%------------------------------------------------------------------------------
% File : ConnectPP---0.7.2
% Problem : RNG002-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox/solver/bin/connect++ --verbosity 1 --no-colour --tptp-proof --schedule default --timeout 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n018.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 08:54:53 AM UTC 2026
% Result : Unsatisfiable 120.25s 120.58s
% Output : Proof 120.25s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 7
% Syntax : Number of clauses : 26 ( 21 unt; 0 nHn; 24 RR)
% Number of literals : 39 ( 4 equ; 15 neg)
% Maximal clause size : 4 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-3 aty)
% Number of functors : 6 ( 6 usr; 5 con; 0-1 aty)
% Number of variables : 12 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(additive_identity1,axiom,
sum(additive_identity,X,X),
file('RNG001-0.ax',additive_identity1) ).
cnf(left_inverse,axiom,
sum(additive_inverse(X),X,additive_identity),
file('RNG001-0.ax',left_inverse) ).
cnf(associativity_of_addition1,axiom,
( sum(X,V,W)
| ~ sum(U,Z,W)
| ~ sum(Y,Z,V)
| ~ sum(X,Y,U) ),
file('RNG001-0.ax',associativity_of_addition1) ).
cnf(addition_is_well_defined,axiom,
( U = V
| ~ sum(X,Y,V)
| ~ sum(X,Y,U) ),
file('RNG001-0.ax',addition_is_well_defined) ).
cnf(a_plus_b_is_d,hypothesis,
sum(a,b,d),
file('theBenchmark.p',a_plus_b_is_d) ).
cnf(a_plus_c_is_d,hypothesis,
sum(a,c,d),
file('theBenchmark.p',a_plus_c_is_d) ).
cnf(prove_b_equals_c,negated_conjecture,
b != c,
file('theBenchmark.p',prove_b_equals_c) ).
cnf(t1,plain,
b != c,
inference(start,[status(thm),parent(0:0)],[prove_b_equals_c]) ).
cnf(t2,plain,
( ~ sum(additive_inverse(a),d,c)
| ~ sum(additive_inverse(a),d,b)
| b = c ),
inference(extension,[status(thm),parent(t1:1)],[addition_is_well_defined]) ).
cnf(t3,plain,
$false,
inference(connection,[status(thm),parent(t2:1)],[t2:1,t1:1]) ).
cnf(t4,plain,
( ~ sum(a,b,d)
| ~ sum(additive_identity,b,b)
| ~ sum(additive_inverse(a),a,additive_identity)
| sum(additive_inverse(a),d,b) ),
inference(extension,[status(thm),parent(t2:2)],[associativity_of_addition1]) ).
cnf(t5,plain,
$false,
inference(connection,[status(thm),parent(t4:1)],[t4:1,t2:2]) ).
cnf(t6,plain,
sum(additive_inverse(a),a,additive_identity),
inference(extension,[status(thm),parent(t4:2)],[left_inverse]) ).
cnf(t7,plain,
$false,
inference(connection,[status(thm),parent(t6:1)],[t6:1,t4:2]) ).
cnf(t8,plain,
sum(additive_identity,b,b),
inference(extension,[status(thm),parent(t4:3)],[additive_identity1]) ).
cnf(t9,plain,
$false,
inference(connection,[status(thm),parent(t8:1)],[t8:1,t4:3]) ).
cnf(t10,plain,
sum(a,b,d),
inference(extension,[status(thm),parent(t4:4)],[a_plus_b_is_d]) ).
cnf(t11,plain,
$false,
inference(connection,[status(thm),parent(t10:1)],[t10:1,t4:4]) ).
cnf(t12,plain,
( ~ sum(a,c,d)
| ~ sum(additive_identity,c,c)
| ~ sum(additive_inverse(a),a,additive_identity)
| sum(additive_inverse(a),d,c) ),
inference(extension,[status(thm),parent(t2:3)],[associativity_of_addition1]) ).
cnf(t13,plain,
$false,
inference(connection,[status(thm),parent(t12:1)],[t12:1,t2:3]) ).
cnf(t14,plain,
sum(additive_inverse(a),a,additive_identity),
inference(extension,[status(thm),parent(t12:2)],[left_inverse]) ).
cnf(t15,plain,
$false,
inference(connection,[status(thm),parent(t14:1)],[t14:1,t12:2]) ).
cnf(t16,plain,
sum(additive_identity,c,c),
inference(extension,[status(thm),parent(t12:3)],[additive_identity1]) ).
cnf(t17,plain,
$false,
inference(connection,[status(thm),parent(t16:1)],[t16:1,t12:3]) ).
cnf(t18,plain,
sum(a,c,d),
inference(extension,[status(thm),parent(t12:4)],[a_plus_c_is_d]) ).
cnf(t19,plain,
$false,
inference(connection,[status(thm),parent(t18:1)],[t18:1,t12:4]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : RNG002-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.03 This is a CNF_UNS_RFO_SEQ_HRN problem
% 0.00/0.03 % Command : /export/starexec/sandbox/solver/bin/connect++ --verbosity 1 --no-colour --tptp-proof --schedule default --timeout 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.08/0.36 % Computer : n018.cluster.edu
% 0.08/0.36 % Model : x86_64 x86_64
% 0.08/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.36 % Memory : 8046.5625MB
% 0.08/0.36 % OS : Linux 6.8.0-71-generic
% 0.08/0.36 % CPULimit : 300
% 0.08/0.36 % WCLimit : 300
% 0.08/0.36 % DateTime : Sat Sep 19 20:36:41 UTC 2026
% 0.08/0.36 % CPUTime :
% 120.25/120.58 % SZS status Unsatisfiable for theBenchmark
% 120.25/120.58 % SZS output start Proof for theBenchmark
% See solution above
%------------------------------------------------------------------------------