TSTP Solution File: SET908+1 by ePrincess---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ePrincess---1.0
% Problem  : SET908+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : ePrincess-casc -timeout=%d %s

% Computer : n005.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  : 600s
% DateTime : Tue Jul 19 00:23:04 EDT 2022

% Result   : Theorem 2.10s 1.20s
% Output   : Proof 3.07s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET908+1 : TPTP v8.1.0. Released v3.2.0.
% 0.07/0.12  % Command  : ePrincess-casc -timeout=%d %s
% 0.12/0.33  % Computer : n005.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  : 600
% 0.12/0.33  % DateTime : Sun Jul 10 19:17:37 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.50/0.58          ____       _                          
% 0.50/0.58    ___  / __ \_____(_)___  ________  __________
% 0.50/0.58   / _ \/ /_/ / ___/ / __ \/ ___/ _ \/ ___/ ___/
% 0.50/0.58  /  __/ ____/ /  / / / / / /__/  __(__  |__  ) 
% 0.50/0.58  \___/_/   /_/  /_/_/ /_/\___/\___/____/____/  
% 0.50/0.58  
% 0.50/0.58  A Theorem Prover for First-Order Logic
% 0.50/0.58  (ePrincess v.1.0)
% 0.50/0.58  
% 0.50/0.58  (c) Philipp Rümmer, 2009-2015
% 0.50/0.58  (c) Peter Backeman, 2014-2015
% 0.50/0.58  (contributions by Angelo Brillout, Peter Baumgartner)
% 0.50/0.58  Free software under GNU Lesser General Public License (LGPL).
% 0.50/0.58  Bug reports to peter@backeman.se
% 0.50/0.58  
% 0.50/0.58  For more information, visit http://user.uu.se/~petba168/breu/
% 0.50/0.58  
% 0.50/0.58  Loading /export/starexec/sandbox2/benchmark/theBenchmark.p ...
% 0.50/0.63  Prover 0: Options:  -triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 1.25/0.89  Prover 0: Preprocessing ...
% 1.75/1.07  Prover 0: Warning: ignoring some quantifiers
% 1.82/1.08  Prover 0: Constructing countermodel ...
% 2.10/1.20  Prover 0: proved (571ms)
% 2.10/1.20  
% 2.10/1.20  No countermodel exists, formula is valid
% 2.10/1.20  % SZS status Theorem for theBenchmark
% 2.10/1.20  
% 2.10/1.20  Generating proof ... Warning: ignoring some quantifiers
% 2.79/1.40  found it (size 7)
% 2.79/1.40  
% 2.79/1.40  % SZS output start Proof for theBenchmark
% 2.79/1.40  Assumed formulas after preprocessing and simplification: 
% 2.79/1.40  | (0)  ? [v0] :  ? [v1] :  ? [v2] :  ? [v3] :  ? [v4] : (singleton(v0) = v2 & set_union2(v2, v1) = empty_set & empty(v4) & empty(empty_set) &  ~ empty(v3) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : (v6 = v5 |  ~ (set_union2(v8, v7) = v6) |  ~ (set_union2(v8, v7) = v5)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : ( ~ (set_union2(v5, v6) = v7) |  ~ in(v8, v7) | in(v8, v6) | in(v8, v5)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : ( ~ (set_union2(v5, v6) = v7) |  ~ in(v8, v6) | in(v8, v7)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : ( ~ (set_union2(v5, v6) = v7) |  ~ in(v8, v5) | in(v8, v7)) &  ? [v5] :  ! [v6] :  ! [v7] :  ! [v8] : (v8 = v5 |  ~ (set_union2(v6, v7) = v8) |  ? [v9] : (( ~ in(v9, v5) | ( ~ in(v9, v7) &  ~ in(v9, v6))) & (in(v9, v7) | in(v9, v6) | in(v9, v5)))) &  ! [v5] :  ! [v6] :  ! [v7] : (v7 = v5 |  ~ (singleton(v5) = v6) |  ~ in(v7, v6)) &  ! [v5] :  ! [v6] :  ! [v7] : (v6 = v5 |  ~ (singleton(v7) = v6) |  ~ (singleton(v7) = v5)) &  ! [v5] :  ! [v6] :  ! [v7] : ( ~ (set_union2(v6, v5) = v7) |  ~ empty(v7) | empty(v5)) &  ! [v5] :  ! [v6] :  ! [v7] : ( ~ (set_union2(v6, v5) = v7) | set_union2(v5, v6) = v7) &  ! [v5] :  ! [v6] :  ! [v7] : ( ~ (set_union2(v5, v6) = v7) |  ~ empty(v7) | empty(v5)) &  ! [v5] :  ! [v6] :  ! [v7] : ( ~ (set_union2(v5, v6) = v7) | set_union2(v6, v5) = v7) &  ? [v5] :  ! [v6] :  ! [v7] : (v7 = v5 |  ~ (singleton(v6) = v7) |  ? [v8] : (( ~ (v8 = v6) |  ~ in(v6, v5)) & (v8 = v6 | in(v8, v5)))) &  ! [v5] :  ! [v6] : (v6 = v5 |  ~ (set_union2(v5, v5) = v6)) &  ! [v5] :  ! [v6] : ( ~ (singleton(v5) = v6) | in(v5, v6)) &  ! [v5] :  ! [v6] : ( ~ in(v6, v5) |  ~ in(v5, v6)) &  ! [v5] :  ~ in(v5, empty_set) &  ? [v5] : (v5 = empty_set |  ? [v6] : in(v6, v5)))
% 2.97/1.44  | Instantiating (0) with all_0_0_0, all_0_1_1, all_0_2_2, all_0_3_3, all_0_4_4 yields:
% 2.97/1.44  | (1) singleton(all_0_4_4) = all_0_2_2 & set_union2(all_0_2_2, all_0_3_3) = empty_set & empty(all_0_0_0) & empty(empty_set) &  ~ empty(all_0_1_1) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_union2(v3, v2) = v1) |  ~ (set_union2(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_union2(v0, v1) = v2) |  ~ in(v3, v2) | in(v3, v1) | in(v3, v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_union2(v0, v1) = v2) |  ~ in(v3, v1) | in(v3, v2)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_union2(v0, v1) = v2) |  ~ in(v3, v0) | in(v3, v2)) &  ? [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v0 |  ~ (set_union2(v1, v2) = v3) |  ? [v4] : (( ~ in(v4, v0) | ( ~ in(v4, v2) &  ~ in(v4, v1))) & (in(v4, v2) | in(v4, v1) | in(v4, v0)))) &  ! [v0] :  ! [v1] :  ! [v2] : (v2 = v0 |  ~ (singleton(v0) = v1) |  ~ in(v2, v1)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v1, v0) = v2) |  ~ empty(v2) | empty(v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v1, v0) = v2) | set_union2(v0, v1) = v2) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v0, v1) = v2) |  ~ empty(v2) | empty(v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v0, v1) = v2) | set_union2(v1, v0) = v2) &  ? [v0] :  ! [v1] :  ! [v2] : (v2 = v0 |  ~ (singleton(v1) = v2) |  ? [v3] : (( ~ (v3 = v1) |  ~ in(v1, v0)) & (v3 = v1 | in(v3, v0)))) &  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (set_union2(v0, v0) = v1)) &  ! [v0] :  ! [v1] : ( ~ (singleton(v0) = v1) | in(v0, v1)) &  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1)) &  ! [v0] :  ~ in(v0, empty_set) &  ? [v0] : (v0 = empty_set |  ? [v1] : in(v1, v0))
% 2.97/1.45  |
% 2.97/1.45  | Applying alpha-rule on (1) yields:
% 2.97/1.45  | (2)  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1))
% 2.97/1.45  | (3)  ! [v0] :  ~ in(v0, empty_set)
% 2.97/1.45  | (4)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v0, v1) = v2) |  ~ empty(v2) | empty(v0))
% 2.97/1.45  | (5)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_union2(v0, v1) = v2) |  ~ in(v3, v1) | in(v3, v2))
% 2.97/1.45  | (6)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_union2(v3, v2) = v1) |  ~ (set_union2(v3, v2) = v0))
% 2.97/1.45  | (7)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v0, v1) = v2) | set_union2(v1, v0) = v2)
% 2.97/1.45  | (8)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v1, v0) = v2) | set_union2(v0, v1) = v2)
% 2.97/1.45  | (9)  ? [v0] : (v0 = empty_set |  ? [v1] : in(v1, v0))
% 2.97/1.45  | (10)  ! [v0] :  ! [v1] :  ! [v2] : (v2 = v0 |  ~ (singleton(v0) = v1) |  ~ in(v2, v1))
% 2.97/1.45  | (11)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_union2(v0, v1) = v2) |  ~ in(v3, v2) | in(v3, v1) | in(v3, v0))
% 2.97/1.46  | (12) set_union2(all_0_2_2, all_0_3_3) = empty_set
% 2.97/1.46  | (13) singleton(all_0_4_4) = all_0_2_2
% 2.97/1.46  | (14)  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (set_union2(v0, v0) = v1))
% 2.97/1.46  | (15) empty(all_0_0_0)
% 2.97/1.46  | (16)  ! [v0] :  ! [v1] : ( ~ (singleton(v0) = v1) | in(v0, v1))
% 2.97/1.46  | (17)  ~ empty(all_0_1_1)
% 2.97/1.46  | (18)  ? [v0] :  ! [v1] :  ! [v2] : (v2 = v0 |  ~ (singleton(v1) = v2) |  ? [v3] : (( ~ (v3 = v1) |  ~ in(v1, v0)) & (v3 = v1 | in(v3, v0))))
% 2.97/1.46  | (19) empty(empty_set)
% 2.97/1.46  | (20)  ? [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v0 |  ~ (set_union2(v1, v2) = v3) |  ? [v4] : (( ~ in(v4, v0) | ( ~ in(v4, v2) &  ~ in(v4, v1))) & (in(v4, v2) | in(v4, v1) | in(v4, v0))))
% 2.97/1.46  | (21)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_union2(v0, v1) = v2) |  ~ in(v3, v0) | in(v3, v2))
% 2.97/1.46  | (22)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v1, v0) = v2) |  ~ empty(v2) | empty(v0))
% 2.97/1.46  | (23)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0))
% 2.97/1.46  |
% 2.97/1.46  | Instantiating formula (16) with all_0_2_2, all_0_4_4 and discharging atoms singleton(all_0_4_4) = all_0_2_2, yields:
% 2.97/1.46  | (24) in(all_0_4_4, all_0_2_2)
% 2.97/1.46  |
% 2.97/1.46  | Instantiating formula (8) with empty_set, all_0_2_2, all_0_3_3 and discharging atoms set_union2(all_0_2_2, all_0_3_3) = empty_set, yields:
% 2.97/1.46  | (25) set_union2(all_0_3_3, all_0_2_2) = empty_set
% 2.97/1.46  |
% 2.97/1.46  | Instantiating formula (5) with all_0_4_4, empty_set, all_0_2_2, all_0_3_3 and discharging atoms set_union2(all_0_3_3, all_0_2_2) = empty_set, in(all_0_4_4, all_0_2_2), yields:
% 3.07/1.46  | (26) in(all_0_4_4, empty_set)
% 3.07/1.46  |
% 3.07/1.46  | Instantiating formula (3) with all_0_4_4 and discharging atoms in(all_0_4_4, empty_set), yields:
% 3.07/1.46  | (27) $false
% 3.07/1.46  |
% 3.07/1.46  |-The branch is then unsatisfiable
% 3.07/1.46  % SZS output end Proof for theBenchmark
% 3.07/1.46  
% 3.07/1.46  875ms
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