TSTP Solution File: GEO066-2 by Geo-III---2018C

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Geo-III---2018C
% Problem  : GEO066-2 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : geo -tptp_input -nonempty -inputfile %s

% Computer : n017.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 : Sat Jul 23 06:01:37 EDT 2022

% Result   : Unsatisfiable 1.83s 2.02s
% Output   : Refutation 1.83s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : GEO066-2 : TPTP v8.1.0. Released v1.0.0.
% 0.06/0.12  % Command  : geo -tptp_input -nonempty -inputfile %s
% 0.12/0.33  % Computer : n017.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 : Fri Jul 22 17:32:29 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.83/2.02  GeoParameters:
% 1.83/2.02  
% 1.83/2.02  tptp_input =     1
% 1.83/2.02  tptp_output =    0
% 1.83/2.02  nonempty =       1
% 1.83/2.02  inputfile =      /export/starexec/sandbox/benchmark/theBenchmark.p
% 1.83/2.02  includepath =    /export/starexec/sandbox/solver/bin/../../benchmark/
% 1.83/2.02  
% 1.83/2.02  
% 1.83/2.02  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 1.83/2.02  % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% 1.83/2.02  
% 1.83/2.02  RuleSystem INPUT:
% 1.83/2.02  
% 1.83/2.02  Initial Rules:
% 1.83/2.02  #0: input, references = 3, size of lhs = 2:
% 1.83/2.02     #-{F} V0, #-{F} V1 | equidistant-{T}(V0,V1,V1,V0)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #1: input, references = 3, size of lhs = 2:
% 1.83/2.02     equidistant-{F}(V5,V4,V0,V1), equidistant-{F}(V5,V4,V2,V3) | equidistant-{T}(V0,V1,V2,V3)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #2: input, references = 4, size of lhs = 2:
% 1.83/2.02     equidistant-{F}(V0,V1,V2,V2), V0 == V1 | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #3: input, references = 5, size of lhs = 1:
% 1.83/2.02     P_extension-{F}(V0,V1,V3,V2,V4) | between-{T}(V0,V1,V4)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #4: input, references = 4, size of lhs = 1:
% 1.83/2.02     P_extension-{F}(V0,V1,V3,V2,V4) | equidistant-{T}(V1,V4,V3,V2)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #5: input, references = 3, size of lhs = 7:
% 1.83/2.02     equidistant-{F}(V0,V1,V3,V2), equidistant-{F}(V0,V5,V3,V4), equidistant-{F}(V1,V5,V2,V4), between-{F}(V3,V2,V6), equidistant-{F}(V1,V7,V2,V6), between-{F}(V0,V1,V7), V0 == V1 | equidistant-{T}(V7,V5,V6,V4)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #6: input, references = 5, size of lhs = 2:
% 1.83/2.02     between-{F}(V0,V1,V0), V0 == V1 | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #7: input, references = 4, size of lhs = 3:
% 1.83/2.02     between-{F}(V2,V0,V1), P_inner_pasch-{F}(V2,V0,V1,V4,V3,V5), between-{F}(V3,V4,V1) | between-{T}(V0,V5,V3)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #8: input, references = 4, size of lhs = 3:
% 1.83/2.02     between-{F}(V2,V0,V1), P_inner_pasch-{F}(V2,V0,V1,V4,V3,V5), between-{F}(V3,V4,V1) | between-{T}(V4,V5,V2)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #9: input, references = 3, size of lhs = 4:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_2-{F}(V1), P_lower_dimension_point_3-{F}(V2), between-{F}(V0,V1,V2) | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #10: input, references = 3, size of lhs = 4:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_2-{F}(V1), P_lower_dimension_point_3-{F}(V2), between-{F}(V1,V2,V0) | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #11: input, references = 4, size of lhs = 4:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_2-{F}(V1), P_lower_dimension_point_3-{F}(V2), between-{F}(V2,V0,V1) | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #12: input, references = 3, size of lhs = 7:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_2-{F}(V1), P_lower_dimension_point_3-{F}(V2), equidistant-{F}(V5,V4,V5,V3), equidistant-{F}(V6,V4,V6,V3), equidistant-{F}(V7,V4,V7,V3), V4 == V3 | between-{T}(V7,V6,V5), between-{T}(V6,V5,V7), between-{T}(V5,V7,V6)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #13: input, references = 3, size of lhs = 7:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_2-{F}(V1), P_lower_dimension_point_3-{F}(V2), between-{F}(V4,V3,V5), P_euclid1-{F}(V4,V6,V3,V7,V5,V8), between-{F}(V6,V3,V7), V4 == V3 | between-{T}(V4,V6,V8)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #14: input, references = 3, size of lhs = 7:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_2-{F}(V1), P_lower_dimension_point_3-{F}(V2), between-{F}(V4,V3,V5), P_euclid2-{F}(V4,V6,V3,V7,V5,V8), between-{F}(V6,V3,V7), V4 == V3 | between-{T}(V4,V7,V8)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #15: input, references = 3, size of lhs = 8:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_2-{F}(V1), P_lower_dimension_point_3-{F}(V2), between-{F}(V4,V3,V5), P_euclid1-{F}(V4,V6,V3,V7,V5,V8), P_euclid2-{F}(V4,V6,V3,V7,V5,V9), between-{F}(V6,V3,V7), V4 == V3 | between-{T}(V8,V5,V9)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #16: input, references = 4, size of lhs = 8:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_2-{F}(V1), P_lower_dimension_point_3-{F}(V2), equidistant-{F}(V5,V3,V5,V4), between-{F}(V5,V3,V6), equidistant-{F}(V5,V6,V5,V7), P_continuous-{F}(V5,V3,V4,V8,V6,V7,V9), between-{F}(V3,V8,V6) | between-{T}(V4,V9,V7)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #17: input, references = 3, size of lhs = 8:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_2-{F}(V1), P_lower_dimension_point_3-{F}(V2), equidistant-{F}(V5,V3,V5,V4), between-{F}(V5,V3,V6), equidistant-{F}(V5,V6,V5,V7), P_continuous-{F}(V5,V3,V4,V8,V6,V7,V9), between-{F}(V3,V8,V6) | equidistant-{T}(V5,V8,V5,V9)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #18: input, references = 4, size of lhs = 4:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_2-{F}(V1), P_lower_dimension_point_3-{F}(V2), between-{F}(V3,V4,V5) | colinear-{T}(V3,V4,V5)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #19: input, references = 3, size of lhs = 4:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_2-{F}(V1), P_lower_dimension_point_3-{F}(V2), between-{F}(V4,V5,V3) | colinear-{T}(V3,V4,V5)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #20: input, references = 4, size of lhs = 4:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_2-{F}(V1), P_lower_dimension_point_3-{F}(V2), between-{F}(V5,V3,V4) | colinear-{T}(V3,V4,V5)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #21: input, references = 3, size of lhs = 4:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_2-{F}(V1), P_lower_dimension_point_3-{F}(V2), colinear-{F}(V3,V4,V5) | between-{T}(V3,V4,V5), between-{T}(V4,V5,V3), between-{T}(V5,V3,V4)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #22: input, references = 5, size of lhs = 6:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_2-{F}(V1), P_lower_dimension_point_3-{F}(V2), P_v-{F}(V3), P_u-{F}(V4), P_w-{F}(V5) | between-{T}(V3,V4,V5)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #23: input, references = 5, size of lhs = 7:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_2-{F}(V1), P_lower_dimension_point_3-{F}(V2), P_v-{F}(V3), P_u-{F}(V4), P_w-{F}(V5), colinear-{F}(V4,V3,V5) | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #24: input, references = 4, size of lhs = 4:
% 1.83/2.02     #-{F} V0, #-{F} V1, #-{F} V2, #-{F} V3 | EXISTS V4: P_extension-{T}(V0,V1,V2,V3,V4)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #25: input, references = 4, size of lhs = 5:
% 1.83/2.02     #-{F} V0, #-{F} V1, #-{F} V2, #-{F} V3, #-{F} V4 | EXISTS V5: P_inner_pasch-{T}(V0,V1,V2,V3,V4,V5)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #26: input, references = 4, size of lhs = 0:
% 1.83/2.02     FALSE | EXISTS V0: P_lower_dimension_point_1-{T}(V0)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #27: input, references = 4, size of lhs = 0:
% 1.83/2.02     FALSE | EXISTS V0: P_lower_dimension_point_2-{T}(V0)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #28: input, references = 5, size of lhs = 0:
% 1.83/2.02     FALSE | EXISTS V0: P_lower_dimension_point_3-{T}(V0)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #29: input, references = 3, size of lhs = 5:
% 1.83/2.02     #-{F} V0, #-{F} V1, #-{F} V2, #-{F} V3, #-{F} V4 | EXISTS V5: P_euclid1-{T}(V0,V1,V2,V3,V4,V5)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #30: input, references = 3, size of lhs = 5:
% 1.83/2.02     #-{F} V0, #-{F} V1, #-{F} V2, #-{F} V3, #-{F} V4 | EXISTS V5: P_euclid2-{T}(V0,V1,V2,V3,V4,V5)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #31: input, references = 4, size of lhs = 6:
% 1.83/2.02     #-{F} V0, #-{F} V1, #-{F} V2, #-{F} V3, #-{F} V4, #-{F} V5 | EXISTS V6: P_continuous-{T}(V0,V1,V2,V3,V4,V5,V6)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #32: input, references = 4, size of lhs = 0:
% 1.83/2.02     FALSE | EXISTS V0: P_v-{T}(V0)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #33: input, references = 4, size of lhs = 0:
% 1.83/2.02     FALSE | EXISTS V0: P_u-{T}(V0)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #34: input, references = 5, size of lhs = 0:
% 1.83/2.02     FALSE | EXISTS V0: P_w-{T}(V0)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  number of initial rules = 35
% 1.83/2.02  
% 1.83/2.02  Simplifiers:
% 1.83/2.02  #35: unsound, references = 3, size of lhs = 3:
% 1.83/2.02     P_extension-{F}(V0,V1,V2,V3,V4), P_extension-{F}(V0,V1,V2,V3,V9), V4 == V9 | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #36: unsound, references = 3, size of lhs = 3:
% 1.83/2.02     P_inner_pasch-{F}(V0,V1,V2,V3,V4,V5), P_inner_pasch-{F}(V0,V1,V2,V3,V4,V11), V5 == V11 | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #37: unsound, references = 3, size of lhs = 3:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_1-{F}(V1), V0 == V1 | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #38: unsound, references = 3, size of lhs = 3:
% 1.83/2.02     P_lower_dimension_point_2-{F}(V0), P_lower_dimension_point_2-{F}(V1), V0 == V1 | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #39: unsound, references = 3, size of lhs = 3:
% 1.83/2.02     P_lower_dimension_point_3-{F}(V0), P_lower_dimension_point_3-{F}(V1), V0 == V1 | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #40: unsound, references = 3, size of lhs = 3:
% 1.83/2.02     P_euclid1-{F}(V0,V1,V2,V3,V4,V5), P_euclid1-{F}(V0,V1,V2,V3,V4,V11), V5 == V11 | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #41: unsound, references = 3, size of lhs = 3:
% 1.83/2.02     P_euclid2-{F}(V0,V1,V2,V3,V4,V5), P_euclid2-{F}(V0,V1,V2,V3,V4,V11), V5 == V11 | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #42: unsound, references = 3, size of lhs = 3:
% 1.83/2.02     P_continuous-{F}(V0,V1,V2,V3,V4,V5,V6), P_continuous-{F}(V0,V1,V2,V3,V4,V5,V13), V6 == V13 | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #43: unsound, references = 3, size of lhs = 3:
% 1.83/2.02     P_v-{F}(V0), P_v-{F}(V1), V0 == V1 | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #44: unsound, references = 3, size of lhs = 3:
% 1.83/2.02     P_u-{F}(V0), P_u-{F}(V1), V0 == V1 | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #45: unsound, references = 3, size of lhs = 3:
% 1.83/2.02     P_w-{F}(V0), P_w-{F}(V1), V0 == V1 | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  number of simplifiers = 11
% 1.83/2.02  
% 1.83/2.02  Learnt:
% 1.83/2.02  #56: mergings( V1 == V6, V6 == V9, V2 == V7, V7 == V10, V3 == V8, V8 == V11, V4 == V5; #48 ), references = 1, size of lhs = 5:
% 1.83/2.02     P_u-{F}(V0), P_v-{F}(V0), P_lower_dimension_point_1-{F}(V1), P_lower_dimension_point_2-{F}(V2), P_lower_dimension_point_3-{F}(V3) | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #61: exists( #24, #59 ), references = 3, size of lhs = 3:
% 1.83/2.02     #-{F} V0, #-{F} V1, #-{F} V2 | P_extension-{T}(V0,V1,V2,V2,V1)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #65: exists( #28, #63 ), references = 1, size of lhs = 2:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_2-{F}(V0) | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #68: exists( #31, #66 ), references = 1, size of lhs = 7:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_2-{F}(V1), P_lower_dimension_point_3-{F}(V2), equidistant-{F}(V3,V4,V3,V5), between-{F}(V3,V4,V6), equidistant-{F}(V3,V6,V3,V5), between-{F}(V4,V7,V6) | P_continuous-{T}(V3,V4,V5,V7,V6,V5,V5)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #71: exists( #25, #69 ), references = 2, size of lhs = 2:
% 1.83/2.02     between-{F}(V0,V1,V2), between-{F}(V1,V3,V2) | P_inner_pasch-{T}(V0,V1,V2,V3,V1,V1)
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #89: mergings( V1 == V4, V4 == V7, V2 == V5, V5 == V8, V3 == V6, V6 == V9; #82 ), references = 1, size of lhs = 5:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_2-{F}(V1), P_lower_dimension_point_3-{F}(V2), P_v-{F}(V3), P_u-{F}(V4) | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #97: mergings( V1 == V4, V4 == V7, V2 == V5, V5 == V8, V3 == V6, V6 == V9; #90 ), references = 1, size of lhs = 4:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_2-{F}(V1), P_lower_dimension_point_3-{F}(V2), P_v-{F}(V3) | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #105: mergings( V1 == V4, V4 == V7, V2 == V5, V5 == V8, V3 == V6, V6 == V9; #98 ), references = 1, size of lhs = 3:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_2-{F}(V1), P_lower_dimension_point_3-{F}(V2) | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #111: mergings( V1 == V3, V3 == V5, V2 == V4, V4 == V6; #106 ), references = 1, size of lhs = 2:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0), P_lower_dimension_point_2-{F}(V1) | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #115: mergings( V1 == V2, V2 == V3; #112 ), references = 1, size of lhs = 1:
% 1.83/2.02     P_lower_dimension_point_1-{F}(V0) | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  #117: exists( #26, #112 ), references = 1, size of lhs = 0:
% 1.83/2.02     FALSE | FALSE
% 1.83/2.02        (used 0 times, uses = {})
% 1.83/2.02  
% 1.83/2.02  number of learnt formulas = 11
% 1.83/2.02  
% 1.83/2.02  
% 1.83/2.02  % SZS output end Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% 1.83/2.02  
% 1.83/2.02  randbase = 1
%------------------------------------------------------------------------------