TSTP Solution File: PUZ047+1 by ePrincess---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ePrincess---1.0
% Problem  : PUZ047+1 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : ePrincess-casc -timeout=%d %s

% Computer : n027.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 : Mon Jul 18 18:08:53 EDT 2022

% Result   : Theorem 3.55s 1.55s
% Output   : Proof 6.03s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : PUZ047+1 : TPTP v8.1.0. Released v2.5.0.
% 0.07/0.13  % Command  : ePrincess-casc -timeout=%d %s
% 0.13/0.33  % Computer : n027.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Sun May 29 01:25:44 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.49/0.62          ____       _                          
% 0.49/0.62    ___  / __ \_____(_)___  ________  __________
% 0.49/0.62   / _ \/ /_/ / ___/ / __ \/ ___/ _ \/ ___/ ___/
% 0.49/0.62  /  __/ ____/ /  / / / / / /__/  __(__  |__  ) 
% 0.49/0.62  \___/_/   /_/  /_/_/ /_/\___/\___/____/____/  
% 0.49/0.62  
% 0.49/0.62  A Theorem Prover for First-Order Logic
% 0.49/0.62  (ePrincess v.1.0)
% 0.49/0.62  
% 0.49/0.62  (c) Philipp Rümmer, 2009-2015
% 0.49/0.62  (c) Peter Backeman, 2014-2015
% 0.49/0.62  (contributions by Angelo Brillout, Peter Baumgartner)
% 0.49/0.62  Free software under GNU Lesser General Public License (LGPL).
% 0.49/0.62  Bug reports to peter@backeman.se
% 0.49/0.62  
% 0.49/0.62  For more information, visit http://user.uu.se/~petba168/breu/
% 0.49/0.62  
% 0.49/0.62  Loading /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 0.66/0.67  Prover 0: Options:  -triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 1.49/0.96  Prover 0: Preprocessing ...
% 1.90/1.12  Prover 0: Constructing countermodel ...
% 3.55/1.55  Prover 0: proved (872ms)
% 3.55/1.55  
% 3.55/1.55  No countermodel exists, formula is valid
% 3.55/1.55  % SZS status Theorem for theBenchmark
% 3.55/1.55  
% 3.55/1.55  Generating proof ... found it (size 24)
% 5.81/2.08  
% 5.81/2.08  % SZS output start Proof for theBenchmark
% 5.81/2.08  Assumed formulas after preprocessing and simplification: 
% 5.81/2.08  | (0) p(south, south, south, south, start) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (take_cabbage(v2) = v1) |  ~ (take_cabbage(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (take_goat(v2) = v1) |  ~ (take_goat(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (take_wolf(v2) = v1) |  ~ (take_wolf(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (go_alone(v2) = v1) |  ~ (go_alone(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ p(north, v0, north, v1, v2) |  ? [v3] : (take_goat(v2) = v3 & p(south, v0, south, v1, v3))) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ p(south, v0, south, v1, v2) |  ? [v3] : (take_goat(v2) = v3 & p(north, v0, north, v1, v3))) &  ! [v0] :  ~ p(north, north, north, north, v0) &  ! [v0] : ( ~ p(north, north, north, south, v0) |  ? [v1] : (take_wolf(v0) = v1 & p(south, south, north, south, v1))) &  ! [v0] : ( ~ p(north, north, south, north, v0) |  ? [v1] : (take_cabbage(v0) = v1 & p(south, north, south, south, v1))) &  ! [v0] : ( ~ p(north, north, south, north, v0) |  ? [v1] : (take_wolf(v0) = v1 & p(south, south, south, north, v1))) &  ! [v0] : ( ~ p(north, north, south, north, v0) |  ? [v1] : (go_alone(v0) = v1 & p(south, north, south, north, v1))) &  ! [v0] : ( ~ p(north, south, north, north, v0) |  ? [v1] : (take_cabbage(v0) = v1 & p(south, south, north, south, v1))) &  ! [v0] : ( ~ p(north, south, north, south, v0) |  ? [v1] : (go_alone(v0) = v1 & p(south, south, north, south, v1))) &  ! [v0] : ( ~ p(south, north, south, north, v0) |  ? [v1] : (go_alone(v0) = v1 & p(north, north, south, north, v1))) &  ! [v0] : ( ~ p(south, north, south, south, v0) |  ? [v1] : (take_cabbage(v0) = v1 & p(north, north, south, north, v1))) &  ! [v0] : ( ~ p(south, south, north, south, v0) |  ? [v1] : (take_cabbage(v0) = v1 & p(north, south, north, north, v1))) &  ! [v0] : ( ~ p(south, south, north, south, v0) |  ? [v1] : (take_wolf(v0) = v1 & p(north, north, north, south, v1))) &  ! [v0] : ( ~ p(south, south, north, south, v0) |  ? [v1] : (go_alone(v0) = v1 & p(north, south, north, south, v1))) &  ! [v0] : ( ~ p(south, south, south, north, v0) |  ? [v1] : (take_wolf(v0) = v1 & p(north, north, south, north, v1)))
% 6.03/2.12  | Applying alpha-rule on (0) yields:
% 6.03/2.12  | (1)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (go_alone(v2) = v1) |  ~ (go_alone(v2) = v0))
% 6.03/2.12  | (2)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ p(south, v0, south, v1, v2) |  ? [v3] : (take_goat(v2) = v3 & p(north, v0, north, v1, v3)))
% 6.03/2.12  | (3)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ p(north, v0, north, v1, v2) |  ? [v3] : (take_goat(v2) = v3 & p(south, v0, south, v1, v3)))
% 6.03/2.12  | (4)  ! [v0] :  ~ p(north, north, north, north, v0)
% 6.03/2.12  | (5)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (take_goat(v2) = v1) |  ~ (take_goat(v2) = v0))
% 6.03/2.12  | (6)  ! [v0] : ( ~ p(south, north, south, south, v0) |  ? [v1] : (take_cabbage(v0) = v1 & p(north, north, south, north, v1)))
% 6.03/2.12  | (7)  ! [v0] : ( ~ p(north, north, south, north, v0) |  ? [v1] : (take_cabbage(v0) = v1 & p(south, north, south, south, v1)))
% 6.03/2.12  | (8) p(south, south, south, south, start)
% 6.03/2.12  | (9)  ! [v0] : ( ~ p(south, north, south, north, v0) |  ? [v1] : (go_alone(v0) = v1 & p(north, north, south, north, v1)))
% 6.03/2.12  | (10)  ! [v0] : ( ~ p(north, north, south, north, v0) |  ? [v1] : (go_alone(v0) = v1 & p(south, north, south, north, v1)))
% 6.03/2.12  | (11)  ! [v0] : ( ~ p(south, south, north, south, v0) |  ? [v1] : (take_cabbage(v0) = v1 & p(north, south, north, north, v1)))
% 6.03/2.13  | (12)  ! [v0] : ( ~ p(north, south, north, north, v0) |  ? [v1] : (take_cabbage(v0) = v1 & p(south, south, north, south, v1)))
% 6.03/2.13  | (13)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (take_cabbage(v2) = v1) |  ~ (take_cabbage(v2) = v0))
% 6.03/2.13  | (14)  ! [v0] : ( ~ p(south, south, south, north, v0) |  ? [v1] : (take_wolf(v0) = v1 & p(north, north, south, north, v1)))
% 6.03/2.13  | (15)  ! [v0] : ( ~ p(north, north, south, north, v0) |  ? [v1] : (take_wolf(v0) = v1 & p(south, south, south, north, v1)))
% 6.03/2.13  | (16)  ! [v0] : ( ~ p(south, south, north, south, v0) |  ? [v1] : (take_wolf(v0) = v1 & p(north, north, north, south, v1)))
% 6.03/2.13  | (17)  ! [v0] : ( ~ p(north, north, north, south, v0) |  ? [v1] : (take_wolf(v0) = v1 & p(south, south, north, south, v1)))
% 6.03/2.13  | (18)  ! [v0] : ( ~ p(south, south, north, south, v0) |  ? [v1] : (go_alone(v0) = v1 & p(north, south, north, south, v1)))
% 6.03/2.13  | (19)  ! [v0] : ( ~ p(north, south, north, south, v0) |  ? [v1] : (go_alone(v0) = v1 & p(south, south, north, south, v1)))
% 6.03/2.13  | (20)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (take_wolf(v2) = v1) |  ~ (take_wolf(v2) = v0))
% 6.03/2.13  |
% 6.03/2.13  | Instantiating formula (2) with start, south, south and discharging atoms p(south, south, south, south, start), yields:
% 6.03/2.13  | (21)  ? [v0] : (take_goat(start) = v0 & p(north, south, north, south, v0))
% 6.03/2.13  |
% 6.03/2.13  | Instantiating (21) with all_7_0_0 yields:
% 6.03/2.13  | (22) take_goat(start) = all_7_0_0 & p(north, south, north, south, all_7_0_0)
% 6.03/2.13  |
% 6.03/2.13  | Applying alpha-rule on (22) yields:
% 6.03/2.13  | (23) take_goat(start) = all_7_0_0
% 6.03/2.13  | (24) p(north, south, north, south, all_7_0_0)
% 6.03/2.13  |
% 6.03/2.13  | Instantiating formula (19) with all_7_0_0 and discharging atoms p(north, south, north, south, all_7_0_0), yields:
% 6.03/2.13  | (25)  ? [v0] : (go_alone(all_7_0_0) = v0 & p(south, south, north, south, v0))
% 6.03/2.13  |
% 6.03/2.13  | Instantiating (25) with all_16_0_2 yields:
% 6.03/2.13  | (26) go_alone(all_7_0_0) = all_16_0_2 & p(south, south, north, south, all_16_0_2)
% 6.03/2.13  |
% 6.03/2.13  | Applying alpha-rule on (26) yields:
% 6.03/2.13  | (27) go_alone(all_7_0_0) = all_16_0_2
% 6.03/2.13  | (28) p(south, south, north, south, all_16_0_2)
% 6.03/2.13  |
% 6.03/2.13  | Instantiating formula (11) with all_16_0_2 and discharging atoms p(south, south, north, south, all_16_0_2), yields:
% 6.03/2.13  | (29)  ? [v0] : (take_cabbage(all_16_0_2) = v0 & p(north, south, north, north, v0))
% 6.03/2.13  |
% 6.03/2.13  | Instantiating (29) with all_27_0_5 yields:
% 6.03/2.13  | (30) take_cabbage(all_16_0_2) = all_27_0_5 & p(north, south, north, north, all_27_0_5)
% 6.03/2.13  |
% 6.03/2.13  | Applying alpha-rule on (30) yields:
% 6.03/2.13  | (31) take_cabbage(all_16_0_2) = all_27_0_5
% 6.03/2.13  | (32) p(north, south, north, north, all_27_0_5)
% 6.03/2.13  |
% 6.03/2.13  | Instantiating formula (3) with all_27_0_5, north, south and discharging atoms p(north, south, north, north, all_27_0_5), yields:
% 6.03/2.13  | (33)  ? [v0] : (take_goat(all_27_0_5) = v0 & p(south, south, south, north, v0))
% 6.03/2.13  |
% 6.03/2.13  | Instantiating (33) with all_44_0_11 yields:
% 6.03/2.13  | (34) take_goat(all_27_0_5) = all_44_0_11 & p(south, south, south, north, all_44_0_11)
% 6.03/2.13  |
% 6.03/2.13  | Applying alpha-rule on (34) yields:
% 6.03/2.13  | (35) take_goat(all_27_0_5) = all_44_0_11
% 6.03/2.13  | (36) p(south, south, south, north, all_44_0_11)
% 6.03/2.13  |
% 6.03/2.13  | Instantiating formula (14) with all_44_0_11 and discharging atoms p(south, south, south, north, all_44_0_11), yields:
% 6.03/2.13  | (37)  ? [v0] : (take_wolf(all_44_0_11) = v0 & p(north, north, south, north, v0))
% 6.03/2.13  |
% 6.03/2.13  | Instantiating (37) with all_73_0_23 yields:
% 6.03/2.13  | (38) take_wolf(all_44_0_11) = all_73_0_23 & p(north, north, south, north, all_73_0_23)
% 6.03/2.13  |
% 6.03/2.13  | Applying alpha-rule on (38) yields:
% 6.03/2.13  | (39) take_wolf(all_44_0_11) = all_73_0_23
% 6.03/2.13  | (40) p(north, north, south, north, all_73_0_23)
% 6.03/2.13  |
% 6.03/2.13  | Instantiating formula (10) with all_73_0_23 and discharging atoms p(north, north, south, north, all_73_0_23), yields:
% 6.03/2.13  | (41)  ? [v0] : (go_alone(all_73_0_23) = v0 & p(south, north, south, north, v0))
% 6.03/2.14  |
% 6.03/2.14  | Instantiating (41) with all_118_0_43 yields:
% 6.03/2.14  | (42) go_alone(all_73_0_23) = all_118_0_43 & p(south, north, south, north, all_118_0_43)
% 6.03/2.14  |
% 6.03/2.14  | Applying alpha-rule on (42) yields:
% 6.03/2.14  | (43) go_alone(all_73_0_23) = all_118_0_43
% 6.03/2.14  | (44) p(south, north, south, north, all_118_0_43)
% 6.03/2.14  |
% 6.03/2.14  | Instantiating formula (2) with all_118_0_43, north, north and discharging atoms p(south, north, south, north, all_118_0_43), yields:
% 6.03/2.14  | (45)  ? [v0] : (take_goat(all_118_0_43) = v0 & p(north, north, north, north, v0))
% 6.03/2.14  |
% 6.03/2.14  | Instantiating (45) with all_237_0_100 yields:
% 6.03/2.14  | (46) take_goat(all_118_0_43) = all_237_0_100 & p(north, north, north, north, all_237_0_100)
% 6.03/2.14  |
% 6.03/2.14  | Applying alpha-rule on (46) yields:
% 6.03/2.14  | (47) take_goat(all_118_0_43) = all_237_0_100
% 6.03/2.14  | (48) p(north, north, north, north, all_237_0_100)
% 6.03/2.14  |
% 6.03/2.14  | Instantiating formula (4) with all_237_0_100 and discharging atoms p(north, north, north, north, all_237_0_100), yields:
% 6.03/2.14  | (49) $false
% 6.03/2.14  |
% 6.03/2.14  |-The branch is then unsatisfiable
% 6.03/2.14  % SZS output end Proof for theBenchmark
% 6.03/2.14  
% 6.03/2.14  1504ms
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