TSTP Solution File: ALG012-1 by iProver---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.9
% Problem  : ALG012-1 : TPTP v8.1.2. Released v2.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n020.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 : Fri May  3 02:03:12 EDT 2024

% Result   : Unsatisfiable 8.28s 1.66s
% Output   : CNFRefutation 8.28s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   44
%            Number of leaves      :   10
% Syntax   : Number of clauses     :   82 (   5 unt;  16 nHn;  71 RR)
%            Number of literals    :  309 (   1 equ; 248 neg)
%            Maximal clause size   :    7 (   3 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-2 aty)
%            Number of variables   :  238 (  54 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(c_49,plain,
    f(f(X0,X1),X2) = f(X0,f(X1,X2)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',f_is_associative) ).

cnf(c_50,plain,
    ( c(X0)
    | d1(X0)
    | d2(X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',partitions_union) ).

cnf(c_51,plain,
    ( ~ c(X0)
    | ~ d1(X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',partitions_exclusive_c_d1) ).

cnf(c_52,plain,
    ( ~ c(X0)
    | ~ d2(X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',partitions_exclusive_c_d2) ).

cnf(c_53,plain,
    ( ~ d1(X0)
    | ~ d2(X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',partitions_exclusive_d1_d2) ).

cnf(c_55,plain,
    d1(a2),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',partition_d1_not_empty) ).

cnf(c_56,plain,
    d2(a3),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',partition_d2_not_empty) ).

cnf(c_57,negated_conjecture,
    ( ~ c(X0)
    | ~ c(X1)
    | d1(f(X0,X1))
    | d2(f(X0,X1)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',conjecture_1) ).

cnf(c_58,negated_conjecture,
    ( ~ d1(X0)
    | ~ d1(X1)
    | c(f(X0,X1)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',conjecture_2) ).

cnf(c_59,negated_conjecture,
    ( ~ d2(X0)
    | ~ d2(X1)
    | c(f(X0,X1)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',conjecture_3) ).

cnf(c_156,negated_conjecture,
    ( ~ d2(X0)
    | ~ d2(X1)
    | c(f(X0,X1)) ),
    inference(demodulation,[status(thm)],[c_59]) ).

cnf(c_157,negated_conjecture,
    ( ~ d1(X0)
    | ~ d1(X1)
    | c(f(X0,X1)) ),
    inference(demodulation,[status(thm)],[c_58]) ).

cnf(c_158,negated_conjecture,
    ( ~ c(X0)
    | ~ c(X1)
    | d1(f(X0,X1))
    | d2(f(X0,X1)) ),
    inference(demodulation,[status(thm)],[c_57]) ).

cnf(c_355,plain,
    ( ~ d1(f(X0,X1))
    | ~ d1(X0)
    | ~ d1(X1) ),
    inference(superposition,[status(thm)],[c_157,c_51]) ).

cnf(c_356,plain,
    ( ~ d1(f(X0,X1))
    | ~ d2(X0)
    | ~ d2(X1) ),
    inference(superposition,[status(thm)],[c_156,c_51]) ).

cnf(c_369,plain,
    ( ~ d2(f(X0,X1))
    | ~ d1(X0)
    | ~ d1(X1) ),
    inference(superposition,[status(thm)],[c_157,c_52]) ).

cnf(c_370,plain,
    ( ~ d2(f(X0,X1))
    | ~ d2(X0)
    | ~ d2(X1) ),
    inference(superposition,[status(thm)],[c_156,c_52]) ).

cnf(c_384,plain,
    ( ~ c(f(X0,X1))
    | ~ c(X2)
    | d1(f(f(X0,X1),X2))
    | d2(f(X0,f(X1,X2))) ),
    inference(superposition,[status(thm)],[c_49,c_158]) ).

cnf(c_386,plain,
    ( ~ d2(f(X0,X1))
    | ~ d2(X2)
    | c(f(X0,f(X1,X2))) ),
    inference(superposition,[status(thm)],[c_49,c_156]) ).

cnf(c_417,plain,
    ( ~ d1(f(X0,f(X1,X2)))
    | ~ d2(f(X0,X1))
    | ~ d2(X2) ),
    inference(superposition,[status(thm)],[c_49,c_356]) ).

cnf(c_446,plain,
    ( ~ d2(f(X0,f(X1,X2)))
    | ~ d2(f(X0,X1))
    | ~ d2(X2) ),
    inference(superposition,[status(thm)],[c_49,c_370]) ).

cnf(c_493,plain,
    ( ~ c(f(X0,X1))
    | ~ c(X2)
    | d1(f(X0,f(X1,X2)))
    | d2(f(X0,f(X1,X2))) ),
    inference(demodulation,[status(thm)],[c_384,c_49]) ).

cnf(c_504,plain,
    ( ~ c(f(X0,X1))
    | ~ d2(f(X1,X2))
    | ~ c(X2)
    | ~ d2(X0)
    | d1(f(X0,f(X1,X2))) ),
    inference(superposition,[status(thm)],[c_493,c_370]) ).

cnf(c_505,plain,
    ( ~ c(f(X0,X1))
    | ~ d1(f(X1,X2))
    | ~ c(X2)
    | ~ d1(X0)
    | d1(f(X0,f(X1,X2))) ),
    inference(superposition,[status(thm)],[c_493,c_369]) ).

cnf(c_546,plain,
    ( ~ d1(f(X0,X1))
    | ~ d2(f(X0,X1)) ),
    inference(instantiation,[status(thm)],[c_53]) ).

cnf(c_642,plain,
    ( ~ c(f(X0,X1))
    | ~ d2(f(X2,X0))
    | ~ c(X2)
    | ~ d2(X1)
    | d1(f(X2,f(X0,X1))) ),
    inference(superposition,[status(thm)],[c_158,c_446]) ).

cnf(c_663,plain,
    ( c(f(X0,X1))
    | d1(f(X0,X1))
    | d2(f(X0,X1)) ),
    inference(instantiation,[status(thm)],[c_50]) ).

cnf(c_837,plain,
    ( ~ c(f(X0,X1))
    | ~ d2(f(X2,X0))
    | ~ c(X2)
    | ~ d2(X1) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_642,c_417]) ).

cnf(c_843,plain,
    ( ~ d2(f(X0,X1))
    | ~ c(X0)
    | ~ d2(X1)
    | ~ d2(X2) ),
    inference(superposition,[status(thm)],[c_156,c_837]) ).

cnf(c_844,plain,
    ( ~ d2(f(X0,X1))
    | ~ d2(f(X1,X2))
    | ~ d2(f(X3,X0))
    | ~ c(X3)
    | ~ d2(X2) ),
    inference(superposition,[status(thm)],[c_386,c_837]) ).

cnf(c_908,plain,
    ( ~ c(X0)
    | ~ d2(X1)
    | ~ d2(X2)
    | c(f(X0,X1))
    | d1(f(X0,X1)) ),
    inference(superposition,[status(thm)],[c_50,c_843]) ).

cnf(c_963,plain,
    ( ~ c(X0)
    | ~ d2(X1)
    | c(f(X0,X1))
    | d1(f(X0,X1)) ),
    inference(superposition,[status(thm)],[c_56,c_908]) ).

cnf(c_1066,plain,
    ( ~ d2(f(X0,X1))
    | ~ c(X0)
    | ~ d2(X1)
    | c(f(X0,X1)) ),
    inference(superposition,[status(thm)],[c_963,c_53]) ).

cnf(c_1154,plain,
    ( ~ c(f(X0,X1))
    | ~ d2(f(X0,X1)) ),
    inference(instantiation,[status(thm)],[c_52]) ).

cnf(c_1434,plain,
    ( ~ d2(f(X0,X1))
    | ~ d2(f(X2,X3))
    | ~ c(X0)
    | ~ c(X2)
    | ~ c(X3)
    | ~ d2(X1)
    | d1(f(X3,X0)) ),
    inference(superposition,[status(thm)],[c_158,c_844]) ).

cnf(c_1508,plain,
    ( ~ d2(X1)
    | ~ c(X0)
    | ~ d2(f(X0,X1)) ),
    inference(global_subsumption_just,[status(thm)],[c_1434,c_1066,c_1154]) ).

cnf(c_1509,plain,
    ( ~ d2(f(X0,X1))
    | ~ c(X0)
    | ~ d2(X1) ),
    inference(renaming,[status(thm)],[c_1508]) ).

cnf(c_1550,plain,
    ( ~ c(f(X0,X1))
    | ~ d2(f(X1,X2))
    | ~ c(X2)
    | ~ d2(X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_504,c_356]) ).

cnf(c_1556,plain,
    ( ~ d2(f(X0,X1))
    | ~ c(X1)
    | ~ d2(X0)
    | ~ d2(X2) ),
    inference(superposition,[status(thm)],[c_156,c_1550]) ).

cnf(c_1561,plain,
    ( ~ c(f(X0,f(X1,X2)))
    | ~ d2(f(X0,X1))
    | ~ d2(f(X2,X3))
    | ~ c(X3) ),
    inference(superposition,[status(thm)],[c_49,c_1550]) ).

cnf(c_1630,plain,
    ( ~ c(X0)
    | ~ d2(X1)
    | ~ d2(X2)
    | c(f(X1,X0))
    | d1(f(X1,X0)) ),
    inference(superposition,[status(thm)],[c_50,c_1556]) ).

cnf(c_1726,plain,
    ( ~ c(X0)
    | ~ d2(X1)
    | c(f(X1,X0))
    | d1(f(X1,X0)) ),
    inference(superposition,[status(thm)],[c_56,c_1630]) ).

cnf(c_2333,plain,
    ( ~ c(f(X0,X1))
    | ~ d1(f(X1,X2))
    | ~ c(X2)
    | ~ d1(X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_505,c_355]) ).

cnf(c_2338,plain,
    ( ~ d1(f(X0,X1))
    | ~ c(X1)
    | ~ d1(X0)
    | ~ d1(X2) ),
    inference(superposition,[status(thm)],[c_157,c_2333]) ).

cnf(c_4386,plain,
    ( ~ d1(f(X0,X1))
    | ~ d2(f(X1,X3))
    | ~ d2(f(X2,X0))
    | ~ c(X3)
    | ~ d1(X2) ),
    inference(superposition,[status(thm)],[c_157,c_1561]) ).

cnf(c_4822,plain,
    ( ~ d2(f(X0,X1))
    | ~ d2(f(X2,X3))
    | ~ c(X0)
    | ~ c(X1)
    | ~ d1(X2)
    | ~ d2(X3)
    | c(f(X3,X0)) ),
    inference(superposition,[status(thm)],[c_1726,c_4386]) ).

cnf(c_15942,plain,
    ( ~ d2(f(X0,X1))
    | ~ d2(f(X2,X3))
    | ~ c(X0)
    | ~ c(X1)
    | ~ d1(X2)
    | ~ d2(X3) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_4822,c_1550]) ).

cnf(c_15950,plain,
    ( ~ d2(f(X0,X1))
    | ~ c(X2)
    | ~ c(X3)
    | ~ d1(X0)
    | ~ d2(X1)
    | d1(f(X2,X3)) ),
    inference(superposition,[status(thm)],[c_158,c_15942]) ).

cnf(c_16072,plain,
    ( ~ c(X3)
    | ~ c(X2)
    | ~ d2(f(X0,X1))
    | ~ d2(X1)
    | d1(f(X2,X3)) ),
    inference(global_subsumption_just,[status(thm)],[c_15950,c_50,c_59,c_546,c_963,c_1154,c_15950]) ).

cnf(c_16073,plain,
    ( ~ d2(f(X0,X1))
    | ~ c(X2)
    | ~ c(X3)
    | ~ d2(X1)
    | d1(f(X2,X3)) ),
    inference(renaming,[status(thm)],[c_16072]) ).

cnf(c_16089,plain,
    ( ~ d2(f(X0,f(X1,X2)))
    | ~ c(X3)
    | ~ c(X4)
    | ~ d2(X2)
    | d1(f(X3,X4)) ),
    inference(superposition,[status(thm)],[c_49,c_16073]) ).

cnf(c_16141,plain,
    ( ~ c(f(X0,X1))
    | ~ c(X2)
    | ~ c(X3)
    | ~ c(X4)
    | ~ d2(X1)
    | d1(f(X2,f(X0,X1)))
    | d1(f(X3,X4)) ),
    inference(superposition,[status(thm)],[c_158,c_16089]) ).

cnf(c_18061,plain,
    ( ~ c(f(X0,X1))
    | ~ c(X2)
    | ~ d2(X1)
    | d1(f(X2,f(X0,X1))) ),
    inference(equality_factoring,[status(thm)],[c_16141]) ).

cnf(c_18197,plain,
    ( ~ c(f(X0,X1))
    | ~ c(f(X2,X3))
    | ~ d2(X3)
    | d1(f(X0,f(X1,f(X2,X3)))) ),
    inference(superposition,[status(thm)],[c_49,c_18061]) ).

cnf(c_19571,plain,
    ( ~ c(f(X0,f(X1,X2)))
    | ~ c(f(X1,X2))
    | ~ c(f(X3,X0))
    | ~ d1(X3)
    | ~ d1(X4)
    | ~ d2(X2) ),
    inference(superposition,[status(thm)],[c_18197,c_2338]) ).

cnf(c_28469,plain,
    ( ~ c(f(X0,X1))
    | ~ c(f(X2,X3))
    | ~ d2(f(X3,X0))
    | ~ d1(X2)
    | ~ d1(X4)
    | ~ d2(X1) ),
    inference(superposition,[status(thm)],[c_386,c_19571]) ).

cnf(c_28745,plain,
    ( ~ c(f(X0,X1))
    | ~ d2(f(X1,X2))
    | ~ d1(X0)
    | ~ d1(X3)
    | ~ d2(X2)
    | ~ d2(X4) ),
    inference(superposition,[status(thm)],[c_156,c_28469]) ).

cnf(c_28930,plain,
    ( ~ d2(f(X0,X1))
    | ~ d1(X0)
    | ~ d1(X2)
    | ~ d1(X3)
    | ~ d2(X1)
    | ~ d2(X4) ),
    inference(superposition,[status(thm)],[c_157,c_28745]) ).

cnf(c_29870,plain,
    ( ~ d2(f(X0,X1))
    | ~ d1(X2)
    | ~ d1(X3)
    | ~ d2(X1)
    | ~ d2(X4) ),
    inference(global_subsumption_just,[status(thm)],[c_28930,c_50,c_370,c_1509,c_28930]) ).

cnf(c_29882,plain,
    ( ~ d1(X0)
    | ~ d1(X1)
    | ~ d2(X2)
    | ~ d2(X3)
    | c(f(X4,X2))
    | d1(f(X4,X2)) ),
    inference(superposition,[status(thm)],[c_50,c_29870]) ).

cnf(c_29995,plain,
    ( ~ d1(X0)
    | ~ d2(X1)
    | ~ d2(X2)
    | c(f(X3,X1))
    | d1(f(X3,X1)) ),
    inference(superposition,[status(thm)],[c_55,c_29882]) ).

cnf(c_30038,plain,
    ( ~ d2(X0)
    | ~ d2(X1)
    | c(f(X2,X0))
    | d1(f(X2,X0)) ),
    inference(superposition,[status(thm)],[c_55,c_29995]) ).

cnf(c_30078,plain,
    ( ~ d2(X0)
    | c(f(X1,X0))
    | d1(f(X1,X0)) ),
    inference(superposition,[status(thm)],[c_56,c_30038]) ).

cnf(c_30096,plain,
    ( ~ d2(f(X0,X1))
    | ~ d2(X1)
    | c(f(X0,X1)) ),
    inference(superposition,[status(thm)],[c_30078,c_53]) ).

cnf(c_30551,plain,
    ( ~ d2(X1)
    | ~ d2(f(X0,X1)) ),
    inference(global_subsumption_just,[status(thm)],[c_30096,c_1154,c_30096]) ).

cnf(c_30552,plain,
    ( ~ d2(f(X0,X1))
    | ~ d2(X1) ),
    inference(renaming,[status(thm)],[c_30551]) ).

cnf(c_30562,plain,
    ( ~ d2(f(X0,f(X1,X2)))
    | ~ d2(X2) ),
    inference(superposition,[status(thm)],[c_49,c_30552]) ).

cnf(c_31413,plain,
    ( ~ d2(X0)
    | c(f(X1,f(X2,X0)))
    | d1(f(X1,f(X2,X0))) ),
    inference(superposition,[status(thm)],[c_50,c_30562]) ).

cnf(c_31497,plain,
    ( ~ c(f(X0,X1))
    | ~ d1(X2)
    | ~ d1(X3)
    | ~ d2(X1)
    | c(f(X2,f(X0,X1))) ),
    inference(superposition,[status(thm)],[c_31413,c_2338]) ).

cnf(c_31503,plain,
    ( ~ d1(f(X0,X1))
    | ~ d1(X2)
    | ~ d2(X1)
    | c(f(X2,f(X0,X1))) ),
    inference(superposition,[status(thm)],[c_31413,c_355]) ).

cnf(c_33536,plain,
    ( ~ d1(X2)
    | ~ d1(X3)
    | ~ d2(X1)
    | c(f(X2,f(X0,X1))) ),
    inference(global_subsumption_just,[status(thm)],[c_31497,c_663,c_30552,c_31503,c_31497]) ).

cnf(c_33537,plain,
    ( ~ d1(X0)
    | ~ d1(X1)
    | ~ d2(X2)
    | c(f(X0,f(X3,X2))) ),
    inference(renaming,[status(thm)],[c_33536]) ).

cnf(c_33552,plain,
    ( ~ d1(X0)
    | ~ d2(X1)
    | c(f(X0,f(X2,X1))) ),
    inference(superposition,[status(thm)],[c_55,c_33537]) ).

cnf(c_33936,plain,
    ( ~ d1(f(X0,f(X1,X2)))
    | ~ d1(X0)
    | ~ d2(X2) ),
    inference(superposition,[status(thm)],[c_33552,c_51]) ).

cnf(c_34272,plain,
    ( ~ d1(f(X0,f(X1,f(X2,X3))))
    | ~ d1(X0)
    | ~ d2(X3) ),
    inference(superposition,[status(thm)],[c_49,c_33936]) ).

cnf(c_34839,plain,
    ( ~ c(f(X0,X1))
    | ~ c(f(X2,X3))
    | ~ d1(X0)
    | ~ d2(X3) ),
    inference(superposition,[status(thm)],[c_18197,c_34272]) ).

cnf(c_38082,plain,
    ( ~ c(f(X0,X1))
    | ~ d1(X2)
    | ~ d1(X3)
    | ~ d2(X1) ),
    inference(superposition,[status(thm)],[c_157,c_34839]) ).

cnf(c_38205,plain,
    ( ~ d1(X0)
    | ~ d1(X1)
    | ~ d2(X2)
    | ~ d2(X3) ),
    inference(superposition,[status(thm)],[c_156,c_38082]) ).

cnf(c_38446,plain,
    ( ~ d1(X0)
    | ~ d2(X1)
    | ~ d2(X2) ),
    inference(superposition,[status(thm)],[c_55,c_38205]) ).

cnf(c_38535,plain,
    ( ~ d2(X0)
    | ~ d2(X1) ),
    inference(superposition,[status(thm)],[c_55,c_38446]) ).

cnf(c_38683,plain,
    ~ d2(X0),
    inference(superposition,[status(thm)],[c_56,c_38535]) ).

cnf(c_38688,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[c_56,c_38683]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.12  % Problem  : ALG012-1 : TPTP v8.1.2. Released v2.7.0.
% 0.08/0.13  % Command  : run_iprover %s %d THM
% 0.14/0.35  % Computer : n020.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Thu May  2 22:40:31 EDT 2024
% 0.14/0.35  % CPUTime  : 
% 0.21/0.48  Running first-order theorem proving
% 0.21/0.48  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --heuristic_context casc_unsat --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 8.28/1.66  % SZS status Started for theBenchmark.p
% 8.28/1.66  % SZS status Unsatisfiable for theBenchmark.p
% 8.28/1.66  
% 8.28/1.66  %---------------- iProver v3.9 (pre CASC 2024/SMT-COMP 2024) ----------------%
% 8.28/1.66  
% 8.28/1.66  ------  iProver source info
% 8.28/1.66  
% 8.28/1.66  git: date: 2024-05-02 19:28:25 +0000
% 8.28/1.66  git: sha1: a33b5eb135c74074ba803943bb12f2ebd971352f
% 8.28/1.66  git: non_committed_changes: false
% 8.28/1.66  
% 8.28/1.66  ------ Parsing...successful
% 8.28/1.66  
% 8.28/1.66  
% 8.28/1.66  
% 8.28/1.66  ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e 
% 8.28/1.66  
% 8.28/1.66  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 8.28/1.66  
% 8.28/1.66  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 8.28/1.66  ------ Proving...
% 8.28/1.66  ------ Problem Properties 
% 8.28/1.66  
% 8.28/1.66  
% 8.28/1.66  clauses                                 11
% 8.28/1.66  conjectures                             3
% 8.28/1.66  EPR                                     7
% 8.28/1.66  Horn                                    9
% 8.28/1.66  unary                                   4
% 8.28/1.66  binary                                  3
% 8.28/1.66  lits                                    23
% 8.28/1.66  lits eq                                 1
% 8.28/1.66  fd_pure                                 0
% 8.28/1.66  fd_pseudo                               0
% 8.28/1.66  fd_cond                                 0
% 8.28/1.66  fd_pseudo_cond                          0
% 8.28/1.66  AC symbols                              0
% 8.28/1.66  
% 8.28/1.66  ------ Schedule dynamic 5 is on 
% 8.28/1.66  
% 8.28/1.66  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 8.28/1.66  
% 8.28/1.66  
% 8.28/1.66  ------ 
% 8.28/1.66  Current options:
% 8.28/1.66  ------ 
% 8.28/1.66  
% 8.28/1.66  
% 8.28/1.66  
% 8.28/1.66  
% 8.28/1.66  ------ Proving...
% 8.28/1.66  
% 8.28/1.66  
% 8.28/1.66  % SZS status Unsatisfiable for theBenchmark.p
% 8.28/1.66  
% 8.28/1.66  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 8.28/1.66  
% 8.28/1.67  
%------------------------------------------------------------------------------