%------------------------------------------------------------------------------
% File : ConnectPP---0.7.2
% Problem : HEN011-4 : TPTP v9.3.1. Bugfixed v1.2.1.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox2/solver/bin/connect++ --verbosity 1 --no-colour --tptp-proof --schedule default --timeout 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 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 : Thu Sep 24 08:42:32 AM UTC 2026
% Result : Unsatisfiable 1.65s 6.99s
% Output : Proof 1.65s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 10
% Syntax : Number of clauses : 57 ( 41 unt; 0 nHn; 53 RR)
% Number of literals : 89 ( 35 equ; 34 neg)
% Maximal clause size : 4 ( 1 avg)
% Maximal term depth : 5 ( 2 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 3 con; 0-2 aty)
% Number of variables : 23 ( 1 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(quotient_smaller_than_numerator,axiom,
less_equal(divide(X,Y),X),
file('HEN002-0.ax',quotient_smaller_than_numerator) ).
cnf(quotient_property,axiom,
less_equal(divide(divide(X,Z),divide(Y,Z)),divide(divide(X,Y),Z)),
file('HEN002-0.ax',quotient_property) ).
cnf(less_equal_and_equal,axiom,
( X = Y
| ~ less_equal(Y,X)
| ~ less_equal(X,Y) ),
file('HEN002-0.ax',less_equal_and_equal) ).
cnf(transitivity_of_less_equal,axiom,
( less_equal(X,Z)
| ~ less_equal(Y,Z)
| ~ less_equal(X,Y) ),
file('theBenchmark.p',transitivity_of_less_equal) ).
cnf(property_of_divide1,axiom,
( less_equal(divide(X,Z),Y)
| ~ less_equal(divide(X,Y),Z) ),
file('theBenchmark.p',property_of_divide1) ).
cnf(one_inversion_equals_three,axiom,
divide(identity,divide(identity,divide(identity,X))) = divide(identity,X),
file('theBenchmark.p',one_inversion_equals_three) ).
cnf(prove_this,negated_conjecture,
divide(divide(identity,a),divide(identity,divide(identity,b))) != divide(divide(identity,b),divide(identity,divide(identity,a))),
file('theBenchmark.p',prove_this) ).
cnf(equality_1,axiom,
Eq_x_0 = Eq_x_0,
theory(equality,[reflexivity]) ).
cnf(equality_4,axiom,
( divide(Eq_x_0,Eq_x_1) = divide(Eq_y_0,Eq_y_1)
| Eq_x_1 != Eq_y_1
| Eq_x_0 != Eq_y_0 ),
theory(equality,[substitution_functions]) ).
cnf(equality_5,axiom,
( less_equal(Eq_y_0,Eq_y_1)
| ~ less_equal(Eq_x_0,Eq_x_1)
| Eq_x_1 != Eq_y_1
| Eq_x_0 != Eq_y_0 ),
theory(equality,[substitution_predicates]) ).
cnf(t1,plain,
divide(divide(identity,a),divide(identity,divide(identity,b))) != divide(divide(identity,b),divide(identity,divide(identity,a))),
inference(start,[status(thm),parent(0:0)],[prove_this]) ).
cnf(t2,plain,
( ~ less_equal(divide(divide(identity,b),divide(identity,divide(identity,a))),divide(divide(identity,a),divide(identity,divide(identity,b))))
| ~ less_equal(divide(divide(identity,a),divide(identity,divide(identity,b))),divide(divide(identity,b),divide(identity,divide(identity,a))))
| divide(divide(identity,a),divide(identity,divide(identity,b))) = divide(divide(identity,b),divide(identity,divide(identity,a))) ),
inference(extension,[status(thm),parent(t1:1)],[less_equal_and_equal]) ).
cnf(t3,plain,
$false,
inference(connection,[status(thm),parent(t2:1)],[t2:1,t1:1]) ).
cnf(t4,plain,
( ~ less_equal(divide(divide(identity,a),divide(divide(identity,b),divide(identity,divide(identity,a)))),divide(identity,divide(identity,b)))
| less_equal(divide(divide(identity,a),divide(identity,divide(identity,b))),divide(divide(identity,b),divide(identity,divide(identity,a)))) ),
inference(extension,[status(thm),parent(t2:2)],[property_of_divide1]) ).
cnf(t5,plain,
$false,
inference(connection,[status(thm),parent(t4:1)],[t4:1,t2:2]) ).
cnf(t6,plain,
( divide(identity,divide(identity,b)) != divide(identity,divide(identity,b))
| ~ less_equal(divide(divide(identity,divide(identity,divide(identity,a))),divide(divide(identity,b),divide(identity,divide(identity,a)))),divide(identity,divide(identity,b)))
| divide(divide(identity,divide(identity,divide(identity,a))),divide(divide(identity,b),divide(identity,divide(identity,a)))) != divide(divide(identity,a),divide(divide(identity,b),divide(identity,divide(identity,a))))
| less_equal(divide(divide(identity,a),divide(divide(identity,b),divide(identity,divide(identity,a)))),divide(identity,divide(identity,b))) ),
inference(extension,[status(thm),parent(t4:2)],[equality_5]) ).
cnf(t7,plain,
$false,
inference(connection,[status(thm),parent(t6:1)],[t6:1,t4:2]) ).
cnf(t8,plain,
( divide(divide(identity,b),divide(identity,divide(identity,a))) != divide(divide(identity,b),divide(identity,divide(identity,a)))
| divide(identity,divide(identity,divide(identity,a))) != divide(identity,a)
| divide(divide(identity,divide(identity,divide(identity,a))),divide(divide(identity,b),divide(identity,divide(identity,a)))) = divide(divide(identity,a),divide(divide(identity,b),divide(identity,divide(identity,a)))) ),
inference(extension,[status(thm),parent(t6:2)],[equality_4]) ).
cnf(t9,plain,
$false,
inference(connection,[status(thm),parent(t8:1)],[t8:1,t6:2]) ).
cnf(t10,plain,
divide(identity,divide(identity,divide(identity,a))) = divide(identity,a),
inference(extension,[status(thm),parent(t8:2)],[one_inversion_equals_three]) ).
cnf(t11,plain,
$false,
inference(connection,[status(thm),parent(t10:1)],[t10:1,t8:2]) ).
cnf(t12,plain,
divide(divide(identity,b),divide(identity,divide(identity,a))) = divide(divide(identity,b),divide(identity,divide(identity,a))),
inference(extension,[status(thm),parent(t8:3)],[equality_1]) ).
cnf(t13,plain,
$false,
inference(connection,[status(thm),parent(t12:1)],[t12:1,t8:3]) ).
cnf(t14,plain,
( ~ less_equal(divide(divide(identity,divide(identity,b)),divide(identity,divide(identity,a))),divide(identity,divide(identity,b)))
| ~ less_equal(divide(divide(identity,divide(identity,divide(identity,a))),divide(divide(identity,b),divide(identity,divide(identity,a)))),divide(divide(identity,divide(identity,b)),divide(identity,divide(identity,a))))
| less_equal(divide(divide(identity,divide(identity,divide(identity,a))),divide(divide(identity,b),divide(identity,divide(identity,a)))),divide(identity,divide(identity,b))) ),
inference(extension,[status(thm),parent(t6:3)],[transitivity_of_less_equal]) ).
cnf(t15,plain,
$false,
inference(connection,[status(thm),parent(t14:1)],[t14:1,t6:3]) ).
cnf(t16,plain,
less_equal(divide(divide(identity,divide(identity,divide(identity,a))),divide(divide(identity,b),divide(identity,divide(identity,a)))),divide(divide(identity,divide(identity,b)),divide(identity,divide(identity,a)))),
inference(extension,[status(thm),parent(t14:2)],[quotient_property]) ).
cnf(t17,plain,
$false,
inference(connection,[status(thm),parent(t16:1)],[t16:1,t14:2]) ).
cnf(t18,plain,
less_equal(divide(divide(identity,divide(identity,b)),divide(identity,divide(identity,a))),divide(identity,divide(identity,b))),
inference(extension,[status(thm),parent(t14:3)],[quotient_smaller_than_numerator]) ).
cnf(t19,plain,
$false,
inference(connection,[status(thm),parent(t18:1)],[t18:1,t14:3]) ).
cnf(t20,plain,
( divide(identity,b) != divide(identity,b)
| identity != identity
| divide(identity,divide(identity,b)) = divide(identity,divide(identity,b)) ),
inference(extension,[status(thm),parent(t6:4)],[equality_4]) ).
cnf(t21,plain,
$false,
inference(connection,[status(thm),parent(t20:1)],[t20:1,t6:4]) ).
cnf(t22,plain,
identity = identity,
inference(extension,[status(thm),parent(t20:2)],[equality_1]) ).
cnf(t23,plain,
$false,
inference(connection,[status(thm),parent(t22:1)],[t22:1,t20:2]) ).
cnf(t24,plain,
divide(identity,b) = divide(identity,b),
inference(extension,[status(thm),parent(t20:3)],[equality_1]) ).
cnf(t25,plain,
$false,
inference(connection,[status(thm),parent(t24:1)],[t24:1,t20:3]) ).
cnf(t26,plain,
( ~ less_equal(divide(divide(identity,b),divide(divide(identity,a),divide(identity,divide(identity,b)))),divide(identity,divide(identity,a)))
| less_equal(divide(divide(identity,b),divide(identity,divide(identity,a))),divide(divide(identity,a),divide(identity,divide(identity,b)))) ),
inference(extension,[status(thm),parent(t2:3)],[property_of_divide1]) ).
cnf(t27,plain,
$false,
inference(connection,[status(thm),parent(t26:1)],[t26:1,t2:3]) ).
cnf(t28,plain,
( divide(identity,divide(identity,a)) != divide(identity,divide(identity,a))
| ~ less_equal(divide(divide(identity,divide(identity,divide(identity,b))),divide(divide(identity,a),divide(identity,divide(identity,b)))),divide(identity,divide(identity,a)))
| divide(divide(identity,divide(identity,divide(identity,b))),divide(divide(identity,a),divide(identity,divide(identity,b)))) != divide(divide(identity,b),divide(divide(identity,a),divide(identity,divide(identity,b))))
| less_equal(divide(divide(identity,b),divide(divide(identity,a),divide(identity,divide(identity,b)))),divide(identity,divide(identity,a))) ),
inference(extension,[status(thm),parent(t26:2)],[equality_5]) ).
cnf(t29,plain,
$false,
inference(connection,[status(thm),parent(t28:1)],[t28:1,t26:2]) ).
cnf(t30,plain,
( divide(divide(identity,a),divide(identity,divide(identity,b))) != divide(divide(identity,a),divide(identity,divide(identity,b)))
| divide(identity,divide(identity,divide(identity,b))) != divide(identity,b)
| divide(divide(identity,divide(identity,divide(identity,b))),divide(divide(identity,a),divide(identity,divide(identity,b)))) = divide(divide(identity,b),divide(divide(identity,a),divide(identity,divide(identity,b)))) ),
inference(extension,[status(thm),parent(t28:2)],[equality_4]) ).
cnf(t31,plain,
$false,
inference(connection,[status(thm),parent(t30:1)],[t30:1,t28:2]) ).
cnf(t32,plain,
divide(identity,divide(identity,divide(identity,b))) = divide(identity,b),
inference(extension,[status(thm),parent(t30:2)],[one_inversion_equals_three]) ).
cnf(t33,plain,
$false,
inference(connection,[status(thm),parent(t32:1)],[t32:1,t30:2]) ).
cnf(t34,plain,
divide(divide(identity,a),divide(identity,divide(identity,b))) = divide(divide(identity,a),divide(identity,divide(identity,b))),
inference(extension,[status(thm),parent(t30:3)],[equality_1]) ).
cnf(t35,plain,
$false,
inference(connection,[status(thm),parent(t34:1)],[t34:1,t30:3]) ).
cnf(t36,plain,
( ~ less_equal(divide(divide(identity,divide(identity,a)),divide(identity,divide(identity,b))),divide(identity,divide(identity,a)))
| ~ less_equal(divide(divide(identity,divide(identity,divide(identity,b))),divide(divide(identity,a),divide(identity,divide(identity,b)))),divide(divide(identity,divide(identity,a)),divide(identity,divide(identity,b))))
| less_equal(divide(divide(identity,divide(identity,divide(identity,b))),divide(divide(identity,a),divide(identity,divide(identity,b)))),divide(identity,divide(identity,a))) ),
inference(extension,[status(thm),parent(t28:3)],[transitivity_of_less_equal]) ).
cnf(t37,plain,
$false,
inference(connection,[status(thm),parent(t36:1)],[t36:1,t28:3]) ).
cnf(t38,plain,
less_equal(divide(divide(identity,divide(identity,divide(identity,b))),divide(divide(identity,a),divide(identity,divide(identity,b)))),divide(divide(identity,divide(identity,a)),divide(identity,divide(identity,b)))),
inference(extension,[status(thm),parent(t36:2)],[quotient_property]) ).
cnf(t39,plain,
$false,
inference(connection,[status(thm),parent(t38:1)],[t38:1,t36:2]) ).
cnf(t40,plain,
less_equal(divide(divide(identity,divide(identity,a)),divide(identity,divide(identity,b))),divide(identity,divide(identity,a))),
inference(extension,[status(thm),parent(t36:3)],[quotient_smaller_than_numerator]) ).
cnf(t41,plain,
$false,
inference(connection,[status(thm),parent(t40:1)],[t40:1,t36:3]) ).
cnf(t42,plain,
( divide(identity,a) != divide(identity,a)
| identity != identity
| divide(identity,divide(identity,a)) = divide(identity,divide(identity,a)) ),
inference(extension,[status(thm),parent(t28:4)],[equality_4]) ).
cnf(t43,plain,
$false,
inference(connection,[status(thm),parent(t42:1)],[t42:1,t28:4]) ).
cnf(t44,plain,
identity = identity,
inference(extension,[status(thm),parent(t42:2)],[equality_1]) ).
cnf(t45,plain,
$false,
inference(connection,[status(thm),parent(t44:1)],[t44:1,t42:2]) ).
cnf(t46,plain,
divide(identity,a) = divide(identity,a),
inference(extension,[status(thm),parent(t42:3)],[equality_1]) ).
cnf(t47,plain,
$false,
inference(connection,[status(thm),parent(t46:1)],[t46:1,t42:3]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : HEN011-4 : TPTP v9.3.1. Bugfixed v1.2.1.
% 0.00/0.03 This is a CNF_UNS_RFO_SEQ_HRN problem
% 0.00/0.04 % Command : /export/starexec/sandbox2/solver/bin/connect++ --verbosity 1 --no-colour --tptp-proof --schedule default --timeout 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.10/5.37 % Computer : n026.cluster.edu
% 0.10/5.37 % Model : x86_64 x86_64
% 0.10/5.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/5.37 % Memory : 8046.5625MB
% 0.10/5.37 % OS : Linux 6.8.0-71-generic
% 0.10/5.37 % CPULimit : 300
% 0.10/5.37 % WCLimit : 300
% 0.10/5.37 % DateTime : Sat Sep 19 10:45:26 UTC 2026
% 0.10/5.38 % CPUTime :
% 1.65/6.99 % SZS status Unsatisfiable for theBenchmark
% 1.65/6.99 % SZS output start Proof for theBenchmark
% See solution above
%------------------------------------------------------------------------------