,east(m(s(s(s(n0)))),c(s(n0)))) ),
    inference(superposition,[status(thm)],[c_2211,c_59]) ).

cnf(c_2685,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0))
    | achievable(west(m(n0),c(s(s(n0)))),boatoneast,east(m(s(s(s(n0)))),c(s(n0)))) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_2683,c_49]) ).

cnf(c_2737,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0))
    | ~ safe(n0,s(s(n0)))
    | achievable(west(m(n0),c(s(s(n0)))),boatoneast,east(m(s(s(s(n0)))),c(s(n0)))) ),
    inference(superposition,[status(thm)],[c_2253,c_59]) ).

cnf(c_2739,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0))
    | achievable(west(m(n0),c(s(s(n0)))),boatoneast,east(m(s(s(s(n0)))),c(s(n0)))) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_2737,c_49]) ).

cnf(c_2943,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(s(s(n0))),n0)
    | ~ safe(n0,s(s(s(n0))))
    | ~ safe(s(n0),s(n0))
    | achievable(west(m(n0),c(s(s(s(n0))))),boatonwest,east(m(s(s(s(n0)))),c(n0))) ),
    inference(superposition,[status(thm)],[c_2685,c_54]) ).

cnf(c_2948,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0))
    | achievable(west(m(n0),c(s(s(s(n0))))),boatonwest,east(m(s(s(s(n0)))),c(n0))) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_2943,c_49,c_392]) ).

cnf(c_2964,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(s(s(n0))),n0)
    | ~ safe(n0,s(s(s(n0))))
    | ~ safe(s(n0),s(n0))
    | achievable(west(m(n0),c(s(s(s(n0))))),boatonwest,east(m(s(s(s(n0)))),c(n0))) ),
    inference(superposition,[status(thm)],[c_2739,c_54]) ).

cnf(c_2969,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0))
    | achievable(west(m(n0),c(s(s(s(n0))))),boatonwest,east(m(s(s(s(n0)))),c(n0))) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_2964,c_49,c_396]) ).

cnf(c_3209,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0))
    | ~ safe(n0,s(n0))
    | achievable(west(m(n0),c(s(n0))),boatoneast,east(m(s(s(s(n0)))),c(s(s(n0))))) ),
    inference(superposition,[status(thm)],[c_2948,c_55]) ).

cnf(c_3210,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0))
    | achievable(west(m(n0),c(s(n0))),boatoneast,east(m(s(s(s(n0)))),c(s(s(n0))))) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_3209,c_49]) ).

cnf(c_3228,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0))
    | ~ safe(n0,s(n0))
    | achievable(west(m(n0),c(s(n0))),boatoneast,east(m(s(s(s(n0)))),c(s(s(n0))))) ),
    inference(superposition,[status(thm)],[c_2969,c_55]) ).

cnf(c_3229,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(s(n0))),s(n0))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0))
    | achievable(west(m(n0),c(s(n0))),boatoneast,east(m(s(s(s(n0)))),c(s(s(n0))))) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_3228,c_49]) ).

cnf(c_3291,plain,
    greater_or_equal(s(s(n0)),n0),
    inference(instantiation,[status(thm)],[c_669]) ).

cnf(c_3293,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0))
    | achievable(west(m(n0),c(s(n0))),boatoneast,east(m(s(s(s(n0)))),c(s(s(n0))))) ),
    inference(global_subsumption_just,[status(thm)],[c_3210,c_1552,c_2322,c_3210,c_3291]) ).

cnf(c_3305,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0))
    | achievable(west(m(s(n0)),c(s(n0))),boatonwest,east(m(s(s(n0))),c(s(s(n0))))) ),
    inference(superposition,[status(thm)],[c_3293,c_58]) ).

cnf(c_3335,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0))
    | achievable(west(m(n0),c(s(n0))),boatoneast,east(m(s(s(s(n0)))),c(s(s(n0))))) ),
    inference(global_subsumption_just,[status(thm)],[c_3229,c_1552,c_2322,c_3210,c_3291]) ).

cnf(c_3347,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0))
    | achievable(west(m(s(n0)),c(s(n0))),boatonwest,east(m(s(s(n0))),c(s(s(n0))))) ),
    inference(superposition,[status(thm)],[c_3335,c_58]) ).

cnf(c_3379,plain,
    greater_or_equal(s(n0),n0),
    inference(instantiation,[status(thm)],[c_669]) ).

cnf(c_3447,plain,
    ( ~ greater_or_equal(s(n0),n0)
    | greater_or_equal(s(s(n0)),s(n0)) ),
    inference(instantiation,[status(thm)],[c_397]) ).

cnf(c_3598,plain,
    ( ~ safe(s(s(s(n0))),s(s(s(n0))))
    | ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0))
    | ~ safe(n0,n0)
    | achievable(west(m(n0),c(n0)),boatoneast,east(m(s(s(s(n0)))),c(s(s(s(n0)))))) ),
    inference(superposition,[status(thm)],[c_3305,c_61]) ).

cnf(c_3600,plain,
    ( ~ safe(s(s(s(n0))),s(s(s(n0))))
    | ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0)) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_3598,c_64,c_49]) ).

cnf(c_3621,plain,
    ( ~ safe(s(s(s(n0))),s(s(s(n0))))
    | ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0))
    | ~ safe(n0,n0)
    | achievable(west(m(n0),c(n0)),boatoneast,east(m(s(s(s(n0)))),c(s(s(s(n0)))))) ),
    inference(superposition,[status(thm)],[c_3347,c_61]) ).

cnf(c_3623,plain,
    ( ~ safe(s(s(s(n0))),s(s(s(n0))))
    | ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0)) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_3621,c_64,c_49]) ).

cnf(c_3642,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ greater_or_equal(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0)) ),
    inference(superposition,[status(thm)],[c_463,c_3600]) ).

cnf(c_3655,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ safe(s(s(n0)),s(s(n0)))
    | ~ greater_or_equal(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0)) ),
    inference(superposition,[status(thm)],[c_471,c_3623]) ).

cnf(c_3664,plain,
    ( ~ safe(s(s(s(n0))),s(s(n0)))
    | ~ greater_or_equal(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0)) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_3642,c_50]) ).

cnf(c_3668,plain,
    ( ~ greater_or_equal(s(s(n0)),s(s(n0)))
    | ~ greater_or_equal(s(s(n0)),s(n0))
    | ~ safe(s(n0),s(n0)) ),
    inference(superposition,[status(thm)],[c_463,c_3664]) ).

cnf(c_3672,plain,
    ( ~ greater_or_equal(s(s(n0)),s(s(n0)))
    | ~ safe(s(n0),s(n0)) ),
    inference(global_subsumption_just,[status(thm)],[c_3655,c_3379,c_3447,c_3668]) ).

cnf(c_3678,plain,
    ( ~ safe(s(n0),s(n0))
    | ~ greater_or_equal(s(n0),s(n0)) ),
    inference(superposition,[status(thm)],[c_52,c_3672]) ).

cnf(c_3690,plain,
    ~ greater_or_equal(s(n0),s(n0)),
    inference(global_subsumption_just,[status(thm)],[c_3678,c_2323,c_3678]) ).

cnf(c_3692,plain,
    ~ greater_or_equal(n0,n0),
    inference(superposition,[status(thm)],[c_52,c_3690]) ).

cnf(c_3693,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[c_3692,c_51]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.11  % Problem  : PUZ008-3 : TPTP v8.1.2. Released v1.2.0.
% 0.11/0.12  % Command  : run_iprover %s %d THM
% 0.12/0.33  % Computer : n009.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 300
% 0.12/0.33  % DateTime : Sat Aug 26 22:30:50 EDT 2023
% 0.12/0.33  % CPUTime  : 
% 0.19/0.45  Running first-order theorem proving
% 0.19/0.45  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.48/1.16  % SZS status Started for theBenchmark.p
% 0.48/1.16  % SZS status Unsatisfiable for theBenchmark.p
% 0.48/1.16  
% 0.48/1.16  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 0.48/1.16  
% 0.48/1.16  ------  iProver source info
% 0.48/1.16  
% 0.48/1.16  git: date: 2023-05-31 18:12:56 +0000
% 0.48/1.16  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 0.48/1.16  git: non_committed_changes: false
% 0.48/1.16  git: last_make_outside_of_git: false
% 0.48/1.16  
% 0.48/1.16  ------ Parsing...successful
% 0.48/1.16  
% 0.48/1.16  
% 0.48/1.16  
% 0.48/1.16  ------ Preprocessing... sf_s  rm: 0 0s  sf_e  pe_s  pe_e 
% 0.48/1.16  
% 0.48/1.16  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 0.48/1.16  ------ Proving...
% 0.48/1.16  ------ Problem Properties 
% 0.48/1.16  
% 0.48/1.16  
% 0.48/1.16  clauses                                 16
% 0.48/1.16  conjectures                             1
% 0.48/1.16  EPR                                     3
% 0.48/1.16  Horn                                    16
% 0.48/1.16  unary                                   4
% 0.48/1.16  binary                                  2
% 0.48/1.16  lits                                    48
% 0.48/1.16  lits eq                                 0
% 0.48/1.16  fd_pure                                 0
% 0.48/1.16  fd_pseudo                               0
% 0.48/1.16  fd_cond                                 0
% 0.48/1.16  fd_pseudo_cond                          0
% 0.48/1.16  AC symbols                              0
% 0.48/1.16  
% 0.48/1.16  ------ Schedule dynamic 5 is on 
% 0.48/1.16  
% 0.48/1.16  ------ no equalities: superposition off 
% 0.48/1.16  
% 0.48/1.16  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 0.48/1.16  
% 0.48/1.16  
% 0.48/1.16  ------ 
% 0.48/1.16  Current options:
% 0.48/1.16  ------ 
% 0.48/1.16  
% 0.48/1.16  
% 0.48/1.16  
% 0.48/1.16  
% 0.48/1.16  ------ Proving...
% 0.48/1.16  
% 0.48/1.16  
% 0.48/1.16  % SZS status Unsatisfiable for theBenchmark.p
% 0.48/1.16  
% 0.48/1.16  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.48/1.16  
% 0.48/1.17  
%------------------------------------------------------------------------------