TSTP Solution File: SET910+1 by ePrincess---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ePrincess---1.0
% Problem  : SET910+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : ePrincess-casc -timeout=%d %s

% Computer : n024.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 00:23:05 EDT 2022

% Result   : Theorem 1.80s 1.08s
% Output   : Proof 2.38s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET910+1 : TPTP v8.1.0. Released v3.2.0.
% 0.07/0.12  % Command  : ePrincess-casc -timeout=%d %s
% 0.12/0.33  % Computer : n024.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 : Mon Jul 11 02:05:28 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.49/0.57          ____       _                          
% 0.49/0.57    ___  / __ \_____(_)___  ________  __________
% 0.49/0.57   / _ \/ /_/ / ___/ / __ \/ ___/ _ \/ ___/ ___/
% 0.49/0.57  /  __/ ____/ /  / / / / / /__/  __(__  |__  ) 
% 0.49/0.57  \___/_/   /_/  /_/_/ /_/\___/\___/____/____/  
% 0.49/0.57  
% 0.49/0.57  A Theorem Prover for First-Order Logic
% 0.49/0.57  (ePrincess v.1.0)
% 0.49/0.57  
% 0.49/0.57  (c) Philipp Rümmer, 2009-2015
% 0.49/0.57  (c) Peter Backeman, 2014-2015
% 0.49/0.57  (contributions by Angelo Brillout, Peter Baumgartner)
% 0.49/0.57  Free software under GNU Lesser General Public License (LGPL).
% 0.49/0.57  Bug reports to peter@backeman.se
% 0.49/0.57  
% 0.49/0.57  For more information, visit http://user.uu.se/~petba168/breu/
% 0.49/0.57  
% 0.49/0.58  Loading /export/starexec/sandbox2/benchmark/theBenchmark.p ...
% 0.49/0.62  Prover 0: Options:  -triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 1.22/0.87  Prover 0: Preprocessing ...
% 1.52/1.00  Prover 0: Constructing countermodel ...
% 1.80/1.08  Prover 0: proved (457ms)
% 1.80/1.08  
% 1.80/1.08  No countermodel exists, formula is valid
% 1.80/1.08  % SZS status Theorem for theBenchmark
% 1.80/1.08  
% 1.80/1.08  Generating proof ... found it (size 4)
% 2.14/1.23  
% 2.14/1.23  % SZS output start Proof for theBenchmark
% 2.14/1.23  Assumed formulas after preprocessing and simplification: 
% 2.30/1.23  | (0)  ? [v0] :  ? [v1] :  ? [v2] :  ? [v3] :  ? [v4] : (singleton(v1) = v2 & set_intersection2(v0, v2) = v2 & empty(v4) &  ~ empty(v3) &  ~ in(v1, v0) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : (v6 = v5 |  ~ (set_intersection2(v8, v7) = v6) |  ~ (set_intersection2(v8, v7) = v5)) &  ! [v5] :  ! [v6] :  ! [v7] : (v6 = v5 |  ~ (singleton(v7) = v6) |  ~ (singleton(v7) = v5)) &  ! [v5] :  ! [v6] :  ! [v7] : ( ~ (singleton(v6) = v7) |  ~ (set_intersection2(v5, v7) = v7) | in(v6, v5)) &  ! [v5] :  ! [v6] :  ! [v7] : ( ~ (set_intersection2(v6, v5) = v7) | set_intersection2(v5, v6) = v7) &  ! [v5] :  ! [v6] :  ! [v7] : ( ~ (set_intersection2(v5, v6) = v7) | set_intersection2(v6, v5) = v7) &  ! [v5] :  ! [v6] : (v6 = v5 |  ~ (set_intersection2(v5, v5) = v6)) &  ! [v5] :  ! [v6] : ( ~ in(v6, v5) |  ~ in(v5, v6)))
% 2.30/1.27  | Instantiating (0) with all_0_0_0, all_0_1_1, all_0_2_2, all_0_3_3, all_0_4_4 yields:
% 2.30/1.27  | (1) singleton(all_0_3_3) = all_0_2_2 & set_intersection2(all_0_4_4, all_0_2_2) = all_0_2_2 & empty(all_0_0_0) &  ~ empty(all_0_1_1) &  ~ in(all_0_3_3, all_0_4_4) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_intersection2(v3, v2) = v1) |  ~ (set_intersection2(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (singleton(v1) = v2) |  ~ (set_intersection2(v0, v2) = v2) | in(v1, v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_intersection2(v1, v0) = v2) | set_intersection2(v0, v1) = v2) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_intersection2(v0, v1) = v2) | set_intersection2(v1, v0) = v2) &  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (set_intersection2(v0, v0) = v1)) &  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1))
% 2.30/1.27  |
% 2.30/1.27  | Applying alpha-rule on (1) yields:
% 2.30/1.27  | (2)  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (set_intersection2(v0, v0) = v1))
% 2.30/1.27  | (3)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_intersection2(v0, v1) = v2) | set_intersection2(v1, v0) = v2)
% 2.38/1.27  | (4)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_intersection2(v1, v0) = v2) | set_intersection2(v0, v1) = v2)
% 2.38/1.27  | (5)  ~ in(all_0_3_3, all_0_4_4)
% 2.38/1.27  | (6) empty(all_0_0_0)
% 2.38/1.27  | (7) set_intersection2(all_0_4_4, all_0_2_2) = all_0_2_2
% 2.38/1.27  | (8)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (singleton(v1) = v2) |  ~ (set_intersection2(v0, v2) = v2) | in(v1, v0))
% 2.38/1.27  | (9)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_intersection2(v3, v2) = v1) |  ~ (set_intersection2(v3, v2) = v0))
% 2.38/1.28  | (10)  ~ empty(all_0_1_1)
% 2.38/1.28  | (11)  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1))
% 2.38/1.28  | (12)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0))
% 2.38/1.28  | (13) singleton(all_0_3_3) = all_0_2_2
% 2.38/1.28  |
% 2.38/1.28  | Instantiating formula (8) with all_0_2_2, all_0_3_3, all_0_4_4 and discharging atoms singleton(all_0_3_3) = all_0_2_2, set_intersection2(all_0_4_4, all_0_2_2) = all_0_2_2,  ~ in(all_0_3_3, all_0_4_4), yields:
% 2.38/1.28  | (14) $false
% 2.38/1.28  |
% 2.38/1.28  |-The branch is then unsatisfiable
% 2.38/1.28  % SZS output end Proof for theBenchmark
% 2.38/1.28  
% 2.38/1.28  694ms
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